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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.examples.pessimistic.ui;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.team.examples.pessimistic.PessimisticFilesystemProvider;
/**
* Removes the selected resources and their children resources from
* the control of the provider.
*/
public class RemoveFromControlAction extends PessimisticProviderAction {
/**
* Collects the selected resources into sets by project,
* then removes the resources from the provider associated
* with their containing project.
*
* @see org.eclipse.ui.IActionDelegate#run(IAction)
*/
@Override
public void run(IAction action) {
IResource[] resources= getSelectedResources();
if (resources == null || resources.length == 0)
return;
Set<IResource> resourceSet = new HashSet<>(resources.length);
for (IResource resource : resources) {
recursivelyAdd(resource, resourceSet);
}
if (!resourceSet.isEmpty()) {
final Map<IProject, Set<IResource>> byProject = sortByProject(resourceSet);
IRunnableWithProgress runnable= monitor -> {
for (IProject project : byProject.keySet()) {
PessimisticFilesystemProvider provider= getProvider(project);
if (provider != null) {
Set<IResource> set = byProject.get(project);
IResource[] resources1= new IResource[set.size()];
set.toArray(resources1);
provider.removeFromControl(resources1, monitor);
}
}
};
runWithProgressDialog(runnable);
}
}
/**
* Answers <code>true</code> if and only if the resource is not <code>null</code>,
* not a project or the workspace root, and is controlled by the provider.
*
* @see org.eclipse.team.examples.pessimistic.ui.PessimisticProviderAction#shouldEnableFor(IResource)
*/
@Override
protected boolean shouldEnableFor(IResource resource) {
if (resource == null) {
return false;
}
if ((resource.getType() & (IResource.ROOT | IResource.PROJECT)) != 0) {
return false;
}
PessimisticFilesystemProvider provider= getProvider(resource);
if (provider == null)
return false;
return provider.isControlled(resource);
}
}
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