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copied!<p>I solved my recent problem:</p> <pre><code>from javax.swing import JToolBar from javax.swing import JButton from javax.swing import JFrame import time from java import awt from java.awt import BorderLayout class Canvas(awt.Canvas): u"Canvas - drawing area" def __init__(self,winSize = 400): self.play = False self.background=awt.Color.black self.winSize = winSize self.l = 0 self.bi = BufferedImage(winSize, winSize, BufferedImage.TYPE_INT_RGB) self.offScreenGraphics = self.bi.getGraphics() def playSim(self, play): if play == True: self.play = True self.repaint() else: self.play = False def paint(self, g): self.offScreenGraphics.fillRect(50, int(self.winSize/4), self.l, int(self.winSize/2)) if self.l < self.winSize: self.l += 1 else: self.l = 0 g.drawImage(self.bi, 0, 0, None) time.sleep(0.02) if self.play == True: self.repaint() class Example(JFrame): def __init__(self): super(Example, self).__init__() self.initUI() def initUI(self): winSize = 600 toolbar = JToolBar() self.playButton = JButton("Start", actionPerformed=self.playButtonPress ) toolbar.add(self.playButton) self.add(toolbar, BorderLayout.NORTH) self.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) self.setSize(winSize, winSize) self.setResizable(False) self.setLocationRelativeTo(None) self.setVisible(True) self.canvas = Canvas(winSize) self.getContentPane().add(self.canvas) self.setTitle("TEST") self.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) def playButtonPress(self, e): if self.playButton.getLabel() == "Start": self.canvas.playSim(True) self.playButton.setLabel("Stop") else: self.playButton.setLabel("Start") self.canvas.playSim(False) if __name__ == '__main__': Example() </code></pre> <p>Now I've another(rather trivial) problem: How can I make from this <em>python file</em> *the class file* which would be ready to publish it on website as an applet?</p>

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