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Java > Open Source Codes > org > jfree > chart > editor > 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
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * ------------------------
28  * PaletteChooserPanel.java
29  * ------------------------
30  * (C) Copyright 2002-2004, by David M. O'Donnell.
31  *
32  * Original Author: David M. O'Donnell;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: PaletteChooserPanel.java,v 1.1.2.1 2005/11/24 16:11:48 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 27-Jan-2003 : Added standard header (DG);
40  *
41  */
42
43 package org.jfree.chart.editor;
44
45 import java.awt.BorderLayout JavaDoc;
46
47 import javax.swing.JComboBox JavaDoc;
48 import javax.swing.JPanel JavaDoc;
49
50 import org.jfree.chart.plot.ColorPalette;
51 import org.jfree.chart.plot.RainbowPalette;
52
53 /**
54  * A component for choosing a palette from a list of available palettes.
55  *
56  * @author David M. O'Donnell.
57  */
58 class PaletteChooserPanel extends JPanel JavaDoc {
59
60     /** A combo for selecting the stroke. */
61     private JComboBox JavaDoc selector;
62
63     /**
64      * Constructor.
65      *
66      * @param current the current palette sample.
67      * @param available an array of 'available' palette samples.
68      */
69     public PaletteChooserPanel(PaletteSample current,
70                                PaletteSample[] available) {
71         setLayout(new BorderLayout JavaDoc());
72         this.selector = new JComboBox JavaDoc(available);
73         this.selector.setSelectedItem(current);
74         this.selector.setRenderer(new PaletteSample(new RainbowPalette()));
75         add(this.selector);
76     }
77
78     /**
79      * Returns the selected palette.
80      *
81      * @return The selected palette.
82      */
83     public ColorPalette getSelectedPalette() {
84         PaletteSample sample = (PaletteSample) this.selector.getSelectedItem();
85         return sample.getPalette();
86     }
87 }
88
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