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/*******************************************************************************
* Copyright (c) 2004, 2008 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.sandbox.ui;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
import org.eclipse.mylyn.internal.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.Person;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListContentProvider;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListView;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITaskContainer;
/**
* @author Rob Elves
*/
public class IncomingTaskListContentProvider extends TaskListContentProvider {
Set<AbstractTaskContainer> people = new HashSet<AbstractTaskContainer>();
public IncomingTaskListContentProvider(TaskListView taskListView) {
super(taskListView);
}
@Override
public Object[] getElements(Object parent) {
people.clear();
if (parent instanceof Person) {
return getChildren(parent);
} else {
for (ITaskContainer container : applyFilter(TasksUiPlugin.getTaskList().getRootElements())) {
for (ITask task : getAllTasks(container.getChildren())) {
if (task.getOwner() != null && TasksUiInternal.shouldShowIncoming(task)) {
people.add(new Person(task.getOwner(), task.getConnectorKind(), task.getRepositoryUrl()));
}
}
}
}
return people.toArray();
}
private Set<ITask> getAllTasks(Collection<ITask> children) {
if (children != null) {
Set<ITask> alltasks = new HashSet<ITask>(children);
for (ITask task : children) {
if (task instanceof AbstractTask) {
Set<ITask> childTasks = getAllTasks(((AbstractTask) task).getChildren());
if (childTasks != null) {
alltasks.addAll(childTasks);
}
}
}
return alltasks;
}
return null;
}
@Override
public Object[] getChildren(TreePath parentPath) {
return getChildren(parentPath.getLastSegment());
}
@Override
public Object[] getChildren(Object parent) {
Set<ITask> children = new HashSet<ITask>();
if (parent instanceof Person) {
for (ITaskContainer container : applyFilter(TasksUiPlugin.getTaskList().getRootElements())) {
for (ITask task : getAllTasks(container.getChildren())) {
if (task.getOwner() != null && task.getOwner().equals(((Person) parent).getHandleIdentifier())
&& TasksUiInternal.shouldShowIncoming(task)) {
children.add(task);
}
}
}
}
return children.toArray();
}
@Override
public boolean hasChildren(Object parent) {
return parent instanceof Person;
}
}
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