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/*******************************************************************************
* Copyright (c) 2003 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.tasks.ui.editors;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
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.mylar.context.core.MylarStatusHandler;
import org.eclipse.mylar.internal.tasks.ui.TaskListImages;
import org.eclipse.mylar.tasks.core.TaskComment;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
/**
* An outline page for a <code>BugEditor</code>.
*/
public class RepositoryTaskOutlinePage extends ContentOutlinePage {
private RepositoryTaskOutlineNode topTreeNode;
protected final ISelectionListener selectionListener = new ISelectionListener() {
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if ((part instanceof AbstractRepositoryTaskEditor) && (selection instanceof IStructuredSelection)) {
if (((IStructuredSelection) selection).getFirstElement() instanceof IRepositoryTaskSelection) {
if (((IStructuredSelection) getSelection()).getFirstElement() instanceof IRepositoryTaskSelection) {
IRepositoryTaskSelection brs1 = (IRepositoryTaskSelection) ((IStructuredSelection) getSelection())
.getFirstElement();
IRepositoryTaskSelection brs2 = ((IRepositoryTaskSelection) ((IStructuredSelection) selection)
.getFirstElement());
if (ContentOutlineTools.getHandle(brs1).compareTo(ContentOutlineTools.getHandle(brs2)) == 0) {
// don't need to make a selection for the same
// element
return;
}
}
getTreeViewer().setSelection(selection, true);
}
}
}
};
private TreeViewer viewer;
/**
* Creates a new <code>RepositoryTaskOutlinePage</code>.
*
* @param topTreeNode
* The top data node of the tree for this view.
* @param editor
* The editor this outline page is for.
*/
public RepositoryTaskOutlinePage(RepositoryTaskOutlineNode topTreeNode) {
super();
this.topTreeNode = topTreeNode;
}
@Override
public void createControl(Composite parent) {
super.createControl(parent);
viewer = getTreeViewer();
viewer.setContentProvider(new BugTaskOutlineContentProvider());
viewer.setLabelProvider(new LabelProvider() {
@Override
public Image getImage(Object element) {
if (element instanceof RepositoryTaskOutlineNode) {
RepositoryTaskOutlineNode node = (RepositoryTaskOutlineNode) element;
if (RepositoryTaskOutlineNode.LABEL_COMMENTS.equals(node.getContents())||
RepositoryTaskOutlineNode.LABEL_NEW_COMMENT.equals(node.getContents())) {
return TaskListImages.getImage(TaskListImages.COMMENT);
} if (RepositoryTaskOutlineNode.LABEL_DESCRIPTION.equals(node.getContents())) {
return TaskListImages.getImage(TaskListImages.TASK_NOTES);
} else if (node.getComment() != null) {
return TaskListImages.getImage(TaskListImages.PERSON);
} else {
return TaskListImages.getImage(TaskListImages.TASK_REPOSITORY);
}
} else {
return super.getImage(element);
}
}
@Override
public String getText(Object element) {
if (element instanceof RepositoryTaskOutlineNode) {
RepositoryTaskOutlineNode node = (RepositoryTaskOutlineNode) element;
TaskComment comment = node.getComment();
if (comment == null) {
return node.getName();
}
int n = comment.getNumber();
// if (n == 0) {
// return comment.getAuthorName() + " (" + node.getName() + ")";
// }
return n + ": " + comment.getAuthorName() + " (" + node.getName() + ")";
}
return super.getText(element);
}
});
try {
viewer.setInput(topTreeNode);
viewer.setComparer(new RepositoryTaskOutlineComparer());
viewer.expandAll();
} catch (Exception e) {
MylarStatusHandler.fail(e, "could not create bugzilla outline", true);
}
getSite().getPage().addSelectionListener(selectionListener);
}
@Override
public void dispose() {
super.dispose();
getSite().getPage().removeSelectionListener(selectionListener);
}
public TreeViewer getOutlineTreeViewer() {
return viewer;
}
/**
* A content provider for the tree for this view.
*
* @see ITreeContentProvider
*/
protected static class BugTaskOutlineContentProvider implements ITreeContentProvider {
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof RepositoryTaskOutlineNode) {
Object[] children = ((RepositoryTaskOutlineNode) parentElement).getChildren();
if (children.length > 0) {
return children;
}
}
return new Object[0];
}
public Object getParent(Object element) {
return null;
}
public boolean hasChildren(Object element) {
if (element instanceof RepositoryTaskOutlineNode) {
return ((RepositoryTaskOutlineNode) element).getChildren().length > 0;
}
return false;
}
public Object[] getElements(Object inputElement) {
if (inputElement instanceof RepositoryTaskOutlineNode) {
Object[] children = ((RepositoryTaskOutlineNode) inputElement).getChildren();
if (children.length > 0) {
return children;
}
}
return new Object[0];
}
public void dispose() {
// don't care when we are disposed
}
public void inputChanged(Viewer viewerChanged, Object oldInput, Object newInput) {
// don't care when the input changes
}
}
}
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