Remove old LabelManager.

app/assets/javascripts/LabelManager.js

-(function() {
-  this.LabelManager = (function() {
-    LabelManager.prototype.errorMessage = 'Unable to update label prioritization at this time';
-
-    function LabelManager(opts) {
-      // Defaults
-      var ref, ref1, ref2;
-      if (opts == null) {
-        opts = {};
-      }
-      this.togglePriorityButton = (ref = opts.togglePriorityButton) != null ? ref : $('.js-toggle-priority'), this.prioritizedLabels = (ref1 = opts.prioritizedLabels) != null ? ref1 : $('.js-prioritized-labels'), this.otherLabels = (ref2 = opts.otherLabels) != null ? ref2 : $('.js-other-labels');
-      this.prioritizedLabels.sortable({
-        items: 'li',
-        placeholder: 'list-placeholder',
-        axis: 'y',
-        update: this.onPrioritySortUpdate.bind(this)
-      });
-      this.bindEvents();
-    }
-
-    LabelManager.prototype.bindEvents = function() {
-      return this.togglePriorityButton.on('click', this, this.onTogglePriorityClick);
-    };
-
-    LabelManager.prototype.onTogglePriorityClick = function(e) {
-      var $btn, $label, $tooltip, _this, action;
-      e.preventDefault();
-      _this = e.data;
-      $btn = $(e.currentTarget);
-      $label = $("#" + ($btn.data('domId')));
-      action = $btn.parents('.js-prioritized-labels').length ? 'remove' : 'add';
-      // Make sure tooltip will hide
-      $tooltip = $("#" + ($btn.find('.has-tooltip:visible').attr('aria-describedby')));
-      $tooltip.tooltip('destroy');
-      return _this.toggleLabelPriority($label, action);
-    };
-
-    LabelManager.prototype.toggleLabelPriority = function($label, action, persistState) {
-      var $from, $target, _this, url, xhr;
-      if (persistState == null) {
-        persistState = true;
-      }
-      _this = this;
-      url = $label.find('.js-toggle-priority').data('url');
-      $target = this.prioritizedLabels;
-      $from = this.otherLabels;
-      // Optimistic update
-      if (action === 'remove') {
-        $target = this.otherLabels;
-        $from = this.prioritizedLabels;
-      }
-      if ($from.find('li').length === 1) {
-        $from.find('.empty-message').removeClass('hidden');
-      }
-      if (!$target.find('li').length) {
-        $target.find('.empty-message').addClass('hidden');
-      }
-      $label.detach().appendTo($target);
-      // Return if we are not persisting state
-      if (!persistState) {
-        return;
-      }
-      if (action === 'remove') {
-        xhr = $.ajax({
-          url: url,
-          type: 'DELETE'
-        });
-        // Restore empty message
-        if (!$from.find('li').length) {
-          $from.find('.empty-message').removeClass('hidden');
-        }
-      } else {
-        xhr = this.savePrioritySort($label, action);
-      }
-      return xhr.fail(this.rollbackLabelPosition.bind(this, $label, action));
-    };
-
-    LabelManager.prototype.onPrioritySortUpdate = function() {
-      var xhr;
-      xhr = this.savePrioritySort();
-      return xhr.fail(function() {
-        return new Flash(this.errorMessage, 'alert');
-      });
-    };
-
-    LabelManager.prototype.savePrioritySort = function() {
-      return $.post({
-        url: this.prioritizedLabels.data('url'),
-        data: {
-          label_ids: this.getSortedLabelsIds()
-        }
-      });
-    };
-
-    LabelManager.prototype.rollbackLabelPosition = function($label, originalAction) {
-      var action;
-      action = originalAction === 'remove' ? 'add' : 'remove';
-      this.toggleLabelPriority($label, action, false);
-      return new Flash(this.errorMessage, 'alert');
-    };
-
-    LabelManager.prototype.getSortedLabelsIds = function() {
-      var sortedIds;
-      sortedIds = [];
-      this.prioritizedLabels.find('li').each(function() {
-        return sortedIds.push($(this).data('id'));
-      });
-      return sortedIds;
-    };
-
-    return LabelManager;
-
-  })();
-
-}).call(this);