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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.examples.filesystem.ui;
import java.lang.reflect.InvocationTargetException;
import java.util.*;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.core.synchronize.SyncInfoSet;
import org.eclipse.team.examples.filesystem.FileSystemPlugin;
import org.eclipse.team.examples.filesystem.FileSystemProvider;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;
import org.eclipse.team.ui.synchronize.SynchronizeModelOperation;
/**
* Override SynchronizeModelOperation in order to delegate the operation to each file system
* provider instance (i.e. each project). Also, prompt to prune conflicts from the set of
* selected resources.
*/
public abstract class FileSystemSynchronizeOperation extends SynchronizeModelOperation {
protected FileSystemSynchronizeOperation(ISynchronizePageConfiguration configuration, IDiffElement[] elements) {
super(configuration, elements);
}
/* (non-Javadoc)
* @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
*/
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
// First, ask the user if they want to include conflicts
SyncInfoSet syncSet = getSyncInfoSet();
if (!promptForConflictHandling(getShell(), syncSet)) return;
// Divide the sync info by project
final Map projectSyncInfos = getProjectSyncInfoSetMap(syncSet);
monitor.beginTask(null, projectSyncInfos.size() * 100);
for (Iterator iter = projectSyncInfos.keySet().iterator(); iter.hasNext(); ) {
final IProject project = (IProject) iter.next();
try {
// Pass the scheduling rule to the synchronizer so that sync change events
// and cache commits to disk are batched
FileSystemProvider provider = (FileSystemProvider)RepositoryProvider.getProvider(project, FileSystemPlugin.PROVIDER_ID);
if (provider != null) {
run(provider, (SyncInfoSet)projectSyncInfos.get(project), monitor);
}
} catch (TeamException e) {
throw new InvocationTargetException(e);
}
}
monitor.done();
}
/**
* Prompt the user to include conflicts. If the user choses not to include
* conflicts, they will be removed from the passed set. If the user cancels,
* <code>false</code> is returned.
* @param shell a shell
* @param syncSet the set of selected resources
* @return whether the operation should proceed.
*/
protected abstract boolean promptForConflictHandling(Shell shell, SyncInfoSet syncSet);
/*
* Divide the sync info for the operation by project
*/
private Map getProjectSyncInfoSetMap(SyncInfoSet syncSet) {
Map map = new HashMap();
SyncInfo[] infos = syncSet.getSyncInfos();
for (int i = 0; i < infos.length; i++) {
SyncInfo info = infos[i];
IProject project = info.getLocal().getProject();
SyncInfoSet set = (SyncInfoSet)map.get(project);
if (set == null) {
set = new SyncInfoSet();
map.put(project, set);
}
set.add(info);
}
return map;
}
/**
* Run the operation on the sync info in the given set. The sync info will be all
* from the same project.
* @param provider
* @param set the sync info set
* @param monitor a progress monitor
*/
protected abstract void run(FileSystemProvider provider, SyncInfoSet set, IProgressMonitor monitor) throws TeamException;
}
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