| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University of | |
| 3 | * California All rights reserved. | |
| 4 | * | |
| 5 | * This software is open-source under the BSD license; see either "license.txt" | |
| 6 | * or http://jung.sourceforge.net/license.txt for a description. | |
| 7 | * | |
| 8 | */ | |
| 9 | /** | |
| 10 | * | |
| 11 | */ | |
| 12 | package edu.uci.ics.jung.visualization.control; | |
| 13 | ||
| 14 | import java.awt.event.ActionEvent; | |
| 15 | import java.awt.event.MouseEvent; | |
| 16 | import java.awt.geom.Point2D; | |
| 17 | import java.util.Iterator; | |
| 18 | import java.util.Set; | |
| 19 | ||
| 20 | import javax.swing.AbstractAction; | |
| 21 | import javax.swing.JMenu; | |
| 22 | import javax.swing.JPopupMenu; | |
| 23 | ||
| 24 | import edu.uci.ics.jung.graph.Edge; | |
| 25 | import edu.uci.ics.jung.graph.Graph; | |
| 26 | import edu.uci.ics.jung.graph.Vertex; | |
| 27 | import edu.uci.ics.jung.graph.impl.DirectedSparseEdge; | |
| 28 | import edu.uci.ics.jung.graph.impl.SparseVertex; | |
| 29 | import edu.uci.ics.jung.graph.impl.UndirectedSparseEdge; | |
| 30 | import edu.uci.ics.jung.visualization.Layout; | |
| 31 | import edu.uci.ics.jung.visualization.PickSupport; | |
| 32 | import edu.uci.ics.jung.visualization.PickedState; | |
| 33 | import edu.uci.ics.jung.visualization.SettableVertexLocationFunction; | |
| 34 | import edu.uci.ics.jung.visualization.VisualizationViewer; | |
| 35 | ||
| 36 | /** | |
| 37 | * a plugin that uses popup menus to create vertices, undirected edges, | |
| 38 | * and directed edges. | |
| 39 | * | |
| 40 | * @author Tom Nelson - RABA Technologies | |
| 41 | * | |
| 42 | */ | |
| 43 | public class EditingPopupGraphMousePlugin extends AbstractPopupGraphMousePlugin { | |
| 44 | ||
| 45 | SettableVertexLocationFunction vertexLocations; | |
| 46 | ||
| 47 | 0 | public EditingPopupGraphMousePlugin(SettableVertexLocationFunction vertexLocations) { |
| 48 | 0 | this.vertexLocations = vertexLocations; |
| 49 | 0 | } |
| 50 | ||
| 51 | protected void handlePopup(MouseEvent e) { | |
| 52 | 0 | final VisualizationViewer vv = |
| 53 | (VisualizationViewer)e.getSource(); | |
| 54 | 0 | final Layout layout = vv.getGraphLayout(); |
| 55 | 0 | final Graph graph = layout.getGraph(); |
| 56 | 0 | final Point2D p = e.getPoint(); |
| 57 | 0 | final Point2D ivp = vv.inverseViewTransform(e.getPoint()); |
| 58 | 0 | PickSupport pickSupport = vv.getPickSupport(); |
| 59 | 0 | if(pickSupport != null) { |
| 60 | ||
| 61 | 0 | final Vertex vertex = pickSupport.getVertex(ivp.getX(), ivp.getY()); |
| 62 | 0 | final Edge edge = pickSupport.getEdge(ivp.getX(), ivp.getY()); |
| 63 | 0 | final PickedState pickedState = vv.getPickedState(); |
| 64 | 0 | JPopupMenu popup = new JPopupMenu(); |
| 65 | ||
| 66 | 0 | if(vertex != null) { |
| 67 | 0 | Set picked = pickedState.getPickedVertices(); |
| 68 | 0 | if(picked.size() > 0) { |
| 69 | 0 | JMenu directedMenu = new JMenu("Create Directed Edge"); |
| 70 | 0 | popup.add(directedMenu); |
| 71 | 0 | for(Iterator iterator=picked.iterator(); iterator.hasNext(); ) { |
| 72 | 0 | final Vertex other = (Vertex)iterator.next(); |
| 73 | 0 | directedMenu.add(new AbstractAction("["+other+","+vertex+"]") { |
| 74 | public void actionPerformed(ActionEvent e) { | |
| 75 | Edge newEdge = new DirectedSparseEdge(other, vertex); | |
| 76 | graph.addEdge(newEdge); | |
| 77 | vv.repaint(); | |
| 78 | } | |
| 79 | }); | |
| 80 | } | |
| 81 | 0 | JMenu undirectedMenu = new JMenu("Create Undirected Edge"); |
| 82 | 0 | popup.add(undirectedMenu); |
| 83 | 0 | for(Iterator iterator=picked.iterator(); iterator.hasNext(); ) { |
| 84 | 0 | final Vertex other = (Vertex)iterator.next(); |
| 85 | 0 | undirectedMenu.add(new AbstractAction("[" + other+","+vertex+"]") { |
| 86 | public void actionPerformed(ActionEvent e) { | |
| 87 | Edge newEdge = new UndirectedSparseEdge(other, vertex); | |
| 88 | graph.addEdge(newEdge); | |
| 89 | vv.repaint(); | |
| 90 | } | |
| 91 | }); | |
| 92 | } | |
| 93 | } | |
| 94 | 0 | popup.add(new AbstractAction("Delete Vertex") { |
| 95 | public void actionPerformed(ActionEvent e) { | |
| 96 | pickedState.pick(vertex, false); | |
| 97 | graph.removeVertex(vertex); | |
| 98 | vv.repaint(); | |
| 99 | }}); | |
| 100 | 0 | } else if(edge != null) { |
| 101 | 0 | popup.add(new AbstractAction("Delete Edge") { |
| 102 | public void actionPerformed(ActionEvent e) { | |
| 103 | pickedState.pick(edge, false); | |
| 104 | graph.removeEdge(edge); | |
| 105 | vv.repaint(); | |
| 106 | }}); | |
| 107 | } else { | |
| 108 | 0 | popup.add(new AbstractAction("Create Vertex") { |
| 109 | public void actionPerformed(ActionEvent e) { | |
| 110 | Vertex newVertex = new SparseVertex(); | |
| 111 | vertexLocations.setLocation(newVertex, vv.inverseTransform(p)); | |
| 112 | Layout layout = vv.getGraphLayout(); | |
| 113 | for(Iterator iterator=graph.getVertices().iterator(); iterator.hasNext(); ) { | |
| 114 | layout.lockVertex((Vertex)iterator.next()); | |
| 115 | } | |
| 116 | graph.addVertex(newVertex); | |
| 117 | vv.getModel().restart(); | |
| 118 | for(Iterator iterator=graph.getVertices().iterator(); iterator.hasNext(); ) { | |
| 119 | layout.unlockVertex((Vertex)iterator.next()); | |
| 120 | } | |
| 121 | vv.repaint(); | |
| 122 | } | |
| 123 | }); | |
| 124 | } | |
| 125 | 0 | if(popup.getComponentCount() > 0) { |
| 126 | 0 | popup.show(vv, e.getX(), e.getY()); |
| 127 | } | |
| 128 | } | |
| 129 | 0 | } |
| 130 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |