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|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University | |
| 3 | * of California | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * This software is open-source under the BSD license; see either | |
| 7 | * "license.txt" or | |
| 8 | * http://jung.sourceforge.net/license.txt for a description. | |
| 9 | */ | |
| 10 | package edu.uci.ics.jung.visualization; | |
| 11 | ||
| 12 | import java.awt.Color; | |
| 13 | import java.awt.Dimension; | |
| 14 | import java.awt.Graphics; | |
| 15 | import java.awt.Graphics2D; | |
| 16 | import java.awt.RenderingHints; | |
| 17 | import java.awt.geom.AffineTransform; | |
| 18 | import java.awt.geom.Point2D; | |
| 19 | import java.util.HashMap; | |
| 20 | import java.util.Iterator; | |
| 21 | import java.util.Map; | |
| 22 | ||
| 23 | import javax.swing.JPanel; | |
| 24 | import javax.swing.event.ChangeEvent; | |
| 25 | import javax.swing.event.ChangeListener; | |
| 26 | ||
| 27 | import edu.uci.ics.jung.graph.Edge; | |
| 28 | import edu.uci.ics.jung.graph.Vertex; | |
| 29 | import edu.uci.ics.jung.visualization.transform.MutableAffineTransformer; | |
| 30 | import edu.uci.ics.jung.visualization.transform.MutableTransformer; | |
| 31 | ||
| 32 | /** | |
| 33 | * BirdsEyeVisualizationViewer is intended to be an additional display of a | |
| 34 | * graph and layout that is being manipulated elsewhere. This class makes no | |
| 35 | * calls that mutate the graph or layout | |
| 36 | * | |
| 37 | * @deprecated Use the SatelliteVisualizationViewer instead | |
| 38 | * @author Tom Nelson - RABA Technologies | |
| 39 | * | |
| 40 | * | |
| 41 | */ | |
| 42 | public class BirdsEyeVisualizationViewer extends JPanel { | |
| 43 | ||
| 44 | protected VisualizationViewer vv; | |
| 45 | ||
| 46 | protected Renderer renderer; | |
| 47 | ||
| 48 | protected VisualizationModel model; | |
| 49 | ||
| 50 | 0 | protected Map renderingHints = new HashMap(); |
| 51 | ||
| 52 | 0 | protected float scalex = 1.0f; |
| 53 | ||
| 54 | 0 | protected float scaley = 1.0f; |
| 55 | ||
| 56 | protected Lens lens; | |
| 57 | ||
| 58 | 0 | protected MutableTransformer layoutTransformer = |
| 59 | new MutableAffineTransformer(new AffineTransform()); | |
| 60 | ||
| 61 | /** | |
| 62 | * create an instance with passed values | |
| 63 | * @param layout the layout to use | |
| 64 | * @param r the renderer to use | |
| 65 | * @param scalex the scale in the horizontal direction | |
| 66 | * @param scaley the scale in the vertical direction | |
| 67 | */ | |
| 68 | public BirdsEyeVisualizationViewer(VisualizationViewer vv, | |
| 69 | 0 | float scalex, float scaley) { |
| 70 | 0 | this.vv = vv; |
| 71 | 0 | this.model = vv.getModel(); |
| 72 | 0 | this.model.setRelaxerThreadSleepTime(200); |
| 73 | 0 | this.renderer = vv.getRenderer(); |
| 74 | 0 | this.scalex = scalex; |
| 75 | 0 | this.scaley = scaley; |
| 76 | 0 | renderingHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
| 77 | 0 | setLayoutTransformer(vv.getLayoutTransformer()); |
| 78 | 0 | } |
| 79 | ||
| 80 | ||
| 81 | ||
| 82 | /** | |
| 83 | * @return Returns the layoutTransformer. | |
| 84 | */ | |
| 85 | public MutableTransformer getLayoutTransformer() { | |
| 86 | 0 | return layoutTransformer; |
| 87 | } | |
| 88 | ||
| 89 | ||
| 90 | ||
| 91 | /** | |
| 92 | * @param layoutTransformer The layoutTransformer to set. | |
| 93 | */ | |
| 94 | public void setLayoutTransformer(MutableTransformer layoutTransformer) { | |
| 95 | 0 | this.layoutTransformer = layoutTransformer; |
| 96 | 0 | } |
| 97 | ||
| 98 | ||
| 99 | ||
| 100 | /** | |
| 101 | * reset the Lens to no zoom/no offset. | |
| 102 | * passes call to Lens | |
| 103 | * | |
| 104 | */ | |
| 105 | public void resetLens() { | |
| 106 | 0 | if(lens != null) { |
| 107 | 0 | lens.reset(); |
| 108 | } | |
| 109 | 0 | } |
| 110 | ||
| 111 | /** | |
| 112 | * set the initial values for the Lens | |
| 113 | * (50% zoom centered in display) | |
| 114 | * | |
| 115 | */ | |
| 116 | public void initLens() { | |
| 117 | 0 | if(lens != null) { |
| 118 | 0 | lens.init(); |
| 119 | } | |
| 120 | 0 | } |
| 121 | ||
| 122 | /** | |
| 123 | * proportionally zoom the Lens | |
| 124 | * @param percent | |
| 125 | */ | |
| 126 | public void zoom(float percent) { | |
| 127 | 0 | vv.getViewTransformer().scale(percent, percent, vv.getCenter()); |
| 128 | 0 | } |
| 129 | ||
| 130 | /** | |
| 131 | * defers setting the perferred size until the component is | |
| 132 | * live and the layout size is known | |
| 133 | * Adds the mouse clicker at that time. | |
| 134 | */ | |
| 135 | public void addNotify() { | |
| 136 | 0 | super.addNotify(); |
| 137 | 0 | Dimension layoutSize = model.getGraphLayout().getCurrentSize(); |
| 138 | 0 | if (layoutSize != null) { |
| 139 | 0 | Dimension mySize = new Dimension((int) (layoutSize.width * scalex), |
| 140 | (int) (layoutSize.height * scaley)); | |
| 141 | 0 | setPreferredSize(mySize); |
| 142 | 0 | initMouseClicker(); |
| 143 | } | |
| 144 | 0 | } |
| 145 | ||
| 146 | /** | |
| 147 | * Creates and adds the Lens to control zoom/pan functions | |
| 148 | */ | |
| 149 | protected void initMouseClicker() { | |
| 150 | 0 | Dimension layoutSize = model.getGraphLayout().getCurrentSize(); |
| 151 | 0 | if (layoutSize != null) { |
| 152 | 0 | lens = new Lens(vv, scalex, scaley); |
| 153 | } | |
| 154 | 0 | vv.addChangeListener(new ChangeListener() { |
| 155 | ||
| 156 | public void stateChanged(ChangeEvent e) { | |
| 157 | VisualizationViewer vv = | |
| 158 | (VisualizationViewer)e.getSource(); | |
| 159 | lens.setFrame(vv); | |
| 160 | repaint(); | |
| 161 | } | |
| 162 | }); | |
| 163 | 0 | addMouseListener(lens); |
| 164 | 0 | addMouseMotionListener(lens); |
| 165 | 0 | } |
| 166 | ||
| 167 | /** | |
| 168 | * UNTESTED. | |
| 169 | */ | |
| 170 | public void setRenderer(Renderer r) { | |
| 171 | 0 | this.renderer = r; |
| 172 | 0 | repaint(); |
| 173 | 0 | } |
| 174 | ||
| 175 | /** | |
| 176 | * setter for layout | |
| 177 | * @param v the layout | |
| 178 | */ | |
| 179 | public void setGraphLayout(Layout layout) { | |
| 180 | 0 | model.setGraphLayout(layout); |
| 181 | 0 | } |
| 182 | ||
| 183 | /** | |
| 184 | * getter for graph layout | |
| 185 | * @return the layout | |
| 186 | */ | |
| 187 | public Layout getGraphLayout() { | |
| 188 | 0 | return model.getGraphLayout(); |
| 189 | } | |
| 190 | ||
| 191 | /** | |
| 192 | * paint the graph components. The Graphics will have been transformed | |
| 193 | * by scalex and scaley prior to calling this method | |
| 194 | * @param g | |
| 195 | */ | |
| 196 | private void paintGraph(Graphics g) { | |
| 197 | 0 | Layout layout = model.getGraphLayout(); |
| 198 | // paint all the Edges | |
| 199 | 0 | for (Iterator iter = layout.getGraph().getEdges().iterator(); iter |
| 200 | 0 | .hasNext();) { |
| 201 | 0 | Edge e = (Edge) iter.next(); |
| 202 | 0 | Vertex v1 = (Vertex) e.getEndpoints().getFirst(); |
| 203 | 0 | Vertex v2 = (Vertex) e.getEndpoints().getSecond(); |
| 204 | 0 | Point2D p1 = layout.getLocation(v1); |
| 205 | 0 | Point2D p2 = layout.getLocation(v2); |
| 206 | 0 | p1 = layoutTransformer.transform(p1); |
| 207 | 0 | p2 = layoutTransformer.transform(p2); |
| 208 | 0 | renderer.paintEdge(g, e, (int) p1.getX(), |
| 209 | (int) p1.getY(), (int) p2.getX(), (int) p2.getY()); | |
| 210 | } | |
| 211 | // Paint all the Vertices | |
| 212 | 0 | for (Iterator iter = layout.getGraph().getVertices().iterator(); iter |
| 213 | 0 | .hasNext();) { |
| 214 | 0 | Vertex v = (Vertex) iter.next(); |
| 215 | 0 | Point2D p = layout.getLocation(v); |
| 216 | 0 | p = layoutTransformer.transform(p); |
| 217 | 0 | renderer.paintVertex(g, v, (int) p.getX(), |
| 218 | (int) p.getY()); | |
| 219 | } | |
| 220 | 0 | } |
| 221 | ||
| 222 | /** | |
| 223 | * paint the graph, transforming with the scalex and scaley | |
| 224 | */ | |
| 225 | protected synchronized void paintComponent(Graphics g) { | |
| 226 | ||
| 227 | 0 | super.paintComponent(g); |
| 228 | ||
| 229 | 0 | Graphics2D g2d = (Graphics2D) g; |
| 230 | 0 | g2d.setRenderingHints(renderingHints); |
| 231 | ||
| 232 | 0 | AffineTransform oldXform = g2d.getTransform(); |
| 233 | 0 | AffineTransform newXform = new AffineTransform(oldXform); |
| 234 | 0 | newXform.scale(scalex, scaley); |
| 235 | 0 | g2d.setTransform(newXform); |
| 236 | ||
| 237 | 0 | paintGraph(g); |
| 238 | ||
| 239 | 0 | Color oldColor = g.getColor(); |
| 240 | // the Lens will be cyan | |
| 241 | 0 | g2d.setColor(Color.cyan); |
| 242 | ||
| 243 | // put the old transform back (not scaled) to draw the Lens | |
| 244 | 0 | g2d.setTransform(oldXform); |
| 245 | 0 | if (lens != null) { |
| 246 | 0 | g2d.draw(lens); |
| 247 | } | |
| 248 | // restore old paint after drawing the Lens | |
| 249 | 0 | g.setColor(oldColor); |
| 250 | 0 | } |
| 251 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |