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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskContainer;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.TaskList;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.ui.IWorkingSet;
/**
* AbstractTaskListFilter for task working sets
*
* @author Eugene Kuleshov
*/
public class TaskWorkingSetFilter extends AbstractTaskListFilter {
private final TaskList taskList = TasksUiPlugin.getTaskListManager().getTaskList();
private IWorkingSet currentWorkingSet;
@Override
public boolean select(Object parent, Object element) {
if (parent instanceof AbstractTaskContainer && !(parent instanceof ScheduledTaskContainer)) {
return selectWorkingSet((AbstractTaskContainer) parent);
}
if (element instanceof AbstractTask) {
AbstractRepositoryQuery query = taskList.getQueryForHandle(((AbstractTask) element).getHandleIdentifier());
if (query != null) {
return selectWorkingSet(query);
}
}
return true;
}
private boolean selectWorkingSet(AbstractTaskContainer container) {
if (currentWorkingSet == null) {
return true;
}
boolean seenTaskWorkingSets = false;
String handleIdentifier = container.getHandleIdentifier();
for (IAdaptable adaptable : currentWorkingSet.getElements()) {
if (adaptable instanceof AbstractTaskContainer) {
seenTaskWorkingSets = true;
if (handleIdentifier.equals(((AbstractTaskContainer) adaptable).getHandleIdentifier())) {
return true;
}
}
}
return !seenTaskWorkingSets;
}
public void setCurrentWorkingSet(IWorkingSet currentWorkingSet) {
this.currentWorkingSet = currentWorkingSet;
}
}
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