1   /****************************************************************************
2    * This demo file is part of yFiles for Java 2.14.
3    * Copyright (c) 2000-2017 by yWorks GmbH, Vor dem Kreuzberg 28,
4    * 72070 Tuebingen, Germany. All rights reserved.
5    * 
6    * yFiles demo files exhibit yFiles for Java functionalities. Any redistribution
7    * of demo files in source code or binary form, with or without
8    * modification, is not permitted.
9    * 
10   * Owners of a valid software license for a yFiles for Java version that this
11   * demo is shipped with are allowed to use the demo source code as basis
12   * for their own yFiles for Java powered applications. Use of such programs is
13   * governed by the rights and conditions as set out in the yFiles for Java
14   * license agreement.
15   * 
16   * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY EXPRESS OR IMPLIED
17   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19   * NO EVENT SHALL yWorks BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21   * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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25   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27   ***************************************************************************/
28  package demo.io.graphml;
29  
30  import y.io.GraphMLIOHandler;
31  import y.view.PolyLineEdgeRealizer;
32  import y.view.Arrow;
33  
34  import java.awt.EventQueue;
35  import java.util.Locale;
36  
37  /**
38   * A simple customization of {@link demo.io.graphml.GraphMLDemo} that uses objects of type
39   * {@link demo.io.graphml.CustomNodeRealizer} as the graph's default node realizer.
40   * To enable encoding and parsing of this node realizer type a specific serializer 
41   * implementation is registered with GraphMLIOHandler. 
42   *
43   * @see <a href="http://docs.yworks.com/yfiles/doc/api/index.html#/dguide/graphml#graphml_custom_realizer_serializer" target="_blank">Section Support for Custom Realizer</a> in the yFiles for Java Developer's Guide
44  */
45  public class CustomNodeRealizerSerializerDemo extends GraphMLDemo {
46    /**
47     * Creates a new instance of CustomNodeRealizerSerializerDemo.
48     */
49    public CustomNodeRealizerSerializerDemo() {
50      // Use another default node realizer (the one used in the example graph).
51      view.getGraph2D().setDefaultNodeRealizer(new CustomNodeRealizer());
52  
53      // Use a default edge realizer as in the example graph.
54      PolyLineEdgeRealizer edgeRealizer = new PolyLineEdgeRealizer();
55      edgeRealizer.setTargetArrow(Arrow.NONE);
56      view.getGraph2D().setDefaultEdgeRealizer(edgeRealizer);
57    }
58  
59  
60    protected void loadInitialGraph() {
61      // Load example graph.
62      loadGraph("resources/custom/custom-noderealizer-serializer.graphml");
63    }
64  
65    protected String[] getExampleResources() {
66      return null;
67    }
68  
69    protected GraphMLIOHandler createGraphMLIOHandler() {
70      GraphMLIOHandler ioHandler = new GraphMLIOHandler();
71      // Register the node realizer's specific serializer that knows how to encode 
72      // valid XML markup and also how to parse the encoded data.
73      ioHandler.addNodeRealizerSerializer(new CustomNodeRealizerSerializer());
74      return ioHandler;
75    }
76  
77    /**
78     * Launches this demo. 
79     */
80    public static void main(String[] args) {
81      EventQueue.invokeLater(new Runnable() {
82        public void run() {
83          Locale.setDefault(Locale.ENGLISH);
84          initLnF();
85          new CustomNodeRealizerSerializerDemo().start();
86        }
87      });
88    }
89  }
90