/**
 * Adds the new wizards to the current perspective displayed in <code>activeWorkbenchWindow</code>, if they've not
 * been added already. Adds listeners on the window so that the same is done whenever the user switches perspectives
 * in the window.
 *
 * Note: This method can only be called once the workbench has been started.
 */
private void maybeAddNewWizardActionsToWindow(IWorkbenchWindow activeWorkbenchWindow) {
  if (activeWorkbenchWindow == null) {
    return;
  }

  activeWorkbenchWindow.addPerspectiveListener(perspectiveListener);

  WorkbenchPage activePage = (WorkbenchPage) activeWorkbenchWindow.getActivePage();
  if (activePage == null) {
    return;
  }

  IPerspectiveDescriptor perspectiveDesc = activePage.getPerspective();
  maybeAddNewWizardActionsToPerspective(activePage, perspectiveDesc);
}
 

@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
	final IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event);
	if (activeWorkbenchWindow != null) {
		final WorkbenchPage page = (WorkbenchPage) activeWorkbenchWindow.getActivePage();
		if (page != null) {
			final IPerspectiveDescriptor descriptor = page.getPerspective();
			if (descriptor != null) {
				final String message =
						"Resetting the perspective will reload the current experiment. Do you want to proceed ?";
				final boolean result = MessageDialog.open(MessageDialog.QUESTION, activeWorkbenchWindow.getShell(),
						"Reset experiment perspective", message, SWT.SHEET);
				if (!result) { return null; }
				page.resetPerspective();
				GAMA.reloadFrontmostExperiment();
			}

		}
	}

	return null;

}
 

/**
 * Register to selection service to update button enablement
 * Register the Automatic Perspective switch part listener
 */
@Override
public void postWindowOpen() {
    IWorkbenchWindowConfigurer configurer = getWindowConfigurer();
    configurer.addEditorAreaTransfer(EditorInputTransfer.getInstance());
    configurer.addEditorAreaTransfer(ResourceTransfer.getInstance());
    configurer.addEditorAreaTransfer(FileTransfer.getInstance());
    configurer.addEditorAreaTransfer(MarkerTransfer.getInstance());
    configurer.configureEditorAreaDropListener(new EditorAreaDropAdapter(
            configurer.getWindow()));

    final MWindow model = ((WorkbenchPage) window.getActivePage()).getWindowModel();
    model.getContext().get(EPartService.class).addPartListener(new AutomaticSwitchPerspectivePartListener());
    final Object widget = model.getWidget();
    if (widget instanceof Shell) {
        ((Widget) widget).setData(SWTBotConstants.SWTBOT_WIDGET_ID_KEY, SWTBotConstants.SWTBOT_ID_MAIN_SHELL);
    }
    // Replace ObjectActionContributorManager with filtered actions
    CustomObjectActionContributorManager.getManager();
}
 

@Override
protected EvaluationResult evaluate(IEvaluationContext context) {

	IWorkbenchWindow window = InternalHandlerUtil.getActiveWorkbenchWindow(context);
	// no window? not active
	if (window == null)
		return EvaluationResult.FALSE;
	WorkbenchPage page = (WorkbenchPage) window.getActivePage();

	// no page? not active
	if (page == null)
		return EvaluationResult.FALSE;

	// get saveable part
	ISaveablePart saveablePart = getSaveablePart(context);
	if (saveablePart == null)
		return EvaluationResult.FALSE;

	if (saveablePart instanceof ISaveablesSource) {
		ISaveablesSource modelSource = (ISaveablesSource) saveablePart;
		if (SaveableHelper.needsSave(modelSource))
			return EvaluationResult.TRUE;
		return EvaluationResult.FALSE;
	}

	if (saveablePart != null && saveablePart.isDirty())
		return EvaluationResult.TRUE;

	return EvaluationResult.FALSE;
}
 

public static IEditorReference[] getSortedEditors(IWorkbenchPage page) {
	IEditorReference[] result = null;
	if (page != null && page instanceof WorkbenchPage) {
		result = ((WorkbenchPage) page).getSortedEditors();			
	}
	return result;
}
 

@Override
public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspectiveDesc) {
  maybeAddNewWizardActionsToPerspective((WorkbenchPage) page, perspectiveDesc);
}
 

/**
 * If we haven't added them in the past, add the new wizard actions that this to the perspective which is being
 * displayed on the workbench page.
 *
 * Note: This method can only be called once the workbench has been started.
 */
private void maybeAddNewWizardActionsToPerspective(WorkbenchPage page, IPerspectiveDescriptor desc) {
  if (page == null || desc == null) {
    return;
  }

  if (PERSPECTIVES_TO_ADD_WIZARDS_TO.contains(desc.getId())) {
    // Perspective perspective = page.findPerspective(desc);
    // if (perspective != null) {
    // List<String> wizardsToAdd = new ArrayList<String>(
    // WIZARDS_TO_ADD_TO_PERSPECTIVES);
    //
    // // Ignore any wizards we've already tried to add to this perspective.
    // // That way we don't re-add any wizards that the user explicitly
    // // removed from the New shortcut menu.
    // List<String> wizardsAlreadyAdded = GdtPreferences
    // .getAddedNewWizardActionsForPerspective(desc.getId());
    // wizardsToAdd.removeAll(wizardsAlreadyAdded);
    //
    // // Get the current set of wizard shortcuts
    // List<String> currentWizardShortcuts = new ArrayList<String>(
    // Arrays.asList(perspective.getNewWizardShortcuts()));
    //
    // // Ignore wizards that already have shortcuts in this perspective
    // wizardsToAdd.removeAll(currentWizardShortcuts);
    //
    // // Only update the perspective if there are new wizards to add
    // if (!wizardsToAdd.isEmpty()) {
    // currentWizardShortcuts.addAll(wizardsToAdd);
    //
    // // Update the perspective
    // perspective.setNewWizardActionIds(new ArrayList<String>(
    // currentWizardShortcuts));
    // }
    //
    // // Remember the wizards that we've attempted to add to this perspective
    // GdtPreferences.setAddedNewWizardActionsForPerspective(desc.getId(),
    // WIZARDS_TO_ADD_TO_PERSPECTIVES);
    // } else {
    // assert false : "Perspective was activated but not found";
    // }
  }
}
 

@Override
public IActionBars getActionBars() {
    return new EditorActionBars((WorkbenchPage) getPage(),
            (IServiceLocator) PlatformUI.getWorkbench().getService(IServiceLocator.class), GroovyEditor.EDITOR_ID);
}