| Line | Hits | Source |
|---|---|---|
| 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 javax.swing.Icon; | |
| 15 | ||
| 16 | import edu.uci.ics.jung.graph.ArchetypeVertex; | |
| 17 | import edu.uci.ics.jung.visualization.PickedInfo; | |
| 18 | ||
| 19 | /** | |
| 20 | * Supplies an Icon for each vertex according to the <code>Icon</code> | |
| 21 | * parameters given in the constructor, so that picked and | |
| 22 | * non-picked vertices can be made to look different. | |
| 23 | */ | |
| 24 | public class PickableVertexIconFunction implements VertexIconFunction { | |
| 25 | ||
| 26 | protected Icon icon; | |
| 27 | protected Icon picked_icon; | |
| 28 | protected PickedInfo pi; | |
| 29 | ||
| 30 | /** | |
| 31 | * | |
| 32 | * @param pi specifies which vertices report as "picked" | |
| 33 | * @param icon <code>Icon</code> used to represent vertices | |
| 34 | * @param picked_icon <code>Icon</code> used to represent picked vertices | |
| 35 | */ | |
| 36 | public PickableVertexIconFunction(PickedInfo pi, Icon icon, Icon picked_icon) | |
| 37 | 0 | { |
| 38 | 0 | if (pi == null) |
| 39 | 0 | throw new IllegalArgumentException("PickedInfo instance must be non-null"); |
| 40 | 0 | this.pi = pi; |
| 41 | 0 | this.icon = icon; |
| 42 | 0 | this.picked_icon = picked_icon; |
| 43 | 0 | } |
| 44 | ||
| 45 | /** | |
| 46 | * Returns the appropriate <code>Icon</code>, depending on picked state. | |
| 47 | */ | |
| 48 | public Icon getIcon(ArchetypeVertex v) { | |
| 49 | 0 | if (pi.isPicked(v)) |
| 50 | 0 | return picked_icon; |
| 51 | else | |
| 52 | 0 | return icon; |
| 53 | } | |
| 54 | } |
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