| /******************************************************************************* |
| * Copyright 2005-2007, CHISEL Group, University of Victoria, Victoria, BC, Canada. |
| * 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: |
| * The Chisel Group, University of Victoria |
| *******************************************************************************/ |
| package org.eclipse.zest.tests.swt; |
| |
| import org.eclipse.zest.core.widgets.Graph; |
| import org.eclipse.zest.core.widgets.GraphConnection; |
| import org.eclipse.zest.core.widgets.GraphNode; |
| import org.eclipse.zest.core.widgets.ZestStyles; |
| import org.eclipse.zest.layouts.LayoutStyles; |
| import org.eclipse.zest.layouts.algorithms.SpringLayoutAlgorithm; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * This snippet creates a very simple graph with an Icon and Label. |
| * |
| * This snippet shows how to use directed edges and self loops. |
| * |
| * @author Ian Bull |
| * |
| */ |
| public class GraphSnippet2 { |
| |
| public static void main(String[] args) { |
| Display d = new Display(); |
| Shell shell = new Shell(d); |
| Image image1 = Display.getDefault().getSystemImage(SWT.ICON_INFORMATION); |
| Image image2 = Display.getDefault().getSystemImage(SWT.ICON_WARNING); |
| Image image3 = Display.getDefault().getSystemImage(SWT.ICON_ERROR); |
| shell.setLayout(new FillLayout()); |
| shell.setSize(400, 400); |
| |
| Graph g = new Graph(shell, SWT.NONE); |
| g.setConnectionStyle(ZestStyles.CONNECTIONS_DIRECTED); |
| GraphNode n1 = new GraphNode(g, SWT.NONE, "Information", image1); |
| GraphNode n2 = new GraphNode(g, SWT.NONE, "Warning", image2); |
| GraphNode n3 = new GraphNode(g, SWT.NONE, "Error", image3); |
| |
| new GraphConnection(g, SWT.NONE, n1, n2); |
| new GraphConnection(g, SWT.NONE, n2, n3); |
| new GraphConnection(g, SWT.NONE, n3, n3); |
| |
| g.setLayoutAlgorithm(new SpringLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING), true); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| while (!d.readAndDispatch()) { |
| d.sleep(); |
| } |
| } |
| image1.dispose(); |
| image2.dispose(); |
| image3.dispose(); |
| } |
| } |