rem: if (!this.isEnabled()) return false; 
add: if (!this._enabled) return false; 
context:     _textClickListener: function(event, item) {        if (!this.isEnabled()) return false;        var item = tw_getEventTarget(event, "treeRow");        this.setFocus(true);        this._select(item, true);        var action = this._getClickAction(event.type, item);        if (action == null) return;        this.fireAction(action, this._fullIndex(item));    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/Tree.js/clean/src/thinwire/render/web/resources/Tree.js