From ac701696b34866e4ea4b032c38066bcf01e33a1f Mon Sep 17 00:00:00 2001
From: Joffrey JAFFEUX <j.jaffeux@gmail.com>
Date: Mon, 26 Feb 2018 11:42:57 +0100
Subject: [PATCH] FEATURE: replaces tag-chooser/tag-group-chooser with
 select-kit component

These component were also the last using select2. As a consequence select2 is removed from Discourse in this commit.
---
 .../discourse/components/tag-chooser.js.es6   |  142 -
 .../components/tag-group-chooser.js.es6       |   86 -
 .../controllers/preferences/categories.js.es6 |    4 +-
 .../controllers/preferences/tags.js.es6       |    7 +-
 .../discourse/templates/bulk-tag.hbs          |    2 +-
 .../components/edit-category-tags.hbs         |    8 +-
 .../templates/components/queued-post.hbs      |    2 +-
 .../components/search-advanced-options.hbs    |    7 +-
 .../discourse/templates/preferences/tags.hbs  |   32 +-
 .../discourse/templates/tag-groups-show.hbs   |   11 +-
 .../javascripts/discourse/templates/topic.hbs |    2 +-
 .../components/mini-tag-chooser.js.es6        |  138 +-
 .../select-kit/components/multi-select.js.es6 |   47 +-
 .../multi-select/selected-name.js.es6         |   28 +-
 .../select-kit/components/select-kit.js.es6   |   46 +-
 .../select-kit/select-kit-filter.js.es6       |   11 +-
 .../components/single-select.js.es6           |   22 +-
 .../select-kit/components/tag-chooser.js.es6  |  107 +
 .../components/tag-group-chooser.js.es6       |   79 +
 .../javascripts/select-kit/mixins/tags.js.es6 |   52 +
 .../templates/components/multi-select.hbs     |   50 +
 .../multi-select/multi-select-header.hbs      |    7 +-
 .../multi-select/selected-category.hbs        |    4 -
 .../components/multi-select/selected-name.hbs |   10 -
 .../select-kit/select-kit-collection.hbs      |    2 +-
 .../select-kit/select-kit-filter.hbs          |    2 +-
 .../{select-kit.hbs => single-select.hbs}     |    8 +-
 app/assets/javascripts/vendor.js              |    1 -
 app/assets/javascripts/wizard-vendor.js       |    1 -
 app/assets/stylesheets/common.scss            |    1 -
 .../stylesheets/common/admin/admin_base.scss  |   20 +-
 .../stylesheets/common/admin/customize.scss   |    2 +-
 .../stylesheets/common/base/compose.scss      |    4 -
 app/assets/stylesheets/common/base/modal.scss |    4 +
 .../stylesheets/common/base/search.scss       |   14 +-
 .../stylesheets/common/base/tagging.scss      |   49 +-
 app/assets/stylesheets/common/base/topic.scss |   10 +-
 app/assets/stylesheets/common/base/user.scss  |   19 +-
 .../common/select-kit/legacy-combo-box.scss   |   88 -
 .../common/select-kit/mini-tag-chooser.scss   |    3 +-
 .../common/select-kit/multi-select.scss       |   86 +-
 .../common/select-kit/select-kit.scss         |    1 +
 .../common/select-kit/tag-chooser.scss        |   14 +
 app/assets/stylesheets/desktop/modal.scss     |    8 -
 .../stylesheets/desktop/queued-posts.scss     |    9 +
 app/assets/stylesheets/desktop/topic.scss     |    5 +-
 app/assets/stylesheets/desktop/user.scss      |    8 +-
 app/assets/stylesheets/mobile/topic.scss      |    5 -
 app/assets/stylesheets/vendor/select2.scss    |  575 ---
 app/assets/stylesheets/wizard.scss            |    5 -
 .../finish_installation/register.html.erb     |    6 -
 .../acceptance/search-full-test.js.es6        |   24 -
 vendor/assets/javascripts/select2.js          | 3729 -----------------
 53 files changed, 637 insertions(+), 4970 deletions(-)
 delete mode 100644 app/assets/javascripts/discourse/components/tag-chooser.js.es6
 delete mode 100644 app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
 create mode 100644 app/assets/javascripts/select-kit/components/tag-chooser.js.es6
 create mode 100644 app/assets/javascripts/select-kit/components/tag-group-chooser.js.es6
 create mode 100644 app/assets/javascripts/select-kit/mixins/tags.js.es6
 create mode 100644 app/assets/javascripts/select-kit/templates/components/multi-select.hbs
 rename app/assets/javascripts/select-kit/templates/components/{select-kit.hbs => single-select.hbs} (86%)
 delete mode 100644 app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
 create mode 100644 app/assets/stylesheets/common/select-kit/tag-chooser.scss
 delete mode 100644 app/assets/stylesheets/vendor/select2.scss
 delete mode 100644 vendor/assets/javascripts/select2.js

diff --git a/app/assets/javascripts/discourse/components/tag-chooser.js.es6 b/app/assets/javascripts/discourse/components/tag-chooser.js.es6
deleted file mode 100644
index 9f962596e44..00000000000
--- a/app/assets/javascripts/discourse/components/tag-chooser.js.es6
+++ /dev/null
@@ -1,142 +0,0 @@
-import renderTag from 'discourse/lib/render-tag';
-
-function formatTag(t) {
-  return renderTag(t.id, {count: t.count, noHref: true});
-}
-
-export default Ember.TextField.extend({
-  classNameBindings: [':tag-chooser'],
-  attributeBindings: ['tabIndex', 'placeholderKey', 'categoryId'],
-
-  init() {
-    this._super();
-    const tags = this.get('tags') || [];
-    this.set('value', tags.join(", "));
-
-    if (this.get('allowCreate') !== false) {
-      this.set('allowCreate', this.site.get('can_create_tag'));
-    }
-
-    this.set('termMatchesForbidden', false);
-  },
-
-  _valueChanged: function() {
-    const tags = this.get('value').split(',').map(v => v.trim()).reject(v => v.length === 0).uniq();
-    this.set('tags', tags);
-  }.observes('value'),
-
-  _tagsChanged: function() {
-    const $tagChooser = this.$(),
-          val = this.get('value');
-
-    if ($tagChooser && val !== this.get('tags')) {
-      if (this.get('tags')) {
-        const data = this.get('tags').map((t) => {return {id: t, text: t};});
-        $tagChooser.select2('data', data);
-      } else {
-        $tagChooser.select2('data', []);
-      }
-    }
-  }.observes('tags'),
-
-  didInsertElement() {
-    this._super();
-
-    const self = this;
-    const filterRegexp = new RegExp(this.site.tags_filter_regexp, "g");
-
-    let limit = this.siteSettings.max_tags_per_topic;
-
-    if (this.get('unlimitedTagCount')) {
-      limit = null;
-    } else if (this.get('limit')) {
-      limit = parseInt(this.get('limit'));
-    }
-
-    this.$().select2({
-      tags: true,
-      placeholder: this.get('placeholder') === "" ? "" : I18n.t(this.get('placeholderKey') || 'tagging.choose_for_topic'),
-      maximumInputLength: this.siteSettings.max_tag_length,
-      maximumSelectionSize: limit,
-      width: this.get('width') || 'resolve',
-      initSelection(element, callback) {
-        const data = [];
-
-        function splitVal(string, separator) {
-          var val, i, l;
-          if (string === null || string.length < 1) return [];
-          val = string.split(separator);
-          for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
-          return val;
-        }
-
-        $(splitVal(element.val(), ",")).each(function () {
-          data.push({
-            id: this,
-            text: this
-          });
-        });
-
-        callback(data);
-      },
-      createSearchChoice(term, data) {
-        term = term.replace(filterRegexp, '').trim().toLowerCase();
-
-        // No empty terms, make sure the user has permission to create the tag
-        if (!term.length || !self.get('allowCreate') || self.get('termMatchesForbidden')) return;
-
-        if ($(data).filter(function() {
-          return this.text.localeCompare(term) === 0;
-        }).length === 0) {
-          return { id: term, text: term };
-        }
-      },
-      createSearchChoicePosition(list, item) {
-        // Search term goes on the bottom
-        list.push(item);
-      },
-      formatSelection(data) {
-        return data ? renderTag(this.text(data), {noHref: true}) : undefined;
-      },
-      formatSelectionCssClass() {
-        return "discourse-tag-select2";
-      },
-      formatResult: formatTag,
-      multiple: true,
-      ajax: {
-        quietMillis: 200,
-        cache: true,
-        url: Discourse.getURL("/tags/filter/search"),
-        dataType: 'json',
-        data: function (term) {
-          const selectedTags = self.get('tags');
-          const d = {
-            q: term,
-            limit: self.siteSettings.max_tag_search_results,
-            categoryId: self.get('categoryId')
-          };
-          if (selectedTags) {
-            d.selected_tags = selectedTags.slice(0,100);
-          }
-          if (!self.get('everyTag')) {
-            d.filterForInput = true;
-          }
-          return d;
-        },
-        results: function (data) {
-          if (self.siteSettings.tags_sort_alphabetically) {
-            data.results = data.results.sort(function(a,b) { return a.id > b.id; });
-          }
-          self.set('termMatchesForbidden', data.forbidden ? true : false);
-          return data;
-        }
-      },
-    });
-  },
-
-  willDestroyElement() {
-    this._super();
-    this.$().select2('destroy');
-  }
-
-});
diff --git a/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6 b/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
deleted file mode 100644
index efe35db5bb5..00000000000
--- a/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
+++ /dev/null
@@ -1,86 +0,0 @@
-function renderTagGroup(tag) {
-  return "<a class='discourse-tag'>" + Handlebars.Utils.escapeExpression(tag.text ? tag.text : tag) + "</a>";
-};
-
-export default Ember.TextField.extend({
-  classNameBindings: [':tag-chooser'],
-  attributeBindings: ['tabIndex', 'placeholderKey', 'categoryId'],
-
-  _initValue: function() {
-    const names = this.get('tagGroups') || [];
-    this.set('value', names.join(","));
-  }.on('init'),
-
-  _valueChanged: function() {
-    const names = this.get('value').split(',').map(v => v.trim()).reject(v => v.length === 0).uniq();
-    if ( this.get('tagGroups').join(',') !== this.get('value') ) {
-      this.set('tagGroups', names);
-    }
-  }.observes('value'),
-
-  _tagGroupsChanged: function() {
-    const $chooser = this.$(),
-          val = this.get('value');
-
-    if ($chooser && val !== this.get('tagGroups')) {
-      if (this.get('tagGroups')) {
-        const data = this.get('tagGroups').map((t) => {return {id: t, text: t};});
-        $chooser.select2('data', data);
-      } else {
-        $chooser.select2('data', []);
-      }
-    }
-  }.observes('tagGroups'),
-
-  _initializeChooser: function() {
-    const self = this;
-
-    this.$().select2({
-      tags: true,
-      placeholder: this.get('placeholderKey') ? I18n.t(this.get('placeholderKey')) : null,
-      initSelection(element, callback) {
-        const data = [];
-
-        function splitVal(string, separator) {
-          var val, i, l;
-          if (string === null || string.length < 1) return [];
-          val = string.split(separator);
-          for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
-          return val;
-        }
-
-        $(splitVal(element.val(), ",")).each(function () {
-          data.push({ id: this, text: this });
-        });
-
-        callback(data);
-      },
-      formatSelection: function (data) {
-        return data ? renderTagGroup(this.text(data)) : undefined;
-      },
-      formatSelectionCssClass: function(){
-        return "discourse-tag-select2";
-      },
-      formatResult: renderTagGroup,
-      multiple: true,
-      ajax: {
-        quietMillis: 200,
-        cache: true,
-        url: Discourse.getURL("/tag_groups/filter/search"),
-        dataType: 'json',
-        data: function (term) {
-          return { q: term, limit: self.siteSettings.max_tag_search_results };
-        },
-        results: function (data) {
-          data.results = data.results.sort(function(a,b) { return a.text > b.text; });
-          return data;
-        }
-      },
-    });
-  }.on('didInsertElement'),
-
-  _destroyChooser: function() {
-    this.$().select2('destroy');
-  }.on('willDestroyElement')
-
-});
diff --git a/app/assets/javascripts/discourse/controllers/preferences/categories.js.es6 b/app/assets/javascripts/discourse/controllers/preferences/categories.js.es6
index f394acd3e1e..6e27ea04e07 100644
--- a/app/assets/javascripts/discourse/controllers/preferences/categories.js.es6
+++ b/app/assets/javascripts/discourse/controllers/preferences/categories.js.es6
@@ -1,6 +1,6 @@
 import PreferencesTabController from "discourse/mixins/preferences-tab-controller";
 import { popupAjaxError } from 'discourse/lib/ajax-error';
-import { default as computed } from "ember-addons/ember-computed-decorators";
+import computed from "ember-addons/ember-computed-decorators";
 
 export default Ember.Controller.extend(PreferencesTabController, {
   saveAttrNames: [
@@ -12,7 +12,7 @@ export default Ember.Controller.extend(PreferencesTabController, {
 
   @computed("model.watchedCategories", "model.watchedFirstPostCategories", "model.trackedCategories", "model.mutedCategories")
   selectedCategories(watched, watchedFirst, tracked, muted) {
-    return [].concat(watched, watchedFirst, tracked, muted);
+    return [].concat(watched, watchedFirst, tracked, muted).filter(t => t);
   },
 
   canSave: function() {
diff --git a/app/assets/javascripts/discourse/controllers/preferences/tags.js.es6 b/app/assets/javascripts/discourse/controllers/preferences/tags.js.es6
index 6264d42b2de..b7e0ab97cf4 100644
--- a/app/assets/javascripts/discourse/controllers/preferences/tags.js.es6
+++ b/app/assets/javascripts/discourse/controllers/preferences/tags.js.es6
@@ -1,8 +1,8 @@
 import PreferencesTabController from "discourse/mixins/preferences-tab-controller";
 import { popupAjaxError } from 'discourse/lib/ajax-error';
+import computed from "ember-addons/ember-computed-decorators";
 
 export default Ember.Controller.extend(PreferencesTabController, {
-
   saveAttrNames: [
     'muted_tags',
     'tracked_tags',
@@ -10,6 +10,11 @@ export default Ember.Controller.extend(PreferencesTabController, {
     'watching_first_post_tags'
   ],
 
+  @computed("model.watched_tags", "model.watching_first_post_tags", "model.tracked_tags", "model.muted_tags")
+  selectedTags(watched, watchedFirst, tracked, muted) {
+    return [].concat(watched, watchedFirst, tracked, muted).filter(t => t);
+  },
+
   actions: {
     save() {
       this.set('saved', false);
diff --git a/app/assets/javascripts/discourse/templates/bulk-tag.hbs b/app/assets/javascripts/discourse/templates/bulk-tag.hbs
index 4ed48ddc2b6..3a54edf758d 100644
--- a/app/assets/javascripts/discourse/templates/bulk-tag.hbs
+++ b/app/assets/javascripts/discourse/templates/bulk-tag.hbs
@@ -1,5 +1,5 @@
 <p>{{i18n (concat "topics.bulk." title)}}</p>
 
-<p>{{tag-chooser tags=tags categoryId=categoryId}}</p>
+<p>{{tag-chooser filterPlaceholder=null tags=tags categoryId=categoryId}}</p>
 
 {{d-button action=action disabled=emptyTags label=(concat "topics.bulk." label)}}
diff --git a/app/assets/javascripts/discourse/templates/components/edit-category-tags.hbs b/app/assets/javascripts/discourse/templates/components/edit-category-tags.hbs
index df6544d770b..c8ea0536360 100644
--- a/app/assets/javascripts/discourse/templates/components/edit-category-tags.hbs
+++ b/app/assets/javascripts/discourse/templates/components/edit-category-tags.hbs
@@ -1,7 +1,11 @@
 <section class="field">
   <p>{{i18n 'category.tags_allowed_tags'}}</p>
-  {{tag-chooser placeholderKey="category.tags_placeholder" tags=category.allowed_tags everyTag="true" unlimitedTagCount="true"}}
+  {{tag-chooser
+    filterPlaceholder="category.tags_placeholder"
+    tags=category.allowed_tags
+    everyTag=true
+    unlimitedTagCount=true}}
 
   <p>{{i18n 'category.tags_allowed_tag_groups'}}</p>
-  {{tag-group-chooser placeholderKey="category.tag_groups_placeholder" tagGroups=category.allowed_tag_groups}}
+  {{tag-group-chooser tagGroups=category.allowed_tag_groups}}
 </section>
diff --git a/app/assets/javascripts/discourse/templates/components/queued-post.hbs b/app/assets/javascripts/discourse/templates/components/queued-post.hbs
index de2709ca4ab..99162937d14 100644
--- a/app/assets/javascripts/discourse/templates/components/queued-post.hbs
+++ b/app/assets/javascripts/discourse/templates/components/queued-post.hbs
@@ -52,7 +52,7 @@
         {{/each}}
       </div>
     {{else if editTags}}
-      {{tag-chooser tags=buffered.tags categoryId=buffered.category_id width='100%'}}
+      {{tag-chooser tags=buffered.tags categoryId=buffered.category_id}}
     {{/if}}
 
     <div class='queue-controls'>
diff --git a/app/assets/javascripts/discourse/templates/components/search-advanced-options.hbs b/app/assets/javascripts/discourse/templates/components/search-advanced-options.hbs
index f53a0e0c50b..3ce9b3d84f9 100644
--- a/app/assets/javascripts/discourse/templates/components/search-advanced-options.hbs
+++ b/app/assets/javascripts/discourse/templates/components/search-advanced-options.hbs
@@ -40,7 +40,12 @@
     <div class="control-group">
       <label class="control-label" for="search-with-tags">{{i18n "search.advanced.with_tags.label"}}</label>
       <div class="controls">
-        {{tag-chooser tags=searchedTerms.tags blacklist=searchedTerms.tags allowCreate=false placeholder="" everyTag="true" unlimitedTagCount="true" width="70%"}}
+        {{tag-chooser
+          tags=searchedTerms.tags
+          allowCreate=false
+          filterPlaceholder=null
+          everyTag=true
+          unlimitedTagCount=true}}
       <section class="field">
           <label>{{ input type="checkbox" class="all-tags" checked=searchedTerms.special.all_tags}} {{i18n "search.advanced.filters.all_tags"}} </label>
       </section>
diff --git a/app/assets/javascripts/discourse/templates/preferences/tags.hbs b/app/assets/javascripts/discourse/templates/preferences/tags.hbs
index 1c24147a2f6..af170058de8 100644
--- a/app/assets/javascripts/discourse/templates/preferences/tags.hbs
+++ b/app/assets/javascripts/discourse/templates/preferences/tags.hbs
@@ -5,25 +5,49 @@
 
   <div class="controls tag-controls">
     <label>{{d-icon "d-watching" class="icon watching"}} {{i18n 'user.watched_tags'}}</label>
-    {{tag-chooser tags=model.watched_tags blacklist=selectedTags allowCreate=false placeholder="" everyTag="true" unlimitedTagCount="true"}}
+    {{tag-chooser
+      tags=model.watched_tags
+      blacklist=selectedTags
+      filterPlaceholder=null
+      allowCreate=false
+      everyTag=true
+      unlimitedTagCount=true}}
   </div>
   <div class="instructions">{{i18n 'user.watched_tags_instructions'}}</div>
 
   <div class="controls tag-controls">
     <label>{{d-icon "d-regular" class="icon tracking"}} {{i18n 'user.tracked_tags'}}</label>
-    {{tag-chooser tags=model.tracked_tags blacklist=selectedTags allowCreate=false placeholder="" everyTag="true" unlimitedTagCount="true"}}
+    {{tag-chooser
+      tags=model.tracked_tags
+      blacklist=selectedTags
+      filterPlaceholder=null
+      allowCreate=false
+      everyTag=true
+      unlimitedTagCount=true}}
   </div>
   <div class="instructions">{{i18n 'user.tracked_tags_instructions'}}</div>
 
   <div class="controls tag-controls">
     <label>{{d-icon "d-watching-first" class="icon watching-first-post"}} {{i18n 'user.watched_first_post_tags'}}</label>
-    {{tag-chooser tags=model.watching_first_post_tags blacklist=selectedTags allowCreate=false placeholder="" everyTag="true" unlimitedTagCount="true"}}
+    {{tag-chooser
+      tags=model.watching_first_post_tags
+      blacklist=selectedTags
+      filterPlaceholder=null
+      allowCreate=false
+      everyTag=true
+      unlimitedTagCount=true}}
   </div>
   <div class="instructions">{{i18n 'user.watched_first_post_tags_instructions'}}</div>
 
   <div class="controls tag-controls">
     <label>{{d-icon "d-muted" class="icon muted"}} {{i18n 'user.muted_tags'}}</label>
-    {{tag-chooser tags=model.muted_tags blacklist=selectedTags allowCreate=false placeholder="" everyTag="true" unlimitedTagCount="true"}}
+    {{tag-chooser
+      tags=model.muted_tags
+      blacklist=selectedTags
+      filterPlaceholder=null
+      allowCreate=false
+      everyTag=true
+      unlimitedTagCount=true}}
   </div>
   <div class="instructions">{{i18n 'user.muted_tags_instructions'}}</div>
 
diff --git a/app/assets/javascripts/discourse/templates/tag-groups-show.hbs b/app/assets/javascripts/discourse/templates/tag-groups-show.hbs
index 26fde8830f4..dec3a0e3e9a 100644
--- a/app/assets/javascripts/discourse/templates/tag-groups-show.hbs
+++ b/app/assets/javascripts/discourse/templates/tag-groups-show.hbs
@@ -3,12 +3,19 @@
   <br/>
   <section class="group-tags-list">
     <label>{{i18n 'tagging.groups.tags_label'}}</label><br/>
-    {{tag-chooser tags=model.tag_names everyTag="true" unlimitedTagCount="true"}}
+    {{tag-chooser
+      tags=model.tag_names
+      everyTag=true
+      unlimitedTagCount=true}}
   </section>
 
   <section class="parent-tag-section">
     <label>{{i18n 'tagging.groups.parent_tag_label'}}</label>
-    {{tag-chooser tags=model.parent_tag_name everyTag="true" limit="1" placeholderKey="tagging.groups.parent_tag_placeholder"}}
+    {{tag-chooser
+      tags=model.parent_tag_name
+      everyTag=true
+      limit=1
+      filterPlaceholder="tagging.groups.parent_tag_placeholder"}}
     <span class="description">{{i18n 'tagging.groups.parent_tag_description'}}</span>
   </section>
 
diff --git a/app/assets/javascripts/discourse/templates/topic.hbs b/app/assets/javascripts/discourse/templates/topic.hbs
index 167ffcf138b..810679b3741 100644
--- a/app/assets/javascripts/discourse/templates/topic.hbs
+++ b/app/assets/javascripts/discourse/templates/topic.hbs
@@ -22,7 +22,7 @@
             {{/if}}
 
             {{#if canEditTags}}
-              {{tag-chooser tags=buffered.tags categoryId=buffered.category_id}}
+              {{mini-tag-chooser tags=buffered.tags categoryId=buffered.category_id}}
             {{/if}}
 
             {{plugin-outlet name="edit-topic" args=(hash model=model buffered=buffered)}}
diff --git a/app/assets/javascripts/select-kit/components/mini-tag-chooser.js.es6 b/app/assets/javascripts/select-kit/components/mini-tag-chooser.js.es6
index d28f7a1caae..1a9d4028901 100644
--- a/app/assets/javascripts/select-kit/components/mini-tag-chooser.js.es6
+++ b/app/assets/javascripts/select-kit/components/mini-tag-chooser.js.es6
@@ -1,22 +1,22 @@
 import ComboBox from "select-kit/components/combo-box";
-import { ajax } from "discourse/lib/ajax";
-import { popupAjaxError } from 'discourse/lib/ajax-error';
+import Tags from "select-kit/mixins/tags";
 import { default as computed } from "ember-addons/ember-computed-decorators";
 import renderTag from "discourse/lib/render-tag";
-const { get, isEmpty, isPresent, run, makeArray } = Ember;
+const { get, isEmpty, run, makeArray } = Ember;
 
-export default ComboBox.extend({
+export default ComboBox.extend(Tags, {
   allowContentReplacement: true,
   pluginApiIdentifiers: ["mini-tag-chooser"],
+  attributeBindings: ["categoryId"],
   classNames: ["mini-tag-chooser"],
   classNameBindings: ["noTags"],
   verticalOffset: 3,
   filterable: true,
-  noTags: Ember.computed.empty("computedTags"),
+  noTags: Ember.computed.empty("selectedTags"),
   allowAny: true,
-  maximumSelectionSize: Ember.computed.alias("siteSettings.max_tags_per_topic"),
   caretUpIcon: Ember.computed.alias("caretIcon"),
   caretDownIcon: Ember.computed.alias("caretIcon"),
+  isAsync: true,
 
   init() {
     this._super();
@@ -30,17 +30,8 @@ export default ComboBox.extend({
         noHref: true
       });
     });
-  },
 
-  @computed("limitReached", "maximumSelectionSize")
-  maxContentRow(limitReached, count) {
-    if (limitReached) {
-      return I18n.t("select_kit.max_content_reached", { count });
-    }
-  },
-
-  mutateAttributes() {
-    this.set("value", null);
+    this.set("limit", parseInt(this.get("limit") || this.get("siteSettings.max_tags_per_topic")));
   },
 
   @computed("limitReached")
@@ -48,9 +39,9 @@ export default ComboBox.extend({
     return limitReached ? null : "plus";
   },
 
-  @computed("computedTags.[]", "maximumSelectionSize")
-  limitReached(computedTags, maximumSelectionSize) {
-    if (computedTags.length >= maximumSelectionSize) {
+  @computed("selectedTags.[]", "limit")
+  limitReached(selectedTags, limit) {
+    if (selectedTags.length >= limit) {
       return true;
     }
 
@@ -58,33 +49,10 @@ export default ComboBox.extend({
   },
 
   @computed("tags")
-  computedTags(tags) {
+  selectedTags(tags) {
     return makeArray(tags);
   },
 
-  validateCreate(term) {
-    if (this.get("limitReached") || !this.site.get("can_create_tag")) {
-      return false;
-    }
-
-    const filterRegexp = new RegExp(this.site.tags_filter_regexp, "g");
-    term = term.replace(filterRegexp, "").trim().toLowerCase();
-
-    if (!term.length || this.get("termMatchesForbidden")) {
-      return false;
-    }
-
-    if (this.get("siteSettings.max_tag_length") < term.length) {
-      return false;
-    }
-
-    return true;
-  },
-
-  validateSelect() {
-    return this.get("computedTags").length < this.get("siteSettings.max_tags_per_topic");
-  },
-
   filterComputedContent(computedContent) {
     return computedContent;
   },
@@ -92,7 +60,7 @@ export default ComboBox.extend({
   didRender() {
     this._super();
 
-    this.$().on("click.mini-tag-chooser", ".selected-tag", (event) => {
+    $(".select-kit-body").on("click.mini-tag-chooser", ".selected-tag", (event) => {
       event.stopImmediatePropagation();
       this.send("removeTag", $(event.target).attr("data-value"));
     });
@@ -102,9 +70,6 @@ export default ComboBox.extend({
     this._super();
 
     $(".select-kit-body").off("click.mini-tag-chooser");
-
-    const searchDebounce = this.get("searchDebounce");
-    if (isPresent(searchDebounce)) { run.cancel(searchDebounce); }
   },
 
   didPressEscape(event) {
@@ -167,9 +132,9 @@ export default ComboBox.extend({
 
   computeHeaderContent() {
     let content = this.baseHeaderComputedContent();
-    const joinedTags = this.get("computedTags").join(", ");
+    const joinedTags = this.get("selectedTags").join(", ");
 
-    if (isEmpty(this.get("computedTags"))) {
+    if (isEmpty(this.get("selectedTags"))) {
       content.label = I18n.t("tagging.choose_for_topic");
     } else {
       content.label = joinedTags;
@@ -182,80 +147,61 @@ export default ComboBox.extend({
 
   actions: {
     removeTag(tag) {
-      let tags = this.get("computedTags");
+      let tags = this.get("selectedTags");
       delete tags[tags.indexOf(tag)];
       this.set("tags", tags.filter(t => t));
-      this.set("content", []);
-      this.set("searchDebounce", run.debounce(this, this._searchTags, this.get("filter"), 250));
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
     },
 
     onExpand() {
-      if (isEmpty(this.get("content"))) {
-        this.set("searchDebounce", run.debounce(this, this._searchTags, this.get("filter"), 250));
+      if (isEmpty(this.get("collectionComputedContent"))) {
+        this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
       }
     },
 
     onFilter(filter) {
       filter = isEmpty(filter) ? null : filter;
-      this.set("searchDebounce", run.debounce(this, this._searchTags, filter, 250));
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, filter, 200));
     },
 
     onSelect(tag) {
-      if (isEmpty(this.get("computedTags"))) {
+      if (isEmpty(this.get("selectedTags"))) {
         this.set("tags", makeArray(tag));
       } else {
-        this.set("tags", this.get("computedTags").concat(tag));
+        this.set("tags", this.get("selectedTags").concat(tag));
       }
 
-      this.set("content", []);
-      this.set("searchDebounce", run.debounce(this, this._searchTags, this.get("filter"), 250));
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 50));
+
+      this.autoHighlight();
     }
   },
 
-  _searchTags(query) {
-    this.startLoading();
-
-    const self = this;
-    const selectedTags = makeArray(this.get("computedTags")).filter(t => t);
-    const sortTags = this.siteSettings.tags_sort_alphabetically;
+  prepareSearch(query) {
     const data = {
       q: query,
-      limit: this.siteSettings.max_tag_search_results,
+      limit: this.get("siteSettings.max_tag_search_results"),
       categoryId: this.get("categoryId")
     };
+    if (this.get("selectedTags")) data.selected_tags = this.get("selectedTags").slice(0, 100);
+    if (!this.get("everyTag")) data.filterForInput = true;
 
-    if (selectedTags) {
-      data.selected_tags = selectedTags.slice(0, 100);
+    this.searchTags("/tags/filter/search", data, this._transformJson);
+  },
+
+  _transformJson(context, json) {
+    let results = json.results;
+
+    context.set("termMatchesForbidden", json.forbidden ? true : false);
+
+    if (context.get("siteSettings.tags_sort_alphabetically")) {
+      results = results.sort((a, b) => a.id > b.id);
     }
 
-    ajax(Discourse.getURL("/tags/filter/search"), {
-        quietMillis: 200,
-        cache: true,
-        dataType: "json",
-        data,
-      }).then(json => {
-        let results = json.results;
+    results = results.filter(r => !context.get("selectedTags").includes(r.id));
 
-        self.set("termMatchesForbidden", json.forbidden ? true : false);
-
-        if (sortTags) {
-          results = results.sort((a, b) => a.id > b.id);
-        }
-
-        const content = results.map((result) => {
-          return {
-            id: result.text,
-            name: result.text,
-            count: result.count
-          };
-        }).filter(c => !selectedTags.includes(c.id));
-
-        self.set("content", content);
-        self.stopLoading();
-        this.autoHighlight();
-      }).catch(error => {
-        self.stopLoading();
-        popupAjaxError(error);
-      });
+    return results.map(result => {
+      return { id: result.text, name: result.text, count: result.count };
+    });
   }
 });
diff --git a/app/assets/javascripts/select-kit/components/multi-select.js.es6 b/app/assets/javascripts/select-kit/components/multi-select.js.es6
index e3e0ad9a132..b74b371c59c 100644
--- a/app/assets/javascripts/select-kit/components/multi-select.js.es6
+++ b/app/assets/javascripts/select-kit/components/multi-select.js.es6
@@ -8,14 +8,15 @@ import {
 
 export default SelectKitComponent.extend({
   pluginApiIdentifiers: ["multi-select"],
+  layoutName: "select-kit/templates/components/multi-select",
   classNames: "multi-select",
   headerComponent: "multi-select/multi-select-header",
-  filterComponent: null,
   headerText: "select_kit.default_header_text",
   allowAny: true,
   allowInitialValueMutation: false,
   autoFilterable: true,
   selectedNameComponent: "multi-select/selected-name",
+  filterIcon: null,
 
   init() {
     this._super();
@@ -38,16 +39,22 @@ export default SelectKitComponent.extend({
   _compute() {
     Ember.run.scheduleOnce("afterRender", () => {
       this.willComputeAttributes();
-      let content = this.willComputeContent(this.get("content") || []);
+      let content = this.get("content") || [];
+      let asyncContent = this.get("asyncContent") || [];
+      content = this.willComputeContent(content);
+      asyncContent = this.willComputeAsyncContent(asyncContent);
       let values = this._beforeWillComputeValues(this.get("values"));
       content = this.computeContent(content);
+      asyncContent = this.computeAsyncContent(asyncContent);
       content = this._beforeDidComputeContent(content);
+      asyncContent = this._beforeDidComputeAsyncContent(asyncContent);
       values = this.willComputeValues(values);
       values = this.computeValues(values);
       values = this._beforeDidComputeValues(values);
       this._setHeaderComputedContent();
       this._setCollectionHeaderComputedContent();
       this.didComputeContent(content);
+      this.didComputeAsyncContent(asyncContent);
       this.didComputeValues(values);
       this.didComputeAttributes();
     });
@@ -102,6 +109,19 @@ export default SelectKitComponent.extend({
     });
   },
 
+  @computed("computedAsyncContent.[]", "computedValues.[]")
+  filteredAsyncComputedContent(computedAsyncContent, computedValues) {
+    computedAsyncContent = computedAsyncContent.filter(c => {
+      return !computedValues.includes(get(c, "value"));
+    });
+
+    if (this.get("limitMatches")) {
+      return computedAsyncContent.slice(0, this.get("limitMatches"));
+    }
+
+    return computedAsyncContent;
+  },
+
   @computed("computedContent.[]", "computedValues.[]", "filter")
   filteredComputedContent(computedContent, computedValues, filter) {
     computedContent = computedContent.filter(c => {
@@ -133,6 +153,16 @@ export default SelectKitComponent.extend({
     };
   },
 
+  @computed("limit", "computedValues.[]")
+  limitReached(limit, computedValues) {
+    if (!limit) return false;
+    return computedValues.length >= limit;
+  },
+
+  validateSelect() {
+    return this._super() && !this.get("limitReached");
+  },
+
   didPressBackspace(event) {
     this.expand(event);
     this.keyDown(event);
@@ -178,16 +208,16 @@ export default SelectKitComponent.extend({
       if ($lastSelectedValue.length === 0) { return; }
 
       if ($filterInput.not(":visible") && $lastSelectedValue.length > 0) {
-        $lastSelectedValue.click();
+        $lastSelectedValue.trigger("backspace");
         return false;
       }
 
       if ($filterInput.val() === "") {
         if ($filterInput.is(":focus")) {
-          if ($lastSelectedValue.length > 0) { $lastSelectedValue.click(); }
+          if ($lastSelectedValue.length > 0) { $lastSelectedValue.trigger("backspace"); }
         } else {
           if ($lastSelectedValue.length > 0) {
-            $lastSelectedValue.click();
+            $lastSelectedValue.trigger("backspace");
           } else {
             $filterInput.focus();
           }
@@ -217,14 +247,14 @@ export default SelectKitComponent.extend({
       if (!this.get("renderedBodyOnce")) return;
       if (!isNone(this.get("highlightedValue"))) return;
 
-      if (isEmpty(this.get("filteredComputedContent"))) {
+      if (isEmpty(this.get("collectionComputedContent"))) {
         if (this.get("createRowComputedContent")) {
           this.send("highlight", this.get("createRowComputedContent"));
         } else if (this.get("noneRowComputedContent") && this.get("hasSelection")) {
           this.send("highlight", this.get("noneRowComputedContent"));
         }
       } else {
-        this.send("highlight", this.get("filteredComputedContent.firstObject"));
+        this.send("highlight", this.get("collectionComputedContent.firstObject"));
       }
     });
   },
@@ -247,9 +277,10 @@ export default SelectKitComponent.extend({
     this.set("highlightedValue", null);
   },
 
-  didDeselect() {
+  didDeselect(rowComputedContentItems) {
     this.focusFilterOrHeader();
     this.autoHighlight();
+    this._boundaryActionHandler("onDeselect", rowComputedContentItems);
   },
 
   actions: {
diff --git a/app/assets/javascripts/select-kit/components/multi-select/selected-name.js.es6 b/app/assets/javascripts/select-kit/components/multi-select/selected-name.js.es6
index a6b672d50ed..eff2b9716d4 100644
--- a/app/assets/javascripts/select-kit/components/multi-select/selected-name.js.es6
+++ b/app/assets/javascripts/select-kit/components/multi-select/selected-name.js.es6
@@ -28,6 +28,20 @@ export default Ember.Component.extend({
     return null;
   },
 
+  didInsertElement() {
+    this._super();
+
+    $(this.element).on("backspace.selected-name", () => {
+      this._handleBackspace();
+    });
+  },
+
+  willDestroyElement() {
+    this._super();
+
+    $(this.element).off("backspace.selected-name");
+  },
+
   label: Ember.computed.or("computedContent.label", "title", "name"),
 
   name: Ember.computed.alias("computedContent.name"),
@@ -39,8 +53,18 @@ export default Ember.Component.extend({
   }),
 
   click() {
-    if (this.get("isLocked") === true) { return false; }
-    this.toggleProperty("isHighlighted");
+    if (this.get("isLocked") === true) return false;
+    this.sendAction("deselect", [this.get("computedContent")]);
     return false;
+  },
+
+  _handleBackspace() {
+    if (this.get("isLocked") === true) return false;
+
+    if (this.get("isHighlighted")) {
+      this.sendAction("deselect", [this.get("computedContent")]);
+    } else {
+      this.set("isHighlighted", true);
+    }
   }
 });
diff --git a/app/assets/javascripts/select-kit/components/select-kit.js.es6 b/app/assets/javascripts/select-kit/components/select-kit.js.es6
index b8bdf5c6674..b8418805085 100644
--- a/app/assets/javascripts/select-kit/components/select-kit.js.es6
+++ b/app/assets/javascripts/select-kit/components/select-kit.js.es6
@@ -32,6 +32,7 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
   isFocused: false,
   isHidden: false,
   isLoading: false,
+  isAsync: false,
   renderedBodyOnce: false,
   renderedFilterOnce: false,
   tabindex: 0,
@@ -69,8 +70,6 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
   allowContentReplacement: false,
   collectionHeader: null,
   allowAutoSelectFirst: true,
-  maximumSelectionSize: null,
-  maxContentRow: null,
 
   init() {
     this._super();
@@ -91,11 +90,16 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
     if (this.get("allowContentReplacement")) {
       this.addObserver(`content.[]`, this, this._compute);
     }
+
+    if (this.get("isAsync")) {
+      this.addObserver(`asyncContent.[]`, this, this._compute);
+    }
   },
 
   willDestroyElement() {
     this.removeObserver(`content.@each.${this.get("nameProperty")}`, this, this._compute);
     this.removeObserver(`content.[]`, this, this._compute);
+    this.removeObserver(`asyncContent.[]`, this, this._compute);
   },
 
   willComputeAttributes() {},
@@ -114,6 +118,17 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
   },
   didComputeContent() {},
 
+  willComputeAsyncContent(content) { return content; },
+  computeAsyncContent(content) { return content; },
+  _beforeDidComputeAsyncContent(content) {
+    content = applyContentPluginApiCallbacks(this.get("pluginApiIdentifiers"), content, this);
+    this.setProperties({
+      computedAsyncContent: content.map(c => this.computeAsyncContentItem(c))
+    });
+    return content;
+  },
+  didComputeAsyncContent() {},
+
   computeHeaderContent() {
     return this.baseHeaderComputedContent();
   },
@@ -122,6 +137,15 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
     return this.baseComputedContentItem(contentItem, options);
   },
 
+  computeAsyncContentItem(contentItem, options) {
+    return this.computeContentItem(contentItem, options);
+  },
+
+  @computed("isAsync", "filteredAsyncComputedContent", "filteredComputedContent")
+  collectionComputedContent(isAsync, filteredAsyncComputedContent, filteredComputedContent) {
+    return isAsync ? filteredAsyncComputedContent : filteredComputedContent;
+  },
+
   validateCreate() { return true; },
 
   validateSelect() { return true; },
@@ -155,13 +179,20 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
     return false;
   },
 
-  @computed("filter", "filteredComputedContent.[]")
-  noContentRow(filter, filteredComputedContent) {
-    if (filter.length > 0 && filteredComputedContent.length === 0) {
+  @computed("filter", "collectionComputedContent.[]")
+  noContentRow(filter, collectionComputedContent) {
+    if (filter.length > 0 && collectionComputedContent.length === 0) {
       return I18n.t("select_kit.no_content");
     }
   },
 
+  @computed("limitReached", "limit")
+  maxContentRow(limitReached, limit) {
+    if (limitReached) {
+      return I18n.t("select_kit.max_content_reached", { count: limit });
+    }
+  },
+
   @computed("filter", "filterable", "autoFilterable", "renderedFilterOnce")
   shouldFilter(filter, filterable, autoFilterable, renderedFilterOnce) {
     if (renderedFilterOnce && filterable) return true;
@@ -170,8 +201,9 @@ export default Ember.Component.extend(UtilsMixin, PluginApiMixin, DomHelpersMixi
     return false;
   },
 
-  @computed("filter", "computedContent")
-  shouldDisplayCreateRow(filter, computedContent) {
+  @computed("filter", "computedContent", "limitReached")
+  shouldDisplayCreateRow(filter, computedContent, limitReached) {
+    if (limitReached) return false;
     if (computedContent.map(c => c.value).includes(filter)) return false;
     if (this.get("allowAny") && filter.length > 0 && this.validateCreate(filter)) return true;
     return false;
diff --git a/app/assets/javascripts/select-kit/components/select-kit/select-kit-filter.js.es6 b/app/assets/javascripts/select-kit/components/select-kit/select-kit-filter.js.es6
index fbfed55bc3d..60e7ec98199 100644
--- a/app/assets/javascripts/select-kit/components/select-kit/select-kit-filter.js.es6
+++ b/app/assets/javascripts/select-kit/components/select-kit/select-kit-filter.js.es6
@@ -1,6 +1,15 @@
+import computed from "ember-addons/ember-computed-decorators";
+const { isEmpty } = Ember;
+
 export default Ember.Component.extend({
   layoutName: "select-kit/templates/components/select-kit/select-kit-filter",
   classNames: ["select-kit-filter"],
   classNameBindings: ["isFocused", "isHidden"],
-  isHidden: Ember.computed.not("shouldDisplayFilter")
+  isHidden: Ember.computed.not("shouldDisplayFilter"),
+
+  @computed("placeholder", "hasSelection")
+  computedPlaceholder(placeholder, hasSelection) {
+    if (hasSelection) return "";
+    return isEmpty(placeholder) ? "" : I18n.t(placeholder);
+  }
 });
diff --git a/app/assets/javascripts/select-kit/components/single-select.js.es6 b/app/assets/javascripts/select-kit/components/single-select.js.es6
index d442a9e2ae7..e859effe406 100644
--- a/app/assets/javascripts/select-kit/components/single-select.js.es6
+++ b/app/assets/javascripts/select-kit/components/single-select.js.es6
@@ -4,6 +4,7 @@ const { get, isNone, isEmpty, isPresent, run } = Ember;
 
 export default SelectKitComponent.extend({
   pluginApiIdentifiers: ["single-select"],
+  layoutName: "select-kit/templates/components/single-select",
   classNames: "single-select",
   computedValue: null,
   value: null,
@@ -13,14 +14,20 @@ export default SelectKitComponent.extend({
   _compute() {
     run.scheduleOnce("afterRender", () => {
       this.willComputeAttributes();
-      let content = this.willComputeContent(this.get("content") || []);
+      let content = this.get("content") || [];
+      let asyncContent = this.get("asyncContent") || [];
+      content = this.willComputeContent(content);
+      asyncContent = this.willComputeAsyncContent(asyncContent);
       let value = this._beforeWillComputeValue(this.get("value"));
       content = this.computeContent(content);
+      asyncContent = this.computeAsyncContent(asyncContent);
       content = this._beforeDidComputeContent(content);
+      asyncContent = this._beforeDidComputeAsyncContent(asyncContent);
       value = this.willComputeValue(value);
       value = this.computeValue(value);
       value = this._beforeDidComputeValue(value);
       this.didComputeContent(content);
+      this.didComputeAsyncContent(asyncContent);
       this.didComputeValue(value);
       this.didComputeAttributes();
 
@@ -86,6 +93,19 @@ export default SelectKitComponent.extend({
     };
   },
 
+  @computed("computedAsyncContent.[]", "computedValue")
+  filteredAsyncComputedContent(computedAsyncContent, computedValue) {
+    computedAsyncContent = computedAsyncContent.filter(c => {
+      return computedValue !== get(c, "value");
+    });
+
+    if (this.get("limitMatches")) {
+      return computedAsyncContent.slice(0, this.get("limitMatches"));
+    }
+
+    return computedAsyncContent;
+  },
+
   @computed("computedContent.[]", "computedValue", "filter", "shouldFilter")
   filteredComputedContent(computedContent, computedValue, filter, shouldFilter) {
     if (shouldFilter) {
diff --git a/app/assets/javascripts/select-kit/components/tag-chooser.js.es6 b/app/assets/javascripts/select-kit/components/tag-chooser.js.es6
new file mode 100644
index 00000000000..c79e88bab02
--- /dev/null
+++ b/app/assets/javascripts/select-kit/components/tag-chooser.js.es6
@@ -0,0 +1,107 @@
+import MultiSelectComponent from "select-kit/components/multi-select";
+import Tags from "select-kit/mixins/tags";
+import renderTag from "discourse/lib/render-tag";
+import computed from "ember-addons/ember-computed-decorators";
+const { get, isEmpty, run, makeArray } = Ember;
+
+export default MultiSelectComponent.extend(Tags, {
+  pluginApiIdentifiers: ["tag-chooser"],
+  classNames: "tag-chooser",
+  isAsync: true,
+  filterable: true,
+  filterPlaceholder: "tagging.choose_for_topic",
+  limit: null,
+  attributeBindings: ["categoryId"],
+  allowAny: Ember.computed.alias("allowCreate"),
+
+  init() {
+    this._super();
+
+    if (this.get("allowCreate") !== false) {
+      this.set("allowCreate", this.get("siteSettings.can_create_tag"));
+    }
+
+    this.set("termMatchesForbidden", false);
+
+    this.set("templateForRow", (rowComponent) => {
+      const tag = rowComponent.get("computedContent");
+      return renderTag(get(tag, "value"), {
+        count: get(tag, "originalContent.count"),
+        noHref: true
+      });
+    });
+
+    if (!this.get("unlimitedTagCount")) {
+      this.set("limit", parseInt(this.get("limit") || this.get("siteSettings.max_tags_per_topic")));
+    }
+  },
+
+  mutateValues(values) {
+    this.set("tags", values.filter(v => v));
+  },
+
+  @computed("tags")
+  values(tags) {
+    return makeArray(tags);
+  },
+
+  @computed("tags")
+  content(tags) {
+    return makeArray(tags);
+  },
+
+  actions: {
+    onFilter(filter) {
+      this.expand();
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, filter, 200));
+    },
+
+    onExpand() {
+      if (isEmpty(this.get("collectionComputedContent"))) {
+        this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
+      }
+    },
+
+    onDeselect() {
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
+    },
+
+    onSelect() {
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 50));
+    }
+  },
+
+  prepareSearch(query) {
+    const selectedTags = makeArray(this.get("values")).filter(t => t);
+
+    const data = {
+      q: query,
+      limit: this.get("siteSettings.max_tag_search_results"),
+      categoryId: this.get("categoryId")
+    };
+    if (selectedTags) data.selected_tags = selectedTags.slice(0, 100);
+    if (!this.get("everyTag")) data.filterForInput = true;
+
+    this.searchTags("/tags/filter/search", data, this._transformJson);
+  },
+
+  _transformJson(context, json) {
+    let results = json.results;
+
+    context.set("termMatchesForbidden", json.forbidden ? true : false);
+
+    if (context.get("blacklist")) {
+      results = results.filter(result => {
+        return !context.get("blacklist").includes(result.id);
+      });
+    }
+
+    if (context.get("siteSettings.tags_sort_alphabetically")) {
+      results = results.sort((a, b) => a.id > b.id);
+    }
+
+    return results.map(result => {
+      return { id: result.text, name: result.text, count: result.count };
+    });
+  }
+});
diff --git a/app/assets/javascripts/select-kit/components/tag-group-chooser.js.es6 b/app/assets/javascripts/select-kit/components/tag-group-chooser.js.es6
new file mode 100644
index 00000000000..2b16037f72c
--- /dev/null
+++ b/app/assets/javascripts/select-kit/components/tag-group-chooser.js.es6
@@ -0,0 +1,79 @@
+import MultiSelectComponent from "select-kit/components/multi-select";
+import Tags from "select-kit/mixins/tags";
+import renderTag from "discourse/lib/render-tag";
+import computed from "ember-addons/ember-computed-decorators";
+const { get, isEmpty, run, makeArray } = Ember;
+
+export default MultiSelectComponent.extend(Tags, {
+  pluginApiIdentifiers: ["tag-group-chooser"],
+  classNames: ["tag-group-chooser", "tag-chooser"],
+  isAsync: true,
+  filterable: true,
+  filterPlaceholder: "category.tag_groups_placeholder",
+  limit: null,
+  allowAny: false,
+
+  init() {
+    this._super();
+
+    this.set("templateForRow", (rowComponent) => {
+      const tag = rowComponent.get("computedContent");
+      return renderTag(get(tag, "value"), {
+        count: get(tag, "originalContent.count"),
+        noHref: true
+      });
+    });
+  },
+
+  mutateValues(values) {
+    this.set("tagGroups", values.filter(v => v));
+  },
+
+  @computed("tagGroups")
+  values(tagGroups) {
+    return makeArray(tagGroups);
+  },
+
+  @computed("tagGroups")
+  content(tagGroups) {
+    return makeArray(tagGroups);
+  },
+
+  actions: {
+    onFilter(filter) {
+      this.expand();
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, filter, 200));
+    },
+
+    onExpand() {
+      if (isEmpty(this.get("collectionComputedContent"))) {
+        this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
+      }
+    },
+
+    onDeselect() {
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 200));
+    },
+
+    onSelect() {
+      this.set("searchDebounce", run.debounce(this, this.prepareSearch, this.get("filter"), 50));
+    }
+  },
+
+  prepareSearch(query) {
+    const data = {
+      q: query,
+      limit: this.get("siteSettings.max_tag_search_results")
+    };
+
+    this.searchTags("/tags/filter/search", data, this._transformJson);
+  },
+
+  _transformJson(context, json) {
+    let results = json.results.sort((a, b) => a.id > b.id);
+
+    return results.map(result => {
+      return { id: result.text, name: result.text, count: result.count };
+    });
+  },
+});
diff --git a/app/assets/javascripts/select-kit/mixins/tags.js.es6 b/app/assets/javascripts/select-kit/mixins/tags.js.es6
new file mode 100644
index 00000000000..8d2b2da3b65
--- /dev/null
+++ b/app/assets/javascripts/select-kit/mixins/tags.js.es6
@@ -0,0 +1,52 @@
+const { run } = Ember;
+import { ajax } from "discourse/lib/ajax";
+import { popupAjaxError } from "discourse/lib/ajax-error";
+
+export default Ember.Mixin.create({
+  willDestroyElement() {
+    this._super();
+
+    const searchDebounce = this.get("searchDebounce");
+    if (searchDebounce) run.cancel(searchDebounce);
+  },
+
+  searchTags(url, data, callback) {
+    const self = this;
+
+    this.startLoading();
+
+    return ajax(Discourse.getURL(url), {
+      quietMillis: 200,
+      cache: true,
+      dataType: "json",
+      data
+    }).then(json => {
+      self.set("asyncContent", callback(self, json));
+    }).catch(error => {
+      popupAjaxError(error);
+    })
+    .finally(() => {
+      self.stopLoading();
+      self.autoHighlight();
+    });
+  },
+
+  validateCreate(term) {
+    if (this.get("limitReached") || !this.site.get("can_create_tag")) {
+      return false;
+    }
+
+    const filterRegexp = new RegExp(this.site.tags_filter_regexp, "g");
+    term = term.replace(filterRegexp, "").trim().toLowerCase();
+
+    if (!term.length || this.get("termMatchesForbidden")) {
+      return false;
+    }
+
+    if (this.get("siteSettings.max_tag_length") < term.length) {
+      return false;
+    }
+
+    return true;
+  },
+});
diff --git a/app/assets/javascripts/select-kit/templates/components/multi-select.hbs b/app/assets/javascripts/select-kit/templates/components/multi-select.hbs
new file mode 100644
index 00000000000..072a4bff866
--- /dev/null
+++ b/app/assets/javascripts/select-kit/templates/components/multi-select.hbs
@@ -0,0 +1,50 @@
+{{#component headerComponent
+  tabindex=tabindex
+  isFocused=isFocused
+  isExpanded=isExpanded
+  computedContent=headerComputedContent
+  deselect=(action "deselect")
+  toggle=(action "toggle")
+  clearSelection=(action "clearSelection")
+  options=headerComponentOptions
+}}
+  {{component filterComponent
+    icon=filterIcon
+    placeholder=filterPlaceholder
+    filter=filter
+    hasSelection=hasSelection
+    isLoading=isLoading
+    shouldDisplayFilter=shouldDisplayFilter
+    isFocused=isFocused
+    filterComputedContent=(action "filterComputedContent")
+  }}
+{{/component}}
+
+<div class="select-kit-body">
+  {{#if renderedBodyOnce}}
+    {{component collectionComponent
+      collectionHeaderComputedContent=collectionHeaderComputedContent
+      hasSelection=hasSelection
+      noneRowComputedContent=noneRowComputedContent
+      createRowComputedContent=createRowComputedContent
+      collectionComputedContent=collectionComputedContent
+      rowComponent=rowComponent
+      noneRowComponent=noneRowComponent
+      createRowComponent=createRowComponent
+      templateForRow=templateForRow
+      templateForNoneRow=templateForNoneRow
+      templateForCreateRow=templateForCreateRow
+      clearSelection=(action "clearSelection")
+      select=(action "select")
+      highlight=(action "highlight")
+      create=(action "create")
+      highlightedValue=highlightedValue
+      computedValue=computedValue
+      rowComponentOptions=rowComponentOptions
+      noContentRow=noContentRow
+      maxContentRow=maxContentRow
+    }}
+  {{/if}}
+</div>
+
+<div class="select-kit-wrapper"></div>
diff --git a/app/assets/javascripts/select-kit/templates/components/multi-select/multi-select-header.hbs b/app/assets/javascripts/select-kit/templates/components/multi-select/multi-select-header.hbs
index eb4aba3f06d..71173acb30d 100644
--- a/app/assets/javascripts/select-kit/templates/components/multi-select/multi-select-header.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/multi-select/multi-select-header.hbs
@@ -5,11 +5,6 @@
       computedContent=selectedComputedContent}}
   {{/each}}
   <span class="filter choice" tabindex="-1">
-    {{component "select-kit/select-kit-filter"
-      filterComputedContent=filterComputedContent
-      shouldDisplayFilter=shouldDisplayFilter
-      isFocused=isFocused
-      filter=filter
-    }}
+    {{yield}}
   </span>
 </div>
diff --git a/app/assets/javascripts/select-kit/templates/components/multi-select/selected-category.hbs b/app/assets/javascripts/select-kit/templates/components/multi-select/selected-category.hbs
index 6e2b1b362fd..09b5adfa859 100644
--- a/app/assets/javascripts/select-kit/templates/components/multi-select/selected-category.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/multi-select/selected-category.hbs
@@ -1,7 +1,3 @@
 <div class="body">
-  <span class="delete-icon" {{action deselect computedContent bubbles=false}}>
-    {{d-icon "times"}}
-  </span>
-
   {{badge}}
 </div>
diff --git a/app/assets/javascripts/select-kit/templates/components/multi-select/selected-name.hbs b/app/assets/javascripts/select-kit/templates/components/multi-select/selected-name.hbs
index e4167b47b4d..ffa6a8f3b91 100644
--- a/app/assets/javascripts/select-kit/templates/components/multi-select/selected-name.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/multi-select/selected-name.hbs
@@ -1,16 +1,6 @@
 {{#if headerContent}}<div class="header">{{headerContent}}</div>{{/if}}
 
 <div class="body">
-  {{#if isLocked}}
-    <span class="delete-icon">
-      {{d-icon "lock"}}
-    </span>
-  {{else}}
-    <span class="locked-icon" {{action deselect computedContent bubbles=false}}>
-      {{d-icon "times"}}
-    </span>
-  {{/if}}
-
   <span class="name">
     {{{label}}}
   </span>
diff --git a/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-collection.hbs b/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-collection.hbs
index 35d46789dd3..12f5d053800 100644
--- a/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-collection.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-collection.hbs
@@ -40,7 +40,7 @@
       {{noContentRow}}
     </li>
   {{else}}
-    {{#each filteredComputedContent as |computedContent|}}
+    {{#each collectionComputedContent as |computedContent|}}
       {{component rowComponent
         computedContent=computedContent
         highlightedValue=highlightedValue
diff --git a/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-filter.hbs b/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-filter.hbs
index e7d1e96a7ef..dfe505f5b1f 100644
--- a/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-filter.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/select-kit/select-kit-filter.hbs
@@ -1,7 +1,7 @@
 {{input
   tabindex=-1
   class="filter-input"
-  placeholder=placeholder
+  placeholder=computedPlaceholder
   key-up=filterComputedContent
   autocomplete="off"
   autocorrect="off"
diff --git a/app/assets/javascripts/select-kit/templates/components/select-kit.hbs b/app/assets/javascripts/select-kit/templates/components/single-select.hbs
similarity index 86%
rename from app/assets/javascripts/select-kit/templates/components/select-kit.hbs
rename to app/assets/javascripts/select-kit/templates/components/single-select.hbs
index cd92fb83122..8f676036031 100644
--- a/app/assets/javascripts/select-kit/templates/components/select-kit.hbs
+++ b/app/assets/javascripts/select-kit/templates/components/single-select.hbs
@@ -1,13 +1,10 @@
 {{component headerComponent
   tabindex=tabindex
-  shouldDisplayFilter=shouldDisplayFilter
   isFocused=isFocused
   isExpanded=isExpanded
   computedContent=headerComputedContent
   deselect=(action "deselect")
   toggle=(action "toggle")
-  isLoading=isLoading
-  filterComputedContent=(action "filterComputedContent")
   clearSelection=(action "clearSelection")
   options=headerComponentOptions
 }}
@@ -17,8 +14,9 @@
     filter=filter
     isLoading=isLoading
     icon=filterIcon
+    hasSelection=hasSelection
     shouldDisplayFilter=shouldDisplayFilter
-    placeholder=(i18n filterPlaceholder)
+    placeholder=filterPlaceholder
     isFocused=isFocused
     filterComputedContent=(action "filterComputedContent")
   }}
@@ -29,7 +27,7 @@
       hasSelection=hasSelection
       noneRowComputedContent=noneRowComputedContent
       createRowComputedContent=createRowComputedContent
-      filteredComputedContent=filteredComputedContent
+      collectionComputedContent=collectionComputedContent
       rowComponent=rowComponent
       noneRowComponent=noneRowComponent
       createRowComponent=createRowComponent
diff --git a/app/assets/javascripts/vendor.js b/app/assets/javascripts/vendor.js
index 6a7bd345eca..03accd59828 100644
--- a/app/assets/javascripts/vendor.js
+++ b/app/assets/javascripts/vendor.js
@@ -14,7 +14,6 @@
 //= require bootstrap-dropdown.js
 //= require bootstrap-modal.js
 //= require bootstrap-transition.js
-//= require select2.js
 //= require div_resizer
 //= require caret_position
 //= require favcount.js
diff --git a/app/assets/javascripts/wizard-vendor.js b/app/assets/javascripts/wizard-vendor.js
index ecb8d2bd7e0..4d07d0ceea5 100644
--- a/app/assets/javascripts/wizard-vendor.js
+++ b/app/assets/javascripts/wizard-vendor.js
@@ -1,5 +1,4 @@
 //= require template_include.js
-//= require select2.js
 //= require jquery.ui.widget.js
 //= require jquery.fileupload.js
 //= require sweetalert.js
diff --git a/app/assets/stylesheets/common.scss b/app/assets/stylesheets/common.scss
index 565e4317447..9bf58300568 100644
--- a/app/assets/stylesheets/common.scss
+++ b/app/assets/stylesheets/common.scss
@@ -3,7 +3,6 @@
 @import "vendor/pikaday";
 @import "common/foundation/helpers";
 @import "common/foundation/base";
-@import "vendor/select2";
 @import "common/foundation/mixins";
 @import "common/foundation/variables";
 @import "common/select-kit/*";
diff --git a/app/assets/stylesheets/common/admin/admin_base.scss b/app/assets/stylesheets/common/admin/admin_base.scss
index c9f786c9b1f..1b199179aae 100644
--- a/app/assets/stylesheets/common/admin/admin_base.scss
+++ b/app/assets/stylesheets/common/admin/admin_base.scss
@@ -270,7 +270,7 @@ $mobile-breakpoint: 700px;
   @include clearfix;
   nav {
     float: left;
-    margin-left: 12px;    
+    margin-left: 12px;
   }
   .nav.nav-pills {
     li.active {
@@ -493,9 +493,6 @@ $mobile-breakpoint: 700px;
           width: 100% !important; // !important overrides hard-coded mobile width of 68px
         }
       }
-      .select2-container-multi .select2-choices {
-        border: none;
-      }
     }
     .setting-controls {
       float: left;
@@ -521,13 +518,6 @@ $mobile-breakpoint: 700px;
       border-radius: 3px;
       transition: border linear 0.2s, box-shadow linear 0.2s;
 
-      li.select2-search-choice {
-        cursor: pointer;
-        .select2-search-choice-close {
-          content: "x"
-        }
-      }
-
       li.sortable-placeholder {
         padding: 3px 5px 3px 18px;
         margin: 3px 0 3px 5px;
@@ -831,14 +821,6 @@ section.details {
   .controls {
     margin-top: 10px;
   }
-  .select2-container {
-    width: 100%;
-  }
-  .select2-choices {
-    width: 100%;
-    border-color: dark-light-choose($primary-low-mid, $secondary-high);
-  }
-
   .content-list {
     margin-right: 20px;
   }
diff --git a/app/assets/stylesheets/common/admin/customize.scss b/app/assets/stylesheets/common/admin/customize.scss
index e3204d60f5b..841e4d4d991 100644
--- a/app/assets/stylesheets/common/admin/customize.scss
+++ b/app/assets/stylesheets/common/admin/customize.scss
@@ -36,7 +36,7 @@
   .admin-footer {
     margin-top: 20px;
   }
-  .select2-chosen, .color-schemes li {
+  .color-schemes li {
     .fa {
       margin-right: 6px;
       color: dark-light-choose($primary-medium, $secondary-medium);
diff --git a/app/assets/stylesheets/common/base/compose.scss b/app/assets/stylesheets/common/base/compose.scss
index 2504fbd97ac..e050f69ceff 100644
--- a/app/assets/stylesheets/common/base/compose.scss
+++ b/app/assets/stylesheets/common/base/compose.scss
@@ -229,10 +229,6 @@
       margin: 0;
       flex: 1 1 100%;
     }
-
-    &.select2-dropdown-open, &.select2-container-active {
-      border-color: $tertiary;
-    }
   }
 
   .wmd-controls {
diff --git a/app/assets/stylesheets/common/base/modal.scss b/app/assets/stylesheets/common/base/modal.scss
index 2195c8e0186..f4c70b4b193 100644
--- a/app/assets/stylesheets/common/base/modal.scss
+++ b/app/assets/stylesheets/common/base/modal.scss
@@ -88,6 +88,10 @@
 
   .select-kit {
     width: 220px;
+
+    &.tag-chooser {
+      width: 100%;
+    }
   }
 }
 
diff --git a/app/assets/stylesheets/common/base/search.scss b/app/assets/stylesheets/common/base/search.scss
index cf5b0e4b9a4..46e6bb36f62 100644
--- a/app/assets/stylesheets/common/base/search.scss
+++ b/app/assets/stylesheets/common/base/search.scss
@@ -92,7 +92,7 @@
   }
 
   .search-bar {
-    display: flex; 
+    display: flex;
     margin-bottom: 10px;
     max-width: 780px;
     input {
@@ -122,7 +122,7 @@
   position: relative;
   margin: 10px 0 15px;
   max-width: 780px;
-  border-bottom: 3px solid $primary-low; 
+  border-bottom: 3px solid $primary-low;
   width: 100%;
   .term {
     font-weight: bold;
@@ -130,7 +130,7 @@
 
   .result-count {
     float: left;
-    margin-bottom: 4px;    
+    margin-bottom: 4px;
     span {
       line-height: $line-height-large;
       height: 28px;
@@ -163,7 +163,7 @@
   max-width: 780px;
   .search-advanced-options {
     border: 1px solid $primary-low;
-    padding: 0 20px;    
+    padding: 0 20px;
     width: 100%;
     .date-picker-wrapper {
       vertical-align: top;
@@ -183,6 +183,10 @@
     font-weight: bold;
   }
 
+  .tag-chooser {
+    width: 70%;
+  }
+
   .container {
     display: flex;
     flex: 1 1 100%;
@@ -206,4 +210,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/app/assets/stylesheets/common/base/tagging.scss b/app/assets/stylesheets/common/base/tagging.scss
index 11248496fcc..eb93138ccf7 100644
--- a/app/assets/stylesheets/common/base/tagging.scss
+++ b/app/assets/stylesheets/common/base/tagging.scss
@@ -25,8 +25,8 @@
 
   .tag-count {
     font-size: $font-down-1;
-    vertical-align: middle;   
-    line-height: $line-height-small; 
+    vertical-align: middle;
+    line-height: $line-height-small;
   }
 }
 
@@ -61,7 +61,7 @@
 
     &.box, &.bullet {
     }
-    
+
     &.box + .topic-header-extra,
     &.bullet + .topic-header-extra,
     &.bar + .topic-header-extra {
@@ -69,25 +69,17 @@
   }
 }
 
-.add-tags .select2 {
-  margin: 0;
-}
-
 $tag-color: $primary-medium;
 
 .discourse-tag-count {
   font-size: $font-down-1;
   color: $tag-color;
   line-height: $line-height-small;
-  vertical-align: middle;  
-}
-
-.select2-result-label .discourse-tag {
-  margin-right: 0;
+  vertical-align: middle;
 }
 
 .discourse-tag {
-  max-width: 14em; 
+  max-width: 14em;
   display: inline-block;
   white-space: nowrap;
   overflow: hidden;
@@ -131,29 +123,13 @@ $tag-color: $primary-medium;
 }
 
 .d-header .topic-header-extra {
-  .discourse-tags { 
+  .discourse-tags {
     display: inline-block;
-    font-size: $font-down-1;        
+    font-size: $font-down-1;
   }
   .topic-featured-link { margin-left: 8px; }
 }
 
-.select2-container-multi .select2-choices .select2-search-choice.discourse-tag-select2 {
-  -webkit-box-shadow: none;
-  box-shadow: none;
-  border: 0;
-  border-radius: 0;
-  background-color: transparent;
-  .discourse-tag {
-    padding: 4px;
-    &.box {
-      padding: 1px 8px;
-      margin: 3px 5px;
-    }
-  }
-}
-
-
 .fps-result .add-full-page-tags {
   display: inline-block;
 }
@@ -213,11 +189,6 @@ header .discourse-tag {color: $tag-color }
   width: 100%;
   max-width: 100%;
   margin: 5px 0;
-  ul.select2-choices {
-    max-height: 30px;
-    padding-left: 10px;    
-    overflow-y: auto;
-  }
 }
 
 .title-wrapper .tag-chooser {
@@ -278,11 +249,7 @@ header .discourse-tag {color: $tag-color }
     }
   }
   .group-tags-list .tag-chooser {
-    height: 250px !important;
-    ul.select2-choices {
-      height: 250px !important; // to fight with select2.scss's important
-      max-height: none;
-    }
+    width: 100%;
   }
   .btn {margin-left: 10px;}
   .saving {
diff --git a/app/assets/stylesheets/common/base/topic.scss b/app/assets/stylesheets/common/base/topic.scss
index e0cfaa11e2c..0a76f198ab6 100644
--- a/app/assets/stylesheets/common/base/topic.scss
+++ b/app/assets/stylesheets/common/base/topic.scss
@@ -105,15 +105,15 @@ a.badge-category {
     .private-message-glyph {
       margin: 5px 5px 0 0;
     }
-    .category-chooser, .tag-chooser {
+    .category-chooser, .mini-tag-chooser {
       flex: 1 1 49%;
       margin: 0 0 9px 0;
       @media all and (max-width: 500px) {
-        flex: 1 1 100%;        
+        flex: 1 1 100%;
       }
-        
+
     }
-    .tag-chooser {
+    .mini-tag-chooser {
       margin-left: 2%;
       @media all and (max-width: 500px) {
         margin-left: 0;
@@ -204,7 +204,7 @@ a.badge-category {
   .post-links {
     margin-top: 1em;
     padding-top: 1em;
-    border-top: 1px solid $primary-low; 
+    border-top: 1px solid $primary-low;
     li:last-of-type {
       margin-bottom: 1em;
     }
diff --git a/app/assets/stylesheets/common/base/user.scss b/app/assets/stylesheets/common/base/user.scss
index 59c235e5be5..4fedecbc544 100644
--- a/app/assets/stylesheets/common/base/user.scss
+++ b/app/assets/stylesheets/common/base/user.scss
@@ -198,9 +198,9 @@
 
   .staff-counters {
     background: $primary;
-    color: $secondary;    
+    color: $secondary;
     display: flex;
-    padding: 10px;    
+    padding: 10px;
     > div, > div a {
       display: flex;
       align-items: baseline;
@@ -209,9 +209,9 @@
       span {
         padding: 1px 6px;
         border-radius: 10px;
-        margin-right: 5px;        
+        margin-right: 5px;
       }
-    }  
+    }
 
     a {
       color: $secondary;
@@ -404,7 +404,7 @@
     &.linked-stat { // This makes the entire "box" (the li) clickable instead of a narrow area.
       padding: 0;
       a {
-        padding: 10px 14px;        
+        padding: 10px 14px;
         width: 100%;
         height: 100%;
         display: block;
@@ -519,15 +519,6 @@
   .tag-notifications .tag-controls {
     margin-top: 24px;
   }
-
-  .tags .select2-container-multi {
-    border: 1px solid $primary-low;
-    width: 540px;
-    border-radius: 0;
-    .select2-choices {
-      border: none;
-    }
-  }
 }
 
 .paginated-topics-list {
diff --git a/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss b/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
deleted file mode 100644
index 2b72735d4ca..00000000000
--- a/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
+++ /dev/null
@@ -1,88 +0,0 @@
-// DO NOT MODIFY
-// TODO: remove when all select2 instances are gone
-.select2-results .select2-highlighted {
-  background: $highlight-medium;
-  color: $primary;
-}
-
-.select2-drop {
-  .badge-category {
-    display: inline-block;
-  }
-  .topic-count {
-    font-size: $font-down-2;
-    color: $primary;
-    display: inline-block;
-  }
-  .highlighted .topic-count, .select2-highlighted .category-desc {
-    color: $primary;
-  }
-  .category-desc {
-    color: $primary;
-    font-size: $font-down-1;
-    line-height: 16px;
-  }
-}
-
-.select2-drop {
-  background: $secondary;
-  .d-icon {
-    color: dark-light-choose($primary-medium, $secondary-medium);
-  }
-}
-
-.select2-search input {
-  background: image-url("select2.png") no-repeat 100% -22px, $secondary 0 0
-}
-
-.select2-container {
-  min-width: 200px;
-  
-  &.select2-dropdown-open {
-    border: 0;
-    margin-bottom: 2px;
-  }
-  &.select2-container-active {
-    border-color: $tertiary;
-  }
-  &.select2-container-disabled .select2-chosen {
-    color: blend-primary-secondary(50%);
-  }
-}
-
-.select2-container-multi .select2-choices .select2-search-field input.select2-active {
-  background: $secondary image-url("select2-spinner.gif") no-repeat 100% !important;
-}
-
-.select2-container-multi .select2-choices {
-  border: 1px solid $primary-medium;  
-}
-
-.select2-container a.select2-choice {
-  background: $secondary;
-  border-radius: 3px;
-  border-color: $secondary;
-  color: $primary;
-}
-
-.select2-dropdown-open a.select2-choice {
-  box-shadow: none;
-  border-radius: 3px 3px 0 0;
-  border-color: $tertiary;
-}
-.select2-drop {
-  color: $primary;
-}
-.select2-drop-active {
-  border: 1px solid $tertiary;
-  border-top: 0;
-}
-
-.select2-container-active {
-  box-shadow: shadow("focus");
-}
-
-.select2-results .select2-no-results, .select2-results .select2-searching, .select2-results .select2-selection-limit {
-  background: $secondary;
-  color: $primary;
-}
diff --git a/app/assets/stylesheets/common/select-kit/mini-tag-chooser.scss b/app/assets/stylesheets/common/select-kit/mini-tag-chooser.scss
index 362e9b187af..27c8f44fc9e 100644
--- a/app/assets/stylesheets/common/select-kit/mini-tag-chooser.scss
+++ b/app/assets/stylesheets/common/select-kit/mini-tag-chooser.scss
@@ -7,7 +7,6 @@
       &.is-expanded {
         .select-kit-header {
           border: 1px solid $tertiary;
-          box-shadow: shadow("focus");
         }
       }
 
@@ -59,7 +58,7 @@
           }
 
           .selected-tag {
-            background: $primary-very-low;
+            background: $primary-low;
             padding: 2px 4px;
             margin: 2px;
             border: 0;
diff --git a/app/assets/stylesheets/common/select-kit/multi-select.scss b/app/assets/stylesheets/common/select-kit/multi-select.scss
index db3734bfb63..91ef4c15395 100644
--- a/app/assets/stylesheets/common/select-kit/multi-select.scss
+++ b/app/assets/stylesheets/common/select-kit/multi-select.scss
@@ -17,6 +17,7 @@
 
     .select-kit-filter {
       border: 0;
+      flex: 1;
     }
 
     .multi-select-header {
@@ -79,7 +80,7 @@
         justify-content: space-between;
         flex-wrap: wrap;
         flex-direction: row;
-        margin: 2.5px;
+        margin: 2px;
       }
 
       .filter {
@@ -89,6 +90,7 @@
         min-width: 50px;
         padding: 0;
         outline: none;
+        flex: 1;
 
         .filter-input, .filter-input:focus {
           border: none;
@@ -117,17 +119,36 @@
         .color-preview {
           height: 5px;
           margin: 0 2px 2px 2px;
-          border-radius: 5px;
           display: flex;
           width: 100%;
         }
       }
 
+      .selected-category {
+        .badge-wrapper {
+          &.bullet {
+            margin-right: 2.5px;
+          }
+
+          margin: auto 2.5px;
+          padding: 2px 4px;
+          line-height: $line-height-medium;
+          display: flex;
+          flex: 1;
+          align-items: center;
+
+          &:after {
+            content: '\f00d';
+            color: $primary-low-mid;
+            font-family: 'FontAwesome';
+            font-size: $font-down-2;
+            margin-left: 5px;
+          }
+        }
+      }
+
       .selected-name {
         color: $primary;
-        border: 1px solid $primary-medium;
-        border-radius: 3px;
-        box-shadow: 0 0 2px $secondary inset, 0 1px 0 rgba(0,0,0,0.05);
         background-clip: padding-box;
         -webkit-touch-callout: none;
         user-select: none;
@@ -148,55 +169,32 @@
         }
 
         .body {
-          width: 100%;
-          display: inline-flex;
+          display: flex;
           align-items: center;
-
-          .locked-icon, .delete-icon {
-            justify-content: center;
-            align-items: center;
-            display: inline-flex;
-            height: 21px;
-            width: 21px;
-
-            .d-icon {
-              color: $primary-medium;
-              cursor: pointer;
-              font-size: 1em;
-              margin: 0;
-
-              &:hover {
-                color: $primary;
-              }
-            }
-          }
+          flex: 1;
         }
 
         .name {
-          padding: 0 5px;
+          padding: 2px 4px;
           line-height: $line-height-medium;
+
+          &:after {
+            content: '\f00d';
+            color: $primary-low-mid;
+            font-family: 'FontAwesome';
+            font-size: $font-down-2;
+          }
+
+          &:hover {
+            &:after {
+              color: $danger;
+            }
+          }
         }
 
         &.is-highlighted {
           box-shadow: 0 0 2px $danger, 0 1px 0 rgba(0,0,0,0.05);
         }
-
-        .locked-icon, .delete-icon {
-          justify-content: center;
-          align-items: center;
-          width: 21px;
-          height: 21px;
-          display: inline-flex;
-          .d-icon {
-            color: $primary-medium;
-            cursor: pointer;
-            font-size: $font-0;
-
-            &:hover {
-              color: $primary;
-            }
-          }
-        }
       }
     }
   }
diff --git a/app/assets/stylesheets/common/select-kit/select-kit.scss b/app/assets/stylesheets/common/select-kit/select-kit.scss
index b5c1597ef32..3f61e5e2609 100644
--- a/app/assets/stylesheets/common/select-kit/select-kit.scss
+++ b/app/assets/stylesheets/common/select-kit/select-kit.scss
@@ -202,6 +202,7 @@
     border-radius: inherit;
     -webkit-overflow-scrolling: touch;
     margin: 0;
+    padding: 0;
     max-height: 200px;
 
     .select-kit-collection {
diff --git a/app/assets/stylesheets/common/select-kit/tag-chooser.scss b/app/assets/stylesheets/common/select-kit/tag-chooser.scss
new file mode 100644
index 00000000000..cc51e23ef50
--- /dev/null
+++ b/app/assets/stylesheets/common/select-kit/tag-chooser.scss
@@ -0,0 +1,14 @@
+.select-kit {
+  &.multi-select {
+    &.tag-chooser {
+      .select-kit-row {
+        display: flex;
+        align-items: center;
+
+        .discourse-tag-count {
+          margin-left: 5px;
+        }
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/desktop/modal.scss b/app/assets/stylesheets/desktop/modal.scss
index 2a0fbf8d982..d52c0d48692 100644
--- a/app/assets/stylesheets/desktop/modal.scss
+++ b/app/assets/stylesheets/desktop/modal.scss
@@ -56,14 +56,6 @@
 
   .category-combobox {
     width: 430px;
-
-    .select2-drop {
-      left: -9000px;
-      width: 428px;
-    }
-    .select2-search input {
-      width: 378px;
-    }
   }
 }
 
diff --git a/app/assets/stylesheets/desktop/queued-posts.scss b/app/assets/stylesheets/desktop/queued-posts.scss
index 79cfb1f6303..b4c5ef08883 100644
--- a/app/assets/stylesheets/desktop/queued-posts.scss
+++ b/app/assets/stylesheets/desktop/queued-posts.scss
@@ -24,6 +24,15 @@
       }
     }
 
+    .tag-chooser {
+      width: 100%;
+      margin-bottom: .5em;
+
+      .select-kit-collection {
+        padding: 0;
+      }
+    }
+
     .queue-controls {
       button {
         float: left;
diff --git a/app/assets/stylesheets/desktop/topic.scss b/app/assets/stylesheets/desktop/topic.scss
index b4d33b09580..db173a36810 100644
--- a/app/assets/stylesheets/desktop/topic.scss
+++ b/app/assets/stylesheets/desktop/topic.scss
@@ -28,15 +28,12 @@
     font-size: $font-up-4;
     line-height: $line-height-medium;
     overflow: hidden;
-    width: 100%;    
+    width: 100%;
     a {color: $primary;}
   }
   .topic-statuses {
     margin-top: -2px;
   }
-  .select2-container {
-    vertical-align: middle;
-  }
   .private-message-glyph { display: none; }
   .remove-featured-link {
     float: right;
diff --git a/app/assets/stylesheets/desktop/user.scss b/app/assets/stylesheets/desktop/user.scss
index 0fb3e102f9f..d393e58994f 100644
--- a/app/assets/stylesheets/desktop/user.scss
+++ b/app/assets/stylesheets/desktop/user.scss
@@ -279,10 +279,12 @@
     width: 530px;
   }
 
+  .category-selector, .tag-chooser {
+    width: 530px;
+  }
+
   input {
-    &.category-selector,
-    &.user-selector,
-    &.tag-chooser {
+    &.user-selector {
       width: 530px;
     }
 
diff --git a/app/assets/stylesheets/mobile/topic.scss b/app/assets/stylesheets/mobile/topic.scss
index 703bba38ceb..48e682e147c 100644
--- a/app/assets/stylesheets/mobile/topic.scss
+++ b/app/assets/stylesheets/mobile/topic.scss
@@ -181,11 +181,6 @@ sup sup, sub sup, sup sub, sub sub { top: 0; }
     width: 100%;
     height: 32px;
   }
-
-  .select2-container {
-    box-sizing: border-box;
-    width: 100% !important;
-  }
   .btn-small {
     padding: 6px 12px;
     margin: 6px 6px 0 0;
diff --git a/app/assets/stylesheets/vendor/select2.scss b/app/assets/stylesheets/vendor/select2.scss
deleted file mode 100644
index 0981475b458..00000000000
--- a/app/assets/stylesheets/vendor/select2.scss
+++ /dev/null
@@ -1,575 +0,0 @@
-/*
-Version: @@ver@@ Timestamp: @@timestamp@@
-*/
-.select2-container {
-    margin: 0;
-    position: relative;
-    display: inline-block;
-    /* inline-block for ie7 */
-    zoom: 1;
-    vertical-align: middle;
-}
-
-.select2-container,
-.select2-drop,
-.select2-search,
-.select2-search input {
-  /*
-    Force border-box so that % widths fit the parent
-    container without overlap because of margin/padding.
-    More Info : http://www.quirksmode.org/css/box.html
-  */
-  -webkit-box-sizing: border-box; /* webkit */
-     -moz-box-sizing: border-box; /* firefox */
-          box-sizing: border-box; /* css3 */
-}
-
-.select2-container .select2-choice {
-    display: block;
-    height: 26px;
-    padding: 0 0 0 8px;
-    overflow: hidden;
-    position: relative;
-
-    border: 1px solid #aaa;
-    white-space: nowrap;
-    line-height: 26px;
-    color: #444;
-    text-decoration: none;
-
-    border-radius: 4px;
-
-    background-clip: padding-box;
-
-    -webkit-touch-callout: none;
-      -webkit-user-select: none;
-         -moz-user-select: none;
-          -ms-user-select: none;
-              user-select: none;
-
-    background-color: #fff;
-}
-
-.select2-container.select2-drop-above .select2-choice {
-    border-bottom-color: #aaa;
-
-    border-radius: 0 0 4px 4px;
-
-}
-
-.select2-container.select2-allowclear .select2-choice .select2-chosen {
-    margin-right: 42px;
-}
-
-.select2-container .select2-choice > .select2-chosen {
-    margin-right: 26px;
-    display: block;
-    overflow: hidden;
-
-    white-space: nowrap;
-
-    text-overflow: ellipsis;
-    float: none;
-    width: auto;
-}
-
-.select2-container .select2-choice abbr {
-    display: none;
-    width: 12px;
-    height: 12px;
-    position: absolute;
-    right: 24px;
-    top: 8px;
-
-    font-size: 1px;
-    text-decoration: none;
-
-    border: 0;
-    background: asset-url('select2.png') right top no-repeat;
-    cursor: pointer;
-    outline: 0;
-}
-
-.select2-container.select2-allowclear .select2-choice abbr {
-    display: inline-block;
-}
-
-.select2-container .select2-choice abbr:hover {
-    background-position: right -11px;
-    cursor: pointer;
-}
-
-.select2-drop-mask {
-    border: 0;
-    margin: 0;
-    padding: 0;
-    position: fixed;
-    left: 0;
-    top: 0;
-    min-height: 100%;
-    min-width: 100%;
-    height: auto;
-    width: auto;
-    opacity: 0;
-    z-index: 9998;
-    /* styles required for IE to work */
-    background-color: #fff;
-    filter: alpha(opacity=0);
-}
-
-.select2-drop {
-    width: 100%;
-    margin-top: -1px;
-    position: absolute;
-    z-index: 9999;
-    top: 100%;
-
-    background: #fff;
-    color: #000;
-    border: 1px solid #aaa;
-    border-top: 0;
-
-
-    -webkit-box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
-            box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
-}
-
-.select2-drop.select2-drop-above {
-    margin-top: 1px;
-    border-top: 1px solid #aaa;
-    border-bottom: 0;
-
-
-    -webkit-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
-            box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
-}
-
-.select2-drop-active {
-    border: 1px solid #5897fb;
-    border-top: none;
-}
-
-.select2-drop.select2-drop-above.select2-drop-active {
-    border-top: 1px solid #5897fb;
-}
-
-.select2-drop-auto-width {
-    border-top: 1px solid #aaa;
-    width: auto;
-}
-
-.select2-drop-auto-width .select2-search {
-    padding-top: 4px;
-}
-
-.select2-container .select2-choice .select2-arrow {
-    display: inline-block;
-    width: 18px;
-    height: 100%;
-    position: absolute;
-    right: 0;
-    top: 0;
-
-    border-radius: 0 4px 4px 0;
-
-    background-clip: padding-box;
-
-}
-
-.select2-container .select2-choice .select2-arrow b {
-    display: block;
-    width: 100%;
-    height: 100%;
-    background: asset-url('select2.png') no-repeat 0 1px;
-}
-
-.select2-search {
-    display: inline-block;
-    width: 100%;
-    min-height: 26px;
-    margin: 0;
-    padding-left: 4px;
-    padding-right: 4px;
-
-    position: relative;
-    z-index: 10000;
-
-    white-space: nowrap;
-}
-
-//noinspection CssOverwrittenProperties
-.select2-search input {
-    width: 100%;
-    height: auto !important;
-    min-height: 26px;
-    padding: 4px 20px 4px 5px;
-    margin: 0;
-
-    outline: 0;
-    font-family: sans-serif;
-    font-size: 1em;
-
-    border: 1px solid #aaa;
-    border-radius: 0;
-
-    -webkit-box-shadow: none;
-            box-shadow: none;
-
-    background: #fff asset-url('select2.png') no-repeat 100% -22px;
-    background: asset-url('select2.png') no-repeat 100% -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
-    background: asset-url('select2.png') no-repeat 100% -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
-    background: asset-url('select2.png') no-repeat 100% -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
-    background: asset-url('select2.png') no-repeat 100% -22px, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
-}
-
-.select2-drop.select2-drop-above .select2-search input {
-    margin-top: 4px;
-}
-
-//noinspection CssOverwrittenProperties
-.select2-search input.select2-active {
-    background: #fff asset-url('select2-spinner.gif') no-repeat 100%;
-    background: asset-url('select2-spinner.gif') no-repeat 100%, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
-    background: asset-url('select2-spinner.gif') no-repeat 100%, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
-    background: asset-url('select2-spinner.gif') no-repeat 100%, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
-    background: asset-url('select2-spinner.gif') no-repeat 100%, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
-}
-
-.select2-container-active .select2-choice,
-.select2-container-active .select2-choices {
-    border: 1px solid #5897fb;
-    outline: none;
-
-    -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
-            box-shadow: 0 0 5px rgba(0, 0, 0, .3);
-}
-
-.select2-dropdown-open .select2-choice {
-    border-bottom-color: transparent;
-    -webkit-box-shadow: 0 1px 0 #fff inset;
-            box-shadow: 0 1px 0 #fff inset;
-
-    border-bottom-left-radius: 0;
-    border-bottom-right-radius: 0;
-
-    background-color: #eee;
-}
-
-.select2-dropdown-open.select2-drop-above .select2-choice,
-.select2-dropdown-open.select2-drop-above .select2-choices {
-    border: 1px solid #5897fb;
-    border-top-color: transparent;
-}
-
-.select2-dropdown-open .select2-choice .select2-arrow {
-    background: transparent;
-    border-left: none;
-    filter: none;
-}
-.select2-dropdown-open .select2-choice .select2-arrow b {
-    background-position: -18px 1px;
-}
-
-.select2-hidden-accessible {
-    border: 0;
-    clip: rect(0 0 0 0);
-    height: 1px;
-    margin: -1px;
-    overflow: hidden;
-    padding: 0;
-    position: absolute;
-    width: 1px;
-}
-
-/* results */
-.select2-results {
-    max-height: 200px;
-    padding: 0 0 0 4px;
-    margin: 4px 4px 4px 0;
-    position: relative;
-    overflow-x: hidden;
-    overflow-y: auto;
-    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
-}
-
-.select2-results ul.select2-result-sub {
-    margin: 0;
-    padding-left: 0;
-}
-
-.select2-results li {
-    list-style: none;
-    display: list-item;
-    background-image: none;
-}
-
-.select2-results li.select2-result-with-children > .select2-result-label {
-    font-weight: bold;
-}
-
-.select2-results .select2-result-label {
-    padding: 3px 7px 4px;
-    margin: 0;
-    cursor: pointer;
-
-    min-height: 1em;
-
-    -webkit-touch-callout: none;
-      -webkit-user-select: none;
-         -moz-user-select: none;
-          -ms-user-select: none;
-              user-select: none;
-}
-
-.select2-results-dept-1 .select2-result-label { padding-left: 20px }
-.select2-results-dept-2 .select2-result-label { padding-left: 40px }
-.select2-results-dept-3 .select2-result-label { padding-left: 60px }
-.select2-results-dept-4 .select2-result-label { padding-left: 80px }
-.select2-results-dept-5 .select2-result-label { padding-left: 100px }
-.select2-results-dept-6 .select2-result-label { padding-left: 110px }
-.select2-results-dept-7 .select2-result-label { padding-left: 120px }
-
-.select2-results li em {
-    background: #feffde;
-    font-style: normal;
-}
-
-.select2-results .select2-highlighted em {
-    background: transparent;
-}
-
-.select2-results .select2-highlighted ul {
-    background: #fff;
-    color: #000;
-}
-
-
-.select2-results .select2-no-results,
-.select2-results .select2-searching,
-.select2-results .select2-selection-limit {
-    background: #f4f4f4;
-    display: list-item;
-    padding-left: 5px;
-}
-
-/*
-disabled look for disabled choices in the results dropdown
-*/
-.select2-results .select2-disabled.select2-highlighted {
-    color: #666;
-    background: #f4f4f4;
-    display: list-item;
-    cursor: default;
-}
-.select2-results .select2-disabled {
-  background: #f4f4f4;
-  display: list-item;
-  cursor: default;
-}
-
-.select2-results .select2-selected {
-    display: none;
-}
-
-.select2-more-results.select2-active {
-    background: #f4f4f4 asset-url('select2-spinner.gif') no-repeat 100%;
-}
-
-.select2-more-results {
-    background: #f4f4f4;
-    display: list-item;
-}
-
-/* disabled styles */
-
-.select2-container.select2-container-disabled .select2-choice {
-  background: #f4f4f4 none;
-  border: 1px solid #ddd;
-  cursor: default;
-}
-
-.select2-container.select2-container-disabled .select2-choice .select2-arrow {
-  background: #f4f4f4 none;
-  border-left: 0;
-}
-
-.select2-container.select2-container-disabled .select2-choice abbr {
-    display: none;
-}
-
-
-/* multiselect */
-
-.select2-container-multi .select2-choices {
-    height: auto !important;
-    margin: 0;
-    padding: 0 5px 0 0;
-    position: relative;
-    cursor: text;
-    overflow: hidden;
-}
-
-.select2-locked {
-  padding: 3px 5px 3px 5px !important;
-}
-
-.select2-container-multi .select2-choices {
-    min-height: 26px;
-}
-
-.select2-container-multi.select2-container-active .select2-choices {
-    border: 1px solid #5897fb;
-    outline: none;
-
-    -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
-            box-shadow: 0 0 5px rgba(0, 0, 0, .3);
-}
-.select2-container-multi .select2-choices li {
-    float: left;
-    list-style: none;
-}
-html[dir="rtl"] .select2-container-multi .select2-choices li
-{
-    float: right;
-}
-.select2-container-multi .select2-choices .select2-search-field {
-    margin: 0;
-    padding: 0;
-    white-space: nowrap;
-}
-
-.select2-container-multi .select2-choices .select2-search-field input {
-    padding-left: 0;
-    font-family: sans-serif;
-    font-size: 1em;
-    color: #666;
-    outline: 0;
-    border: 0;
-    margin-bottom: 0;
-    -webkit-box-shadow: none;
-            box-shadow: none;
-    background: transparent !important;
-}
-
-.select2-container-multi .select2-choices .select2-search-field input.select2-active {
-    background: #fff asset-url('select2-spinner.gif') no-repeat 100% !important;
-}
-
-.select2-default {
-    color: #999 !important;
-}
-
-.select2-container-multi .select2-choices .select2-search-choice {
-    padding: 0 0 0 12px;
-    margin: 0;
-    position: relative;
-
-    color: #333;
-    cursor: default;
-    border: 1px solid #aaaaaa;
-
-    border-radius: 3px;
-
-    -webkit-box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
-            box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
-
-    background-clip: padding-box;
-
-    -webkit-touch-callout: none;
-      -webkit-user-select: none;
-         -moz-user-select: none;
-          -ms-user-select: none;
-              user-select: none;
-
-    background-color: #e4e4e4;
-}
-html[dir="rtl"] .select2-container-multi .select2-choices .select2-search-choice
-{
-    margin-left: 0;
-    margin-right: 5px;
-}
-.select2-container-multi .select2-choices .select2-search-choice .select2-chosen {
-    cursor: default;
-}
-.select2-container-multi .select2-choices .select2-search-choice-focus {
-    background: #d4d4d4;
-}
-
-.select2-search-choice-close {
-    display: block;
-    width: 12px;
-    height: 13px;
-    position: absolute;
-    right: 3px;
-    top: 8px;
-
-    font-size: 1px;
-    outline: none;
-    background: asset-url('select2.png') right top no-repeat;
-}
-html[dir="rtl"] .select2-search-choice-close {
-    right: auto;
-    left: 3px;
-}
-
-.select2-container-multi .select2-search-choice-close {
-    left: 3px;
-}
-
-.select2-container-multi .select2-choices .select2-search-choice .select2-search-choice-close:hover {
-  background-position: right -11px;
-}
-.select2-container-multi .select2-choices .select2-search-choice-focus .select2-search-choice-close {
-    background-position: right -11px;
-}
-
-/* disabled styles */
-.select2-container-multi.select2-container-disabled .select2-choices {
-  background: #f4f4f4 none;
-  border: 1px solid #ddd;
-  cursor: default;
-}
-
-.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice {
-  padding: 3px 5px 3px 5px;
-  border: 1px solid #ddd;
-  background: #f4f4f4 none;
-}
-
-.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice .select2-search-choice-close {    display: none;
-    background: none;
-}
-/* end multiselect */
-
-
-.select2-result-selectable .select2-match,
-.select2-result-unselectable .select2-match {
-    text-decoration: underline;
-}
-
-.select2-offscreen, .select2-offscreen:focus {
-    clip: rect(0 0 0 0) !important;
-    width: 1px !important;
-    height: 1px !important;
-    border: 0 !important;
-    margin: 0 !important;
-    padding: 0 !important;
-    overflow: hidden !important;
-    position: absolute !important;
-    outline: 0 !important;
-    left: 0 !important;
-    top: 0 !important;
-}
-
-.select2-display-none {
-    display: none;
-}
-
-.select2-measure-scrollbar {
-    position: absolute;
-    top: -10000px;
-    left: -10000px;
-    width: 100px;
-    height: 100px;
-    overflow: scroll;
-}
diff --git a/app/assets/stylesheets/wizard.scss b/app/assets/stylesheets/wizard.scss
index 821c8e86895..0fa4c95008c 100644
--- a/app/assets/stylesheets/wizard.scss
+++ b/app/assets/stylesheets/wizard.scss
@@ -1,6 +1,5 @@
 @import "vendor/normalize";
 @import "vendor/font_awesome/font-awesome";
-@import "vendor/select2";
 @import "vendor/sweetalert";
 @import "common/foundation/colors";
 @import "common/foundation/variables";
@@ -63,9 +62,6 @@ body.wizard {
 .select {
   width: 400px;
 }
-.select2-results .select2-highlighted {
-  background: #ff9;
-}
 
 .wizard-canvas {
   position: absolute;
@@ -484,7 +480,6 @@ body.wizard {
   .wizard-column { margin: auto !important; }
   .wizard-step-contents { min-height: auto !important; }
   .wizard-step-banner { width: 100% !important; margin-bottom: 1em !important; }
-  .select2-container { width: 100% !important; }
   .wizard-step-footer { display: block !important; }
   .wizard-progress { margin-bottom: 10px !important; }
   .wizard-buttons { text-align: right !important; }
diff --git a/app/views/finish_installation/register.html.erb b/app/views/finish_installation/register.html.erb
index 8fa60e3e380..cf6457da3d2 100644
--- a/app/views/finish_installation/register.html.erb
+++ b/app/views/finish_installation/register.html.erb
@@ -51,9 +51,3 @@
 <%- else -%>
   <p><%= raw(t 'finish_installation.register.no_emails') %></p>
 <%- end %>
-
-<script>
-  (function() {
-    $('select').select2({ width: '400px' });
-  })();
-</script>
diff --git a/test/javascripts/acceptance/search-full-test.js.es6 b/test/javascripts/acceptance/search-full-test.js.es6
index dba53a92525..8027f64823b 100644
--- a/test/javascripts/acceptance/search-full-test.js.es6
+++ b/test/javascripts/acceptance/search-full-test.js.es6
@@ -75,30 +75,6 @@ QUnit.test("open advanced search", assert => {
   andThen(() => assert.ok(visible('.search-advanced .search-advanced-options'), '"search-advanced-options" is visible'));
 });
 
-// these tests are screwy with the runloop
-
-// test("validate population of advanced search", assert => {
-//   visit("/search");
-//   fillIn('.search input.full-page-search', 'test user:admin #bug group:moderators badge:Reader tags:monkey in:likes in:private in:wiki in:bookmarks status:open after:2016-10-05 min_post_count:10');
-//   click('.search-advanced-btn');
-//
-//   andThen(() => {
-//     assert.ok(exists('.search-advanced-options span:contains("admin")'), 'has "admin" pre-populated');
-//     assert.ok(exists('.search-advanced-options .badge-category:contains("bug")'), 'has "bug" pre-populated');
-//     //assert.ok(exists('.search-advanced-options span:contains("moderators")'), 'has "moderators" pre-populated');
-//     //assert.ok(exists('.search-advanced-options span:contains("Reader")'), 'has "Reader" pre-populated');
-//     assert.ok(exists('.search-advanced-options .tag-chooser .tag-monkey'), 'has "monkey" pre-populated');
-//     assert.ok(exists('.search-advanced-options .in-likes:checked'), 'has "I liked" pre-populated');
-//     assert.ok(exists('.search-advanced-options .in-private:checked'), 'has "are in my messages" pre-populated');
-//     assert.ok(exists('.search-advanced-options .in-wiki:checked'), 'has "are wiki" pre-populated');
-//     assert.ok(exists('.search-advanced-options .combobox .select2-choice .select2-chosen:contains("I\'ve bookmarked")'), 'has "I\'ve bookmarked" pre-populated');
-//     assert.ok(exists('.search-advanced-options .combobox .select2-choice .select2-chosen:contains("are open")'), 'has "are open" pre-populated');
-//     assert.ok(exists('.search-advanced-options .combobox .select2-choice .select2-chosen:contains("after")'), 'has "after" pre-populated');
-//     assert.equal(find('.search-advanced-options #search-post-date').val(), "2016-10-05", 'has "2016-10-05" pre-populated');
-//     assert.equal(find('.search-advanced-options #search-min-post-count').val(), "10", 'has "10" pre-populated');
-//   });
-// });
-
 QUnit.test("escape search term", (assert) => {
   visit("/search");
   fillIn('.search input.full-page-search', '@<script>prompt(1337)</script>gmail.com');
diff --git a/vendor/assets/javascripts/select2.js b/vendor/assets/javascripts/select2.js
deleted file mode 100644
index 195ccee5bb0..00000000000
--- a/vendor/assets/javascripts/select2.js
+++ /dev/null
@@ -1,3729 +0,0 @@
-/*
-Copyright 2012 Igor Vaynberg
-
-Version: 3.5.4 Timestamp: Sun Aug 30 13:30:32 EDT 2015
-
-This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
-General Public License version 2 (the "GPL License"). You may choose either license to govern your
-use of this software only upon the condition that you accept all of the terms of either the Apache
-License or the GPL License.
-
-You may obtain a copy of the Apache License and the GPL License at:
-
-    http://www.apache.org/licenses/LICENSE-2.0
-    http://www.gnu.org/licenses/gpl-2.0.html
-
-Unless required by applicable law or agreed to in writing, software distributed under the
-Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
-the specific language governing permissions and limitations under the Apache License and the GPL License.
-*/
-(function ($) {
-    if(typeof $.fn.each2 == "undefined") {
-        $.extend($.fn, {
-            /*
-            * 4-10 times faster .each replacement
-            * use it carefully, as it overrides jQuery context of element on each iteration
-            */
-            each2 : function (c) {
-                var j = $([0]), i = -1, l = this.length;
-                while (
-                    ++i < l
-                    && (j.context = j[0] = this[i])
-                    && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
-                );
-                return this;
-            }
-        });
-    }
-})(jQuery);
-
-(function ($, undefined) {
-    "use strict";
-    /*global document, window, jQuery, console */
-
-    if (window.Select2 !== undefined) {
-        return;
-    }
-
-    var AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
-        lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
-
-    KEY = {
-        TAB: 9,
-        ENTER: 13,
-        ESC: 27,
-        SPACE: 32,
-        LEFT: 37,
-        UP: 38,
-        RIGHT: 39,
-        DOWN: 40,
-        SHIFT: 16,
-        CTRL: 17,
-        ALT: 18,
-        PAGE_UP: 33,
-        PAGE_DOWN: 34,
-        HOME: 36,
-        END: 35,
-        BACKSPACE: 8,
-        DELETE: 46,
-        isArrow: function (k) {
-            k = k.which ? k.which : k;
-            switch (k) {
-            case KEY.LEFT:
-            case KEY.RIGHT:
-            case KEY.UP:
-            case KEY.DOWN:
-                return true;
-            }
-            return false;
-        },
-        isControl: function (e) {
-            var k = e.which;
-            switch (k) {
-            case KEY.SHIFT:
-            case KEY.CTRL:
-            case KEY.ALT:
-                return true;
-            }
-
-            if (e.metaKey) return true;
-
-            return false;
-        },
-        isFunctionKey: function (k) {
-            k = k.which ? k.which : k;
-            return k >= 112 && k <= 123;
-        }
-    },
-    MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
-
-    DIACRITICS = 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-
-    $document = $(document);
-
-    nextUid=(function() { var counter=1; return function() { return counter++; }; }());
-
-
-    function reinsertElement(element) {
-        var placeholder = $(document.createTextNode(''));
-
-        element.before(placeholder);
-        placeholder.before(element);
-        placeholder.remove();
-    }
-
-    function stripDiacritics(str) {
-        // Used 'uni range + named function' from http://jsperf.com/diacritics/18
-        function match(a) {
-            return DIACRITICS[a] || a;
-        }
-
-        return str.replace(/[^\u0000-\u007E]/g, match);
-    }
-
-    function indexOf(value, array) {
-        var i = 0, l = array.length;
-        for (; i < l; i = i + 1) {
-            if (equal(value, array[i])) return i;
-        }
-        return -1;
-    }
-
-    function measureScrollbar () {
-        var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
-        $template.appendTo(document.body);
-
-        var dim = {
-            width: $template.width() - $template[0].clientWidth,
-            height: $template.height() - $template[0].clientHeight
-        };
-        $template.remove();
-
-        return dim;
-    }
-
-    /**
-     * Compares equality of a and b
-     * @param a
-     * @param b
-     */
-    function equal(a, b) {
-        if (a === b) return true;
-        if (a === undefined || b === undefined) return false;
-        if (a === null || b === null) return false;
-        // Check whether 'a' or 'b' is a string (primitive or object).
-        // The concatenation of an empty string (+'') converts its argument to a string's primitive.
-        if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
-        if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
-        return false;
-    }
-
-    /**
-     * Splits the string into an array of values, transforming each value. An empty array is returned for nulls or empty
-     * strings
-     * @param string
-     * @param separator
-     */
-    function splitVal(string, separator, transform) {
-        var val, i, l;
-        if (string === null || string.length < 1) return [];
-        val = string.split(separator);
-        for (i = 0, l = val.length; i < l; i = i + 1) val[i] = transform(val[i]);
-        return val;
-    }
-
-    function getSideBorderPadding(element) {
-        return element.outerWidth(false) - element.width();
-    }
-
-    function installKeyUpChangeEvent(element) {
-        var key="keyup-change-value";
-        element.on("keydown", function () {
-            if ($.data(element, key) === undefined) {
-                $.data(element, key, element.val());
-            }
-        });
-        element.on("keyup", function () {
-            var val= $.data(element, key);
-            if (val !== undefined && element.val() !== val) {
-                $.removeData(element, key);
-                element.trigger("keyup-change");
-            }
-        });
-    }
-
-
-    /**
-     * filters mouse events so an event is fired only if the mouse moved.
-     *
-     * filters out mouse events that occur when mouse is stationary but
-     * the elements under the pointer are scrolled.
-     */
-    function installFilteredMouseMove(element) {
-        element.on("mousemove", function (e) {
-            var lastpos = lastMousePosition;
-            if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
-                $(e.target).trigger("mousemove-filtered", e);
-            }
-        });
-    }
-
-    /**
-     * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
-     * within the last quietMillis milliseconds.
-     *
-     * @param quietMillis number of milliseconds to wait before invoking fn
-     * @param fn function to be debounced
-     * @param ctx object to be used as this reference within fn
-     * @return debounced version of fn
-     */
-    function debounce(quietMillis, fn, ctx) {
-        ctx = ctx || undefined;
-        var timeout;
-        return function () {
-            var args = arguments;
-            window.clearTimeout(timeout);
-            timeout = window.setTimeout(function() {
-                fn.apply(ctx, args);
-            }, quietMillis);
-        };
-    }
-
-    function installDebouncedScroll(threshold, element) {
-        var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
-        element.on("scroll", function (e) {
-            if (indexOf(e.target, element.get()) >= 0) notify(e);
-        });
-    }
-
-    function focus($el) {
-        if ($el[0] === document.activeElement) return;
-
-        /* set the focus in a 0 timeout - that way the focus is set after the processing
-            of the current event has finished - which seems like the only reliable way
-            to set focus */
-        window.setTimeout(function() {
-            var el=$el[0], pos=$el.val().length, range;
-
-            $el.focus();
-
-            /* make sure el received focus so we do not error out when trying to manipulate the caret.
-                sometimes modals or others listeners may steal it after its set */
-            var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
-            if (isVisible && el === document.activeElement) {
-
-                /* after the focus is set move the caret to the end, necessary when we val()
-                    just before setting focus */
-                if(el.setSelectionRange)
-                {
-                    el.setSelectionRange(pos, pos);
-                }
-                else if (el.createTextRange) {
-                    range = el.createTextRange();
-                    range.collapse(false);
-                    range.select();
-                }
-            }
-        }, 0);
-    }
-
-    function getCursorInfo(el) {
-        el = $(el)[0];
-        var offset = 0;
-        var length = 0;
-        if ('selectionStart' in el) {
-            offset = el.selectionStart;
-            length = el.selectionEnd - offset;
-        } else if ('selection' in document) {
-            el.focus();
-            var sel = document.selection.createRange();
-            length = document.selection.createRange().text.length;
-            sel.moveStart('character', -el.value.length);
-            offset = sel.text.length - length;
-        }
-        return { offset: offset, length: length };
-    }
-
-    function killEvent(event) {
-        event.preventDefault();
-        event.stopPropagation();
-    }
-    function killEventImmediately(event) {
-        event.preventDefault();
-        event.stopImmediatePropagation();
-    }
-
-    function measureTextWidth(e) {
-        if (!sizer){
-            var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
-            sizer = $(document.createElement("div")).css({
-                position: "absolute",
-                left: "-10000px",
-                top: "-10000px",
-                display: "none",
-                fontSize: style.fontSize,
-                fontFamily: style.fontFamily,
-                fontStyle: style.fontStyle,
-                fontWeight: style.fontWeight,
-                letterSpacing: style.letterSpacing,
-                textTransform: style.textTransform,
-                whiteSpace: "nowrap"
-            });
-            sizer.attr("class","select2-sizer");
-            $(document.body).append(sizer);
-        }
-        sizer.text(e.val());
-        return sizer.width();
-    }
-
-    function syncCssClasses(dest, src, adapter) {
-        var classes, replacements = [], adapted;
-
-        classes = $.trim(dest.attr("class"));
-
-        if (classes) {
-            classes = '' + classes; // for IE which returns object
-
-            $(classes.split(/\s+/)).each2(function() {
-                if (this.indexOf("select2-") === 0) {
-                    replacements.push(this);
-                }
-            });
-        }
-
-        classes = $.trim(src.attr("class"));
-
-        if (classes) {
-            classes = '' + classes; // for IE which returns object
-
-            $(classes.split(/\s+/)).each2(function() {
-                if (this.indexOf("select2-") !== 0) {
-                    adapted = adapter(this);
-
-                    if (adapted) {
-                        replacements.push(adapted);
-                    }
-                }
-            });
-        }
-
-        dest.attr("class", replacements.join(" "));
-    }
-
-
-    function markMatch(text, term, markup, escapeMarkup) {
-        var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
-            tl=term.length;
-
-        if (match<0) {
-            markup.push(escapeMarkup(text));
-            return;
-        }
-
-        markup.push(escapeMarkup(text.substring(0, match)));
-        markup.push("<span class='select2-match'>");
-        markup.push(escapeMarkup(text.substring(match, match + tl)));
-        markup.push("</span>");
-        markup.push(escapeMarkup(text.substring(match + tl, text.length)));
-    }
-
-    function defaultEscapeMarkup(markup) {
-        var replace_map = {
-            '\\': '&#92;',
-            '&': '&amp;',
-            '<': '&lt;',
-            '>': '&gt;',
-            '"': '&quot;',
-            "'": '&#39;',
-            "/": '&#47;'
-        };
-
-        return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
-            return replace_map[match];
-        });
-    }
-
-    /**
-     * Produces an ajax-based query function
-     *
-     * @param options object containing configuration parameters
-     * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
-     * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
-     * @param options.url url for the data
-     * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
-     * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
-     * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
-     * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2.
-     *      The expected format is an object containing the following keys:
-     *      results array of objects that will be used as choices
-     *      more (optional) boolean indicating whether there are more results available
-     *      Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
-     */
-    function ajax(options) {
-        var timeout, // current scheduled but not yet executed request
-            handler = null,
-            quietMillis = options.quietMillis || 100,
-            ajaxUrl = options.url,
-            self = this;
-
-        return function (query) {
-            window.clearTimeout(timeout);
-            timeout = window.setTimeout(function () {
-                var data = options.data, // ajax data function
-                    url = ajaxUrl, // ajax url string or function
-                    transport = options.transport || $.fn.select2.ajaxDefaults.transport,
-                    // deprecated - to be removed in 4.0  - use params instead
-                    deprecated = {
-                        type: options.type || 'GET', // set type of request (GET or POST)
-                        cache: options.cache || false,
-                        jsonpCallback: options.jsonpCallback||undefined,
-                        dataType: options.dataType||"json"
-                    },
-                    params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
-
-                data = data ? data.call(self, query.term, query.page, query.context) : null;
-                url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
-
-                if (handler && typeof handler.abort === "function") { handler.abort(); }
-
-                if (options.params) {
-                    if ($.isFunction(options.params)) {
-                        $.extend(params, options.params.call(self));
-                    } else {
-                        $.extend(params, options.params);
-                    }
-                }
-
-                $.extend(params, {
-                    url: url,
-                    dataType: options.dataType,
-                    data: data,
-                    success: function (data) {
-                        // TODO - replace query.page with query so users have access to term, page, etc.
-                        // added query as third paramter to keep backwards compatibility
-                        var results = options.results(data, query.page, query);
-                        query.callback(results);
-                    },
-                    error: function(jqXHR, textStatus, errorThrown){
-                        var results = {
-                            hasError: true,
-                            jqXHR: jqXHR,
-                            textStatus: textStatus,
-                            errorThrown: errorThrown
-                        };
-
-                        query.callback(results);
-                    }
-                });
-                handler = transport.call(self, params);
-            }, quietMillis);
-        };
-    }
-
-    /**
-     * Produces a query function that works with a local array
-     *
-     * @param options object containing configuration parameters. The options parameter can either be an array or an
-     * object.
-     *
-     * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
-     *
-     * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
-     * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
-     * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
-     * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
-     * the text.
-     */
-    function local(options) {
-        var data = options, // data elements
-            dataText,
-            tmp,
-            text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
-
-         if ($.isArray(data)) {
-            tmp = data;
-            data = { results: tmp };
-        }
-
-         if ($.isFunction(data) === false) {
-            tmp = data;
-            data = function() { return tmp; };
-        }
-
-        var dataItem = data();
-        if (dataItem.text) {
-            text = dataItem.text;
-            // if text is not a function we assume it to be a key name
-            if (!$.isFunction(text)) {
-                dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
-                text = function (item) { return item[dataText]; };
-            }
-        }
-
-        return function (query) {
-            var t = query.term, filtered = { results: [] }, process;
-            if (t === "") {
-                query.callback(data());
-                return;
-            }
-
-            process = function(datum, collection) {
-                var group, attr;
-                datum = datum[0];
-                if (datum.children) {
-                    group = {};
-                    for (attr in datum) {
-                        if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
-                    }
-                    group.children=[];
-                    $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
-                    if (group.children.length || query.matcher(t, text(group), datum)) {
-                        collection.push(group);
-                    }
-                } else {
-                    if (query.matcher(t, text(datum), datum)) {
-                        collection.push(datum);
-                    }
-                }
-            };
-
-            $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
-            query.callback(filtered);
-        };
-    }
-
-    // TODO javadoc
-    function tags(data) {
-        var isFunc = $.isFunction(data);
-        return function (query) {
-            var t = query.term, filtered = {results: []};
-            var result = isFunc ? data(query) : data;
-            if ($.isArray(result)) {
-                $(result).each(function () {
-                    var isObject = this.text !== undefined,
-                        text = isObject ? this.text : this;
-                    if (t === "" || query.matcher(t, text)) {
-                        filtered.results.push(isObject ? this : {id: this, text: this});
-                    }
-                });
-                query.callback(filtered);
-            }
-        };
-    }
-
-    /**
-     * Checks if the formatter function should be used.
-     *
-     * Throws an error if it is not a function. Returns true if it should be used,
-     * false if no formatting should be performed.
-     *
-     * @param formatter
-     */
-    function checkFormatter(formatter, formatterName) {
-        if ($.isFunction(formatter)) return true;
-        if (!formatter) return false;
-        if (typeof(formatter) === 'string') return true;
-        throw new Error(formatterName +" must be a string, function, or falsy value");
-    }
-
-  /**
-   * Returns a given value
-   * If given a function, returns its output
-   *
-   * @param val string|function
-   * @param context value of "this" to be passed to function
-   * @returns {*}
-   */
-    function evaluate(val, context) {
-        if ($.isFunction(val)) {
-            var args = Array.prototype.slice.call(arguments, 2);
-            return val.apply(context, args);
-        }
-        return val;
-    }
-
-    function countResults(results) {
-        var count = 0;
-        $.each(results, function(i, item) {
-            if (item.children) {
-                count += countResults(item.children);
-            } else {
-                count++;
-            }
-        });
-        return count;
-    }
-
-    /**
-     * Default tokenizer. This function uses breaks the input on substring match of any string from the
-     * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
-     * two options have to be defined in order for the tokenizer to work.
-     *
-     * @param input text user has typed so far or pasted into the search field
-     * @param selection currently selected choices
-     * @param selectCallback function(choice) callback tho add the choice to selection
-     * @param opts select2's opts
-     * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
-     */
-    function defaultTokenizer(input, selection, selectCallback, opts) {
-        var original = input, // store the original so we can compare and know if we need to tell the search to update its text
-            dupe = false, // check for whether a token we extracted represents a duplicate selected choice
-            token, // token
-            index, // position at which the separator was found
-            i, l, // looping variables
-            separator; // the matched separator
-
-        if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
-
-        while (true) {
-            index = -1;
-
-            for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
-                separator = opts.tokenSeparators[i];
-                index = input.indexOf(separator);
-                if (index >= 0) break;
-            }
-
-            if (index < 0) break; // did not find any token separator in the input string, bail
-
-            token = input.substring(0, index);
-            input = input.substring(index + separator.length);
-
-            if (token.length > 0) {
-                token = opts.createSearchChoice.call(this, token, selection);
-                if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
-                    dupe = false;
-                    for (i = 0, l = selection.length; i < l; i++) {
-                        if (equal(opts.id(token), opts.id(selection[i]))) {
-                            dupe = true; break;
-                        }
-                    }
-
-                    if (!dupe) selectCallback(token);
-                }
-            }
-        }
-
-        if (original!==input) return input;
-    }
-
-    function cleanupJQueryElements() {
-        var self = this;
-
-        $.each(arguments, function (i, element) {
-            self[element].remove();
-            self[element] = null;
-        });
-    }
-
-    /**
-     * Creates a new class
-     *
-     * @param superClass
-     * @param methods
-     */
-    function clazz(SuperClass, methods) {
-        var constructor = function () {};
-        constructor.prototype = new SuperClass;
-        constructor.prototype.constructor = constructor;
-        constructor.prototype.parent = SuperClass.prototype;
-        constructor.prototype = $.extend(constructor.prototype, methods);
-        return constructor;
-    }
-
-    AbstractSelect2 = clazz(Object, {
-
-        // abstract
-        bind: function (func) {
-            var self = this;
-            return function () {
-                func.apply(self, arguments);
-            };
-        },
-
-        // abstract
-        init: function (opts) {
-            var results, search, resultsSelector = ".select2-results";
-
-            // prepare options
-            this.opts = opts = this.prepareOpts(opts);
-
-            this.id=opts.id;
-
-            // destroy if called on an existing component
-            if (opts.element.data("select2") !== undefined &&
-                opts.element.data("select2") !== null) {
-                opts.element.data("select2").destroy();
-            }
-
-            this.container = this.createContainer();
-
-            this.liveRegion = $('.select2-hidden-accessible');
-            if (this.liveRegion.length == 0) {
-                this.liveRegion = $("<span>", {
-                        role: "status",
-                        "aria-live": "polite"
-                    })
-                    .addClass("select2-hidden-accessible")
-                    .appendTo(document.body);
-            }
-
-            this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
-            this.containerEventName= this.containerId
-                .replace(/([.])/g, '_')
-                .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
-            this.container.attr("id", this.containerId);
-
-            this.container.attr("title", opts.element.attr("title"));
-
-            this.body = $(document.body);
-
-            syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
-
-            this.container.attr("style", opts.element.attr("style"));
-            this.container.css(evaluate(opts.containerCss, this.opts.element));
-            this.container.addClass(evaluate(opts.containerCssClass, this.opts.element));
-
-            this.elementTabIndex = this.opts.element.attr("tabindex");
-
-            // swap container for the element
-            this.opts.element
-                .data("select2", this)
-                .attr("tabindex", "-1")
-                .before(this.container)
-                .on("click.select2", killEvent); // do not leak click events
-
-            this.container.data("select2", this);
-
-            this.dropdown = this.container.find(".select2-drop");
-
-            syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
-
-            this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
-            this.dropdown.data("select2", this);
-            this.dropdown.on("click", killEvent);
-
-            this.results = results = this.container.find(resultsSelector);
-            this.search = search = this.container.find("input.select2-input");
-
-            this.queryCount = 0;
-            this.resultsPage = 0;
-            this.context = null;
-
-            // initialize the container
-            this.initContainer();
-
-            this.container.on("click", killEvent);
-
-            installFilteredMouseMove(this.results);
-
-            this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
-            this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
-                this._touchEvent = true;
-                this.highlightUnderEvent(event);
-            }));
-            this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
-            this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
-
-            // Waiting for a click event on touch devices to select option and hide dropdown
-            // otherwise click will be triggered on an underlying element
-            this.dropdown.on('click', this.bind(function (event) {
-                if (this._touchEvent) {
-                    this._touchEvent = false;
-                    this.selectHighlighted();
-                }
-            }));
-
-            installDebouncedScroll(80, this.results);
-            this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
-
-            // do not propagate change event from the search field out of the component
-            $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
-            $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
-
-            // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
-            if ($.fn.mousewheel) {
-                results.mousewheel(function (e, delta, deltaX, deltaY) {
-                    var top = results.scrollTop();
-                    if (deltaY > 0 && top - deltaY <= 0) {
-                        results.scrollTop(0);
-                        killEvent(e);
-                    } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
-                        results.scrollTop(results.get(0).scrollHeight - results.height());
-                        killEvent(e);
-                    }
-                });
-            }
-
-            installKeyUpChangeEvent(search);
-            search.on("keyup-change input paste", this.bind(this.updateResults));
-            search.on("focus", function () { search.addClass("select2-focused"); });
-            search.on("blur", function () { search.removeClass("select2-focused");});
-
-            this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
-                if ($(e.target).closest(".select2-result-selectable").length > 0) {
-                    this.highlightUnderEvent(e);
-                    this.selectHighlighted(e);
-                }
-            }));
-
-            // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
-            // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
-            // dom it will trigger the popup close, which is not what we want
-            // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
-            this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
-
-            this.lastSearchTerm = undefined;
-
-            if ($.isFunction(this.opts.initSelection)) {
-                // initialize selection based on the current value of the source element
-                this.initSelection();
-
-                // if the user has provided a function that can set selection based on the value of the source element
-                // we monitor the change event on the element and trigger it, allowing for two way synchronization
-                this.monitorSource();
-            }
-
-            if (opts.maximumInputLength !== null) {
-                this.search.attr("maxlength", opts.maximumInputLength);
-            }
-
-            var disabled = opts.element.prop("disabled");
-            if (disabled === undefined) disabled = false;
-            this.enable(!disabled);
-
-            var readonly = opts.element.prop("readonly");
-            if (readonly === undefined) readonly = false;
-            this.readonly(readonly);
-
-            // Calculate size of scrollbar
-            scrollBarDimensions = scrollBarDimensions || measureScrollbar();
-
-            this.autofocus = opts.element.prop("autofocus");
-            opts.element.prop("autofocus", false);
-            if (this.autofocus) this.focus();
-
-            this.search.attr("placeholder", opts.searchInputPlaceholder);
-        },
-
-        // abstract
-        destroy: function () {
-            var element=this.opts.element, select2 = element.data("select2"), self = this;
-
-            this.close();
-
-            if (element.length && element[0].detachEvent && self._sync) {
-                element.each(function () {
-                    if (self._sync) {
-                        this.detachEvent("onpropertychange", self._sync);
-                    }
-                });
-            }
-            if (this.propertyObserver) {
-                this.propertyObserver.disconnect();
-                this.propertyObserver = null;
-            }
-            this._sync = null;
-
-            if (select2 !== undefined) {
-                select2.container.remove();
-                select2.liveRegion.remove();
-                select2.dropdown.remove();
-                element.removeData("select2")
-                    .off(".select2");
-                if (!element.is("input[type='hidden']")) {
-                    element
-                        .show()
-                        .prop("autofocus", this.autofocus || false);
-                    if (this.elementTabIndex) {
-                        element.attr({tabindex: this.elementTabIndex});
-                    } else {
-                        element.removeAttr("tabindex");
-                    }
-                    element.show();
-                } else {
-                    element.css("display", "");
-                }
-            }
-
-            cleanupJQueryElements.call(this,
-                "container",
-                "liveRegion",
-                "dropdown",
-                "results",
-                "search"
-            );
-        },
-
-        // abstract
-        optionToData: function(element) {
-            if (element.is("option")) {
-                return {
-                    id:element.prop("value"),
-                    text:element.text(),
-                    element: element.get(),
-                    css: element.attr("class"),
-                    disabled: element.prop("disabled"),
-                    locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
-                };
-            } else if (element.is("optgroup")) {
-                return {
-                    text:element.attr("label"),
-                    children:[],
-                    element: element.get(),
-                    css: element.attr("class")
-                };
-            }
-        },
-
-        // abstract
-        prepareOpts: function (opts) {
-            var element, select, idKey, ajaxUrl, self = this;
-
-            element = opts.element;
-
-            if (element.get(0).tagName.toLowerCase() === "select") {
-                this.select = select = opts.element;
-            }
-
-            if (select) {
-                // these options are not allowed when attached to a select because they are picked up off the element itself
-                $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
-                    if (this in opts) {
-                        throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
-                    }
-                });
-            }
-
-            opts.debug = opts.debug || $.fn.select2.defaults.debug;
-
-            // Warnings for options renamed/removed in Select2 4.0.0
-            // Only when it's enabled through debug mode
-            if (opts.debug && console && console.warn) {
-                // id was removed
-                if (opts.id != null) {
-                    console.warn(
-                        'Select2: The `id` option has been removed in Select2 4.0.0, ' +
-                        'consider renaming your `id` property or mapping the property before your data makes it to Select2. ' +
-                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
-                    );
-                }
-
-                // text was removed
-                if (opts.text != null) {
-                    console.warn(
-                        'Select2: The `text` option has been removed in Select2 4.0.0, ' +
-                        'consider renaming your `text` property or mapping the property before your data makes it to Select2. ' +
-                        'You can read more at https://select2.github.io/announcements-4.0.html#changed-id'
-                    );
-                }
-
-                // sortResults was renamed to results
-                if (opts.sortResults != null) {
-                    console.warn(
-                        'Select2: the `sortResults` option has been renamed to `sorter` in Select2 4.0.0. '
-                    );
-                }
-
-                // selectOnBlur was renamed to selectOnClose
-                if (opts.selectOnBlur != null) {
-                    console.warn(
-                        'Select2: The `selectOnBlur` option has been renamed to `selectOnClose` in Select2 4.0.0.'
-                    );
-                }
-
-                // ajax.results was renamed to ajax.processResults
-                if (opts.ajax != null && opts.ajax.results != null) {
-                    console.warn(
-                        'Select2: The `ajax.results` option has been renamed to `ajax.processResults` in Select2 4.0.0.'
-                    );
-                }
-
-                // format* options were renamed to language.*
-                if (opts.formatNoResults != null) {
-                    console.warn(
-                        'Select2: The `formatNoResults` option has been renamed to `language.noResults` in Select2 4.0.0.'
-                    );
-                }
-                if (opts.formatSearching != null) {
-                    console.warn(
-                        'Select2: The `formatSearching` option has been renamed to `language.searching` in Select2 4.0.0.'
-                    );
-                }
-                if (opts.formatInputTooShort != null) {
-                    console.warn(
-                        'Select2: The `formatInputTooShort` option has been renamed to `language.inputTooShort` in Select2 4.0.0.'
-                    );
-                }
-                if (opts.formatInputTooLong != null) {
-                    console.warn(
-                        'Select2: The `formatInputTooLong` option has been renamed to `language.inputTooLong` in Select2 4.0.0.'
-                    );
-                }
-                if (opts.formatLoading != null) {
-                    console.warn(
-                        'Select2: The `formatLoading` option has been renamed to `language.loadingMore` in Select2 4.0.0.'
-                    );
-                }
-                if (opts.formatSelectionTooBig != null) {
-                    console.warn(
-                        'Select2: The `formatSelectionTooBig` option has been renamed to `language.maximumSelected` in Select2 4.0.0.'
-                    );
-                }
-
-                if (opts.element.data('select2Tags')) {
-                    console.warn(
-                        'Select2: The `data-select2-tags` attribute has been renamed to `data-tags` in Select2 4.0.0.'
-                    );
-                }
-            }
-
-            // Aliasing options renamed in Select2 4.0.0
-
-            // data-select2-tags -> data-tags
-            if (opts.element.data('tags') != null) {
-                var elemTags = opts.element.data('tags');
-
-                // data-tags should actually be a boolean
-                if (!$.isArray(elemTags)) {
-                    elemTags = [];
-                }
-
-                opts.element.data('select2Tags', elemTags);
-            }
-
-            // sortResults -> sorter
-            if (opts.sorter != null) {
-                opts.sortResults = opts.sorter;
-            }
-
-            // selectOnBlur -> selectOnClose
-            if (opts.selectOnClose != null) {
-                opts.selectOnBlur = opts.selectOnClose;
-            }
-
-            // ajax.results -> ajax.processResults
-            if (opts.ajax != null) {
-                if ($.isFunction(opts.ajax.processResults)) {
-                    opts.ajax.results = opts.ajax.processResults;
-                }
-            }
-
-            // Formatters/language options
-            if (opts.language != null) {
-                var lang = opts.language;
-
-                // formatNoMatches -> language.noMatches
-                if ($.isFunction(lang.noMatches)) {
-                    opts.formatNoMatches = lang.noMatches;
-                }
-
-                // formatSearching -> language.searching
-                if ($.isFunction(lang.searching)) {
-                    opts.formatSearching = lang.searching;
-                }
-
-                // formatInputTooShort -> language.inputTooShort
-                if ($.isFunction(lang.inputTooShort)) {
-                    opts.formatInputTooShort = lang.inputTooShort;
-                }
-
-                // formatInputTooLong -> language.inputTooLong
-                if ($.isFunction(lang.inputTooLong)) {
-                    opts.formatInputTooLong = lang.inputTooLong;
-                }
-
-                // formatLoading -> language.loadingMore
-                if ($.isFunction(lang.loadingMore)) {
-                    opts.formatLoading = lang.loadingMore;
-                }
-
-                // formatSelectionTooBig -> language.maximumSelected
-                if ($.isFunction(lang.maximumSelected)) {
-                    opts.formatSelectionTooBig = lang.maximumSelected;
-                }
-            }
-
-            opts = $.extend({}, {
-                populateResults: function(container, results, query) {
-                    var populate, id=this.opts.id, liveRegion=this.liveRegion;
-
-                    populate=function(results, container, depth) {
-
-                        var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
-
-                        results = opts.sortResults(results, container, query);
-
-                        // collect the created nodes for bulk append
-                        var nodes = [];
-                        for (i = 0, l = results.length; i < l; i = i + 1) {
-
-                            result=results[i];
-
-                            disabled = (result.disabled === true);
-                            selectable = (!disabled) && (id(result) !== undefined);
-
-                            compound=result.children && result.children.length > 0;
-
-                            node=$("<li></li>");
-                            node.addClass("select2-results-dept-"+depth);
-                            node.addClass("select2-result");
-                            node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
-                            if (disabled) { node.addClass("select2-disabled"); }
-                            if (compound) { node.addClass("select2-result-with-children"); }
-                            node.addClass(self.opts.formatResultCssClass(result));
-                            node.attr("role", "presentation");
-
-                            label=$(document.createElement("div"));
-                            label.addClass("select2-result-label");
-                            label.attr("id", "select2-result-label-" + nextUid());
-                            label.attr("role", "option");
-
-                            formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
-                            if (formatted!==undefined) {
-                                label.html(formatted);
-                                node.append(label);
-                            }
-
-
-                            if (compound) {
-                                innerContainer=$("<ul></ul>");
-                                innerContainer.addClass("select2-result-sub");
-                                populate(result.children, innerContainer, depth+1);
-                                node.append(innerContainer);
-                            }
-
-                            node.data("select2-data", result);
-                            nodes.push(node[0]);
-                        }
-
-                        // bulk append the created nodes
-                        container.append(nodes);
-                        liveRegion.text(opts.formatMatches(results.length));
-                    };
-
-                    populate(results, container, 0);
-                }
-            }, $.fn.select2.defaults, opts);
-
-            if (typeof(opts.id) !== "function") {
-                idKey = opts.id;
-                opts.id = function (e) { return e[idKey]; };
-            }
-
-            if ($.isArray(opts.element.data("select2Tags"))) {
-                if ("tags" in opts) {
-                    throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
-                }
-                opts.tags=opts.element.data("select2Tags");
-            }
-
-            if (select) {
-                opts.query = this.bind(function (query) {
-                    var data = { results: [], more: false },
-                        term = query.term,
-                        children, placeholderOption, process;
-
-                    process=function(element, collection) {
-                        var group;
-                        if (element.is("option")) {
-                            if (query.matcher(term, element.text(), element)) {
-                                collection.push(self.optionToData(element));
-                            }
-                        } else if (element.is("optgroup")) {
-                            group=self.optionToData(element);
-                            element.children().each2(function(i, elm) { process(elm, group.children); });
-                            if (group.children.length>0) {
-                                collection.push(group);
-                            }
-                        }
-                    };
-
-                    children=element.children();
-
-                    // ignore the placeholder option if there is one
-                    if (this.getPlaceholder() !== undefined && children.length > 0) {
-                        placeholderOption = this.getPlaceholderOption();
-                        if (placeholderOption) {
-                            children=children.not(placeholderOption);
-                        }
-                    }
-
-                    children.each2(function(i, elm) { process(elm, data.results); });
-
-                    query.callback(data);
-                });
-                // this is needed because inside val() we construct choices from options and their id is hardcoded
-                opts.id=function(e) { return e.id; };
-            } else {
-                if (!("query" in opts)) {
-                    if ("ajax" in opts) {
-                        ajaxUrl = opts.element.data("ajax-url");
-                        if (ajaxUrl && ajaxUrl.length > 0) {
-                            opts.ajax.url = ajaxUrl;
-                        }
-                        opts.query = ajax.call(opts.element, opts.ajax);
-                    } else if ("data" in opts) {
-                        opts.query = local(opts.data);
-                    } else if ("tags" in opts) {
-                        opts.query = tags(opts.tags);
-                        if (opts.createSearchChoice === undefined) {
-                            opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
-                        }
-                        if (opts.initSelection === undefined) {
-                            opts.initSelection = function (element, callback) {
-                                var data = [];
-                                $(splitVal(element.val(), opts.separator, opts.transformVal)).each(function () {
-                                    var obj = { id: this, text: this },
-                                        tags = opts.tags;
-                                    if ($.isFunction(tags)) tags=tags();
-                                    $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
-                                    data.push(obj);
-                                });
-
-                                callback(data);
-                            };
-                        }
-                    }
-                }
-            }
-            if (typeof(opts.query) !== "function") {
-                throw "query function not defined for Select2 " + opts.element.attr("id");
-            }
-
-            if (opts.createSearchChoicePosition === 'top') {
-                opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
-            }
-            else if (opts.createSearchChoicePosition === 'bottom') {
-                opts.createSearchChoicePosition = function(list, item) { list.push(item); };
-            }
-            else if (typeof(opts.createSearchChoicePosition) !== "function")  {
-                throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
-            }
-
-            return opts;
-        },
-
-        /**
-         * Monitor the original element for changes and update select2 accordingly
-         */
-        // abstract
-        monitorSource: function () {
-            var el = this.opts.element, observer, self = this;
-
-            el.on("change.select2", this.bind(function (e) {
-                if (this.opts.element.data("select2-change-triggered") !== true) {
-                    this.initSelection();
-                }
-            }));
-
-            this._sync = this.bind(function () {
-
-                // sync enabled state
-                var disabled = el.prop("disabled");
-                if (disabled === undefined) disabled = false;
-                this.enable(!disabled);
-
-                var readonly = el.prop("readonly");
-                if (readonly === undefined) readonly = false;
-                this.readonly(readonly);
-
-                if (this.container) {
-                    syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
-                    this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element));
-                }
-
-                if (this.dropdown) {
-                    syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
-                    this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element));
-                }
-
-            });
-
-            // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
-            if (el.length && el[0].attachEvent) {
-                el.each(function() {
-                    this.attachEvent("onpropertychange", self._sync);
-                });
-            }
-
-            // safari, chrome, firefox, IE11
-            observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
-            if (observer !== undefined) {
-                if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
-                this.propertyObserver = new observer(function (mutations) {
-                    $.each(mutations, self._sync);
-                });
-                this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
-            }
-        },
-
-        // abstract
-        triggerSelect: function(data) {
-            var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data });
-            this.opts.element.trigger(evt);
-            return !evt.isDefaultPrevented();
-        },
-
-        /**
-         * Triggers the change event on the source element
-         */
-        // abstract
-        triggerChange: function (details) {
-
-            details = details || {};
-            details= $.extend({}, details, { type: "change", val: this.val() });
-            // prevents recursive triggering
-            this.opts.element.data("select2-change-triggered", true);
-            this.opts.element.trigger(details);
-            this.opts.element.data("select2-change-triggered", false);
-
-            // some validation frameworks ignore the change event and listen instead to keyup, click for selects
-            // so here we trigger the click event manually
-            this.opts.element.click();
-
-            // ValidationEngine ignores the change event and listens instead to blur
-            // so here we trigger the blur event manually if so desired
-            if (this.opts.blurOnChange)
-                this.opts.element.blur();
-        },
-
-        //abstract
-        isInterfaceEnabled: function()
-        {
-            return this.enabledInterface === true;
-        },
-
-        // abstract
-        enableInterface: function() {
-            var enabled = this._enabled && !this._readonly,
-                disabled = !enabled;
-
-            if (enabled === this.enabledInterface) return false;
-
-            this.container.toggleClass("select2-container-disabled", disabled);
-            this.close();
-            this.enabledInterface = enabled;
-
-            return true;
-        },
-
-        // abstract
-        enable: function(enabled) {
-            if (enabled === undefined) enabled = true;
-            if (this._enabled === enabled) return;
-            this._enabled = enabled;
-
-            this.opts.element.prop("disabled", !enabled);
-            this.enableInterface();
-        },
-
-        // abstract
-        disable: function() {
-            this.enable(false);
-        },
-
-        // abstract
-        readonly: function(enabled) {
-            if (enabled === undefined) enabled = false;
-            if (this._readonly === enabled) return;
-            this._readonly = enabled;
-
-            this.opts.element.prop("readonly", enabled);
-            this.enableInterface();
-        },
-
-        // abstract
-        opened: function () {
-            return (this.container) ? this.container.hasClass("select2-dropdown-open") : false;
-        },
-
-        // abstract
-        positionDropdown: function() {
-            var $dropdown = this.dropdown,
-                container = this.container,
-                offset = container.offset(),
-                height = container.outerHeight(false),
-                width = container.outerWidth(false),
-                dropHeight = $dropdown.outerHeight(false),
-                $window = $(window),
-                windowWidth = $window.width(),
-                windowHeight = $window.height(),
-                viewPortRight = $window.scrollLeft() + windowWidth,
-                viewportBottom = $window.scrollTop() + windowHeight,
-                dropTop = offset.top + height,
-                dropLeft = offset.left,
-                enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
-                enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
-                dropWidth = $dropdown.outerWidth(false),
-                enoughRoomOnRight = function() {
-                    return dropLeft + dropWidth <= viewPortRight;
-                },
-                enoughRoomOnLeft = function() {
-                    return offset.left + viewPortRight + container.outerWidth(false)  > dropWidth;
-                },
-                aboveNow = $dropdown.hasClass("select2-drop-above"),
-                bodyOffset,
-                above,
-                changeDirection,
-                css,
-                resultsListNode;
-
-            // always prefer the current above/below alignment, unless there is not enough room
-            if (aboveNow) {
-                above = true;
-                if (!enoughRoomAbove && enoughRoomBelow) {
-                    changeDirection = true;
-                    above = false;
-                }
-            } else {
-                above = false;
-                if (!enoughRoomBelow && enoughRoomAbove) {
-                    changeDirection = true;
-                    above = true;
-                }
-            }
-
-            //if we are changing direction we need to get positions when dropdown is hidden;
-            if (changeDirection) {
-                $dropdown.hide();
-                offset = this.container.offset();
-                height = this.container.outerHeight(false);
-                width = this.container.outerWidth(false);
-                dropHeight = $dropdown.outerHeight(false);
-                viewPortRight = $window.scrollLeft() + windowWidth;
-                viewportBottom = $window.scrollTop() + windowHeight;
-                dropTop = offset.top + height;
-                dropLeft = offset.left;
-                dropWidth = $dropdown.outerWidth(false);
-                $dropdown.show();
-
-                // fix so the cursor does not move to the left within the search-textbox in IE
-                this.focusSearch();
-            }
-
-            if (this.opts.dropdownAutoWidth) {
-                resultsListNode = $('.select2-results', $dropdown)[0];
-                $dropdown.addClass('select2-drop-auto-width');
-                $dropdown.css('width', '');
-                // Add scrollbar width to dropdown if vertical scrollbar is present
-                dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
-                dropWidth > width ? width = dropWidth : dropWidth = width;
-                dropHeight = $dropdown.outerHeight(false);
-            }
-            else {
-                this.container.removeClass('select2-drop-auto-width');
-            }
-
-            //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
-            //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
-
-            // fix positioning when body has an offset and is not position: static
-            if (this.body.css('position') !== 'static') {
-                bodyOffset = this.body.offset();
-                dropTop -= bodyOffset.top;
-                dropLeft -= bodyOffset.left;
-            }
-
-            if (!enoughRoomOnRight() && enoughRoomOnLeft()) {
-                dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
-            }
-
-            css =  {
-                left: dropLeft,
-                width: width
-            };
-
-            if (above) {
-                this.container.addClass("select2-drop-above");
-                $dropdown.addClass("select2-drop-above");
-                dropHeight = $dropdown.outerHeight(false);
-                css.top = offset.top - dropHeight;
-                css.bottom = 'auto';
-            }
-            else {
-                css.top = dropTop;
-                css.bottom = 'auto';
-                this.container.removeClass("select2-drop-above");
-                $dropdown.removeClass("select2-drop-above");
-            }
-            css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element));
-
-            $dropdown.css(css);
-        },
-
-        // abstract
-        shouldOpen: function() {
-            var event;
-
-            if (this.opened()) return false;
-
-            if (this._enabled === false || this._readonly === true) return false;
-
-            event = $.Event("select2-opening");
-            this.opts.element.trigger(event);
-            return !event.isDefaultPrevented();
-        },
-
-        // abstract
-        clearDropdownAlignmentPreference: function() {
-            // clear the classes used to figure out the preference of where the dropdown should be opened
-            this.container.removeClass("select2-drop-above");
-            this.dropdown.removeClass("select2-drop-above");
-        },
-
-        /**
-         * Opens the dropdown
-         *
-         * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
-         * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
-         */
-        // abstract
-        open: function () {
-
-            if (!this.shouldOpen()) return false;
-
-            this.opening();
-
-            // Only bind the document mousemove when the dropdown is visible
-            $document.on("mousemove.select2Event", function (e) {
-                lastMousePosition.x = e.pageX;
-                lastMousePosition.y = e.pageY;
-            });
-
-            return true;
-        },
-
-        /**
-         * Performs the opening of the dropdown
-         */
-        // abstract
-        opening: function() {
-            var cid = this.containerEventName,
-                scroll = "scroll." + cid,
-                resize = "resize."+cid,
-                orient = "orientationchange."+cid,
-                mask;
-
-            this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
-
-            this.clearDropdownAlignmentPreference();
-
-            if(this.dropdown[0] !== this.body.children().last()[0]) {
-                this.dropdown.detach().appendTo(this.body);
-            }
-
-            // create the dropdown mask if doesn't already exist
-            mask = $("#select2-drop-mask");
-            if (mask.length === 0) {
-                mask = $(document.createElement("div"));
-                mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
-                mask.hide();
-                mask.appendTo(this.body);
-                mask.on("mousedown touchstart click", function (e) {
-                    // Prevent IE from generating a click event on the body
-                    reinsertElement(mask);
-
-                    var dropdown = $("#select2-drop"), self;
-                    if (dropdown.length > 0) {
-                        self=dropdown.data("select2");
-                        if (self.opts.selectOnBlur) {
-                            self.selectHighlighted({noFocus: true});
-                        }
-                        self.close();
-                        e.preventDefault();
-                        e.stopPropagation();
-                    }
-                });
-            }
-
-            // ensure the mask is always right before the dropdown
-            if (this.dropdown.prev()[0] !== mask[0]) {
-                this.dropdown.before(mask);
-            }
-
-            // move the global id to the correct dropdown
-            $("#select2-drop").removeAttr("id");
-            this.dropdown.attr("id", "select2-drop");
-
-            // show the elements
-            mask.show();
-
-            this.positionDropdown();
-            this.dropdown.show();
-            this.positionDropdown();
-
-            this.dropdown.addClass("select2-drop-active");
-
-            // attach listeners to events that can change the position of the container and thus require
-            // the position of the dropdown to be updated as well so it does not come unglued from the container
-            var that = this;
-            this.container.parents().add(window).each(function () {
-                $(this).on(resize+" "+scroll+" "+orient, function (e) {
-                    if (that.opened()) that.positionDropdown();
-                });
-            });
-
-
-        },
-
-        // abstract
-        close: function () {
-            if (!this.opened()) return;
-
-            var cid = this.containerEventName,
-                scroll = "scroll." + cid,
-                resize = "resize."+cid,
-                orient = "orientationchange."+cid;
-
-            // unbind event listeners
-            this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
-
-            this.clearDropdownAlignmentPreference();
-
-            $("#select2-drop-mask").hide();
-            this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
-            this.dropdown.hide();
-            this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
-            this.results.empty();
-
-            // Now that the dropdown is closed, unbind the global document mousemove event
-            $document.off("mousemove.select2Event");
-
-            this.clearSearch();
-            this.search.removeClass("select2-active");
-
-            // Remove the aria active descendant for highlighted element
-            this.search.removeAttr("aria-activedescendant");
-            this.opts.element.trigger($.Event("select2-close"));
-        },
-
-        /**
-         * Opens control, sets input value, and updates results.
-         */
-        // abstract
-        externalSearch: function (term) {
-            this.open();
-            this.search.val(term);
-            this.updateResults(false);
-        },
-
-        // abstract
-        clearSearch: function () {
-
-        },
-
-        /**
-         * @return {Boolean} Whether or not search value was changed.
-         * @private
-         */
-        prefillNextSearchTerm: function () {
-            // initializes search's value with nextSearchTerm (if defined by user)
-            // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
-            if(this.search.val() !== "") {
-                return false;
-            }
-
-            var nextSearchTerm = this.opts.nextSearchTerm(this.data(), this.lastSearchTerm);
-            if(nextSearchTerm !== undefined){
-                this.search.val(nextSearchTerm);
-                this.search.select();
-                return true;
-            }
-
-            return false;
-        },
-
-        //abstract
-        getMaximumSelectionSize: function() {
-            return evaluate(this.opts.maximumSelectionSize, this.opts.element);
-        },
-
-        // abstract
-        ensureHighlightVisible: function () {
-            var results = this.results, children, index, child, hb, rb, y, more, topOffset;
-
-            index = this.highlight();
-
-            if (index < 0) return;
-
-            if (index == 0) {
-
-                // if the first element is highlighted scroll all the way to the top,
-                // that way any unselectable headers above it will also be scrolled
-                // into view
-
-                results.scrollTop(0);
-                return;
-            }
-
-            children = this.findHighlightableChoices().find('.select2-result-label');
-
-            child = $(children[index]);
-
-            topOffset = (child.offset() || {}).top || 0;
-
-            hb = topOffset + child.outerHeight(true);
-
-            // if this is the last child lets also make sure select2-more-results is visible
-            if (index === children.length - 1) {
-                more = results.find("li.select2-more-results");
-                if (more.length > 0) {
-                    hb = more.offset().top + more.outerHeight(true);
-                }
-            }
-
-            rb = results.offset().top + results.outerHeight(false);
-            if (hb > rb) {
-                results.scrollTop(results.scrollTop() + (hb - rb));
-            }
-            y = topOffset - results.offset().top;
-
-            // make sure the top of the element is visible
-            if (y < 0 && child.css('display') != 'none' ) {
-                results.scrollTop(results.scrollTop() + y); // y is negative
-            }
-        },
-
-        // abstract
-        findHighlightableChoices: function() {
-            return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
-        },
-
-        // abstract
-        moveHighlight: function (delta) {
-            var choices = this.findHighlightableChoices(),
-                index = this.highlight();
-
-            while (index > -1 && index < choices.length) {
-                index += delta;
-                var choice = $(choices[index]);
-                if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
-                    this.highlight(index);
-                    break;
-                }
-            }
-        },
-
-        // abstract
-        highlight: function (index) {
-            var choices = this.findHighlightableChoices(),
-                choice,
-                data;
-
-            if (arguments.length === 0) {
-                return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
-            }
-
-            if (index >= choices.length) index = choices.length - 1;
-            if (index < 0) index = 0;
-
-            this.removeHighlight();
-
-            choice = $(choices[index]);
-            choice.addClass("select2-highlighted");
-
-            // ensure assistive technology can determine the active choice
-            this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));
-
-            this.ensureHighlightVisible();
-
-            this.liveRegion.text(choice.text());
-
-            data = choice.data("select2-data");
-            if (data) {
-                this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
-            }
-        },
-
-        removeHighlight: function() {
-            this.results.find(".select2-highlighted").removeClass("select2-highlighted");
-        },
-
-        touchMoved: function() {
-            this._touchMoved = true;
-        },
-
-        clearTouchMoved: function() {
-          this._touchMoved = false;
-        },
-
-        // abstract
-        countSelectableResults: function() {
-            return this.findHighlightableChoices().length;
-        },
-
-        // abstract
-        highlightUnderEvent: function (event) {
-            var el = $(event.target).closest(".select2-result-selectable");
-            if (el.length > 0 && !el.is(".select2-highlighted")) {
-                var choices = this.findHighlightableChoices();
-                this.highlight(choices.index(el));
-            } else if (el.length == 0) {
-                // if we are over an unselectable item remove all highlights
-                this.removeHighlight();
-            }
-        },
-
-        // abstract
-        loadMoreIfNeeded: function () {
-            var results = this.results,
-                more = results.find("li.select2-more-results"),
-                below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
-                page = this.resultsPage + 1,
-                self=this,
-                term=this.search.val(),
-                context=this.context;
-
-            if (more.length === 0) return;
-            below = more.offset().top - results.offset().top - results.height();
-
-            if (below <= this.opts.loadMorePadding) {
-                more.addClass("select2-active");
-                this.opts.query({
-                        element: this.opts.element,
-                        term: term,
-                        page: page,
-                        context: context,
-                        matcher: this.opts.matcher,
-                        callback: this.bind(function (data) {
-
-                    // ignore a response if the select2 has been closed before it was received
-                    if (!self.opened()) return;
-
-
-                    self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
-                    self.postprocessResults(data, false, false);
-
-                    if (data.more===true) {
-                        more.detach().appendTo(results).html(self.opts.escapeMarkup(evaluate(self.opts.formatLoadMore, self.opts.element, page+1)));
-                        window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
-                    } else {
-                        more.remove();
-                    }
-                    self.positionDropdown();
-                    self.resultsPage = page;
-                    self.context = data.context;
-                    this.opts.element.trigger({ type: "select2-loaded", items: data });
-                })});
-            }
-        },
-
-        /**
-         * Default tokenizer function which does nothing
-         */
-        tokenize: function() {
-
-        },
-
-        /**
-         * @param initial whether or not this is the call to this method right after the dropdown has been opened
-         */
-        // abstract
-        updateResults: function (initial) {
-            var search = this.search,
-                results = this.results,
-                opts = this.opts,
-                data,
-                self = this,
-                input,
-                term = search.val(),
-                lastTerm = $.data(this.container, "select2-last-term"),
-                // sequence number used to drop out-of-order responses
-                queryNumber;
-
-            // prevent duplicate queries against the same term
-            if (initial !== true && lastTerm && equal(term, lastTerm)) return;
-
-            $.data(this.container, "select2-last-term", term);
-
-            // if the search is currently hidden we do not alter the results
-            if (initial !== true && (this.showSearchInput === false || !this.opened())) {
-                return;
-            }
-
-            function postRender() {
-                search.removeClass("select2-active");
-                self.positionDropdown();
-                if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
-                    self.liveRegion.text(results.text());
-                }
-                else {
-                    self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable:not(".select2-selected")').length));
-                }
-            }
-
-            function render(html) {
-                results.html(html);
-                postRender();
-            }
-
-            queryNumber = ++this.queryCount;
-
-            var maxSelSize = this.getMaximumSelectionSize();
-            if (maxSelSize >=1) {
-                data = this.data();
-                if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
-                    render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
-                    return;
-                }
-            }
-
-            if (search.val().length < opts.minimumInputLength) {
-                if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>");
-                } else {
-                    render("");
-                }
-                if (initial && this.showSearch) this.showSearch(true);
-                return;
-            }
-
-            if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
-                if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>");
-                } else {
-                    render("");
-                }
-                return;
-            }
-
-            if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
-                render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
-            }
-
-            search.addClass("select2-active");
-
-            this.removeHighlight();
-
-            // give the tokenizer a chance to pre-process the input
-            input = this.tokenize();
-            if (input != undefined && input != null) {
-                search.val(input);
-            }
-
-            this.resultsPage = 1;
-
-            opts.query({
-                element: opts.element,
-                    term: search.val(),
-                    page: this.resultsPage,
-                    context: null,
-                    matcher: opts.matcher,
-                    callback: this.bind(function (data) {
-                var def; // default choice
-
-                // ignore old responses
-                if (queryNumber != this.queryCount) {
-                  return;
-                }
-
-                // ignore a response if the select2 has been closed before it was received
-                if (!this.opened()) {
-                    this.search.removeClass("select2-active");
-                    return;
-                }
-
-                // handle ajax error
-                if(data.hasError !== undefined && checkFormatter(opts.formatAjaxError, "formatAjaxError")) {
-                    render("<li class='select2-ajax-error'>" + evaluate(opts.formatAjaxError, opts.element, data.jqXHR, data.textStatus, data.errorThrown) + "</li>");
-                    return;
-                }
-
-                // save context, if any
-                this.context = (data.context===undefined) ? null : data.context;
-                // create a default choice and prepend it to the list
-                if (this.opts.createSearchChoice && search.val() !== "") {
-                    def = this.opts.createSearchChoice.call(self, search.val(), data.results);
-                    if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
-                        if ($(data.results).filter(
-                            function () {
-                                return equal(self.id(this), self.id(def));
-                            }).length === 0) {
-                            this.opts.createSearchChoicePosition(data.results, def);
-                        }
-                    }
-                }
-
-                if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
-                    render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
-                    if(this.showSearch){
-                        this.showSearch(search.val());
-                    }
-                    return;
-                }
-
-                results.empty();
-                self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
-
-                if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
-                    results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>");
-                    window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
-                }
-
-                this.postprocessResults(data, initial);
-
-                postRender();
-
-                this.opts.element.trigger({ type: "select2-loaded", items: data });
-            })});
-        },
-
-        // abstract
-        cancel: function () {
-            this.close();
-        },
-
-        // abstract
-        blur: function () {
-            // if selectOnBlur == true, select the currently highlighted option
-            if (this.opts.selectOnBlur)
-                this.selectHighlighted({noFocus: true});
-
-            this.close();
-            this.container.removeClass("select2-container-active");
-            // synonymous to .is(':focus'), which is available in jquery >= 1.6
-            if (this.search[0] === document.activeElement) { this.search.blur(); }
-            this.clearSearch();
-            this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
-        },
-
-        // abstract
-        focusSearch: function () {
-            focus(this.search);
-        },
-
-        // abstract
-        selectHighlighted: function (options) {
-            if (this._touchMoved) {
-              this.clearTouchMoved();
-              return;
-            }
-            var index=this.highlight(),
-                highlighted=this.results.find(".select2-highlighted"),
-                data = highlighted.closest('.select2-result').data("select2-data");
-
-            if (data) {
-                this.highlight(index);
-                this.onSelect(data, options);
-            } else if (options && options.noFocus) {
-                this.close();
-            }
-        },
-
-        // abstract
-        getPlaceholder: function () {
-            var placeholderOption;
-            return this.opts.element.attr("placeholder") ||
-                this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
-                this.opts.element.data("placeholder") ||
-                this.opts.placeholder ||
-                ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
-        },
-
-        // abstract
-        getPlaceholderOption: function() {
-            if (this.select) {
-                var firstOption = this.select.children('option').first();
-                if (this.opts.placeholderOption !== undefined ) {
-                    //Determine the placeholder option based on the specified placeholderOption setting
-                    return (this.opts.placeholderOption === "first" && firstOption) ||
-                           (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
-                } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
-                    //No explicit placeholder option specified, use the first if it's blank
-                    return firstOption;
-                }
-            }
-        },
-
-        /**
-         * Get the desired width for the container element.  This is
-         * derived first from option `width` passed to select2, then
-         * the inline 'style' on the original element, and finally
-         * falls back to the jQuery calculated element width.
-         */
-        // abstract
-        initContainerWidth: function () {
-            function resolveContainerWidth() {
-                var style, attrs, matches, i, l, attr;
-
-                if (this.opts.width === "off") {
-                    return null;
-                } else if (this.opts.width === "element"){
-                    return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
-                } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
-                    // check if there is inline style on the element that contains width
-                    style = this.opts.element.attr('style');
-                    if (typeof(style) === "string") {
-                        attrs = style.split(';');
-                        for (i = 0, l = attrs.length; i < l; i = i + 1) {
-                            attr = attrs[i].replace(/\s/g, '');
-                            matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
-                            if (matches !== null && matches.length >= 1)
-                                return matches[1];
-                        }
-                    }
-
-                    if (this.opts.width === "resolve") {
-                        // next check if css('width') can resolve a width that is percent based, this is sometimes possible
-                        // when attached to input type=hidden or elements hidden via css
-                        style = this.opts.element.css('width');
-                        if (style.indexOf("%") > 0) return style;
-
-                        // finally, fallback on the calculated width of the element
-                        return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
-                    }
-
-                    return null;
-                } else if ($.isFunction(this.opts.width)) {
-                    return this.opts.width();
-                } else {
-                    return this.opts.width;
-               }
-            };
-
-            var width = resolveContainerWidth.call(this);
-            if (width !== null) {
-                this.container.css("width", width);
-            }
-        }
-    });
-
-    SingleSelect2 = clazz(AbstractSelect2, {
-
-        // single
-
-        createContainer: function () {
-            var container = $(document.createElement("div")).attr({
-                "class": "select2-container"
-            }).html([
-                "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
-                "   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>",
-                "   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
-                "</a>",
-                "<label for='' class='select2-offscreen'></label>",
-                "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
-                "<div class='select2-drop select2-display-none'>",
-                "   <div class='select2-search'>",
-                "       <label for='' class='select2-offscreen'></label>",
-                "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
-                "       aria-autocomplete='list' />",
-                "   </div>",
-                "   <ul class='select2-results' role='listbox'>",
-                "   </ul>",
-                "</div>"].join(""));
-            return container;
-        },
-
-        // single
-        enableInterface: function() {
-            if (this.parent.enableInterface.apply(this, arguments)) {
-                this.focusser.prop("disabled", !this.isInterfaceEnabled());
-            }
-        },
-
-        // single
-        opening: function () {
-            var el, range, len;
-
-            if (this.opts.minimumResultsForSearch >= 0) {
-                this.showSearch(true);
-            }
-
-            this.parent.opening.apply(this, arguments);
-
-            if (this.showSearchInput !== false) {
-                // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
-                // all other browsers handle this just fine
-
-                this.search.val(this.focusser.val());
-            }
-            if (this.opts.shouldFocusInput(this)) {
-                this.search.focus();
-                // move the cursor to the end after focussing, otherwise it will be at the beginning and
-                // new text will appear *before* focusser.val()
-                el = this.search.get(0);
-                if (el.createTextRange) {
-                    range = el.createTextRange();
-                    range.collapse(false);
-                    range.select();
-                } else if (el.setSelectionRange) {
-                    len = this.search.val().length;
-                    el.setSelectionRange(len, len);
-                }
-            }
-
-            this.prefillNextSearchTerm();
-
-            this.focusser.prop("disabled", true).val("");
-            this.updateResults(true);
-            this.opts.element.trigger($.Event("select2-open"));
-        },
-
-        // single
-        close: function () {
-            if (!this.opened()) return;
-            this.parent.close.apply(this, arguments);
-
-            this.focusser.prop("disabled", false);
-
-            if (this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-        },
-
-        // single
-        focus: function () {
-            if (this.opened()) {
-                this.close();
-            } else {
-                this.focusser.prop("disabled", false);
-                if (this.opts.shouldFocusInput(this)) {
-                    this.focusser.focus();
-                }
-            }
-        },
-
-        // single
-        isFocused: function () {
-            return this.container.hasClass("select2-container-active");
-        },
-
-        // single
-        cancel: function () {
-            this.parent.cancel.apply(this, arguments);
-            this.focusser.prop("disabled", false);
-
-            if (this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-        },
-
-        // single
-        destroy: function() {
-            $("label[for='" + this.focusser.attr('id') + "']")
-                .attr('for', this.opts.element.attr("id"));
-            this.parent.destroy.apply(this, arguments);
-
-            cleanupJQueryElements.call(this,
-                "selection",
-                "focusser"
-            );
-        },
-
-        // single
-        initContainer: function () {
-
-            var selection,
-                container = this.container,
-                dropdown = this.dropdown,
-                idSuffix = nextUid(),
-                elementLabel;
-
-            if (this.opts.minimumResultsForSearch < 0) {
-                this.showSearch(false);
-            } else {
-                this.showSearch(true);
-            }
-
-            this.selection = selection = container.find(".select2-choice");
-
-            this.focusser = container.find(".select2-focusser");
-
-            // add aria associations
-            selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
-            this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
-            this.results.attr("id", "select2-results-"+idSuffix);
-            this.search.attr("aria-owns", "select2-results-"+idSuffix);
-
-            // rewrite labels from original element to focusser
-            this.focusser.attr("id", "s2id_autogen"+idSuffix);
-
-            elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
-            this.opts.element.on('focus.select2', this.bind(function () { this.focus(); }));
-
-            this.focusser.prev()
-                .text(elementLabel.text())
-                .attr('for', this.focusser.attr('id'));
-
-            // Ensure the original element retains an accessible name
-            var originalTitle = this.opts.element.attr("title");
-            this.opts.element.attr("title", (originalTitle || elementLabel.text()));
-
-            this.focusser.attr("tabindex", this.elementTabIndex);
-
-            // write label for search field using the label from the focusser element
-            this.search.attr("id", this.focusser.attr('id') + '_search');
-
-            this.search.prev()
-                .text($("label[for='" + this.focusser.attr('id') + "']").text())
-                .attr('for', this.search.attr('id'));
-
-            this.search.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                // filter 229 keyCodes (input method editor is processing key input)
-                if (229 == e.keyCode) return;
-
-                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
-                    // prevent the page from scrolling
-                    killEvent(e);
-                    return;
-                }
-
-                switch (e.which) {
-                    case KEY.UP:
-                    case KEY.DOWN:
-                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
-                        killEvent(e);
-                        return;
-                    case KEY.ENTER:
-                        this.selectHighlighted();
-                        killEvent(e);
-                        return;
-                    case KEY.TAB:
-                        this.selectHighlighted({noFocus: true});
-                        return;
-                    case KEY.ESC:
-                        this.cancel(e);
-                        killEvent(e);
-                        return;
-                }
-            }));
-
-            this.search.on("blur", this.bind(function(e) {
-                // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
-                // without this the search field loses focus which is annoying
-                if (document.activeElement === this.body.get(0)) {
-                    window.setTimeout(this.bind(function() {
-                        if (this.opened() && this.results && this.results.length > 1) {
-                            this.search.focus();
-                        }
-                    }), 0);
-                }
-            }));
-
-            this.focusser.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
-                    return;
-                }
-
-                if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
-                    killEvent(e);
-                    return;
-                }
-
-                if (e.which == KEY.DOWN || e.which == KEY.UP
-                    || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
-
-                    if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
-
-                    this.open();
-                    killEvent(e);
-                    return;
-                }
-
-                if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
-                    if (this.opts.allowClear) {
-                        this.clear();
-                    }
-                    killEvent(e);
-                    return;
-                }
-            }));
-
-
-            installKeyUpChangeEvent(this.focusser);
-            this.focusser.on("keyup-change input", this.bind(function(e) {
-                if (this.opts.minimumResultsForSearch >= 0) {
-                    e.stopPropagation();
-                    if (this.opened()) return;
-                    this.open();
-                }
-            }));
-
-            selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) {
-                    return;
-                }
-
-                this.clear();
-                killEventImmediately(e);
-                this.close();
-
-                if (this.selection) {
-                    this.selection.focus();
-                }
-            }));
-
-            selection.on("mousedown touchstart", this.bind(function (e) {
-                // Prevent IE from generating a click event on the body
-                reinsertElement(selection);
-
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-
-                if (this.opened()) {
-                    this.close();
-                } else if (this.isInterfaceEnabled()) {
-                    this.open();
-                }
-
-                killEvent(e);
-            }));
-
-            dropdown.on("mousedown touchstart", this.bind(function() {
-                if (this.opts.shouldFocusInput(this)) {
-                    this.search.focus();
-                }
-            }));
-
-            selection.on("focus", this.bind(function(e) {
-                killEvent(e);
-            }));
-
-            this.focusser.on("focus", this.bind(function(){
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-            })).on("blur", this.bind(function() {
-                if (!this.opened()) {
-                    this.container.removeClass("select2-container-active");
-                    this.opts.element.trigger($.Event("select2-blur"));
-                }
-            }));
-            this.search.on("focus", this.bind(function(){
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-            }));
-
-            this.initContainerWidth();
-            this.opts.element.hide();
-            this.setPlaceholder();
-
-        },
-
-        // single
-        clear: function(triggerChange) {
-            var data=this.selection.data("select2-data");
-            if (data) { // guard against queued quick consecutive clicks
-                var evt = $.Event("select2-clearing");
-                this.opts.element.trigger(evt);
-                if (evt.isDefaultPrevented()) {
-                    return;
-                }
-                var placeholderOption = this.getPlaceholderOption();
-                this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
-                this.selection.find(".select2-chosen").empty();
-                this.selection.removeData("select2-data");
-                this.setPlaceholder();
-
-                if (triggerChange !== false){
-                    this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
-                    this.triggerChange({removed:data});
-                }
-            }
-        },
-
-        /**
-         * Sets selection based on source element's value
-         */
-        // single
-        initSelection: function () {
-            var selected;
-            if (this.isPlaceholderOptionSelected()) {
-                this.updateSelection(null);
-                this.close();
-                this.setPlaceholder();
-            } else {
-                var self = this;
-                this.opts.initSelection.call(null, this.opts.element, function(selected){
-                    if (selected !== undefined && selected !== null) {
-                        self.updateSelection(selected);
-                        self.close();
-                        self.setPlaceholder();
-                        self.lastSearchTerm = self.search.val();
-                    }
-                });
-            }
-        },
-
-        isPlaceholderOptionSelected: function() {
-            var placeholderOption;
-            if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
-            return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
-                || (this.opts.element.val() === "")
-                || (this.opts.element.val() === undefined)
-                || (this.opts.element.val() === null);
-        },
-
-        // single
-        prepareOpts: function () {
-            var opts = this.parent.prepareOpts.apply(this, arguments),
-                self=this;
-
-            if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                // install the selection initializer
-                opts.initSelection = function (element, callback) {
-                    var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
-                    // a single select box always has a value, no need to null check 'selected'
-                    callback(self.optionToData(selected));
-                };
-            } else if ("data" in opts) {
-                // install default initSelection when applied to hidden input and data is local
-                opts.initSelection = opts.initSelection || function (element, callback) {
-                    var id = element.val();
-                    //search in data by id, storing the actual matching item
-                    var match = null;
-                    opts.query({
-                        matcher: function(term, text, el){
-                            var is_match = equal(id, opts.id(el));
-                            if (is_match) {
-                                match = el;
-                            }
-                            return is_match;
-                        },
-                        callback: !$.isFunction(callback) ? $.noop : function() {
-                            callback(match);
-                        }
-                    });
-                };
-            }
-
-            return opts;
-        },
-
-        // single
-        getPlaceholder: function() {
-            // if a placeholder is specified on a single select without a valid placeholder option ignore it
-            if (this.select) {
-                if (this.getPlaceholderOption() === undefined) {
-                    return undefined;
-                }
-            }
-
-            return this.parent.getPlaceholder.apply(this, arguments);
-        },
-
-        // single
-        setPlaceholder: function () {
-            var placeholder = this.getPlaceholder();
-
-            if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
-
-                // check for a placeholder option if attached to a select
-                if (this.select && this.getPlaceholderOption() === undefined) return;
-
-                this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
-
-                this.selection.addClass("select2-default");
-
-                this.container.removeClass("select2-allowclear");
-            }
-        },
-
-        // single
-        postprocessResults: function (data, initial, noHighlightUpdate) {
-            var selected = 0, self = this, showSearchInput = true;
-
-            // find the selected element in the result list
-
-            this.findHighlightableChoices().each2(function (i, elm) {
-                if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
-                    selected = i;
-                    return false;
-                }
-            });
-
-            // and highlight it
-            if (noHighlightUpdate !== false) {
-                if (initial === true && selected >= 0) {
-                    this.highlight(selected);
-                } else {
-                    this.highlight(0);
-                }
-            }
-
-            // hide the search box if this is the first we got the results and there are enough of them for search
-
-            if (initial === true) {
-                var min = this.opts.minimumResultsForSearch;
-                if (min >= 0) {
-                    this.showSearch(countResults(data.results) >= min);
-                }
-            }
-        },
-
-        // single
-        showSearch: function(showSearchInput) {
-            if (this.showSearchInput === showSearchInput) return;
-
-            this.showSearchInput = showSearchInput;
-
-            this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
-            this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
-            //add "select2-with-searchbox" to the container if search box is shown
-            $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
-        },
-
-        // single
-        onSelect: function (data, options) {
-
-            if (!this.triggerSelect(data)) { return; }
-
-            var old = this.opts.element.val(),
-                oldData = this.data();
-
-            this.opts.element.val(this.id(data));
-            this.updateSelection(data);
-
-            this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
-
-            this.lastSearchTerm = this.search.val();
-            this.close();
-
-            if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
-                this.focusser.focus();
-            }
-
-            if (!equal(old, this.id(data))) {
-                this.triggerChange({ added: data, removed: oldData });
-            }
-        },
-
-        // single
-        updateSelection: function (data) {
-
-            var container=this.selection.find(".select2-chosen"), formatted, cssClass;
-
-            this.selection.data("select2-data", data);
-
-            container.empty();
-            if (data !== null) {
-                formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
-            }
-            if (formatted !== undefined) {
-                container.append(formatted);
-            }
-            cssClass=this.opts.formatSelectionCssClass(data, container);
-            if (cssClass !== undefined) {
-                container.addClass(cssClass);
-            }
-
-            this.selection.removeClass("select2-default");
-
-            if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
-                this.container.addClass("select2-allowclear");
-            }
-        },
-
-        // single
-        val: function () {
-            var val,
-                triggerChange = false,
-                data = null,
-                self = this,
-                oldData = this.data();
-
-            if (arguments.length === 0) {
-                return this.opts.element.val();
-            }
-
-            val = arguments[0];
-
-            if (arguments.length > 1) {
-                triggerChange = arguments[1];
-
-                if (this.opts.debug && console && console.warn) {
-                    console.warn(
-                        'Select2: The second option to `select2("val")` is not supported in Select2 4.0.0. ' +
-                        'The `change` event will always be triggered in 4.0.0.'
-                    );
-                }
-            }
-
-            if (this.select) {
-                if (this.opts.debug && console && console.warn) {
-                    console.warn(
-                        'Select2: Setting the value on a <select> using `select2("val")` is no longer supported in 4.0.0. ' +
-                        'You can use the `.val(newValue).trigger("change")` method provided by jQuery instead.'
-                    );
-                }
-
-                this.select
-                    .val(val)
-                    .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
-                        data = self.optionToData(elm);
-                        return false;
-                    });
-                this.updateSelection(data);
-                this.setPlaceholder();
-                if (triggerChange) {
-                    this.triggerChange({added: data, removed:oldData});
-                }
-            } else {
-                // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
-                if (!val && val !== 0) {
-                    this.clear(triggerChange);
-                    return;
-                }
-                if (this.opts.initSelection === undefined) {
-                    throw new Error("cannot call val() if initSelection() is not defined");
-                }
-                this.opts.element.val(val);
-                this.opts.initSelection(this.opts.element, function(data){
-                    self.opts.element.val(!data ? "" : self.id(data));
-                    self.updateSelection(data);
-                    self.setPlaceholder();
-                    if (triggerChange) {
-                        self.triggerChange({added: data, removed:oldData});
-                    }
-                });
-            }
-        },
-
-        // single
-        clearSearch: function () {
-            this.search.val("");
-            this.focusser.val("");
-        },
-
-        // single
-        data: function(value) {
-            var data,
-                triggerChange = false;
-
-            if (arguments.length === 0) {
-                data = this.selection.data("select2-data");
-                if (data == undefined) data = null;
-                return data;
-            } else {
-                if (this.opts.debug && console && console.warn) {
-                    console.warn(
-                        'Select2: The `select2("data")` method can no longer set selected values in 4.0.0, ' +
-                        'consider using the `.val()` method instead.'
-                    );
-                }
-
-                if (arguments.length > 1) {
-                    triggerChange = arguments[1];
-                }
-                if (!value) {
-                    this.clear(triggerChange);
-                } else {
-                    data = this.data();
-                    this.opts.element.val(!value ? "" : this.id(value));
-                    this.updateSelection(value);
-                    if (triggerChange) {
-                        this.triggerChange({added: value, removed:data});
-                    }
-                }
-            }
-        }
-    });
-
-    MultiSelect2 = clazz(AbstractSelect2, {
-
-        // multi
-        createContainer: function () {
-            var container = $(document.createElement("div")).attr({
-                "class": "select2-container select2-container-multi"
-            }).html([
-                "<ul class='select2-choices'>",
-                "  <li class='select2-search-field'>",
-                "    <label for='' class='select2-offscreen'></label>",
-                "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
-                "  </li>",
-                "</ul>",
-                "<div class='select2-drop select2-drop-multi select2-display-none'>",
-                "   <ul class='select2-results'>",
-                "   </ul>",
-                "</div>"].join(""));
-            return container;
-        },
-
-        // multi
-        prepareOpts: function () {
-            var opts = this.parent.prepareOpts.apply(this, arguments),
-                self=this;
-
-            // TODO validate placeholder is a string if specified
-            if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                // install the selection initializer
-                opts.initSelection = function (element, callback) {
-
-                    var data = [];
-
-                    element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
-                        data.push(self.optionToData(elm));
-                    });
-                    callback(data);
-                };
-            } else if ("data" in opts) {
-                // install default initSelection when applied to hidden input and data is local
-                opts.initSelection = opts.initSelection || function (element, callback) {
-                    var ids = splitVal(element.val(), opts.separator, opts.transformVal);
-                    //search in data by array of ids, storing matching items in a list
-                    var matches = [];
-                    opts.query({
-                        matcher: function(term, text, el){
-                            var is_match = $.grep(ids, function(id) {
-                                return equal(id, opts.id(el));
-                            }).length;
-                            if (is_match) {
-                                matches.push(el);
-                            }
-                            return is_match;
-                        },
-                        callback: !$.isFunction(callback) ? $.noop : function() {
-                            // reorder matches based on the order they appear in the ids array because right now
-                            // they are in the order in which they appear in data array
-                            var ordered = [];
-                            for (var i = 0; i < ids.length; i++) {
-                                var id = ids[i];
-                                for (var j = 0; j < matches.length; j++) {
-                                    var match = matches[j];
-                                    if (equal(id, opts.id(match))) {
-                                        ordered.push(match);
-                                        matches.splice(j, 1);
-                                        break;
-                                    }
-                                }
-                            }
-                            callback(ordered);
-                        }
-                    });
-                };
-            }
-
-            return opts;
-        },
-
-        // multi
-        selectChoice: function (choice) {
-
-            var selected = this.container.find(".select2-search-choice-focus");
-            if (selected.length && choice && choice[0] == selected[0]) {
-
-            } else {
-                if (selected.length) {
-                    this.opts.element.trigger("choice-deselected", selected);
-                }
-                selected.removeClass("select2-search-choice-focus");
-                if (choice && choice.length) {
-                    this.close();
-                    choice.addClass("select2-search-choice-focus");
-                    this.opts.element.trigger("choice-selected", choice);
-                }
-            }
-        },
-
-        // multi
-        destroy: function() {
-            $("label[for='" + this.search.attr('id') + "']")
-                .attr('for', this.opts.element.attr("id"));
-            this.parent.destroy.apply(this, arguments);
-
-            cleanupJQueryElements.call(this,
-                "searchContainer",
-                "selection"
-            );
-        },
-
-        // multi
-        initContainer: function () {
-
-            var selector = ".select2-choices", selection;
-
-            this.searchContainer = this.container.find(".select2-search-field");
-            this.selection = selection = this.container.find(selector);
-
-            var _this = this;
-            this.selection.on("click", ".select2-container:not(.select2-container-disabled) .select2-search-choice:not(.select2-locked)", function (e) {
-                _this.search[0].focus();
-                _this.selectChoice($(this));
-            });
-
-            // rewrite labels from original element to focusser
-            this.search.attr("id", "s2id_autogen"+nextUid());
-
-            this.search.prev()
-                .text($("label[for='" + this.opts.element.attr("id") + "']").text())
-                .attr('for', this.search.attr('id'));
-            this.opts.element.on('focus.select2', this.bind(function () { this.focus(); }));
-
-            this.search.on("input paste", this.bind(function() {
-                if (this.search.attr('placeholder') && this.search.val().length == 0) return;
-                if (!this.isInterfaceEnabled()) return;
-                if (!this.opened()) {
-                    this.open();
-                }
-            }));
-
-            this.search.attr("tabindex", this.elementTabIndex);
-
-            this.keydowns = 0;
-            this.search.on("keydown", this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-
-                ++this.keydowns;
-                var selected = selection.find(".select2-search-choice-focus");
-                var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
-                var next = selected.next(".select2-search-choice:not(.select2-locked)");
-                var pos = getCursorInfo(this.search);
-
-                if (selected.length &&
-                    (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
-                    var selectedChoice = selected;
-                    if (e.which == KEY.LEFT && prev.length) {
-                        selectedChoice = prev;
-                    }
-                    else if (e.which == KEY.RIGHT) {
-                        selectedChoice = next.length ? next : null;
-                    }
-                    else if (e.which === KEY.BACKSPACE) {
-                        if (this.unselect(selected.first())) {
-                            this.search.width(10);
-                            selectedChoice = prev.length ? prev : next;
-                        }
-                    } else if (e.which == KEY.DELETE) {
-                        if (this.unselect(selected.first())) {
-                            this.search.width(10);
-                            selectedChoice = next.length ? next : null;
-                        }
-                    } else if (e.which == KEY.ENTER) {
-                        selectedChoice = null;
-                    }
-
-                    this.selectChoice(selectedChoice);
-                    killEvent(e);
-                    if (!selectedChoice || !selectedChoice.length) {
-                        this.open();
-                    }
-                    return;
-                } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
-                    || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
-
-                    this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
-                    killEvent(e);
-                    return;
-                } else {
-                    this.selectChoice(null);
-                }
-
-                if (this.opened()) {
-                    switch (e.which) {
-                    case KEY.UP:
-                    case KEY.DOWN:
-                        this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
-                        killEvent(e);
-                        return;
-                    case KEY.ENTER:
-                        this.selectHighlighted();
-                        killEvent(e);
-                        return;
-                    case KEY.TAB:
-                        this.selectHighlighted({noFocus:true});
-                        this.close();
-                        return;
-                    case KEY.ESC:
-                        this.cancel(e);
-                        killEvent(e);
-                        return;
-                    }
-                }
-
-                if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
-                 || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
-                    return;
-                }
-
-                if (e.which === KEY.ENTER) {
-                    if (this.opts.openOnEnter === false) {
-                        return;
-                    } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
-                        return;
-                    }
-                }
-
-                this.open();
-
-                if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
-                    // prevent the page from scrolling
-                    killEvent(e);
-                }
-
-                if (e.which === KEY.ENTER) {
-                    // prevent form from being submitted
-                    killEvent(e);
-                }
-
-            }));
-
-            this.search.on("keyup", this.bind(function (e) {
-                this.keydowns = 0;
-                this.resizeSearch();
-            })
-            );
-
-            this.search.on("blur", this.bind(function(e) {
-                this.container.removeClass("select2-container-active");
-                this.search.removeClass("select2-focused");
-                this.selectChoice(null);
-                if (!this.opened()) this.clearSearch();
-                e.stopImmediatePropagation();
-                this.opts.element.trigger($.Event("select2-blur"));
-            }));
-
-            this.container.on("click", selector, this.bind(function (e) {
-                if (!this.isInterfaceEnabled()) return;
-                if ($(e.target).closest(".select2-search-choice").length > 0) {
-                    // clicked inside a select2 search choice, do not open
-                    return;
-                }
-                this.selectChoice(null);
-                this.clearPlaceholder();
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.open();
-                this.focusSearch();
-                e.preventDefault();
-            }));
-
-            this.container.on("focus", selector, this.bind(function () {
-                if (!this.isInterfaceEnabled()) return;
-                if (!this.container.hasClass("select2-container-active")) {
-                    this.opts.element.trigger($.Event("select2-focus"));
-                }
-                this.container.addClass("select2-container-active");
-                this.dropdown.addClass("select2-drop-active");
-                this.clearPlaceholder();
-            }));
-
-            this.initContainerWidth();
-            this.opts.element.hide();
-
-            // set the placeholder if necessary
-            this.clearSearch();
-        },
-
-        // multi
-        enableInterface: function() {
-            if (this.parent.enableInterface.apply(this, arguments)) {
-                this.search.prop("disabled", !this.isInterfaceEnabled());
-            }
-        },
-
-        // multi
-        initSelection: function () {
-            var data;
-            if (this.opts.element.val() === "" && this.opts.element.text() === "") {
-                this.updateSelection([]);
-                this.close();
-                // set the placeholder if necessary
-                this.clearSearch();
-            }
-            if (this.select || this.opts.element.val() !== "") {
-                var self = this;
-                this.opts.initSelection.call(null, this.opts.element, function(data){
-                    if (data !== undefined && data !== null) {
-                        self.updateSelection(data);
-                        self.close();
-                        // set the placeholder if necessary
-                        self.clearSearch();
-                    }
-                });
-            }
-        },
-
-        // multi
-        clearSearch: function () {
-            var placeholder = this.getPlaceholder(),
-                maxWidth = this.getMaxSearchWidth();
-
-            if (placeholder !== undefined  && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
-                this.search.val(placeholder).addClass("select2-default");
-                // stretch the search box to full width of the container so as much of the placeholder is visible as possible
-                // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
-                this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
-            } else {
-                this.search.val("").width(10);
-            }
-        },
-
-        // multi
-        clearPlaceholder: function () {
-            if (this.search.hasClass("select2-default")) {
-                this.search.val("").removeClass("select2-default");
-            }
-        },
-
-        // multi
-        opening: function () {
-            this.clearPlaceholder(); // should be done before super so placeholder is not used to search
-            this.resizeSearch();
-
-            this.parent.opening.apply(this, arguments);
-
-            this.focusSearch();
-
-            this.prefillNextSearchTerm();
-            this.updateResults(true);
-
-            if (this.opts.shouldFocusInput(this)) {
-                this.search.focus();
-            }
-            this.opts.element.trigger($.Event("select2-open"));
-        },
-
-        // multi
-        close: function () {
-            if (!this.opened()) return;
-            this.parent.close.apply(this, arguments);
-        },
-
-        // multi
-        focus: function () {
-            this.close();
-            this.search.focus();
-        },
-
-        // multi
-        isFocused: function () {
-            return this.search.hasClass("select2-focused");
-        },
-
-        // multi
-        updateSelection: function (data) {
-            var ids = {}, filtered = [], self = this;
-
-            // filter out duplicates
-            $(data).each(function () {
-                if (!(self.id(this) in ids)) {
-                    ids[self.id(this)] = 0;
-                    filtered.push(this);
-                }
-            });
-
-            this.selection.find(".select2-search-choice").remove();
-            this.addSelectedChoice(filtered);
-            self.postprocessResults();
-        },
-
-        // multi
-        tokenize: function() {
-            var input = this.search.val();
-            input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
-            if (input != null && input != undefined) {
-                this.search.val(input);
-                if (input.length > 0) {
-                    this.open();
-                }
-            }
-
-        },
-
-        // multi
-        onSelect: function (data, options) {
-
-            if (!this.triggerSelect(data) || data.text === "") { return; }
-
-            this.addSelectedChoice(data);
-
-            this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
-
-            // keep track of the search's value before it gets cleared
-            this.lastSearchTerm = this.search.val();
-
-            this.clearSearch();
-            this.updateResults();
-
-            if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
-
-            if (this.opts.closeOnSelect) {
-                this.close();
-                this.search.width(10);
-            } else {
-                if (this.countSelectableResults()>0) {
-                    this.search.width(10);
-                    this.resizeSearch();
-                    if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
-                        // if we reached max selection size repaint the results so choices
-                        // are replaced with the max selection reached message
-                        this.updateResults(true);
-                    } else {
-                        // initializes search's value with nextSearchTerm and update search result
-                        if (this.prefillNextSearchTerm()) {
-                            this.updateResults();
-                        }
-                    }
-                    this.positionDropdown();
-                } else {
-                    // if nothing left to select close
-                    this.close();
-                    this.search.width(10);
-                }
-            }
-
-            // since its not possible to select an element that has already been
-            // added we do not need to check if this is a new element before firing change
-            this.triggerChange({ added: data });
-
-            if (!options || !options.noFocus)
-                this.focusSearch();
-        },
-
-        // multi
-        cancel: function () {
-            this.close();
-            this.focusSearch();
-        },
-
-        addSelectedChoice: function (data) {
-            var val = this.getVal(), self = this;
-            $(data).each(function () {
-                val.push(self.createChoice(this));
-            });
-            this.setVal(val);
-        },
-
-        createChoice: function (data) {
-            var enableChoice = !data.locked,
-                enabledItem = $(
-                    "<li class='select2-search-choice'>" +
-                    "    <div></div>" +
-                    "    <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
-                    "</li>"),
-                disabledItem = $(
-                    "<li class='select2-search-choice select2-locked'>" +
-                    "<div></div>" +
-                    "</li>");
-            var choice = enableChoice ? enabledItem : disabledItem,
-                id = this.id(data),
-                formatted,
-                cssClass;
-
-            formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
-            if (formatted != undefined) {
-                choice.find("div").replaceWith($("<div></div>").html(formatted));
-            }
-            cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
-            if (cssClass != undefined) {
-                choice.addClass(cssClass);
-            }
-
-            if(enableChoice){
-              choice.find(".select2-search-choice-close")
-                  .on("mousedown", killEvent)
-                  .on("click dblclick", this.bind(function (e) {
-                  if (!this.isInterfaceEnabled()) return;
-
-                  this.unselect($(e.target));
-                  this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
-                  killEvent(e);
-                  this.close();
-                  this.focusSearch();
-              })).on("focus", this.bind(function () {
-                  if (!this.isInterfaceEnabled()) return;
-                  this.container.addClass("select2-container-active");
-                  this.dropdown.addClass("select2-drop-active");
-              }));
-            }
-
-            choice.data("select2-data", data);
-            choice.insertBefore(this.searchContainer);
-
-            return id;
-        },
-
-        // multi
-        unselect: function (selected) {
-            var val = this.getVal(),
-                data,
-                index;
-            selected = selected.closest(".select2-search-choice");
-
-            if (selected.length === 0) {
-                throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
-            }
-
-            data = selected.data("select2-data");
-
-            if (!data) {
-                // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
-                // and invoked on an element already removed
-                return;
-            }
-
-            var evt = $.Event("select2-removing");
-            evt.val = this.id(data);
-            evt.choice = data;
-            this.opts.element.trigger(evt);
-
-            if (evt.isDefaultPrevented()) {
-                return false;
-            }
-
-            while((index = indexOf(this.id(data), val)) >= 0) {
-                val.splice(index, 1);
-                this.setVal(val);
-                if (this.select) this.postprocessResults();
-            }
-
-            selected.remove();
-
-            this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
-            this.triggerChange({ removed: data });
-
-            return true;
-        },
-
-        // multi
-        postprocessResults: function (data, initial, noHighlightUpdate) {
-            var val = this.getVal(),
-                choices = this.results.find(".select2-result"),
-                compound = this.results.find(".select2-result-with-children"),
-                self = this;
-
-            choices.each2(function (i, choice) {
-                var id = self.id(choice.data("select2-data"));
-                if (indexOf(id, val) >= 0) {
-                    choice.addClass("select2-selected");
-                    // mark all children of the selected parent as selected
-                    choice.find(".select2-result-selectable").addClass("select2-selected");
-                }
-            });
-
-            compound.each2(function(i, choice) {
-                // hide an optgroup if it doesn't have any selectable children
-                if (!choice.is('.select2-result-selectable')
-                    && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
-                    choice.addClass("select2-selected");
-                }
-            });
-
-            if (this.highlight() == -1 && noHighlightUpdate !== false && this.opts.closeOnSelect === true){
-                self.highlight(0);
-            }
-
-            //If all results are chosen render formatNoMatches
-            if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
-                if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
-                    if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
-                        this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>");
-                    }
-                }
-            }
-
-        },
-
-        // multi
-        getMaxSearchWidth: function() {
-            return this.selection.width() - getSideBorderPadding(this.search);
-        },
-
-        // multi
-        resizeSearch: function () {
-            var minimumWidth, left, maxWidth, containerLeft, searchWidth,
-                sideBorderPadding = getSideBorderPadding(this.search);
-
-            minimumWidth = measureTextWidth(this.search) + 10;
-
-            left = this.search.offset().left;
-
-            maxWidth = this.selection.width();
-            containerLeft = this.selection.offset().left;
-
-            searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
-
-            if (searchWidth < minimumWidth) {
-                searchWidth = maxWidth - sideBorderPadding;
-            }
-
-            if (searchWidth < 40) {
-                searchWidth = maxWidth - sideBorderPadding;
-            }
-
-            if (searchWidth <= 0) {
-              searchWidth = minimumWidth;
-            }
-
-            this.search.width(Math.floor(searchWidth));
-        },
-
-        // multi
-        getVal: function () {
-            var val;
-            if (this.select) {
-                val = this.select.val();
-                return val === null ? [] : val;
-            } else {
-                val = this.opts.element.val();
-                return splitVal(val, this.opts.separator, this.opts.transformVal);
-            }
-        },
-
-        // multi
-        setVal: function (val) {
-            if (this.select) {
-                this.select.val(val);
-            } else {
-                var unique = [], valMap = {};
-                // filter out duplicates
-                $(val).each(function () {
-                    if (!(this in valMap)) {
-                        unique.push(this);
-                        valMap[this] = 0;
-                    }
-                });
-                this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
-            }
-        },
-
-        // multi
-        buildChangeDetails: function (old, current) {
-            var current = current.slice(0),
-                old = old.slice(0);
-
-            // remove intersection from each array
-            for (var i = 0; i < current.length; i++) {
-                for (var j = 0; j < old.length; j++) {
-                    if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
-                        current.splice(i, 1);
-                        i--;
-                        old.splice(j, 1);
-                        break;
-                    }
-                }
-            }
-
-            return {added: current, removed: old};
-        },
-
-
-        // multi
-        val: function (val, triggerChange) {
-            var oldData, self=this;
-
-            if (arguments.length === 0) {
-                return this.getVal();
-            }
-
-            oldData=this.data();
-            if (!oldData.length) oldData=[];
-
-            // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
-            if (!val && val !== 0) {
-                this.opts.element.val("");
-                this.updateSelection([]);
-                this.clearSearch();
-                if (triggerChange) {
-                    this.triggerChange({added: this.data(), removed: oldData});
-                }
-                return;
-            }
-
-            // val is a list of ids
-            this.setVal(val);
-
-            if (this.select) {
-                this.opts.initSelection(this.select, this.bind(this.updateSelection));
-                if (triggerChange) {
-                    this.triggerChange(this.buildChangeDetails(oldData, this.data()));
-                }
-            } else {
-                if (this.opts.initSelection === undefined) {
-                    throw new Error("val() cannot be called if initSelection() is not defined");
-                }
-
-                this.opts.initSelection(this.opts.element, function(data){
-                    var ids=$.map(data, self.id);
-                    self.setVal(ids);
-                    self.updateSelection(data);
-                    self.clearSearch();
-                    if (triggerChange) {
-                        self.triggerChange(self.buildChangeDetails(oldData, self.data()));
-                    }
-                });
-            }
-            this.clearSearch();
-        },
-
-        // multi
-        onSortStart: function() {
-            if (this.select) {
-                throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
-            }
-
-            // collapse search field into 0 width so its container can be collapsed as well
-            this.search.width(0);
-            // hide the container
-            this.searchContainer.hide();
-        },
-
-        // multi
-        onSortEnd:function() {
-
-            var val=[], self=this;
-
-            // show search and move it to the end of the list
-            this.searchContainer.show();
-            // make sure the search container is the last item in the list
-            this.searchContainer.appendTo(this.searchContainer.parent());
-            // since we collapsed the width in dragStarted, we resize it here
-            this.resizeSearch();
-
-            // update selection
-            this.selection.find(".select2-search-choice").each(function() {
-                val.push(self.opts.id($(this).data("select2-data")));
-            });
-            this.setVal(val);
-            this.triggerChange();
-        },
-
-        // multi
-        data: function(values, triggerChange) {
-            var self=this, ids, old;
-            if (arguments.length === 0) {
-                 return this.selection
-                     .children(".select2-search-choice")
-                     .map(function() { return $(this).data("select2-data"); })
-                     .get();
-            } else {
-                old = this.data();
-                if (!values) { values = []; }
-                ids = $.map(values, function(e) { return self.opts.id(e); });
-                this.setVal(ids);
-                this.updateSelection(values);
-                this.clearSearch();
-                if (triggerChange) {
-                    this.triggerChange(this.buildChangeDetails(old, this.data()));
-                }
-            }
-        }
-    });
-
-    $.fn.select2 = function () {
-
-        var args = Array.prototype.slice.call(arguments, 0),
-            opts,
-            select2,
-            method, value, multiple,
-            allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
-            valueMethods = ["opened", "isFocused", "container", "dropdown"],
-            propertyMethods = ["val", "data"],
-            methodsMap = { search: "externalSearch" };
-
-        this.each(function () {
-            if (args.length === 0 || typeof(args[0]) === "object") {
-                opts = args.length === 0 ? {} : $.extend({}, args[0]);
-                opts.element = $(this);
-
-                if (opts.element.get(0).tagName.toLowerCase() === "select") {
-                    multiple = opts.element.prop("multiple");
-                } else {
-                    multiple = opts.multiple || false;
-                    if ("tags" in opts) {opts.multiple = multiple = true;}
-                }
-
-                select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
-                select2.init(opts);
-            } else if (typeof(args[0]) === "string") {
-
-                if (indexOf(args[0], allowedMethods) < 0) {
-                    throw "Unknown method: " + args[0];
-                }
-
-                value = undefined;
-                select2 = $(this).data("select2");
-                if (select2 === undefined) return;
-
-                method=args[0];
-
-                if (method === "container") {
-                    value = select2.container;
-                } else if (method === "dropdown") {
-                    value = select2.dropdown;
-                } else {
-                    if (methodsMap[method]) method = methodsMap[method];
-
-                    value = select2[method].apply(select2, args.slice(1));
-                }
-                if (indexOf(args[0], valueMethods) >= 0
-                    || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
-                    return false; // abort the iteration, ready to return first matched value
-                }
-            } else {
-                throw "Invalid arguments to select2 plugin: " + args;
-            }
-        });
-        return (value === undefined) ? this : value;
-    };
-
-    // plugin defaults, accessible to users
-    $.fn.select2.defaults = {
-        debug: false,
-        width: "copy",
-        loadMorePadding: 0,
-        closeOnSelect: true,
-        openOnEnter: true,
-        containerCss: {},
-        dropdownCss: {},
-        containerCssClass: "",
-        dropdownCssClass: "",
-        formatResult: function(result, container, query, escapeMarkup) {
-            var markup=[];
-            markMatch(this.text(result), query.term, markup, escapeMarkup);
-            return markup.join("");
-        },
-        transformVal: function(val) {
-            return $.trim(val);
-        },
-        formatSelection: function (data, container, escapeMarkup) {
-            return data ? escapeMarkup(this.text(data)) : undefined;
-        },
-        sortResults: function (results, container, query) {
-            return results;
-        },
-        formatResultCssClass: function(data) {return data.css;},
-        formatSelectionCssClass: function(data, container) {return undefined;},
-        minimumResultsForSearch: 0,
-        minimumInputLength: 0,
-        maximumInputLength: null,
-        maximumSelectionSize: 0,
-        id: function (e) { return e == undefined ? null : e.id; },
-        text: function (e) {
-          if (e && this.data && this.data.text) {
-            if ($.isFunction(this.data.text)) {
-              return this.data.text(e);
-            } else {
-              return e[this.data.text];
-            }
-          } else {
-            return e.text;
-          }
-        },
-        matcher: function(term, text) {
-            return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
-        },
-        separator: ",",
-        tokenSeparators: [],
-        tokenizer: defaultTokenizer,
-        escapeMarkup: defaultEscapeMarkup,
-        blurOnChange: false,
-        selectOnBlur: false,
-        adaptContainerCssClass: function(c) { return c; },
-        adaptDropdownCssClass: function(c) { return null; },
-        nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
-        searchInputPlaceholder: '',
-        createSearchChoicePosition: 'top',
-        shouldFocusInput: function (instance) {
-            // Attempt to detect touch devices
-            var supportsTouchEvents = (('ontouchstart' in window) ||
-                                       (navigator.msMaxTouchPoints > 0));
-
-            // Only devices which support touch events should be special cased
-            if (!supportsTouchEvents) {
-                return true;
-            }
-
-            // Never focus the input if search is disabled
-            if (instance.opts.minimumResultsForSearch < 0) {
-                return false;
-            }
-
-            return true;
-        }
-    };
-
-    $.fn.select2.locales = [];
-
-    $.fn.select2.locales['en'] = {
-         formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; },
-         formatNoMatches: function () { return "No matches found"; },
-         formatAjaxError: function (jqXHR, textStatus, errorThrown) { return "Loading failed"; },
-         formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1 ? "" : "s"); },
-         formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1 ? "" : "s"); },
-         formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
-         formatLoadMore: function (pageNumber) { return "Loading more results…"; },
-         formatSearching: function () { return "Searching…"; }
-    };
-
-    $.extend($.fn.select2.defaults, $.fn.select2.locales['en']);
-
-    $.fn.select2.ajaxDefaults = {
-        transport: $.ajax,
-        params: {
-            type: "GET",
-            cache: false,
-            dataType: "json"
-        }
-    };
-
-    // exports
-    window.Select2 = {
-        query: {
-            ajax: ajax,
-            local: local,
-            tags: tags
-        }, util: {
-            debounce: debounce,
-            markMatch: markMatch,
-            escapeMarkup: defaultEscapeMarkup,
-            stripDiacritics: stripDiacritics
-        }, "class": {
-            "abstract": AbstractSelect2,
-            "single": SingleSelect2,
-            "multi": MultiSelect2
-        }
-    };
-
-}(jQuery));