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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 | package edu.uci.ics.jung.visualization.transform.shape; | |
10 | ||
11 | import java.awt.Dimension; | |
12 | ||
13 | import edu.uci.ics.jung.visualization.PluggableRenderer; | |
14 | import edu.uci.ics.jung.visualization.Renderer; | |
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 | import edu.uci.ics.jung.visualization.transform.AbstractLensSupport; | |
19 | import edu.uci.ics.jung.visualization.transform.LensSupport; | |
20 | import edu.uci.ics.jung.visualization.transform.LensTransformer; | |
21 | ||
22 | /** | |
23 | * Uses a LensTransformer to use in the view | |
24 | * transform. This one will distort Vertex shapes. | |
25 | * | |
26 | * @author Tom Nelson - RABA Technologies | |
27 | * | |
28 | * | |
29 | */ | |
30 | public class ViewLensSupport extends AbstractLensSupport | |
31 | implements LensSupport { | |
32 | ||
33 | protected PluggableRenderer pluggableRenderer; | |
34 | protected TransformingPluggableRenderer transformingPluggableRenderer; | |
35 | protected Renderer renderer; | |
36 | ||
37 | public ViewLensSupport(VisualizationViewer vv) { | |
38 | 0 | this(vv, new HyperbolicShapeTransformer(vv), |
39 | new ModalLensGraphMouse()); | |
40 | 0 | } |
41 | public ViewLensSupport(VisualizationViewer vv, LensTransformer lensTransformer, | |
42 | ModalGraphMouse lensGraphMouse) { | |
43 | 0 | super(vv, lensGraphMouse); |
44 | 0 | this.renderer = vv.getRenderer(); |
45 | 0 | this.lensTransformer = lensTransformer; |
46 | 0 | Dimension d = vv.getSize(); |
47 | 0 | if(d.width == 0 || d.height == 0) { |
48 | 0 | d = vv.getPreferredSize(); |
49 | } | |
50 | 0 | lensTransformer.setViewRadius(d.width/5); |
51 | ||
52 | 0 | if(renderer instanceof PluggableRenderer) { |
53 | 0 | this.pluggableRenderer = (PluggableRenderer)renderer; |
54 | } else { | |
55 | 0 | this.pluggableRenderer = new PluggableRenderer(); |
56 | } | |
57 | 0 | } |
58 | public void activate() { | |
59 | 0 | if(lens == null) { |
60 | 0 | lens = new Lens(lensTransformer); |
61 | } | |
62 | 0 | if(lensControls == null) { |
63 | 0 | lensControls = new LensControls(lensTransformer); |
64 | } | |
65 | 0 | vv.setViewTransformer(lensTransformer); |
66 | 0 | if(transformingPluggableRenderer == null) { |
67 | 0 | transformingPluggableRenderer = |
68 | new TransformingPluggableRenderer(pluggableRenderer); | |
69 | } | |
70 | 0 | transformingPluggableRenderer.setTransformer(lensTransformer); |
71 | 0 | vv.setRenderer(transformingPluggableRenderer); |
72 | 0 | vv.addPreRenderPaintable(lens); |
73 | 0 | vv.addPostRenderPaintable(lensControls); |
74 | 0 | vv.setGraphMouse(lensGraphMouse); |
75 | 0 | vv.setToolTipText(instructions); |
76 | 0 | vv.repaint(); |
77 | 0 | } |
78 | ||
79 | public void deactivate() { | |
80 | 0 | vv.setViewTransformer(savedViewTransformer); |
81 | 0 | vv.removePreRenderPaintable(lens); |
82 | 0 | vv.removePostRenderPaintable(lensControls); |
83 | 0 | vv.setRenderer(renderer); |
84 | 0 | vv.setToolTipText(defaultToolTipText); |
85 | 0 | vv.setGraphMouse(graphMouse); |
86 | 0 | vv.repaint(); |
87 | 0 | } |
88 | } |
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |