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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.workingsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.mylyn.internal.tasks.core.ScheduledTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.TaskCategory;
import org.eclipse.mylyn.internal.tasks.ui.actions.ToggleAllWorkingSetsAction;
import org.eclipse.mylyn.internal.tasks.ui.actions.ToggleWorkingSetAction;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.ITaskActivityListener;
import org.eclipse.mylyn.tasks.core.ITaskListChangeListener;
import org.eclipse.mylyn.tasks.core.TaskContainerDelta;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.ui.IWorkingSet;
import org.eclipse.ui.IWorkingSetUpdater;
import org.eclipse.ui.PlatformUI;
/**
* @author Eugene Kuleshov
* @author Mik Kersten
*/
public class TaskWorkingSetUpdater implements IWorkingSetUpdater, ITaskListChangeListener, ITaskActivityListener {
public static String ID_TASK_WORKING_SET = "org.eclipse.mylyn.tasks.ui.workingSet";
private List<IWorkingSet> workingSets = new ArrayList<IWorkingSet>();
public TaskWorkingSetUpdater() {
TasksUiPlugin.getTaskListManager().getTaskList().addChangeListener(this);
TasksUiPlugin.getTaskListManager().addActivityListener(this);
}
public void dispose() {
TasksUiPlugin.getTaskListManager().getTaskList().removeChangeListener(this);
TasksUiPlugin.getTaskListManager().removeActivityListener(this);
}
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 != null && element.getHandleIdentifier().equals(handle)) {
list.add(adaptable);
}
}
} else if (adaptable instanceof IProject) {
IProject project = ResourcesPlugin.getWorkspace()
.getRoot()
.getProject(((IProject) adaptable).getName());
if (project != null && project.exists()) {
list.add(project);
}
}
}
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 containersChanged(Set<TaskContainerDelta> delta) {
for (TaskContainerDelta taskContainerDelta : delta) {
if (taskContainerDelta.getContainer() instanceof TaskCategory
|| taskContainerDelta.getContainer() instanceof AbstractRepositoryQuery) {
synchronized (workingSets) {
switch (taskContainerDelta.getKind()) {
case REMOVED:
for (IWorkingSet workingSet : workingSets) {
ArrayList<IAdaptable> elements = new ArrayList<IAdaptable>(
Arrays.asList(workingSet.getElements()));
elements.remove(taskContainerDelta.getContainer());
workingSet.setElements(elements.toArray(new IAdaptable[elements.size()]));
}
break;
case ADDED:
for (IWorkingSet workingSet : workingSets) {
ArrayList<IAdaptable> elements = new ArrayList<IAdaptable>(
Arrays.asList(workingSet.getElements()));
elements.add(taskContainerDelta.getContainer());
workingSet.setElements(elements.toArray(new IAdaptable[elements.size()]));
}
}
break;
}
}
}
}
public void activityChanged(ScheduledTaskContainer week) {
// ignore
}
public void taskActivated(AbstractTask task) {
Set<AbstractTaskContainer> taskContainers = new HashSet<AbstractTaskContainer>(
TasksUiPlugin.getTaskListManager().getTaskList().getQueriesForHandle(task.getHandleIdentifier()));
taskContainers.addAll(task.getParentContainers());
Set<AbstractTaskContainer> allActiveWorkingSetContainers = new HashSet<AbstractTaskContainer>();
for (IWorkingSet workingSet : PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getActivePage()
.getWorkingSets()) {
ArrayList<IAdaptable> elements = new ArrayList<IAdaptable>(Arrays.asList(workingSet.getElements()));
for (IAdaptable adaptable : elements) {
if (adaptable instanceof AbstractTaskContainer) {
allActiveWorkingSetContainers.add((AbstractTaskContainer) adaptable);
}
}
}
boolean isContained = false;
for (AbstractTaskContainer taskContainer : allActiveWorkingSetContainers) {
if (taskContainers.contains(taskContainer)) {
isContained = true;
break;
}
}
;
if (!isContained) {
IWorkingSet matchingWorkingSet = null;
for (IWorkingSet workingSet : PlatformUI.getWorkbench().getWorkingSetManager().getAllWorkingSets()) {
ArrayList<IAdaptable> elements = new ArrayList<IAdaptable>(Arrays.asList(workingSet.getElements()));
for (IAdaptable adaptable : elements) {
if (adaptable instanceof AbstractTaskContainer) {
if (((AbstractTaskContainer)adaptable).contains(task.getHandleIdentifier())) {
matchingWorkingSet = workingSet;
}
}
}
}
if (matchingWorkingSet != null) {
new ToggleWorkingSetAction(matchingWorkingSet).run();
} else {
new ToggleAllWorkingSetsAction(PlatformUI.getWorkbench().getActiveWorkbenchWindow()).run();
}
}
}
public void taskDeactivated(AbstractTask task) {
// ignore
}
public void taskListRead() {
// ignore
}
public static IWorkingSet[] getEnabledSets() {
return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getWorkingSets();
}
/**
* TODO: move
*/
public static boolean areNoTaskWorkingSetsEnabled() {
IWorkingSet[] workingSets = PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSets();
for (IWorkingSet workingSet : workingSets) {
if (workingSet != null && workingSet.getId().equalsIgnoreCase(ID_TASK_WORKING_SET)) {
if (isWorkingSetEnabled(workingSet)) {
return false;
}
}
}
return true;
}
public static boolean isWorkingSetEnabled(IWorkingSet set) {
IWorkingSet[] enabledSets = TaskWorkingSetUpdater.getEnabledSets();
for (int i = 0; i < enabledSets.length; i++) {
if (enabledSets[i].equals(set)) {
return true;
}
}
return false;
}
public static boolean isOnlyTaskWorkingSetEnabled(IWorkingSet set) {
if (!TaskWorkingSetUpdater.isWorkingSetEnabled(set)) {
return false;
}
IWorkingSet[] enabledSets = TaskWorkingSetUpdater.getEnabledSets();
for (int i = 0; i < enabledSets.length; i++) {
if (!enabledSets[i].equals(set) && enabledSets[i].getId().equalsIgnoreCase(TaskWorkingSetUpdater.ID_TASK_WORKING_SET)) {
return false;
}
}
return true;
}
}
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