JButton: getBackground() : JButton « javax.swing « Java by API






JButton: getBackground()

  
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.JColorChooser;
import javax.swing.JFrame;

public class MainClass {
  public static void main(String args[]) {
    JFrame f = new JFrame("JColorChooser Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    final JButton button = new JButton("Pick to Change Background");

    ActionListener actionListener = new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        Color initialBackground = button.getBackground();
        Color background = JColorChooser.showDialog(null,
            "JColorChooser Sample", initialBackground);
        if (background != null) {
          button.setBackground(background);
        }
      }
    };
    button.addActionListener(actionListener);
    f.add(button, BorderLayout.CENTER);
    f.setSize(300, 200);
    f.setVisible(true);
  }

}
           
         
    
  








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18.JButton: getInputMap()
19.JButton: removeActionListener(ActionListener l)
20.JButton: setActionCommand(String text)
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22.JButton: setAlignmentY(float alignmentY)
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25.JButton: setBorderPainted(boolean b)
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30.JButton: setIconTextGap(int iconTextGap)
31.JButton: setMnemonic(KeyEvent.VK_A)
32.JButton: setPressedIcon(Icon pressedIcon)
33.JButton: setRolloverIcon(Icon rolloverIcon)
34.JButton: setRolloverSelectedIcon(Icon rolloverSelectedIcon)
35.JButton: setSelectedIcon(Icon selectedIcon)
36.JButton: setToolTipText(String str)
37.JButton: setVerticalAlignment(int alignment)
38.extends JButton