Examples of org.eclipse.swt.widgets.Widget.addDisposeListener()

org.eclipse.swt.widgets.Widget.addDisposeListener()

Adds the listener to the collection of listeners who will be notified when the widget is disposed. When the widget is disposed, the listener is notified by sending it the widgetDisposed() message. @param listener the listener which should be notified when the receiver is disposed @exception IllegalArgumentException

ERROR_NULL_ARGUMENT - if the listener is null

@exception SWTException

ERROR_WIDGET_DISPOSED - if the receiver has been disposed
ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

@see DisposeListener @see #removeDisposeListener

  public static IBindingContext createBindingContext(Object host) {
    Widget widget = getWidget(host);
    final IBindingContext dataBindingContext = new BindingContext(
        widget);
    dataBindingContext.setRealm(XWT.getRealm());
    widget.addDisposeListener(new DisposeListener() {


      public void widgetDisposed(DisposeEvent e) {
        dataBindingContext.dispose();
      }
    });

                Log.log("Gained focus on disposed widget?");
                stop(widget);
                return; //this can't be right...
            }


            widget.addDisposeListener(this);
            currWidget = widget;
            changeState(true);
        }


        protected void changeState(boolean newActiveState) {

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