/******************************************************************************* | |
* Copyright (c) 2011 Ericsson Research Canada | |
* | |
* 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 | |
* | |
* Description: | |
* | |
* This class implements the navigator view toolbar command to link the R4E properties | |
* view to the review navigator | |
* | |
* Contributors: | |
* Sebastien Dubois - Created for Mylyn Review R4E project | |
* | |
******************************************************************************/ | |
package org.eclipse.mylyn.reviews.r4e.ui.internal.commands.handlers; | |
import java.util.Map; | |
import org.eclipse.core.commands.AbstractHandler; | |
import org.eclipse.core.commands.Command; | |
import org.eclipse.core.commands.ExecutionEvent; | |
import org.eclipse.core.commands.ExecutionException; | |
import org.eclipse.core.runtime.IProgressMonitor; | |
import org.eclipse.core.runtime.IStatus; | |
import org.eclipse.core.runtime.Status; | |
import org.eclipse.mylyn.reviews.r4e.ui.R4EUIPlugin; | |
import org.eclipse.mylyn.reviews.r4e.ui.internal.model.R4EUIModelController; | |
import org.eclipse.mylyn.reviews.r4e.ui.internal.utils.R4EUIConstants; | |
import org.eclipse.ui.PlatformUI; | |
import org.eclipse.ui.commands.ICommandService; | |
import org.eclipse.ui.commands.IElementUpdater; | |
import org.eclipse.ui.handlers.HandlerUtil; | |
import org.eclipse.ui.menus.UIElement; | |
import org.eclipse.ui.progress.UIJob; | |
/** | |
* @author lmcdubo | |
* @version $Revision: 1.0 $ | |
*/ | |
public class LinkPropertiesHandler extends AbstractHandler implements IElementUpdater { | |
// ------------------------------------------------------------------------ | |
// Constants | |
// ------------------------------------------------------------------------ | |
/** | |
* Field COMMAND_MESSAGE. (value is ""Changing Properties Link Status..."") | |
*/ | |
private static final String COMMAND_MESSAGE = "Changing Properties Link Status..."; | |
// ------------------------------------------------------------------------ | |
// Methods | |
// ------------------------------------------------------------------------ | |
/** | |
* Method execute. | |
* | |
* @param aEvent | |
* ExecutionEvent | |
* @return Object | |
* @see org.eclipse.core.commands.IHandler#execute(ExecutionEvent) | |
*/ | |
public Object execute(final ExecutionEvent aEvent) { | |
final UIJob job = new UIJob(COMMAND_MESSAGE) { | |
@Override | |
public IStatus runInUIThread(IProgressMonitor monitor) { | |
monitor.beginTask(COMMAND_MESSAGE, 1); | |
//Expand tree (all levels) | |
//We need to preserve the expansion state and restore it afterwards | |
final Object[] elements = R4EUIModelController.getNavigatorView().getTreeViewer().getExpandedElements(); | |
boolean oldValue; | |
try { | |
final Command command = aEvent.getCommand(); | |
oldValue = HandlerUtil.toggleCommandState(command); | |
} catch (ExecutionException e) { | |
monitor.done(); | |
return Status.CANCEL_STATUS; | |
} | |
if (!oldValue) { | |
R4EUIPlugin.Ftracer.traceInfo("Linking Properties view with ReviewNavigator"); //$NON-NLS-1$ | |
} else { | |
R4EUIPlugin.Ftracer.traceInfo("Unlinking Properties view with ReviewNavigator"); //$NON-NLS-1$ | |
} | |
R4EUIModelController.getNavigatorView().setPropertiesLinked(!oldValue); | |
R4EUIModelController.getNavigatorView().getTreeViewer().setExpandedElements(elements); | |
monitor.worked(1); | |
monitor.done(); | |
return Status.OK_STATUS; | |
} | |
}; | |
job.setUser(true); | |
job.schedule(); | |
return null; | |
} | |
/** | |
* Method updateElement. | |
* | |
* @param element | |
* UIElement | |
* @param parameters | |
* Map | |
* @see org.eclipse.ui.commands.IElementUpdater#updateElement(UIElement, Map) | |
*/ | |
public void updateElement(UIElement element, Map parameters) { | |
ICommandService commandService = (ICommandService) PlatformUI.getWorkbench().getService(ICommandService.class); | |
Command command = commandService.getCommand(R4EUIConstants.LINK_PROPERTIES_COMMAND); | |
element.setChecked((Boolean) command.getState(R4EUIConstants.TOGGLE_STATE_COMMAND_KEY).getValue()); | |
} | |
} |