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/*******************************************************************************
* Copyright (c) 2004, 2011 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.actions;
import java.util.Collections;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.tasks.core.ITaskListRunnable;
import org.eclipse.mylyn.internal.tasks.core.ITasksCoreConstants;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.tasks.core.IRepositoryElement;
import org.eclipse.mylyn.tasks.core.IRepositoryQuery;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
/**
* @author Steffen Pingel
*/
public class HideQueryAction extends BaseSelectionListenerAction {
public HideQueryAction() {
super(Messages.HideQueryAction_Hidden_Label);
setChecked(false);
setEnabled(false);
}
@Override
protected boolean updateSelection(IStructuredSelection selection) {
if (selection.isEmpty()) {
return false;
}
boolean hidden = true;
for (Object element : selection.toList()) {
if (element instanceof IRepositoryQuery) {
hidden &= Boolean.parseBoolean((((IRepositoryQuery) element).getAttribute(ITasksCoreConstants.ATTRIBUTE_HIDDEN)));
} else {
return false;
}
}
setChecked(hidden);
return true;
}
@Override
public void run() {
for (Object element : getStructuredSelection().toList()) {
if (element instanceof IRepositoryQuery) {
try {
final IRepositoryQuery query = ((IRepositoryQuery) element);
TasksUiPlugin.getTaskList().run(new ITaskListRunnable() {
public void execute(IProgressMonitor monitor) throws CoreException {
query.setAttribute(ITasksCoreConstants.ATTRIBUTE_HIDDEN, Boolean.toString(isChecked()));
}
});
TasksUiPlugin.getTaskList()
.notifyElementsChanged(Collections.singleton((IRepositoryElement) query));
} catch (CoreException e) {
StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN,
"Failed to set hidden status for query", e)); //$NON-NLS-1$
}
}
}
}
}
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