gistfile1.js

        contentView: SC.ListView.design({
          listItemActionProperty: 'actionClassName',
          contentValueKey: "title",
          contentBinding: "BB.associationListController.arrangedObjects",
          //isEditable: YES,
          //canReorderContent: YES,
          exampleView: SC.ListItemView.extend({
            renderAction: function(context, actionClassName){
              context.push('<img src="',
                SC.BLANK_IMAGE_URL,
                '" class="action sc-mini-icon ',
                actionClassName,
                '" />');
            },
            mouseDown: function(evt) {
              // if inside action icon
              if (this._isInsideElementWithClassName('action', evt)) {
                content = this.get('content') ;
                if (content && content.performAction) {
                  content.performAction(this);
                }
                return NO; // should not be called on mouseUp
              }
              sc_super();
            }
          })