| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.jobs.IJobChangeEvent; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.core.runtime.jobs.JobChangeAdapter; |
| import org.eclipse.jface.action.IStatusLineManager; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.CMDocumentManager; |
| |
| |
| /** |
| * Updates the status line when an appropriate Job is about to be run. |
| */ |
| public class JobStatusLineHelper extends JobChangeAdapter { |
| private static JobStatusLineHelper instance; |
| |
| public static void init() { |
| if (instance == null) { |
| instance = new JobStatusLineHelper(); |
| } |
| } |
| |
| private int running = 0; |
| |
| private JobStatusLineHelper() { |
| Platform.getJobManager().addJobChangeListener(this); |
| } |
| |
| public void aboutToRun(IJobChangeEvent event) { |
| Job job = event.getJob(); |
| if (job.belongsTo(CMDocumentManager.class)) { |
| running++; |
| setStatusLine(event.getJob().getName()); |
| } |
| } |
| |
| public void done(IJobChangeEvent event) { |
| Job job = event.getJob(); |
| if (job.belongsTo(CMDocumentManager.class)) { |
| running--; |
| if (running == 0) { |
| setStatusLine(""); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| private Display getDisplay() { |
| return PlatformUI.getWorkbench().getDisplay(); |
| } |
| |
| private void setStatusLine(final String message) { |
| String msgString = message; |
| if (message == null) { |
| msgString = ""; //$NON-NLS-1$ |
| } |
| final String finalMessageForThread = msgString; |
| if (getDisplay() != null) { |
| Runnable runnable = new Runnable() { |
| public void run() { |
| IWorkbench workbench = PlatformUI.getWorkbench(); |
| if (workbench != null) { |
| IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow(); |
| if (workbenchWindow != null) { |
| IEditorPart part = workbenchWindow.getActivePage().getActiveEditor(); |
| // part is sometimes null by the time this runs |
| // ... must be better way to get actionBars |
| // and/or statLineManager? |
| if (part != null) { |
| IActionBars actionBars = part.getEditorSite().getActionBars(); |
| if (actionBars != null) { |
| IStatusLineManager statusLineManager = actionBars.getStatusLineManager(); |
| if (statusLineManager != null) { |
| statusLineManager.setMessage(finalMessageForThread); |
| } |
| } |
| } |
| } |
| } |
| } |
| }; |
| Display workbenchDefault = PlatformUI.getWorkbench().getDisplay(); |
| workbenchDefault.asyncExec(runnable); |
| } |
| } |
| } |