source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/commands/CMDshowTrie.java @ 24

package de.ugoe.cs.eventbench.commands;

import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Shape;
import java.security.InvalidParameterException;
import java.util.List;

import javax.swing.JFrame;

import org.apache.commons.collections15.Transformer;

import de.ugoe.cs.eventbench.data.GlobalDataContainer;
import de.ugoe.cs.eventbench.models.Trie.Edge;
import de.ugoe.cs.eventbench.models.Trie.TrieVertex;
import de.ugoe.cs.eventbench.models.TrieBasedModel;
import de.ugoe.cs.util.console.Command;
import de.ugoe.cs.util.console.Console;
import edu.uci.ics.jung.algorithms.layout.Layout;
import edu.uci.ics.jung.algorithms.layout.TreeLayout;
import edu.uci.ics.jung.graph.Tree;
import edu.uci.ics.jung.visualization.BasicVisualizationServer;
import edu.uci.ics.jung.visualization.decorators.ToStringLabeller;
import edu.uci.ics.jung.visualization.renderers.Renderer.VertexLabel.Position;

public class CMDshowTrie implements Command {

        @Override
        public void help() {
                Console.println("Usage: showTrie <modelName>");
        }
        
        @Override
        public void run(List<Object> parameters) {
                String modelname;
                try {
                        modelname = (String) parameters.get(0);
                } catch (Exception e) {
                        throw new InvalidParameterException();
                }
                
                Object dataObject = GlobalDataContainer.getInstance().getData(modelname);
                if( dataObject==null ) {
                        Console.printerrln("No model with name " + modelname + "found");
                } else {
                        TrieBasedModel model = (TrieBasedModel) dataObject;
                        Tree<TrieVertex, Edge> graph = model.getTrieGraph();
                        Layout<TrieVertex, Edge> layout = new TreeLayout<TrieVertex, Edge>(graph, 60);
                        // The BasicVisualizationServer<V,E> is parameterized by the edge types
                        BasicVisualizationServer<TrieVertex,Edge> vv =
                        new BasicVisualizationServer<TrieVertex,Edge>(layout);
                        vv.setPreferredSize(new Dimension(1100,850)); //Sets the viewing area size
                        
                        
                        final Rectangle rect = new Rectangle(40, 20);
                                
                        Transformer<TrieVertex, Shape> vertexShapeTransformer =
                                new Transformer<TrieVertex, Shape>() {
                                        public Shape transform(TrieVertex s) {
                                                return rect;
                                        }
                        };
                        vv.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
                        vv.getRenderContext().setVertexShapeTransformer(vertexShapeTransformer);
                        vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<TrieVertex>());
                        
                        JFrame frame = new JFrame("Trie");
                        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                        frame.getContentPane().add(vv);
                        frame.pack();
                        frame.setVisible(true);
                }
        }



}