| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2005, 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 | * Created on Jul 21, 2005 | |
| 9 | */ | |
| 10 | ||
| 11 | package edu.uci.ics.jung.visualization.transform; | |
| 12 | ||
| 13 | import java.awt.Dimension; | |
| 14 | ||
| 15 | import edu.uci.ics.jung.visualization.VisualizationViewer; | |
| 16 | import edu.uci.ics.jung.visualization.control.ModalGraphMouse; | |
| 17 | import edu.uci.ics.jung.visualization.control.ModalLensGraphMouse; | |
| 18 | /** | |
| 19 | * A class to make it easy to add an | |
| 20 | * examining lens to a jung graph application. See HyperbolicTransformerDemo | |
| 21 | * for an example of how to use it. | |
| 22 | * | |
| 23 | * @author Tom Nelson - RABA Technologies | |
| 24 | * | |
| 25 | * | |
| 26 | */ | |
| 27 | public class LayoutLensSupport extends AbstractLensSupport | |
| 28 | implements LensSupport { | |
| 29 | ||
| 30 | public LayoutLensSupport(VisualizationViewer vv) { | |
| 31 | 0 | this(vv, new HyperbolicTransformer(vv, vv.getLayoutTransformer()), |
| 32 | new ModalLensGraphMouse()); | |
| 33 | 0 | } |
| 34 | /** | |
| 35 | * create the base class, setting common members and creating | |
| 36 | * a custom GraphMouse | |
| 37 | * @param vv the VisualizationViewer to work on | |
| 38 | */ | |
| 39 | public LayoutLensSupport(VisualizationViewer vv, LensTransformer lensTransformer, | |
| 40 | ModalGraphMouse lensGraphMouse) { | |
| 41 | 0 | super(vv, lensGraphMouse); |
| 42 | 0 | this.lensTransformer = lensTransformer; |
| 43 | ||
| 44 | 0 | Dimension d = vv.getSize(); |
| 45 | 0 | if(d.width <= 0 || d.height <= 0) { |
| 46 | 0 | d = vv.getPreferredSize(); |
| 47 | } | |
| 48 | 0 | lensTransformer.setViewRadius(d.width/5); |
| 49 | 0 | } |
| 50 | ||
| 51 | public void activate() { | |
| 52 | 0 | if(lens == null) { |
| 53 | 0 | lens = new Lens(lensTransformer); |
| 54 | } | |
| 55 | 0 | if(lensControls == null) { |
| 56 | 0 | lensControls = new LensControls(lensTransformer); |
| 57 | } | |
| 58 | 0 | vv.setLayoutTransformer(lensTransformer); |
| 59 | 0 | vv.setViewTransformer(new MutableAffineTransformer()); |
| 60 | 0 | vv.addPreRenderPaintable(lens); |
| 61 | 0 | vv.addPostRenderPaintable(lensControls); |
| 62 | 0 | vv.setGraphMouse(lensGraphMouse); |
| 63 | 0 | vv.setToolTipText(instructions); |
| 64 | 0 | vv.repaint(); |
| 65 | 0 | } |
| 66 | ||
| 67 | public void deactivate() { | |
| 68 | 0 | if(savedViewTransformer != null) { |
| 69 | 0 | vv.setViewTransformer(savedViewTransformer); |
| 70 | } | |
| 71 | 0 | if(lensTransformer != null) { |
| 72 | 0 | vv.removePreRenderPaintable(lens); |
| 73 | 0 | vv.removePostRenderPaintable(lensControls); |
| 74 | 0 | vv.setLayoutTransformer(lensTransformer.getDelegate()); |
| 75 | } | |
| 76 | 0 | vv.setToolTipText(defaultToolTipText); |
| 77 | 0 | vv.setGraphMouse(graphMouse); |
| 78 | 0 | vv.repaint(); |
| 79 | 0 | } |
| 80 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |