| /* |
| * Copyright (c) 2010-2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Martin Fluegge - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.dawn.helper; |
| |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * TODO move this one to the dawn.util bundle |
| * |
| * @author Martin Fluegge |
| */ |
| public class DawnEditorHelper |
| { |
| /** |
| * Delivers the active shell from the current display. |
| * |
| * @return the active shell on the current display |
| */ |
| public static Shell getActiveShell() |
| { |
| Shell shell = Display.getCurrent().getActiveShell(); |
| return shell; |
| } |
| |
| /** |
| * This method returns the active editor from the active workbench page |
| * |
| * @return the active editor from the active workbench page or null if there is none |
| */ |
| public static IEditorPart getActiveEditor() |
| { |
| IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| IEditorPart editor = null; |
| if (window != null) |
| { |
| IWorkbenchPage page = window.getActivePage(); |
| if (page != null) |
| { |
| editor = page.getActiveEditor(); |
| } |
| } |
| return editor; |
| } |
| |
| /** |
| * This method tries to retrieve a Display. First it tries to get the current display. If this fails it will return |
| * the default display. |
| * |
| * @return the current display, if not null. If the current Display is null then the default Display. |
| * @since 2.0 |
| */ |
| public static Display getDisplay() |
| { |
| Display display = Display.getCurrent(); |
| if (display == null) |
| { |
| display = Display.getDefault(); |
| } |
| return display; |
| } |
| } |