| /****************************************************************************** |
| * Copyright (c) 2004, 2009 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.gmf.runtime.common.ui.util; |
| |
| import org.eclipse.jface.action.IStatusLineManager; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IEditorActionBarContributor; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.EditorActionBarContributor; |
| |
| /** |
| * Utility class for outputting text to the status line |
| * |
| * @author myee |
| */ |
| public class StatusLineUtil { |
| |
| private StatusLineUtil() { |
| /* private constructor */ |
| } |
| |
| /** |
| * Outputs an error message to the part's status line. Does nothing if the |
| * status line manager cannot be determined from the <code>part</code>. |
| * <P> |
| * Can be invoked from a non-UI thread. |
| * |
| * @param part |
| * the part |
| * @param errorMessage |
| * the error message |
| */ |
| public static void outputErrorMessage(IWorkbenchPart part, |
| final String errorMessage) { |
| |
| final IStatusLineManager statusLineManager = getStatusLineManager(part); |
| |
| if (statusLineManager == null) { |
| // can't find the status line manager |
| return; |
| } |
| |
| final Display workbenchDisplay = PlatformUI.isWorkbenchRunning() ? PlatformUI |
| .getWorkbench().getDisplay() |
| : Display.getDefault(); |
| |
| if (workbenchDisplay.getThread() == Thread.currentThread()) { |
| // we're already on the UI thread |
| statusLineManager.setErrorMessage(errorMessage); |
| } else { |
| // we're not on the UI thread |
| workbenchDisplay.asyncExec(new Runnable() { |
| |
| public void run() { |
| statusLineManager.setErrorMessage(errorMessage); |
| } |
| }); |
| } |
| } |
| |
| private static IStatusLineManager getStatusLineManager(IWorkbenchPart part) { |
| |
| IStatusLineManager result = null; |
| |
| if (part instanceof IViewPart) { |
| IViewPart viewPart = (IViewPart) part; |
| result = viewPart.getViewSite().getActionBars() |
| .getStatusLineManager(); |
| |
| } else if (part instanceof IEditorPart) { |
| IEditorPart editorPart = (IEditorPart) part; |
| |
| IEditorActionBarContributor contributor = editorPart |
| .getEditorSite().getActionBarContributor(); |
| |
| if (contributor instanceof EditorActionBarContributor) { |
| result = ((EditorActionBarContributor) contributor) |
| .getActionBars().getStatusLineManager(); |
| } |
| } |
| return result; |
| } |
| |
| } |