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/*******************************************************************************
* Copyright (c) 2000, 2003 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.internal.ui.target;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.compare.structuremergeviewer.Differencer;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.core.InfiniteSubProgressMonitor;
import org.eclipse.team.internal.core.target.TargetProvider;
import org.eclipse.team.internal.ui.IHelpContextIds;
import org.eclipse.team.internal.ui.Policy;
import org.eclipse.team.internal.ui.sync.ITeamNode;
import org.eclipse.team.internal.ui.sync.SyncSet;
import org.eclipse.ui.help.WorkbenchHelp;
public class GetSyncAction extends TargetSyncAction {
public GetSyncAction(TargetSyncCompareInput model, ISelectionProvider sp, String label, Shell shell) {
super(model, sp, label, shell);
WorkbenchHelp.setHelp(this, IHelpContextIds.SYNC_GET_ACTION);
}
/**
* @see TargetSyncAction#isEnabled(ITeamNode)
*/
protected boolean isEnabled(ITeamNode node) {
// Get action is enabled for any changed nodes.
SyncSet set = new SyncSet(new StructuredSelection(node));
return set.hasIncomingChanges() || set.hasConflicts();
}
/**
* @see TargetSyncAction#removeNonApplicableNodes(SyncSet, int)
*/
protected void removeNonApplicableNodes(SyncSet set, int syncMode) {
set.removeOutgoingNodes();
}
/**
* @see TargetSyncAction#run(SyncSet, IProgressMonitor)
*/
protected SyncSet run(SyncSet syncSet, IProgressMonitor monitor) {
try {
ITeamNode[] changed = syncSet.getChangedNodes();
if (changed.length == 0) {
return syncSet;
}
List fileResources = new ArrayList();
List folderDeletions = new ArrayList();
List folderAdditions = new ArrayList();
//Find the incoming file changes the potential incoming folder deletions:
for (int i = 0; i < changed.length; i++) {
if (changed[i].getChangeDirection()==ITeamNode.INCOMING || changed[i].getChangeDirection()==ITeamNode.CONFLICTING) {
if (changed[i].getResource().getType()==IResource.FILE) fileResources.add(changed[i].getResource());
else if (changed[i].getChangeType()==Differencer.DELETION
&& /*don't delete nonexistant folders*/changed[i].getResource().exists())
folderDeletions.add(changed[i].getResource());
else {
//If the new remote folders have no children then we'd better explicitly create them locally:
IResource resource=changed[i].getResource();
if (getRemoteResourceFor(resource).members(monitor).length==0)
folderAdditions.add(changed[i].getResource());
}
}
}
get((IResource[])fileResources.toArray(new IResource[fileResources.size()]), monitor);
get((IResource[])folderAdditions.toArray(new IResource[folderDeletions.size()]), monitor);
if (folderDeletions.size()>0) {
//Prune the list of potential incoming folder deletions, retaining only those that don't have local content:
boolean delete;
Iterator iter=folderDeletions.iterator();
for (IContainer container=(IContainer)iter.next(); iter.hasNext(); container=(IContainer)iter.next()) {
delete=true;
IResource[] children=container.members();
for (int j = 0; j < children.length; j++) {
if (!folderDeletions.contains(children[j])) {
delete=false;
break;
}
}
if (!delete) iter.remove();
}
get((IResource[])folderDeletions.toArray(new IResource[folderDeletions.size()]), monitor);
}
} catch (final TeamException e) {
getShell().getDisplay().syncExec(new Runnable() {
public void run() {
ErrorDialog.openError(getShell(), null, null, e.getStatus());
}
});
return null;
} catch (final CoreException e) {
getShell().getDisplay().syncExec(new Runnable() {
public void run() {
ErrorDialog.openError(getShell(), null, null, e.getStatus());
}
});
return null;
}
return syncSet;
}
/**
* Put the given resources to their associated providers.
*
* @param resources the resources to commit
* @param monitor the progress monitor
*/
public void get(IResource[] resources, IProgressMonitor monitor) throws TeamException {
monitor = Policy.monitorFor(monitor);
try {
Hashtable table = getTargetProviderMapping(resources);
Set keySet = table.keySet();
monitor.beginTask("", keySet.size() * 1000); //$NON-NLS-1$
Iterator iterator = keySet.iterator();
while (iterator.hasNext()) {
IProgressMonitor subMonitor = new InfiniteSubProgressMonitor(monitor, 1000);
TargetProvider provider = (TargetProvider)iterator.next();
monitor.setTaskName(Policy.bind("GetAction.working", provider.getURL().toExternalForm())); //$NON-NLS-1$
List list = (List)table.get(provider);
IResource[] providerResources = (IResource[])list.toArray(new IResource[list.size()]);
provider.get(providerResources, subMonitor);
}
} finally {
monitor.done();
}
}
}
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