discourse/app/assets/javascripts/admin/controllers/admin_customize_controller.js

(function() {

  window.Discourse.AdminCustomizeController = Ember.Controller.extend({
    newCustomization: function() {
      var item;
      item = Discourse.SiteCustomization.create({
        name: 'New Style'
      });
      this.get('content').pushObject(item);
      return this.set('content.selectedItem', item);
    },
    selectStyle: function(style) {
      return this.set('content.selectedItem', style);
    },
    save: function() {
      return this.get('content.selectedItem').save();
    },
    "delete": function() {
      var _this = this;
      return bootbox.confirm(Em.String.i18n("admin.customize.delete_confirm"), Em.String.i18n("no_value"), Em.String.i18n("yes_value"), function(result) {
        var selected;
        if (result) {
          selected = _this.get('content.selectedItem');
          selected["delete"]();
          _this.set('content.selectedItem', null);
          return _this.get('content').removeObject(selected);
        }
      });
    }
  });

}).call(this);