| /******************************************************************************* |
| * Copyright (c) 2007, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.e4.ui.model.application.ui.MElementContainer; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder; |
| import org.eclipse.e4.ui.model.application.ui.basic.MPartStack; |
| import org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Shows a list of open editors in the current or last active workbook. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class WorkbookEditorsHandler extends AbstractHandler { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| */ |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IWorkbenchWindow workbenchWindow = HandlerUtil.getActiveWorkbenchWindowChecked(event); |
| WorkbenchPage page = (WorkbenchPage) workbenchWindow.getActivePage(); |
| if (page != null) { |
| MUIElement area = page.findSharedArea(); |
| if (area instanceof MPlaceholder) { |
| area = ((MPlaceholder) area).getRef(); |
| } |
| |
| MPartStack activeStack = getActiveStack(area); |
| if (activeStack != null) { |
| if (activeStack.getRenderer() instanceof StackRenderer |
| && activeStack.getWidget() instanceof CTabFolder) { |
| StackRenderer stackRenderer = (StackRenderer) activeStack.getRenderer(); |
| stackRenderer.showAvailableItems(activeStack, |
| (CTabFolder) activeStack.getWidget()); |
| } |
| } |
| } |
| return null; |
| } |
| |
| private MPartStack getActiveStack(Object element) { |
| if (element instanceof MPartStack) { |
| return (MPartStack) element; |
| } else if (element instanceof MElementContainer<?>) { |
| return getActiveStack(((MElementContainer<?>) element).getSelectedElement()); |
| } |
| return null; |
| } |
| |
| } |