Using a Colour Chooser in Applets

We used code on this Java page to produce this simple example of a JColorChooser. The first screenshot shows the dialogue and the second shows the tiny applet after choosing the colour. The straightforward code follows the screenshots.

Colour Chooser

Colour Chosen

namespace color_dialog_demo;

interface

uses
  java.util, java.applet.*, java.awt.*, javax.swing;
type
  ColorDialogDemo = public class(Applet, ActionListener)
  private
    btnOption : Button;
  public
    method init; override;
    method actionPerformed(e : ActionEvent);   
  end;

implementation

method ColorDialogDemo.init;
begin
  Background := Color.green.darker;
  btnOption := new Button('Colour Chooser');
  add(btnOption);
  btnOption.addActionListener(self);
end;

method ColorDialogDemo.actionPerformed(e : ActionEvent);
var
  chosenColour : Color; 
begin
  chosenColour := JColorChooser.showDialog(self, 'Choose Background Colour',  Color.white);
  Background := chosenColour;
end;

end.