| 1 | package de.ugoe.cs.quest.ui.commands;
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| 2 |
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| 3 | import java.awt.Dimension;
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| 4 | import java.awt.Rectangle;
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| 5 | import java.awt.Shape;
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| 6 | import java.security.InvalidParameterException;
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| 7 | import java.util.List;
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| 8 |
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| 9 | import javax.swing.JFrame;
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| 10 |
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| 11 | import org.apache.commons.collections15.Transformer;
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| 12 |
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| 13 | import de.ugoe.cs.quest.CommandHelpers;
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| 14 | import de.ugoe.cs.quest.usageprofiles.Trie;
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| 15 | import de.ugoe.cs.quest.usageprofiles.Trie.Edge;
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| 16 | import de.ugoe.cs.quest.usageprofiles.Trie.TrieVertex;
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| 17 | import de.ugoe.cs.quest.usageprofiles.TrieBasedModel;
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| 18 | import de.ugoe.cs.util.console.Command;
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| 19 | import de.ugoe.cs.util.console.GlobalDataContainer;
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| 20 | import edu.uci.ics.jung.algorithms.layout.Layout;
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| 21 | import edu.uci.ics.jung.algorithms.layout.TreeLayout;
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| 22 | import edu.uci.ics.jung.graph.Tree;
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| 23 | import edu.uci.ics.jung.visualization.BasicVisualizationServer;
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| 24 | import edu.uci.ics.jung.visualization.decorators.ToStringLabeller;
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| 25 | import edu.uci.ics.jung.visualization.renderers.Renderer.VertexLabel.Position;
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| 26 |
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| 27 | /**
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| 28 | * <p>
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| 29 | * Command that visualizes the {@link Trie} of a {@link TrieBasedModel}.
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| 30 | * </p>
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| 31 | *
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| 32 | * @author Steffen Herbold
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| 33 | * @version 1.0
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| 34 | */
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| 35 | public class CMDshowTrie implements Command {
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| 36 |
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| 37 | /*
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| 38 | * (non-Javadoc)
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| 39 | *
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| 40 | * @see de.ugoe.cs.util.console.Command#help()
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| 41 | */
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| 42 | @Override
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| 43 | public String help() {
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| 44 | return "showTrie <modelname>";
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| 45 | }
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| 46 |
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| 47 | /*
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| 48 | * (non-Javadoc)
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| 49 | *
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| 50 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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| 51 | */
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| 52 | @Override
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| 53 | public void run(List<Object> parameters) {
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| 54 | String modelname;
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| 55 | try {
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| 56 | modelname = (String) parameters.get(0);
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| 57 | } catch (Exception e) {
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| 58 | throw new InvalidParameterException();
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| 59 | }
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| 60 |
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| 61 | Object dataObject = GlobalDataContainer.getInstance()
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| 62 | .getData(modelname);
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| 63 | if (dataObject == null) {
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| 64 | CommandHelpers.objectNotFoundMessage(modelname);
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| 65 | return;
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| 66 | }
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| 67 | if (!(dataObject instanceof TrieBasedModel)) {
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| 68 | CommandHelpers.objectNotType(modelname, "TrieBasedModel");
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| 69 | }
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| 70 | TrieBasedModel model = (TrieBasedModel) dataObject;
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| 71 | Tree<TrieVertex, Edge> graph = model.getTrieGraph();
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| 72 | Layout<TrieVertex, Edge> layout = new TreeLayout<TrieVertex, Edge>(
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| 73 | graph, 60);
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| 74 | // The BasicVisualizationServer<V,E> is parameterized by the edge
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| 75 | // types
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| 76 | BasicVisualizationServer<TrieVertex, Edge> vv = new BasicVisualizationServer<TrieVertex, Edge>(
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| 77 | layout);
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| 78 | vv.setPreferredSize(new Dimension(1100, 850)); // Sets the viewing
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| 79 | // area size
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| 80 |
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| 81 | final Rectangle rect = new Rectangle(40, 20);
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| 82 |
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| 83 | Transformer<TrieVertex, Shape> vertexShapeTransformer = new Transformer<TrieVertex, Shape>() {
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| 84 | public Shape transform(TrieVertex s) {
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| 85 | return rect;
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| 86 | }
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| 87 | };
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| 88 | vv.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
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| 89 | vv.getRenderContext().setVertexShapeTransformer(vertexShapeTransformer);
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| 90 | vv.getRenderContext().setVertexLabelTransformer(
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| 91 | new ToStringLabeller<TrieVertex>());
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| 92 |
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| 93 | JFrame frame = new JFrame("Trie");
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| 94 | frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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| 95 | frame.getContentPane().add(vv);
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| 96 | frame.pack();
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| 97 | frame.setVisible(true);
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| 98 | }
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| 99 |
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| 100 | }
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