code: function() {
                  if (this.getTrigger() === 'hover') {
                      this.$target
                          .off('mouseenter mouseleave')
                          .on('mouseenter', $.proxy(this.mouseenterHandler, this))
                          .on('mouseleave', $.proxy(this.mouseleaveHandler, this));
                  }
                  this.$target.find('.close').off('click').on('click', $.proxy(this.hide, this, true));
                  //this.$target.off('click.webui-popover').on('click.webui-popover', $.proxy(this.targetClickHandler, this));
              }
docs: /*
  targetClickHandler: function() {
  this._targetclick = true;
  },
   reset and init the target events;