color pake JFileChooser

Wednesday, December 21, 2011

COLOR:


import javax.swing.JFrame;


public class ShowColors2
{
   // execute application
   public static void main( String args[] )
   {
      ShowColors2JFrame application = new ShowColors2JFrame();
      application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
   } // end main
}




FRAME:


// Fig. 12.7: ShowColors2JFrame.java
// Choosing colors with JColorChooser.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JColorChooser;
import javax.swing.JPanel;


public class ShowColors2JFrame extends JFrame
{
   private JButton changeColorJButton;
   private Color color = Color.LIGHT_GRAY;
   private JPanel colorJPanel;


   // set up GUI
   public ShowColors2JFrame()
   {
      super( "Using JColorChooser" );


      // create JPanel for display color
      colorJPanel = new JPanel();
      colorJPanel.setBackground( color );


      // set up changeColorJButton and register its event handler
      changeColorJButton = new JButton( "Change Color" );
      changeColorJButton.addActionListener(


         new ActionListener() // anonymous inner class
         {
            // display JColorChooser when user clicks button
            public void actionPerformed( ActionEvent event )
            {
               color = JColorChooser.showDialog(
                  ShowColors2JFrame.this, "Choose a color", color );


               // set default color, if no color is returned
               if ( color == null )
                  color = Color.LIGHT_GRAY;


               // change content pane's background color
               colorJPanel.setBackground( color );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener
      add( colorJPanel, BorderLayout.CENTER ); // add colorJPanel
      add( changeColorJButton, BorderLayout.SOUTH ); // add button


      setSize( 400, 130 ); // set frame size
      setVisible( true ); // display frame
   } // end ShowColor2JFrame constructor
}

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2 comment(s):

Astian said...

aduaduaduuuuu...apa ini???menyilaukan..hahaha...wis lali..

felisitas said...

asem... ngeceeeeeeee...mentang2 wis tuo.. hahahahahahhaha

 
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