Bug 53098 [KeyBindings] KeyBinding service must bind (DEL) key to ActionFactory.DELETE
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
enableActions(true);
			}
			public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId) {
				
			}
		});
		
		prefListener = new Preferences.IPropertyChangeListener() {
			public void propertyChange(Preferences.PropertyChangeEvent event) {
				if (event.getProperty().equals(ResourcesPlugin.PREF_AUTO_BUILDING)) {
					final boolean autoBuild = ResourcesPlugin.getWorkspace().isAutoBuilding();
					if (window.getShell() != null && !window.getShell().isDisposed()) {
						
						window.getShell().getDisplay().syncExec(new Runnable() {
							public void run() {
								if (autoBuild) {
									removeManualIncrementalBuildAction();
								}
								else {
									addManualIncrementalBuildAction();
								}
							}
						});
					}
				}
			}
		};
		ResourcesPlugin.getPlugin().getPluginPreferences().addPropertyChangeListener(prefListener);
		
	}