Line | Hits | Source |
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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 Aug 15, 2005 | |
9 | */ | |
10 | ||
11 | package edu.uci.ics.jung.visualization.control; | |
12 | ||
13 | import java.awt.Cursor; | |
14 | import java.awt.event.MouseEvent; | |
15 | import java.awt.geom.Point2D; | |
16 | ||
17 | import edu.uci.ics.jung.visualization.VisualizationViewer; | |
18 | import edu.uci.ics.jung.visualization.transform.MutableTransformer; | |
19 | ||
20 | /** | |
21 | * Overrides TranslatingGraphMousePlugin so that mouse events in | |
22 | * the satellite view cause translating of the main view | |
23 | * | |
24 | * @see TranslatingGraphMousePlugin | |
25 | * @author Tom Nelson - RABA Technologies | |
26 | * | |
27 | */ | |
28 | public class SatelliteTranslatingGraphMousePlugin extends | |
29 | TranslatingGraphMousePlugin { | |
30 | ||
31 | public SatelliteTranslatingGraphMousePlugin() { | |
32 | 0 | super(); |
33 | 0 | } |
34 | ||
35 | public SatelliteTranslatingGraphMousePlugin(int modifiers) { | |
36 | 0 | super(modifiers); |
37 | 0 | } |
38 | ||
39 | /** | |
40 | * chack the modifiers. If accepted, translate the main view according | |
41 | * to the dragging of the mouse pointer in the satellite view | |
42 | * @param e the event | |
43 | */ | |
44 | public void mouseDragged(MouseEvent e) { | |
45 | 0 | VisualizationViewer vv = (VisualizationViewer)e.getSource(); |
46 | 0 | boolean accepted = checkModifiers(e); |
47 | 0 | if(accepted) { |
48 | 0 | if(vv instanceof SatelliteVisualizationViewer) { |
49 | 0 | VisualizationViewer vvMaster = |
50 | ((SatelliteVisualizationViewer)vv).getMaster(); | |
51 | ||
52 | 0 | MutableTransformer modelTransformerMaster = vvMaster.getLayoutTransformer(); |
53 | 0 | vv.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)); |
54 | try { | |
55 | 0 | Point2D q = vv.inverseTransform(down); |
56 | 0 | Point2D p = vv.inverseTransform(e.getPoint()); |
57 | 0 | float dx = (float) (p.getX()-q.getX()); |
58 | 0 | float dy = (float) (p.getY()-q.getY()); |
59 | ||
60 | 0 | modelTransformerMaster.translate(-dx, -dy); |
61 | 0 | down.x = e.getX(); |
62 | 0 | down.y = e.getY(); |
63 | 0 | } catch(RuntimeException ex) { |
64 | 0 | System.err.println("down = "+down+", e = "+e); |
65 | 0 | throw ex; |
66 | 0 | } |
67 | } | |
68 | 0 | e.consume(); |
69 | } | |
70 | 0 | } |
71 | ||
72 | ||
73 | } |
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