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Java > Open Source Codes > org > jfree > chart > ui > PaletteChooserPanel


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * ------------------------
27  * PaletteChooserPanel.java
28  * ------------------------
29  * (C) Copyright 2002-2004, by David M. O'Donnell.
30  *
31  * Original Author: David M. O'Donnell;
32  * Contributor(s): David Gilbert (for Object Refinery Limited);
33  *
34  * $Id: PaletteChooserPanel.java,v 1.2 2005/03/29 12:56:52 mungady Exp $
35  *
36  * Changes
37  * -------
38  * 27-Jan-2003 : Added standard header (DG);
39  *
40  */
41
42 package org.jfree.chart.ui;
43
44 import java.awt.BorderLayout JavaDoc;
45
46 import javax.swing.JComboBox JavaDoc;
47 import javax.swing.JPanel JavaDoc;
48
49 /**
50  * A component for choosing a palette from a list of available palettes.
51  *
52  * @author David M. O'Donnell.
53  */
54 public class PaletteChooserPanel extends JPanel JavaDoc {
55
56     /** A combo for selecting the stroke. */
57     private JComboBox JavaDoc selector;
58
59     /**
60      * Constructor.
61      *
62      * @param current the current palette sample.
63      * @param available an array of 'available' palette samples.
64      */
65     public PaletteChooserPanel(PaletteSample current,
66                                PaletteSample[] available) {
67         setLayout(new BorderLayout JavaDoc());
68         this.selector = new JComboBox JavaDoc(available);
69         this.selector.setSelectedItem(current);
70         this.selector.setRenderer(new PaletteSample(new RainbowPalette()));
71         add(this.selector);
72     }
73
74     /**
75      * Returns the selected palette.
76      *
77      * @return The selected palette.
78      */
79     public ColorPalette getSelectedPalette() {
80         PaletteSample sample = (PaletteSample) this.selector.getSelectedItem();
81         return sample.getPalette();
82     }
83 }
84
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