/*******************************************************************************
* Copyright (c) 2003, 2007 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 net.jmesnil.jmx.ui.internal.views.navigator;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.ISafeRunnable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.SafeRunner;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.navigator.NavigatorContentService;
import org.eclipse.ui.internal.navigator.NavigatorPlugin;
import org.eclipse.ui.internal.navigator.extensions.LinkHelperService;
import org.eclipse.ui.navigator.CommonNavigator;
import org.eclipse.ui.progress.UIJob;
public class UpdateSelectionJob extends UIJob {
public static void launchJob(String viewId) {
IWorkbench work = PlatformUI.getWorkbench();
IWorkbenchWindow window = work.getActiveWorkbenchWindow();
IWorkbenchPage page = window.getActivePage();
IViewReference ref = window.getActivePage().findViewReference(viewId);
if( ref != null ) {
IWorkbenchPart part = ref.getPart(false);
if ( part != null && page.isPartVisible(part)) {
if( part instanceof CommonNavigator)
new UpdateSelectionJob((CommonNavigator)part).schedule();
}
}
}
private CommonNavigator commonNavigator;
private LinkHelperService linkService;
public UpdateSelectionJob(CommonNavigator commonNavigator) {
super("Updating Selection Job"); // TODO
this.commonNavigator = commonNavigator;
linkService = new LinkHelperService((NavigatorContentService)commonNavigator.getCommonViewer().getNavigatorContentService());
}
public IStatus runInUIThread(IProgressMonitor monitor) {
if (!commonNavigator.getCommonViewer().getControl().isDisposed()) {
SafeRunner.run(new ISafeRunnable() {
public void run() throws Exception {
IWorkbenchPage page = commonNavigator.getSite()
.getPage();
if (page != null) {
IEditorPart editor = page.getActiveEditor();
if (editor != null) {
IEditorInput input = editor.getEditorInput();
IStructuredSelection newSelection = linkService
.getSelectionFor(input);
if (!newSelection.isEmpty() &&
!allShown((IStructuredSelection)commonNavigator.getCommonViewer().getSelection(),
newSelection)) {
commonNavigator.selectReveal(newSelection);
}
}
}
}
protected boolean allShown(IStructuredSelection navigatorSel, IStructuredSelection editorSel) {
List navList = navigatorSel.toList();
Iterator i = editorSel.iterator();
while(i.hasNext()) {
if( !navList.contains(i.next()))
return false;
}
return true;
}
public void handleException(Throwable e) {
String msg = e.getMessage() != null ? e.getMessage()
: e.toString();
NavigatorPlugin.logError(0, msg, e);
}
});
}
return Status.OK_STATUS;
}
}