"""A translation of an example from the Java Tutorial
http://java.sun.com/docs/books/tutorial/

This example shows how to use Buttons
"""

from java import awt, applet


class ButtonDemo(applet.Applet):
    def init(self):
        self.b1 = awt.Button('Disable middle button',
                             actionPerformed=self.disable)
        self.b2 = awt.Button('Middle button')
        self.b3 = awt.Button('Enable middle button',
                             enabled=0, actionPerformed=self.enable)

        self.add(self.b1)
        self.add(self.b2)
        self.add(self.b3)

    def enable(self, event):
        self.b1.enabled = self.b2.enabled = 1
        self.b3.enabled = 0

    def disable(self, event):
        self.b1.enabled = self.b2.enabled = 0
        self.b3.enabled = 1


if __name__ == '__main__':
    import pawt
    pawt.test(ButtonDemo())
