| /******************************************************************************* |
| * 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 |
| * Ken Sueda - improvements |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.sandbox.ui.planner; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.mylyn.internal.tasks.core.AbstractTask; |
| import org.eclipse.mylyn.tasks.core.ITask; |
| import org.eclipse.mylyn.tasks.core.ITaskContainer; |
| |
| /** |
| * @author Rob Elves |
| * @author Ken Sueda |
| */ |
| public class PlannedTasksContentProvider implements ITreeContentProvider, ITaskPlannerContentProvider { |
| |
| TaskActivityEditorInput editorInput; |
| |
| public PlannedTasksContentProvider(TaskActivityEditorInput editorInput) { |
| this.editorInput = editorInput; |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| return editorInput.getCategories().toArray(); |
| } |
| |
| public void dispose() { |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| public void addTask(AbstractTask task) { |
| editorInput.addPlannedTask(task); |
| } |
| |
| public void removeTask(ITask task) { |
| editorInput.removePlannedTask(task); |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| Set<ITask> plannedChildren = new HashSet<ITask>(); |
| if (parentElement instanceof ITaskContainer) { |
| ITaskContainer parent = (ITaskContainer) parentElement; |
| plannedChildren.addAll(editorInput.getPlannedTasks()); |
| plannedChildren.retainAll(parent.getChildren()); |
| } |
| return plannedChildren.toArray(); |
| } |
| |
| public Object getParent(Object element) { |
| // ignore |
| return null; |
| } |
| |
| public boolean hasChildren(Object element) { |
| return (getChildren(element).length > 0); |
| } |
| |
| } |