Re: [Jython-users] Examples of swing programing in Jython.

[Kent J. <ke...@td...>]

Red Crow wrote:
> Hello:
> 
>     I'm interesting about the use swing with jython,
> where I found more about this teme?

It's pretty straightforward if you know Jython and Swing. Here is a simple & complete example. There 
are also a few short examples included in the Jython distribution.

If you don't know Swing, the documentation from Sun is pretty good, look at the Java docs and the 
Swing tutorial.

Kent

''' Simple demo of Jython and Swing '''

from __future__ import nested_scopes

import sys
from java.awt import GridLayout
from javax.swing import JButton, JFrame, JLabel, JPanel

increments = [1, 10, -1, -10]

class TestFrame(JFrame):
     def __init__(self, title, **kwd):
         JFrame.__init__(self, title, **kwd)

         self.contentPane.setLayout(GridLayout(1, 2))

         # Make a button panel with Add buttons for each increment and a Reset button
         buttonPanel = JPanel(GridLayout(0, 1))

         for inc in increments:
             button = JButton('Add ' + str(inc))
             button.actionPerformed = lambda evt, inc=inc: self.bumpBy(inc)
             buttonPanel.add(button)

         resetButton = JButton('Reset', actionPerformed = self.reset)
         buttonPanel.add(resetButton)

         self.contentPane.add(buttonPanel)

         # Make a counter centered in the right side
         self.counter = JLabel('0', JLabel.CENTER)
         self.contentPane.add(self.counter)

     def bumpBy(self, inc):
         ''' Increment the counter by inc '''
         value = self.counter.getText()
         value = int(value) + inc
         self.counter.setText(str(value))


     def reset(self, evt):
         self.counter.setText('0')

if __name__ == '__main__':
     f = TestFrame('Test Window', windowClosing=lambda event: sys.exit(0))
     f.pack()
     f.setVisible(1)