rem: return this.getSelectedItems()[0]; 
add: return this.getManager().getSelectedItem(); 
context: qx.Proto.getSelectedElement = function() {  return this.getSelectedItems()[0];}
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/f8e2eba338e8b67c28215cb33610bf2760fe5f02/Tree.js/clean/qooxdoo/frontend/framework/source/class/qx/ui/tree/Tree.js