001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package examples.colorpicker;
043:
044: /** ColorPreview class is a visual component that sets its background color according to
045: * given red, green and blue values.
046: */
047: public class ColorPreview extends javax.swing.JPanel {
048:
049: private int red;
050: private java.beans.PropertyChangeSupport propertyChangeSupport;
051: private int green;
052: private int blue;
053:
054: /** ColorPreview constructor.
055: */
056: public ColorPreview() {
057: propertyChangeSupport = new java.beans.PropertyChangeSupport(
058: this );
059: }
060:
061: /** Adds new property change listener to be registered with this bean.
062: * @param l PropertyChangeListener to be registered with this bean.
063: */
064: public void addPropertyChangeListener(
065: java.beans.PropertyChangeListener l) {
066: propertyChangeSupport.addPropertyChangeListener(l);
067: }
068:
069: /** Removes previously added property added listener.
070: * @param l PropertyChangeListener to be unregistered from this bean.
071: */
072: public void removePropertyChangeListener(
073: java.beans.PropertyChangeListener l) {
074: propertyChangeSupport.removePropertyChangeListener(l);
075: }
076:
077: /** Red value getter.
078: * @return Red value of this bean.
079: */
080: public int getRed() {
081: return red;
082: }
083:
084: /** Red value setter.
085: * @param red Red value of this bean.
086: */
087: public void setRed(int red) {
088: int oldRed = this .red;
089: this .red = red;
090: propertyChangeSupport.firePropertyChange("red", new Integer(
091: oldRed), new Integer(red));
092: setBackground(new java.awt.Color(red, green, blue));
093: repaint();
094: }
095:
096: /** Green value getter.
097: * @return Green value of this bean.
098: */
099: public int getGreen() {
100: return green;
101: }
102:
103: /** Green value setter.
104: * @param green Green value of this bean.
105: */
106: public void setGreen(int green) {
107: int oldGreen = this .green;
108: this .green = green;
109: propertyChangeSupport.firePropertyChange("green", new Integer(
110: oldGreen), new Integer(green));
111: setBackground(new java.awt.Color(red, green, blue));
112: repaint();
113: }
114:
115: /** Blue value getter.
116: * @return Blue value of this bean.
117: */
118: public int getBlue() {
119: return blue;
120: }
121:
122: /** Blue value setter.
123: * @param blue Blue value of this bean.
124: */
125: public void setBlue(int blue) {
126: int oldBlue = this .blue;
127: this .blue = blue;
128: propertyChangeSupport.firePropertyChange("blue", new Integer(
129: oldBlue), new Integer(blue));
130: setBackground(new java.awt.Color(red, green, blue));
131: repaint();
132: }
133: }
|