return this.edit.getPropertyChangeListeners();
}
private void showChangedIndicator(){
if( this.isAttached() && this.hasChanged ){
OpacityWrapper o = new OpacityWrapper(marker);
o.setOpacity(new Double(0.0));
RootPanel.get().add( this.marker );
PositionWrapper w = new PositionWrapper(marker);
w.setPosition("absolute");
w.setTop( this.root.getAbsoluteTop()+"px" );
w.setRight( this.root.getAbsoluteLeft() + this.root.getOffsetWidth() +"px");