Support for url_list site setting.

app/assets/javascripts/admin/components/site-setting.js.es6

@@ -0,0 +1,91 @@
+import BufferedContent from 'discourse/mixins/buffered-content';
+import SiteSetting from 'admin/models/site-setting';
+
+const CustomTypes = ['bool', 'enum', 'list', 'url_list'];
+
+export default Ember.Component.extend(BufferedContent, Discourse.ScrollTop, {
+  classNameBindings: [':row', ':setting', 'setting.overridden', 'typeClass'],
+  content: Ember.computed.alias('setting'),
+  dirty: Discourse.computed.propertyNotEqual('buffered.value', 'setting.value'),
+  validationMessage: null,
+
+  preview: function() {
+    const preview = this.get('setting.preview');
+    if (preview) {
+      return new Handlebars.SafeString("<div class='preview'>" +
+                                        preview.replace("{{value}}", this.get('buffered.value')) +
+                                        "</div>");
+    }
+  }.property('buffered.value'),
+
+  typeClass: function() {
+    return this.get('partialType').replace("_", "-");
+  }.property('partialType'),
+
+  enabled: function(key, value) {
+    if (arguments.length > 1) {
+      this.set('buffered.value', value ? 'true' : 'false');
+    }
+
+    const bufferedValue = this.get('buffered.value');
+    if (Ember.isEmpty(bufferedValue)) { return false; }
+    return bufferedValue === 'true';
+  }.property('buffered.value'),
+
+  settingName: function() {
+    return this.get('setting.setting').replace(/\_/g, ' ');
+  }.property('setting.setting'),
+
+  partialType: function()  {
+    let type = this.get('setting.type');
+    return (CustomTypes.indexOf(type) !== -1) ? type : 'string';
+  }.property('setting.type'),
+
+  partialName: function() {
+    return 'admin/templates/site-settings/' + this.get('partialType');
+  }.property('partialType'),
+
+  _watchEnterKey: function() {
+    const self = this;
+    this.$().on("keydown.site-setting-enter", ".input-setting-string", function (e) {
+      if (e.keyCode === 13) { // enter key
+        self._save();
+      }
+    });
+  }.on('didInsertElement'),
+
+  _removeBindings: function() {
+    this.$().off("keydown.site-setting-enter");
+  }.on("willDestroyElement"),
+
+  _save() {
+    const setting = this.get('buffered');
+    const self = this;
+    SiteSetting.update(setting.get('setting'), setting.get('value')).then(function() {
+      self.set('validationMessage', null);
+      self.commitBuffer();
+    }).catch(function(e) {
+      if (e.responseJSON && e.responseJSON.errors) {
+        self.set('validationMessage', e.responseJSON.errors[0]);
+      } else {
+        self.set('validationMessage', I18n.t('generic_error'));
+      }
+    });
+  },
+
+  actions: {
+    save() {
+      this._save();
+    },
+
+    resetDefault() {
+      this.set('buffered.value', this.get('setting.default'));
+      this._save();
+    },
+
+    cancel() {
+      this.rollbackBuffer();
+    }
+  }
+
+});