ColorPicker


1   /*
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3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
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9    * When distributing Covered Code, include this CDDL Header Notice in each file
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11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package examples.colorpicker;
21  
22  /** This class is an entry point of the color picker sample application.
23   * It creates and shows the main application frame.
24   */
25  public class ColorPicker extends javax.swing.JFrame   {
26  
27      /** Color Picker constructor.
28       * It initializes all GUI components.
29       */
30      public ColorPicker() {
31          initComponents();
32          pack();
33      }
34  
35      /** This method is called from within the constructor to
36       * initialize the form.
37       * WARNING: Do NOT modify this code. The content of this method is
38       * always regenerated by the FormEditor.
39       */
40      private void initComponents() {//GEN-BEGIN:initComponents
41          sliderPanel = new javax.swing.JPanel  ();
42          redSlider = new javax.swing.JSlider  ();
43          greenSlider = new javax.swing.JSlider  ();
44          blueSlider = new javax.swing.JSlider  ();
45          colorPreviewPanel = new javax.swing.JPanel  ();
46          colorPreview1 = new examples.colorpicker.ColorPreview();
47  
48          addWindowListener(new java.awt.event.WindowAdapter  () {
49              public void windowClosing(java.awt.event.WindowEvent   evt) {
50                  exitForm(evt);
51              }
52          });
53  
54          sliderPanel.setLayout(new javax.swing.BoxLayout  (sliderPanel, javax.swing.BoxLayout.Y_AXIS));
55  
56          redSlider.setMaximum(255);
57          redSlider.setBorder(new javax.swing.border.TitledBorder  (new javax.swing.border.EtchedBorder  (null, new java.awt.Color  (134, 134, 134)), "Red"));
58          redSlider.addChangeListener(new javax.swing.event.ChangeListener  () {
59              public void stateChanged(javax.swing.event.ChangeEvent   evt) {
60                  redSliderStateChanged(evt);
61              }
62          });
63  
64          sliderPanel.add(redSlider);
65          redSlider.getAccessibleContext().setAccessibleName("Red Slider");
66          redSlider.getAccessibleContext().setAccessibleDescription("Red slider.");
67  
68          greenSlider.setMaximum(255);
69          greenSlider.setBorder(new javax.swing.border.TitledBorder  (new javax.swing.border.EtchedBorder  (null, new java.awt.Color  (134, 134, 134)), "Green"));
70          greenSlider.addChangeListener(new javax.swing.event.ChangeListener  () {
71              public void stateChanged(javax.swing.event.ChangeEvent   evt) {
72                  greenSliderStateChanged(evt);
73              }
74          });
75  
76          sliderPanel.add(greenSlider);
77          greenSlider.getAccessibleContext().setAccessibleName("Green Slider");
78          greenSlider.getAccessibleContext().setAccessibleDescription("Green slider.");
79  
80          blueSlider.setMaximum(255);
81          blueSlider.setBorder(new javax.swing.border.TitledBorder  (new javax.swing.border.EtchedBorder  (null, new java.awt.Color  (134, 134, 134)), "Blue"));
82          blueSlider.addChangeListener(new javax.swing.event.ChangeListener  () {
83              public void stateChanged(javax.swing.event.ChangeEvent   evt) {
84                  blueSliderStateChanged(evt);
85              }
86          });
87  
88          sliderPanel.add(blueSlider);
89          blueSlider.getAccessibleContext().setAccessibleName("Blue Slider");
90          blueSlider.getAccessibleContext().setAccessibleDescription("Blue slider.");
91  
92          getContentPane().add(sliderPanel, java.awt.BorderLayout.NORTH);
93  
94          colorPreviewPanel.setLayout(new java.awt.BorderLayout  ());
95  
96          colorPreviewPanel.setBorder(new javax.swing.border.TitledBorder  (new javax.swing.border.EtchedBorder  (null, new java.awt.Color  (134, 134, 134)), "Color Preview"));
97          colorPreviewPanel.add(colorPreview1, java.awt.BorderLayout.CENTER);
98          colorPreview1.getAccessibleContext().setAccessibleName("Color Preview Component");
99          colorPreview1.getAccessibleContext().setAccessibleDescription("Color preview component.");
100 
101         getContentPane().add(colorPreviewPanel, java.awt.BorderLayout.CENTER);
102         colorPreviewPanel.getAccessibleContext().setAccessibleName("Color Preview Panel");
103         colorPreviewPanel.getAccessibleContext().setAccessibleDescription("Color preview panel.");
104 
105     }//GEN-END:initComponents
106 
107     /** This method is called when blue slider position is changed.
108      * It sets the current blue color value.
109      * @param evt ChangeEvent instance passed from stateChanged event.
110      */
111     private void blueSliderStateChanged(javax.swing.event.ChangeEvent   evt) {//GEN-FIRST:event_blueSliderStateChanged
112         colorPreview1.setBlue(blueSlider.getValue());
113     }//GEN-LAST:event_blueSliderStateChanged
114 
115     /** This method is called when green slider position is changed.
116      * It sets the current green color value.
117      * @param evt ChangeEvent instance passed from stateChanged event.
118      */
119     private void greenSliderStateChanged(javax.swing.event.ChangeEvent   evt) {//GEN-FIRST:event_greenSliderStateChanged
120         colorPreview1.setGreen(greenSlider.getValue());
121     }//GEN-LAST:event_greenSliderStateChanged
122 
123     /** This method is called when red slider position is changed.
124      * It sets the current red color value.
125      * @param evt ChangeEvent instance passed from stateChanged event.
126      */
127     private void redSliderStateChanged(javax.swing.event.ChangeEvent   evt) {//GEN-FIRST:event_redSliderStateChanged
128         colorPreview1.setRed(redSlider.getValue());
129     }//GEN-LAST:event_redSliderStateChanged
130 
131     /** This method is called when the application frame is closed.
132      * @param evt WindowEvent instance passed from windowClosing event.
133      */
134     private void exitForm(java.awt.event.WindowEvent   evt) {//GEN-FIRST:event_exitForm
135         System.exit(0);
136     }//GEN-LAST:event_exitForm
137 
138 
139     // Variables declaration - do not modify//GEN-BEGIN:variables
140     private javax.swing.JSlider   blueSlider;
141     private examples.colorpicker.ColorPreview colorPreview1;
142     private javax.swing.JPanel   colorPreviewPanel;
143     private javax.swing.JSlider   greenSlider;
144     private javax.swing.JSlider   redSlider;
145     private javax.swing.JPanel   sliderPanel;
146     // End of variables declaration//GEN-END:variables
147 
148 
149     /** Starts the application.
150      * @param args Application arguments.
151      */    
152     public static void main(java.lang.String  [] args) {
153         new ColorPicker().show();
154     }
155 
156 }
157
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