JColorChooser Java

The class JColorChooser provides a pane of controls designed to allow a user to manipulate and select a color.

Class Declaration

Following is the declaration for javax.swing.JColorChooser class −

public class JColorChooser
   extends JComponent
      implements Accessible

Field

Following are the fields for javax.swing.JLabel class −

• protected AccessibleContext accessibleContext
• static String CHOOSER_PANELS_PROPERTY − The chooserPanel array property name.
• static String PREVIEW_PANEL_PROPERTY − The preview panel property name.
• static String SELECTION_MODEL_PROPERTY − The selection model property name.

Class Constructors

S.No.	Constructor & Description
1	JColorChooser() Creates a color chooser pane with an initial color of white.
2	JColorChooser(Color initialColor) Creates a color chooser pane with the specified initial color.
3	JColorChooser(ColorSelectionModel model) Creates a color chooser pane with the specified ColorSelectionModel.

Class Methods

Sr.No.	Method & Description
1	void addChooserPanel(AbstractColorChooserPanel panel) Adds a color chooser panel to the color chooser.
2	static JDialog createDialog(Component c, String title, boolean modal, JColorChooser chooserPane, ActionListener okListener, ActionListener cancelListener) Creates and returns a new dialog containing the specified ColorChooser pane along with "OK", "Cancel", and "Reset" buttons.
3	AccessibleContext getAccessibleContext() Gets the AccessibleContext associated with this JColorChooser.
4	AbstractColorChooserPanel[] getChooserPanels() Returns the specified color panels.
5	Color getColor() Gets the current color value from the color chooser.
6	boolean getDragEnabled() Gets the value of the dragEnabled property.
7	JComponent getPreviewPanel() Returns the preview panel that shows a chosen color.
8	ColorSelectionModel getSelectionModel() Returns the data model that handles color selections.
9	ColorChooserUI getUI() Returns the L&F object that renders this component.
10	String getUIClassID() Returns the name of the L&F class that renders this component.
11	protected String paramString() Returns a string representation of this JColorChooser.
12	AbstractColorChooserPanel removeChooserPanel(AbstractColorChooserPanel panel) Removes the Color Panel specified.
13	void setChooserPanels(AbstractColorChooserPanel[] panels) Specifies the Color Panels used to choose a color value.
14	void setColor(Color color) Sets the current color of the color chooser to the specified color.
15	void setColor(int c) Sets the current color of the color chooser to the specified color.
16	void setColor(int r, int g, int b) Sets the current color of the color chooser to the specified RGB color.
17	void setDragEnabled(boolean b) Sets the dragEnabled property, which must be true to enable automatic drag handling (the first part of drag and drop) on this component.
18	void setPreviewPanel(JComponent preview) Sets the current preview panel.
19	void setSelectionModel(ColorSelectionModel newModel) Sets the model containing the selected color.
20	void setUI(ColorChooserUI ui) Sets the L&F object that renders this component.
21	static Color showDialog(Component component, String title, Color initialColor) Shows a modal color-chooser dialog and blocks until the dialog is hidden.
22	void updateUI() Notification from the UIManager that the L&F has changed.

Methods Inherited

This class inherits methods from the following classes −

• javax.swing.JComponent
• java.awt.Container
• java.awt.Component
• java.lang.Object

JColorChooser Example

Create the following Java program using any editor of your choice in say D:/ > SWING > com > sjavaspot > gui >

JColorDemo.java

package com.sjavaspot.gui;
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
 
public class JColorDemo {
   private JFrame mainFrame;
   private JLabel headerLabel;
   private JLabel statusLabel;
   private JPanel controlPanel;

   public SwingControlDemo(){
      prepareGUI();
   }
   public static void main(String[] args){
      JColorDemo  jColorDemo = new JColorDemo();      
      jColorDemo.showColorChooserDemo();
   }
   private void prepareGUI(){
      mainFrame = new JFrame("Java Swing Examples");
      mainFrame.setSize(400,400);
      mainFrame.setLayout(new GridLayout(3, 1));
      
      mainFrame.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent windowEvent){
            System.exit(0);
         }        
      });    
      headerLabel = new JLabel("", JLabel.CENTER);        
      statusLabel = new JLabel("",JLabel.CENTER);    
      statusLabel.setSize(350,100);

      controlPanel = new JPanel();
      controlPanel.setLayout(new FlowLayout());

      mainFrame.add(headerLabel);
      mainFrame.add(controlPanel);
      mainFrame.add(statusLabel);
      mainFrame.setVisible(true);  
   }
   private void showColorChooserDemo(){
      headerLabel.setText("Control in action: JColorChooser"); 
      JButton chooseButton = new JButton("Choose Background");        
      
      chooseButton.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            Color backgroundColor = JColorChooser.showDialog(mainFrame,
               "Choose background color", Color.white);
            if(backgroundColor != null){
               controlPanel.setBackground(backgroundColor);
               mainFrame.getContentPane().setBackground(backgroundColor);
            }
         }
      });
      controlPanel.add(chooseButton);
      mainFrame.setVisible(true);  
   }
}

Compile the program using the command prompt. Go to D:/ > SWING and type the following command.

D:\SWING>javac com\sjavaspot\gui\JColorDemo.java

If no error occurs, it means the compilation is successful. Run the program using the following command.

D:\SWING>java com.sjavaspot.gui.JColorDemo

Verify the following output.

OTHER JCOLORCHOOSER CODES AND OUTPUT 

1. import java.awt.event.*;    
2. import java.awt.*;    
3. import javax.swing.*;     
4. public class ColorChooserExample extends JFrame implements ActionListener {    
5. JButton b;    
6. Container c;    
7. ColorChooserExample(){    
8.     c=getContentPane();    
9.     c.setLayout(new FlowLayout());         
10.     b=new JButton("color");    
11.     b.addActionListener(this);         
12.     c.add(b);    
13. }    
14. public void actionPerformed(ActionEvent e) {    
15. Color initialcolor=Color.RED;    
16. Color color=JColorChooser.showDialog(this,"Select a color",initialcolor);    
17. c.setBackground(color);    
18. }    
19.     
20. public static void main(String[] args) {    
21.     ColorChooserExample ch=new ColorChooserExample();    
22.     ch.setSize(400,400);    
23.     ch.setVisible(true);    
24.     ch.setDefaultCloseOperation(EXIT_ON_CLOSE);    
25. }    
26. }    

Output:

---

Java JColorChooser Example with ActionListener

1. import javax.swing.*;  
2. import java.awt.*;  
3. import java.awt.event.*;  
4. public class ColorChooserExample extends JFrame implements ActionListener{  
5. JFrame f;  
6. JButton b;  
7. JTextArea ta;  
8. ColorChooserExample(){  
9.     f=new JFrame("Color Chooser Example.");  
10.     b=new JButton("Pad Color");  
11.     b.setBounds(200,250,100,30);  
12.     ta=new JTextArea();  
13.     ta.setBounds(10,10,300,200);  
14.     b.addActionListener(this);  
15.     f.add(b);f.add(ta);  
16.     f.setLayout(null);  
17.     f.setSize(400,400);  
18.     f.setVisible(true);  
19. }  
20. public void actionPerformed(ActionEvent e){  
21.     Color c=JColorChooser.showDialog(this,"Choose",Color.CYAN);  
22.     ta.setBackground(c);  
23. }  
24. public static void main(String[] args) {  
25.     new ColorChooserExample();  
26. }  
27. }     

Output: