Convert admin section controllers to ES6 modules

app/assets/javascripts/admin/controllers/admin-customize-css-html.js.es6

@@ -0,0 +1,63 @@
+/**
+  This controller supports interface for creating custom CSS skins in Discourse.
+
+  @class AdminCustomizeCssHtmlController
+  @extends Ember.Controller
+  @namespace Discourse
+  @module Discourse
+**/
+export default Ember.ArrayController.extend({
+
+  actions: {
+
+    /**
+      Create a new customization style
+
+      @method newCustomization
+    **/
+    newCustomization: function() {
+      var item = Discourse.SiteCustomization.create({name: I18n.t("admin.customize.new_style")});
+      this.pushObject(item);
+      this.set('selectedItem', item);
+    },
+
+    /**
+      Select a given style
+
+      @method selectStyle
+      @param {Discourse.SiteCustomization} style The style we are selecting
+    **/
+    selectStyle: function(style) {
+      this.set('selectedItem', style);
+    },
+
+    /**
+      Save the current customization
+
+      @method save
+    **/
+    save: function() {
+      this.get('selectedItem').save();
+    },
+
+    /**
+      Destroy the current customization
+
+      @method destroy
+    **/
+    destroy: function() {
+      var _this = this;
+      return bootbox.confirm(I18n.t("admin.customize.delete_confirm"), I18n.t("no_value"), I18n.t("yes_value"), function(result) {
+        var selected;
+        if (result) {
+          selected = _this.get('selectedItem');
+          selected.destroy();
+          _this.set('selectedItem', null);
+          return _this.removeObject(selected);
+        }
+      });
+    }
+
+  }
+
+});