| /******************************************************************************* |
| * 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.draw2d.ColorConstants; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| 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; |
| |
| /** |
| * |
| * This snippet shows how to create a curved connection using Zest. |
| * |
| * @author Ian Bull |
| * |
| */ |
| public class GraphSnippet11 { |
| |
| |
| public static void createConnection( Graph g, GraphNode n1, GraphNode n2, Color color, int curve) { |
| GraphConnection connection = new GraphConnection(g, SWT.NONE, n1, n2); |
| connection.setLineColor(color); |
| connection.setCurveDepth(curve); |
| connection.setLineWidth(1); |
| } |
| |
| public static void main(String[] args) { |
| Display d = new Display(); |
| Shell shell = new Shell(d); |
| shell.setText("GraphSnippet11"); |
| shell.setLayout(new FillLayout()); |
| shell.setSize(400, 400); |
| |
| final Graph g = new Graph(shell, SWT.NONE); |
| GraphNode n = new GraphNode(g, SWT.NONE, "Node 1"); |
| GraphNode n2 = new GraphNode(g, SWT.NONE, "Node 2"); |
| createConnection(g, n, n2, ColorConstants.darkGreen, 20); |
| createConnection(g, n, n2, ColorConstants.darkGreen, -20); |
| createConnection(g, n, n2, ColorConstants.darkBlue, 40); |
| createConnection(g, n, n2, ColorConstants.darkBlue, -40); |
| createConnection(g, n, n2, ColorConstants.darkGray, 60); |
| createConnection(g, n, n2, ColorConstants.darkGray, -60); |
| createConnection(g, n, n2, ColorConstants.black, 0); |
| g.setLayoutAlgorithm(new SpringLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING), true); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| while (!d.readAndDispatch()) { |
| d.sleep(); |
| } |
| } |
| } |
| |
| } |