/******************************************************************************
* Copyright (c) 2014 Oracle
* 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:
* Shenxue Zhou - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.ui.swt.gef.parts;
import java.util.List;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.sapphire.ui.diagram.editor.DiagramNodePart;
import org.eclipse.sapphire.ui.diagram.editor.SapphireDiagramEditorPagePart;
import org.eclipse.sapphire.ui.diagram.editor.TextPart;
import org.eclipse.sapphire.ui.swt.gef.internal.TraverseUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.TraverseEvent;
import org.eclipse.swt.events.TraverseListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
/**
* @author <a href="mailto:shenxue.zhou@oracle.com">Shenxue Zhou</a>
*/
public class DiagramTextCellEditor extends TextCellEditor
{
private TextPart textPart;
private DiagramNodePart nodePart;
private SapphireDiagramEditorPagePart pagePart;
private List<DiagramNodePart> sortedNodes = null;
public DiagramTextCellEditor(TextPart textPart, Composite parent, int style)
{
super(parent, style);
this.textPart = textPart;
this.nodePart = textPart.nearest(DiagramNodePart.class);
this.pagePart = textPart.nearest(SapphireDiagramEditorPagePart.class);
}
/* (non-Javadoc)
* Method declared on CellEditor.
*/
protected Control createControl(Composite parent)
{
Text text = (Text)super.createControl(parent);
text.addTraverseListener(new TraverseListener()
{
@Override
public void keyTraversed(TraverseEvent e)
{
if (e.detail == SWT.TRAVERSE_TAB_NEXT)
{
TextPart nextTextPart = TraverseUtil.getNextTextPartInSameNode(textPart);
if (nextTextPart == null)
{
List<DiagramNodePart> sortedNodes = getSortedNodes();
nextTextPart = TraverseUtil.getTextPartInNextNode(sortedNodes, nodePart);
}
if (nextTextPart != null)
{
pagePart.selectAndDirectEdit(nextTextPart);
}
}
}
});
return text;
}
private List<DiagramNodePart> getSortedNodes()
{
if (this.sortedNodes == null)
{
this.sortedNodes = TraverseUtil.getSortedNodeParts(this.pagePart);
}
return this.sortedNodes;
}
}