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1 | /* | |
2 | * Created on Mar 10, 2005 | |
3 | * | |
4 | * Copyright (c) 2005, the JUNG Project and the Regents of the University | |
5 | * of California | |
6 | * All rights reserved. | |
7 | * | |
8 | * This software is open-source under the BSD license; see either | |
9 | * "license.txt" or | |
10 | * http://jung.sourceforge.net/license.txt for a description. | |
11 | */ | |
12 | package edu.uci.ics.jung.graph.decorators; | |
13 | ||
14 | import java.awt.Paint; | |
15 | ||
16 | import edu.uci.ics.jung.graph.Edge; | |
17 | import edu.uci.ics.jung.visualization.PickedInfo; | |
18 | ||
19 | /** | |
20 | * Paints each edge according to the <code>Paint</code> | |
21 | * parameters given in the constructor, so that picked and | |
22 | * non-picked edges can be made to look different. | |
23 | * | |
24 | * @author Tom Nelson - RABA Technologies | |
25 | * @author Joshua O'Madadhain | |
26 | * | |
27 | */ | |
28 | public class PickableEdgePaintFunction extends AbstractEdgePaintFunction | |
29 | { | |
30 | protected PickedInfo pi; | |
31 | protected Paint draw_paint; | |
32 | protected Paint picked_paint; | |
33 | ||
34 | /** | |
35 | * | |
36 | * @param pi specifies which vertices report as "picked" | |
37 | * @param draw_paint <code>Paint</code> used to draw edge shapes | |
38 | * @param picked_paint <code>Paint</code> used to draw picked edge shapes | |
39 | */ | |
40 | 0 | public PickableEdgePaintFunction(PickedInfo pi, Paint draw_paint, Paint picked_paint) { |
41 | 0 | if (pi == null) |
42 | 0 | throw new IllegalArgumentException("PickedInfo instance must be non-null"); |
43 | 0 | this.pi = pi; |
44 | 0 | this.draw_paint = draw_paint; |
45 | 0 | this.picked_paint = picked_paint; |
46 | 0 | } |
47 | ||
48 | /** | |
49 | * @see edu.uci.ics.jung.graph.decorators.EdgePaintFunction#getDrawPaint(edu.uci.ics.jung.graph.Edge) | |
50 | */ | |
51 | public Paint getDrawPaint(Edge e) { | |
52 | 0 | if (pi.isPicked(e)) { |
53 | 0 | return picked_paint; |
54 | } | |
55 | else { | |
56 | 0 | return draw_paint; |
57 | } | |
58 | } | |
59 | } |
this report was generated by version 1.0.5 of jcoverage. |
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