/******************************************************************************
* Copyright (c) 2008 Versant 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:
* Remy Chi Jian Suen (Versant Corporation) - initial API and implementation
******************************************************************************/
package org.eclipse.team.internal.ecf.ui.handlers;
import org.eclipse.compare.CompareUI;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.user.IUser;
import org.eclipse.ecf.presence.roster.IRoster;
import org.eclipse.ecf.presence.roster.IRosterEntry;
import org.eclipse.ecf.presence.ui.menu.AbstractRosterMenuHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.internal.ecf.core.RemoteShare;
import org.eclipse.team.internal.ecf.core.TeamSynchronization;
import org.eclipse.team.internal.ecf.core.variants.RemoteResourceVariantTreeSubscriber;
import org.eclipse.team.internal.ecf.ui.Messages;
import org.eclipse.team.ui.synchronize.SyncInfoCompareInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.progress.WorkbenchJob;
class CompareWithHandler extends AbstractRosterMenuHandler {
CompareWithHandler(IRosterEntry entry) {
super(entry);
}
public Object execute(ExecutionEvent event) throws ExecutionException {
IRosterEntry selectedEntry = getRosterEntry();
IRoster roster = selectedEntry.getRoster();
final IUser remoteUser = roster.getUser();
ID localId = remoteUser.getID();
ID remoteId = selectedEntry.getUser().getID();
IContainer container = (IContainer) roster.getPresenceContainerAdapter().getAdapter(IContainer.class);
final IResource resource = getResource(event);
if (resource == null) {
MessageDialog.openInformation(HandlerUtil.getActiveShell(event), null, Messages.CompareWithHandler_FileNotSelectedError);
return null;
}
RemoteShare share = TeamSynchronization.getShare(container.getID());
final RemoteResourceVariantTreeSubscriber subscriber = new RemoteResourceVariantTreeSubscriber(share, localId, remoteId);
Job job = new Job(Messages.CompareWithHandler_ResourceComparisonJobTitle) {
protected IStatus run(IProgressMonitor monitor) {
try {
openCompareEditor(subscriber.getSyncInfo(resource, monitor), remoteUser);
return Status.OK_STATUS;
} catch (TeamException e) {
return e.getStatus();
}
}
};
job.setUser(true);
job.schedule();
return null;
}
void openCompareEditor(SyncInfo syncInfo, IUser user) {
final SyncInfoCompareInput input = new SyncInfoCompareInput(NLS.bind(Messages.CompareWithHandler_CompareInputDescription, user.getNickname()), syncInfo);
WorkbenchJob job = new WorkbenchJob(Messages.CompareWithHandler_CompareEditorWorkbenchJobTitle) {
public IStatus runInUIThread(IProgressMonitor monitor) {
CompareUI.openCompareEditor(input, true);
return Status.OK_STATUS;
}
};
job.setUser(true);
job.schedule();
}
private IResource getResource(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
if (selection instanceof IStructuredSelection) {
IStructuredSelection iss = (IStructuredSelection) selection;
Object element = iss.getFirstElement();
if (element instanceof IResource) {
return (IResource) element;
} else if (element instanceof IAdaptable) {
return (IResource) ((IAdaptable) element).getAdapter(IResource.class);
} else {
return null;
}
}
IEditorPart editor = HandlerUtil.getActiveEditorChecked(event);
return (IFile) editor.getEditorInput().getAdapter(IFile.class);
}
}