1 | |
---|
2 | package de.ugoe.cs.autoquest.usability.sandboxapp; |
---|
3 | |
---|
4 | /* |
---|
5 | * Copyright (c) 2003, the JUNG Project and the Regents of the University of |
---|
6 | * California All rights reserved. |
---|
7 | * |
---|
8 | * This software is open-source under the BSD license; see either "license.txt" |
---|
9 | * or http://jung.sourceforge.net/license.txt for a description. |
---|
10 | * |
---|
11 | */ |
---|
12 | |
---|
13 | import java.awt.BorderLayout; |
---|
14 | import java.awt.Color; |
---|
15 | import java.awt.Container; |
---|
16 | import java.awt.Dimension; |
---|
17 | import java.awt.Graphics; |
---|
18 | import java.awt.Graphics2D; |
---|
19 | import java.awt.GridLayout; |
---|
20 | import java.awt.Shape; |
---|
21 | import java.awt.event.ActionEvent; |
---|
22 | import java.awt.event.ActionListener; |
---|
23 | import java.awt.event.ItemEvent; |
---|
24 | import java.awt.event.ItemListener; |
---|
25 | import java.awt.geom.Ellipse2D; |
---|
26 | import java.awt.geom.Point2D; |
---|
27 | import java.util.Collection; |
---|
28 | import java.util.HashSet; |
---|
29 | import java.util.LinkedList; |
---|
30 | import java.util.Map; |
---|
31 | import java.util.Queue; |
---|
32 | import java.util.Set; |
---|
33 | |
---|
34 | import javax.swing.BorderFactory; |
---|
35 | import javax.swing.JApplet; |
---|
36 | import javax.swing.JButton; |
---|
37 | import javax.swing.JComboBox; |
---|
38 | import javax.swing.JFrame; |
---|
39 | import javax.swing.JPanel; |
---|
40 | import javax.swing.JToggleButton; |
---|
41 | |
---|
42 | import org.apache.commons.collections15.Factory; |
---|
43 | import org.apache.commons.collections15.Transformer; |
---|
44 | import org.apache.commons.collections15.functors.ConstantTransformer; |
---|
45 | |
---|
46 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTree; |
---|
47 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode; |
---|
48 | import de.ugoe.cs.autoquest.usability.testutil.GenerateTaskTreeUtil; |
---|
49 | import edu.uci.ics.jung.algorithms.layout.FRLayout; |
---|
50 | import edu.uci.ics.jung.algorithms.layout.PolarPoint; |
---|
51 | import edu.uci.ics.jung.algorithms.layout.RadialTreeLayout; |
---|
52 | import edu.uci.ics.jung.algorithms.layout.TreeLayout; |
---|
53 | import edu.uci.ics.jung.graph.DelegateForest; |
---|
54 | import edu.uci.ics.jung.graph.DelegateTree; |
---|
55 | import edu.uci.ics.jung.graph.DirectedGraph; |
---|
56 | import edu.uci.ics.jung.graph.DirectedSparseMultigraph; |
---|
57 | import edu.uci.ics.jung.graph.Forest; |
---|
58 | import edu.uci.ics.jung.graph.Graph; |
---|
59 | import edu.uci.ics.jung.graph.Tree; |
---|
60 | import edu.uci.ics.jung.visualization.GraphZoomScrollPane; |
---|
61 | import edu.uci.ics.jung.visualization.Layer; |
---|
62 | import edu.uci.ics.jung.visualization.VisualizationServer; |
---|
63 | import edu.uci.ics.jung.visualization.VisualizationViewer; |
---|
64 | import edu.uci.ics.jung.visualization.control.CrossoverScalingControl; |
---|
65 | import edu.uci.ics.jung.visualization.control.DefaultModalGraphMouse; |
---|
66 | import edu.uci.ics.jung.visualization.control.ModalGraphMouse; |
---|
67 | import edu.uci.ics.jung.visualization.control.ScalingControl; |
---|
68 | import edu.uci.ics.jung.visualization.decorators.EdgeShape; |
---|
69 | import edu.uci.ics.jung.visualization.decorators.EllipseVertexShapeTransformer; |
---|
70 | import edu.uci.ics.jung.visualization.decorators.ToStringLabeller; |
---|
71 | import edu.uci.ics.jung.visualization.subLayout.TreeCollapser; |
---|
72 | |
---|
73 | /** |
---|
74 | * Demonstrates "collapsing"/"expanding" of a tree's subtrees. |
---|
75 | * |
---|
76 | * @author Tom Nelson |
---|
77 | * |
---|
78 | */ |
---|
79 | @SuppressWarnings("serial") |
---|
80 | public class TaskTreeVisualizerDemoApp extends JApplet { |
---|
81 | |
---|
82 | private static final String fileToParse = "javatrace.xml"; |
---|
83 | |
---|
84 | public static void main(String[] args) { |
---|
85 | JFrame frame = new JFrame(); |
---|
86 | Container content = frame.getContentPane(); |
---|
87 | frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
---|
88 | |
---|
89 | content.add(new TaskTreeVisualizerDemoApp(fileToParse)); |
---|
90 | frame.pack(); |
---|
91 | frame.setVisible(true); |
---|
92 | } |
---|
93 | |
---|
94 | /** |
---|
95 | * the graph |
---|
96 | */ |
---|
97 | Forest<String, Integer> graph; |
---|
98 | |
---|
99 | Factory<DirectedGraph<String, Integer>> graphFactory = |
---|
100 | new Factory<DirectedGraph<String, Integer>>() { |
---|
101 | |
---|
102 | public DirectedGraph<String, Integer> create() { |
---|
103 | return new DirectedSparseMultigraph<String, Integer>(); |
---|
104 | } |
---|
105 | }; |
---|
106 | |
---|
107 | Factory<Tree<String, Integer>> treeFactory = new Factory<Tree<String, Integer>>() { |
---|
108 | |
---|
109 | public Tree<String, Integer> create() { |
---|
110 | return new DelegateTree<String, Integer>(graphFactory); |
---|
111 | } |
---|
112 | }; |
---|
113 | |
---|
114 | Factory<Integer> edgeFactory = new Factory<Integer>() { |
---|
115 | int i = 0; |
---|
116 | |
---|
117 | public Integer create() { |
---|
118 | return i++; |
---|
119 | } |
---|
120 | }; |
---|
121 | |
---|
122 | Factory<String> vertexFactory = new Factory<String>() { |
---|
123 | int i = 0; |
---|
124 | |
---|
125 | public String create() { |
---|
126 | return "V" + i++; |
---|
127 | } |
---|
128 | }; |
---|
129 | |
---|
130 | /** |
---|
131 | * the visual component and renderer for the graph |
---|
132 | */ |
---|
133 | VisualizationViewer<String, Integer> vv; |
---|
134 | |
---|
135 | VisualizationServer.Paintable rings; |
---|
136 | |
---|
137 | String root; |
---|
138 | |
---|
139 | TreeLayout<String, Integer> layout; |
---|
140 | @SuppressWarnings("rawtypes") |
---|
141 | FRLayout layout1; |
---|
142 | |
---|
143 | TreeCollapser collapser; |
---|
144 | |
---|
145 | RadialTreeLayout<String, Integer> radialLayout; |
---|
146 | |
---|
147 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
---|
148 | public TaskTreeVisualizerDemoApp(String filetoparse) { |
---|
149 | |
---|
150 | ITaskTree taskTree = GenerateTaskTreeUtil.getTaskTreeFromFile(filetoparse); |
---|
151 | |
---|
152 | // create a simple graph for the demo |
---|
153 | graph = new DelegateForest<String, Integer>(); |
---|
154 | |
---|
155 | createTree(taskTree.getRoot().getChildren().get(0)); |
---|
156 | |
---|
157 | layout = new TreeLayout<String, Integer>(graph); |
---|
158 | collapser = new TreeCollapser(); |
---|
159 | |
---|
160 | radialLayout = new RadialTreeLayout<String, Integer>(graph); |
---|
161 | radialLayout.setSize(new Dimension(600, 600)); |
---|
162 | vv = new VisualizationViewer<String, Integer>(layout, new Dimension(600, 600)); |
---|
163 | vv.setBackground(Color.white); |
---|
164 | vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line()); |
---|
165 | vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller()); |
---|
166 | vv.getRenderContext().setVertexShapeTransformer(new ClusterVertexShapeFunction()); |
---|
167 | // add a listener for ToolTips |
---|
168 | vv.setVertexToolTipTransformer(new ToStringLabeller()); |
---|
169 | vv.getRenderContext() |
---|
170 | .setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray)); |
---|
171 | rings = new Rings(); |
---|
172 | |
---|
173 | Container content = getContentPane(); |
---|
174 | final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv); |
---|
175 | content.add(panel); |
---|
176 | |
---|
177 | final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse(); |
---|
178 | |
---|
179 | vv.setGraphMouse(graphMouse); |
---|
180 | |
---|
181 | JComboBox modeBox = graphMouse.getModeComboBox(); |
---|
182 | modeBox.addItemListener(graphMouse.getModeListener()); |
---|
183 | graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING); |
---|
184 | |
---|
185 | final ScalingControl scaler = new CrossoverScalingControl(); |
---|
186 | |
---|
187 | JButton plus = new JButton("+"); |
---|
188 | plus.addActionListener(new ActionListener() { |
---|
189 | public void actionPerformed(ActionEvent e) { |
---|
190 | scaler.scale(vv, 1.1f, vv.getCenter()); |
---|
191 | } |
---|
192 | }); |
---|
193 | JButton minus = new JButton("-"); |
---|
194 | minus.addActionListener(new ActionListener() { |
---|
195 | public void actionPerformed(ActionEvent e) { |
---|
196 | scaler.scale(vv, 1 / 1.1f, vv.getCenter()); |
---|
197 | } |
---|
198 | }); |
---|
199 | |
---|
200 | JToggleButton radial = new JToggleButton("Radial"); |
---|
201 | radial.addItemListener(new ItemListener() { |
---|
202 | |
---|
203 | public void itemStateChanged(ItemEvent e) { |
---|
204 | if (e.getStateChange() == ItemEvent.SELECTED) { |
---|
205 | // layout.setRadial(true); |
---|
206 | vv.setGraphLayout(radialLayout); |
---|
207 | vv.getRenderContext().getMultiLayerTransformer().setToIdentity(); |
---|
208 | vv.addPreRenderPaintable(rings); |
---|
209 | } |
---|
210 | else { |
---|
211 | // layout.setRadial(false); |
---|
212 | vv.setGraphLayout(layout); |
---|
213 | vv.getRenderContext().getMultiLayerTransformer().setToIdentity(); |
---|
214 | vv.removePreRenderPaintable(rings); |
---|
215 | } |
---|
216 | vv.repaint(); |
---|
217 | } |
---|
218 | }); |
---|
219 | |
---|
220 | JButton collapse = new JButton("Collapse"); |
---|
221 | collapse.addActionListener(new ActionListener() { |
---|
222 | |
---|
223 | public void actionPerformed(ActionEvent e) { |
---|
224 | Collection picked = new HashSet(vv.getPickedVertexState().getPicked()); |
---|
225 | if (picked.size() == 1) { |
---|
226 | Object root = picked.iterator().next(); |
---|
227 | Forest inGraph = (Forest) layout.getGraph(); |
---|
228 | |
---|
229 | try { |
---|
230 | collapser.collapse(vv.getGraphLayout(), inGraph, root); |
---|
231 | } |
---|
232 | catch (InstantiationException e1) { |
---|
233 | // TODO Auto-generated catch block |
---|
234 | e1.printStackTrace(); |
---|
235 | } |
---|
236 | catch (IllegalAccessException e1) { |
---|
237 | // TODO Auto-generated catch block |
---|
238 | e1.printStackTrace(); |
---|
239 | } |
---|
240 | |
---|
241 | vv.getPickedVertexState().clear(); |
---|
242 | vv.repaint(); |
---|
243 | } |
---|
244 | } |
---|
245 | }); |
---|
246 | |
---|
247 | JButton expand = new JButton("Expand"); |
---|
248 | expand.addActionListener(new ActionListener() { |
---|
249 | |
---|
250 | public void actionPerformed(ActionEvent e) { |
---|
251 | Collection picked = vv.getPickedVertexState().getPicked(); |
---|
252 | for (Object v : picked) { |
---|
253 | if (v instanceof Forest) { |
---|
254 | Forest inGraph = (Forest) layout.getGraph(); |
---|
255 | collapser.expand(inGraph, (Forest) v); |
---|
256 | } |
---|
257 | vv.getPickedVertexState().clear(); |
---|
258 | vv.repaint(); |
---|
259 | } |
---|
260 | } |
---|
261 | }); |
---|
262 | |
---|
263 | JPanel scaleGrid = new JPanel(new GridLayout(1, 0)); |
---|
264 | scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom")); |
---|
265 | |
---|
266 | JPanel controls = new JPanel(); |
---|
267 | scaleGrid.add(plus); |
---|
268 | scaleGrid.add(minus); |
---|
269 | controls.add(radial); |
---|
270 | controls.add(scaleGrid); |
---|
271 | controls.add(modeBox); |
---|
272 | controls.add(collapse); |
---|
273 | controls.add(expand); |
---|
274 | content.add(controls, BorderLayout.SOUTH); |
---|
275 | } |
---|
276 | |
---|
277 | class Rings implements VisualizationServer.Paintable { |
---|
278 | |
---|
279 | Collection<Double> depths; |
---|
280 | |
---|
281 | public Rings() { |
---|
282 | depths = getDepths(); |
---|
283 | } |
---|
284 | |
---|
285 | private Collection<Double> getDepths() { |
---|
286 | Set<Double> depths = new HashSet<Double>(); |
---|
287 | Map<String, PolarPoint> polarLocations = radialLayout.getPolarLocations(); |
---|
288 | for (String v : graph.getVertices()) { |
---|
289 | PolarPoint pp = polarLocations.get(v); |
---|
290 | depths.add(pp.getRadius()); |
---|
291 | } |
---|
292 | return depths; |
---|
293 | } |
---|
294 | |
---|
295 | public void paint(Graphics g) { |
---|
296 | g.setColor(Color.lightGray); |
---|
297 | |
---|
298 | Graphics2D g2d = (Graphics2D) g; |
---|
299 | Point2D center = radialLayout.getCenter(); |
---|
300 | |
---|
301 | Ellipse2D ellipse = new Ellipse2D.Double(); |
---|
302 | for (double d : depths) { |
---|
303 | ellipse.setFrameFromDiagonal(center.getX() - d, center.getY() - d, center.getX() + |
---|
304 | d, center.getY() + d); |
---|
305 | Shape shape = |
---|
306 | vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT) |
---|
307 | .transform(ellipse); |
---|
308 | g2d.draw(shape); |
---|
309 | } |
---|
310 | } |
---|
311 | |
---|
312 | public boolean useTransform() { |
---|
313 | return true; |
---|
314 | } |
---|
315 | } |
---|
316 | |
---|
317 | /** |
---|
318 | * @param taskTree |
---|
319 | * |
---|
320 | */ |
---|
321 | private void createTree(ITaskTreeNode node) { |
---|
322 | Queue<ITaskTreeNode> unvisitedNodes = new LinkedList<ITaskTreeNode>(); |
---|
323 | unvisitedNodes.add(node); |
---|
324 | while (stillUnvisitedNodes(unvisitedNodes)) { |
---|
325 | ITaskTreeNode node2 = unvisitedNodes.poll(); |
---|
326 | graph.addVertex(node2.toString()); |
---|
327 | for (ITaskTreeNode child : node2.getChildren()) { |
---|
328 | graph.addEdge(edgeFactory.create(), node2.toString(), child.toString()); |
---|
329 | unvisitedNodes.add(child); |
---|
330 | } |
---|
331 | } |
---|
332 | } |
---|
333 | |
---|
334 | private boolean stillUnvisitedNodes(Queue<ITaskTreeNode> unvisitedNodes) { |
---|
335 | return !unvisitedNodes.isEmpty(); |
---|
336 | } |
---|
337 | |
---|
338 | /** |
---|
339 | * a demo class that will create a vertex shape that is either a polygon or star. The number of |
---|
340 | * sides corresponds to the number of vertices that were collapsed into the vertex represented |
---|
341 | * by this shape. |
---|
342 | * |
---|
343 | * @author Tom Nelson |
---|
344 | * |
---|
345 | * @param <V> |
---|
346 | */ |
---|
347 | class ClusterVertexShapeFunction<V> extends EllipseVertexShapeTransformer<V> { |
---|
348 | |
---|
349 | ClusterVertexShapeFunction() { |
---|
350 | setSizeTransformer(new ClusterVertexSizeFunction<V>(20)); |
---|
351 | } |
---|
352 | |
---|
353 | @Override |
---|
354 | public Shape transform(V v) { |
---|
355 | if (v instanceof Graph) { |
---|
356 | int size = ((Graph<?, ?>) v).getVertexCount(); |
---|
357 | if (size < 8) { |
---|
358 | int sides = Math.max(size, 3); |
---|
359 | return factory.getRegularPolygon(v, sides); |
---|
360 | } |
---|
361 | else { |
---|
362 | return factory.getRegularStar(v, size); |
---|
363 | } |
---|
364 | } |
---|
365 | return super.transform(v); |
---|
366 | } |
---|
367 | } |
---|
368 | |
---|
369 | /** |
---|
370 | * A demo class that will make vertices larger if they represent a collapsed collection of |
---|
371 | * original vertices |
---|
372 | * |
---|
373 | * @author Tom Nelson |
---|
374 | * |
---|
375 | * @param <V> |
---|
376 | */ |
---|
377 | class ClusterVertexSizeFunction<V> implements Transformer<V, Integer> { |
---|
378 | int size; |
---|
379 | |
---|
380 | public ClusterVertexSizeFunction(Integer size) { |
---|
381 | this.size = size; |
---|
382 | } |
---|
383 | |
---|
384 | public Integer transform(V v) { |
---|
385 | if (v instanceof Graph) { |
---|
386 | return 30; |
---|
387 | } |
---|
388 | return size; |
---|
389 | } |
---|
390 | } |
---|
391 | } |
---|