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1 package prefuse.demos.applets;
2
3 import java.awt.Color  ;
4 import java.awt.Dimension ;
5
6 import javax.swing.BorderFactory ;
7 import javax.swing.Box ;
8 import javax.swing.BoxLayout ;
9 import javax.swing.JComponent ;
10 import javax.swing.JSplitPane ;
11 import javax.swing.event.ChangeEvent ;
12 import javax.swing.event.ChangeListener ;
13
14 import prefuse.Display;
15 import prefuse.Visualization;
16 import prefuse.action.ActionList;
17 import prefuse.action.RepaintAction;
18 import prefuse.action.assignment.ColorAction;
19 import prefuse.action.filter.GraphDistanceFilter;
20 import prefuse.action.layout.graph.ForceDirectedLayout;
21 import prefuse.activity.Activity;
22 import prefuse.controls.DragControl;
23 import prefuse.controls.FocusControl;
24 import prefuse.controls.NeighborHighlightControl;
25 import prefuse.controls.PanControl;
26 import prefuse.controls.WheelZoomControl;
27 import prefuse.controls.ZoomControl;
28 import prefuse.controls.ZoomToFitControl;
29 import prefuse.data.Graph;
30 import prefuse.data.Tuple;
31 import prefuse.data.event.TupleSetListener;
32 import prefuse.data.io.GraphMLReader;
33 import prefuse.data.tuple.TupleSet;
34 import prefuse.render.DefaultRendererFactory;
35 import prefuse.render.LabelRenderer;
36 import prefuse.util.ColorLib;
37 import prefuse.util.GraphLib;
38 import prefuse.util.PrefuseLib;
39 import prefuse.util.force.ForceSimulator;
40 import prefuse.util.ui.JForcePanel;
41 import prefuse.util.ui.JPrefuseApplet;
42 import prefuse.util.ui.JValueSlider;
43 import prefuse.util.ui.UILib;
44 import prefuse.visual.NodeItem;
45 import prefuse.visual.VisualGraph;
46 import prefuse.visual.VisualItem;
47
48
51 public class GraphView extends JPrefuseApplet {
52
53 private static final String graph = "graph";
54 private static final String nodes = "graph.nodes";
55 private static final String edges = "graph.edges";
56
57 public void init() {
58 UILib.setPlatformLookAndFeel();
59 JComponent graphview = demo("/socialnet.xml", "name");
60 this.getContentPane().add(graphview);
61 }
62
63 public static JComponent demo(String datafile, String label) {
64 Graph g = null;
65 if ( datafile == null ) {
66 g = GraphLib.getGrid(15,15);
67 } else {
68 try {
69 g = new GraphMLReader().readGraph(datafile);
70 } catch ( Exception e ) {
71 e.printStackTrace();
72 System.exit(1);
73 }
74 }
75 return demo(g, label);
76 }
77
78 public static JComponent demo(Graph g, String label) {
79
80 final Visualization vis = new Visualization();
82 VisualGraph vg = vis.addGraph(graph, g);
83 vis.setValue(edges, null, VisualItem.INTERACTIVE, Boolean.FALSE);
84
85 TupleSet focusGroup = vis.getGroup(Visualization.FOCUS_ITEMS);
86 focusGroup.addTupleSetListener(new TupleSetListener() {
87 public void tupleSetChanged(TupleSet ts, Tuple[] add, Tuple[] rem)
88 {
89 for ( int i=0; i<rem.length; ++i )
90 ((VisualItem)rem[i]).setFixed(false);
91 for ( int i=0; i<add.length; ++i ) {
92 ((VisualItem)add[i]).setFixed(false);
93 ((VisualItem)add[i]).setFixed(true);
94 }
95 vis.run("draw");
96 }
97 });
98
99 LabelRenderer tr = new LabelRenderer(label);
101 tr.setRoundedCorner(8, 8);
102 vis.setRendererFactory(new DefaultRendererFactory(tr));
103
104
105
106
108 int maxhops = 4, hops = 4;
109 final GraphDistanceFilter filter = new GraphDistanceFilter(graph, hops);
110
111 ActionList draw = new ActionList();
112 draw.add(filter);
113 draw.add(new ColorAction(nodes, VisualItem.FILLCOLOR, ColorLib.rgb(200,200,255)));
114 draw.add(new ColorAction(nodes, VisualItem.STROKECOLOR, 0));
115 draw.add(new ColorAction(nodes, VisualItem.TEXTCOLOR, ColorLib.rgb(0,0,0)));
116 draw.add(new ColorAction(edges, VisualItem.FILLCOLOR, ColorLib.gray(200)));
117 draw.add(new ColorAction(edges, VisualItem.STROKECOLOR, ColorLib.gray(200)));
118
119 ColorAction fill = new ColorAction(nodes,
120 VisualItem.FILLCOLOR, ColorLib.rgb(200,200,255));
121 fill.add("_fixed", ColorLib.rgb(255,100,100));
122 fill.add("_highlight", ColorLib.rgb(255,200,125));
123
124 ForceDirectedLayout fdl = new ForceDirectedLayout(graph);
125 ForceSimulator fsim = fdl.getForceSimulator();
126 fsim.getForces()[0].setParameter(0, -1.2f);
127
128 ActionList animate = new ActionList(Activity.INFINITY);
129 animate.add(fdl);
130 animate.add(fill);
131 animate.add(new RepaintAction());
132
133 vis.putAction("draw", draw);
137 vis.putAction("layout", animate);
138 vis.runAfter("draw", "layout");
139
140
141
144 Display display = new Display(vis);
145 display.setSize(500,500);
146 display.setForeground(Color.GRAY);
147 display.setBackground(Color.WHITE);
148
149 display.addControlListener(new FocusControl(1));
151 display.addControlListener(new DragControl());
152 display.addControlListener(new PanControl());
153 display.addControlListener(new ZoomControl());
154 display.addControlListener(new WheelZoomControl());
155 display.addControlListener(new ZoomToFitControl());
156 display.addControlListener(new NeighborHighlightControl());
157
158 display.setForeground(Color.GRAY);
159 display.setBackground(Color.WHITE);
160
161
164 final JForcePanel fpanel = new JForcePanel(fsim);
166
167 final JValueSlider slider = new JValueSlider("Distance", 0, maxhops, hops);
168 slider.addChangeListener(new ChangeListener () {
169 public void stateChanged(ChangeEvent e) {
170 filter.setDistance(slider.getValue().intValue());
171 vis.run("draw");
172 }
173 });
174 slider.setBackground(Color.WHITE);
175 slider.setPreferredSize(new Dimension (300,30));
176 slider.setMaximumSize(new Dimension (300,30));
177
178 Box cf = new Box (BoxLayout.Y_AXIS);
179 cf.add(slider);
180 cf.setBorder(BorderFactory.createTitledBorder("Connectivity Filter"));
181 fpanel.add(cf);
182
183 fpanel.add(Box.createVerticalGlue());
184
185 JSplitPane split = new JSplitPane ();
187 split.setLeftComponent(display);
188 split.setRightComponent(fpanel);
189 split.setOneTouchExpandable(true);
190 split.setContinuousLayout(false);
191 split.setDividerLocation(530);
192 split.setDividerLocation(800);
193
194
195 NodeItem focus = (NodeItem)vg.getNode(0);
197 PrefuseLib.setX(focus, null, 400);
198 PrefuseLib.setY(focus, null, 250);
199 focusGroup.setTuple(focus);
200
201 return split;
203 }
204
205 } |
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