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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.tasks.ui.editors;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
import org.eclipse.mylyn.tasks.core.IRepositoryPerson;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;
import org.eclipse.mylyn.tasks.ui.editors.TaskEditor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
/**
* An outline page for a {@link TaskEditor}.
*
* @author Steffen Pingel
*/
public class TaskEditorOutlinePage extends ContentOutlinePage {
private static class TaskEditorOutlineContentProvider implements ITreeContentProvider {
public void dispose() {
// ignore
}
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof TaskEditorOutlineNode) {
Object[] children = ((TaskEditorOutlineNode) parentElement).getChildren();
return children;
}
return new Object[0];
}
public Object[] getElements(Object inputElement) {
if (inputElement instanceof TaskEditorOutlineModel) {
return new Object[] { ((TaskEditorOutlineModel) inputElement).getRoot() };
}
return new Object[0];
}
public Object getParent(Object element) {
if (element instanceof TaskEditorOutlineNode) {
return ((TaskEditorOutlineNode) element).getParent();
}
return null;
}
public boolean hasChildren(Object element) {
if (element instanceof TaskEditorOutlineNode) {
return ((TaskEditorOutlineNode) element).getChildren().length > 0;
}
return false;
}
public void inputChanged(Viewer viewerChanged, Object oldInput, Object newInput) {
// ignore
}
}
private static class TaskEditorOutlineModel {
private final TaskEditorOutlineNode root;
public TaskEditorOutlineModel(TaskEditorOutlineNode root) {
this.root = root;
}
public TaskEditorOutlineNode getRoot() {
return root;
}
}
private TaskEditorOutlineModel model;
private TaskRepository taskRepository;
private TreeViewer viewer;
public TaskEditorOutlinePage() {
}
public void setInput(TaskRepository taskRepository, TaskEditorOutlineNode rootNode) {
this.taskRepository = taskRepository;
if (rootNode != null) {
this.model = new TaskEditorOutlineModel(rootNode);
} else {
this.model = null;
}
if (viewer != null) {
viewer.setInput(this.model);
viewer.refresh(true);
}
}
@Override
public void createControl(Composite parent) {
super.createControl(parent);
viewer = getTreeViewer();
viewer.setContentProvider(new TaskEditorOutlineContentProvider());
viewer.setLabelProvider(new LabelProvider() {
@Override
public Image getImage(Object element) {
if (element instanceof TaskEditorOutlineNode) {
TaskEditorOutlineNode node = (TaskEditorOutlineNode) element;
if (TaskEditorOutlineNode.LABEL_COMMENTS.equals(node.getLabel())
|| TaskEditorOutlineNode.LABEL_NEW_COMMENT.equals(node.getLabel())) {
return CommonImages.getImage(TasksUiImages.COMMENT);
}
if (TaskEditorOutlineNode.LABEL_DESCRIPTION.equals(node.getLabel())) {
return CommonImages.getImage(TasksUiImages.TASK_NOTES);
} else if (node.getTaskComment() != null) {
IRepositoryPerson author = node.getTaskComment().getAuthor();
if (taskRepository != null && author != null
&& author.getPersonId().equals(taskRepository.getUserName())) {
return CommonImages.getImage(CommonImages.PERSON_ME);
} else {
return CommonImages.getImage(CommonImages.PERSON);
}
} else {
return CommonImages.getImage(TasksUiImages.TASK);
}
} else {
return super.getImage(element);
}
}
@Override
public String getText(Object element) {
if (element instanceof TaskEditorOutlineNode) {
TaskEditorOutlineNode node = (TaskEditorOutlineNode) element;
return node.getLabel();
}
return super.getText(element);
}
});
viewer.setInput(model);
viewer.expandAll();
}
}
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