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/*******************************************************************************
* Copyright (c) 2004 - 2006 Mylar 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.workingset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.ITaskListChangeListener;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.ui.IWorkingSet;
import org.eclipse.ui.IWorkingSetUpdater;
/**
* @author Eugene Kuleshov
*/
public class TaskWorkingSetUpdater implements IWorkingSetUpdater, ITaskListChangeListener {
private List<IWorkingSet> workingSets = new ArrayList<IWorkingSet>();
public TaskWorkingSetUpdater() {
TasksUiPlugin.getTaskListManager().getTaskList().addChangeListener(this);
}
// IWorkingSetUpdater
public void add(IWorkingSet workingSet) {
checkElementExistence(workingSet);
synchronized (workingSets) {
workingSets.add(workingSet);
}
}
private void checkElementExistence(IWorkingSet workingSet) {
ArrayList<IAdaptable> list = new ArrayList<IAdaptable>();
for (IAdaptable adaptable : workingSet.getElements()) {
if (adaptable instanceof AbstractTaskContainer) {
String handle = ((AbstractTaskContainer) adaptable).getHandleIdentifier();
for (AbstractTaskContainer element : TasksUiPlugin.getTaskListManager().getTaskList().getRootElements()) {
if (element instanceof AbstractTaskContainer && element.getHandleIdentifier().equals(handle)) {
list.add(adaptable);
}
}
}
}
workingSet.setElements(list.toArray(new IAdaptable[list.size()]));
}
public boolean contains(IWorkingSet workingSet) {
synchronized(workingSets) {
return workingSets.contains(workingSet);
}
}
public boolean remove(IWorkingSet workingSet) {
synchronized(workingSets) {
return workingSets.remove(workingSet);
}
}
public void dispose() {
TasksUiPlugin.getTaskListManager().getTaskList().removeChangeListener(this);
}
// ITaskListChangeListener
public void containerAdded(AbstractTaskContainer container) {
}
public void containerDeleted(AbstractTaskContainer container) {
synchronized (workingSets) {
for (IWorkingSet workingSet : workingSets) {
// TODO could filter by working set id
ArrayList<IAdaptable> remove = new ArrayList<IAdaptable>();
for (IAdaptable adaptable : workingSet.getElements()) {
if (adaptable instanceof AbstractTaskContainer
&& ((AbstractTaskContainer) adaptable).getHandleIdentifier().equals(
container.getHandleIdentifier())) {
remove.add(adaptable);
}
}
if(!remove.isEmpty()) {
ArrayList<IAdaptable> elements = new ArrayList<IAdaptable>(Arrays.asList(workingSet.getElements()));
elements.removeAll(remove);
workingSet.setElements(elements.toArray(new IAdaptable[elements.size()]));
}
}
}
}
public void containerInfoChanged(AbstractTaskContainer container) {
}
public void localInfoChanged(AbstractTask task) {
}
public void repositoryInfoChanged(AbstractTask task) {
}
public void taskAdded(AbstractTask task) {
}
public void taskDeleted(AbstractTask task) {
}
public void taskMoved(AbstractTask task, AbstractTaskContainer fromContainer, AbstractTaskContainer toContainer) {
}
}
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