| /****************************************************************************** |
| * Copyright (c) 2002, 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.providers; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.draw2d.graph.DirectedGraph; |
| import org.eclipse.draw2d.graph.Node; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider; |
| |
| /** |
| * @author sshaw |
| * |
| * Custom provider that lays out the directed graph in a top to down fashion. |
| */ |
| public class TopDownProvider extends DefaultProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider#translateToGraph(org.eclipse.draw2d.geometry.Rectangle) |
| */ |
| protected Rectangle translateToGraph(Rectangle r) { |
| Rectangle rDP = r.getCopy(); |
| return rDP; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider#translateFromGraph(org.eclipse.draw2d.geometry.Rectangle) |
| */ |
| protected Rectangle translateFromGraph(Rectangle rect) { |
| Rectangle rLP = rect.getCopy(); |
| return rLP; |
| } |
| |
| public Command layoutEditParts(List selectedObjects, IAdaptable layoutHint) { |
| return super.layoutEditParts(selectedObjects, layoutHint); |
| } |
| |
| protected Command createEdgesChangeBoundsCommands(DirectedGraph g, Point diff) { |
| return super.createEdgesChangeBoundsCommands(g, diff); |
| } |
| |
| protected Command createNodeChangeBoundCommands(DirectedGraph g, Point diff) { |
| return super.createNodeChangeBoundCommands(g, diff); |
| } |
| |
| protected Rectangle getNodeMetrics(Node n) { |
| return super.getNodeMetrics(n); |
| } |
| |
| protected void setLayoutDefaultMargin(int newMargin) { |
| layoutDefaultMargin = newMargin; |
| } |
| } |