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/*****************************************************************************
* Copyright (c) 2011 Atos Origin.
*
*
* 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:
* Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.emf.readonly;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourceAttributes;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import com.google.common.base.Optional;
public class FSReadOnlyHandler extends AbstractReadOnlyHandler {
public FSReadOnlyHandler(EditingDomain editingDomain) {
super(editingDomain);
}
public Optional<Boolean> anyReadOnly(URI[] uris) {
for(URI uri : uris) {
IFile file = getFile(uri);
if(file != null && file.isReadOnly()) {
return Optional.of(Boolean.TRUE);
}
}
return Optional.absent();
}
private static IFile getFile(URI uri) {
if(uri.isPlatform()) {
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toPlatformString(true)));
}
return null;
}
public Optional<Boolean> makeWritable(final URI[] uris) {
final AtomicBoolean doEnableWrite = new AtomicBoolean();
Display.getCurrent().syncExec(new Runnable() {
public void run() {
String message = "Do you want to remove read only flag on those files ?\n\n";
for(URI uri : uris) {
IFile file = getFile(uri);
if(file != null && file.isReadOnly()) {
message += file.getName() + "\n";
}
}
doEnableWrite.set(MessageDialog.openConfirm(Display.getCurrent().getActiveShell(), "Enable write", message));
}
});
if(doEnableWrite.get()) {
Boolean ok = true;
for(URI uri : uris) {
IFile file = getFile(uri);
if(file != null && file.isReadOnly()) {
try {
ResourceAttributes att = file.getResourceAttributes();
att.setReadOnly(false);
file.setResourceAttributes(att);
} catch (CoreException e) {
ok = false;
}
}
}
return Optional.of(ok);
} else {
return Optional.absent();
}
}
}
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