import javax

### For fun I made all the listener method implementations external  
### THIS LISTENER WORKS 
def internalFrameActived( e):     print "Listener Event: Frame Activated"
def internalFrameDeactivated(e):  print "Listener Event: Frame Deactivated"
def internalFrameIconified(e):    print "Listener Event:Frame Iconified"
def internalFrameDeiconified(e):  print "Listener Event:Frame Deiconified"
def internalFrameOpened(e):       print "Listener Event: Frame Opened"
def internalFrameClosing(e):      print "Listener Event: Frame Closing"
def internalFrameClosed(e):       print "Listener Event: Frame Closed"
class MyInternalFrameListener(javax.swing.event.InternalFrameListener):
    def __init__(self):
        self.internalFrameActived = internalFrameActived
        self.internalFrameDeactivated = internalFrameDeactivated
        self.internalFrameIconified = internalFrameIconified
        self.internalFrameDeiconified = internalFrameDeiconified
        self.internalFrameOpened = internalFrameOpened
        self.internalFrameClosing = internalFrameClosing
        self.internalFrameClosed = internalFrameClosed
   

### For fun I made an adapter method implementation external  
### THIS ADAPTER LISTENER DOES NOT WORK
def xinternalFrameClosing(e):       print "External Adapter Event: Frame Closing"
class MyInternalFrameAdapterExternalMethods(javax.swing.event.InternalFrameAdapter):
    def __init__(self):
        self.internalFrameClosing = xinternalFrameClosing
                

### I implemented the method within the class
### THIS ADAPTER LISTENER WORKS
class MyInternalFrameAdapter(javax.swing.event.InternalFrameAdapter):
    def __init__(self):
        pass
    def internalFrameClosing(self, e):      print "Adapter Event: Frame Closing"
    

#############################################################
jframe = javax.swing.JFrame( "****  JFrame  **** " )
jframe.setSize(1100,900)


desktop = javax.swing.JDesktopPane()
desktop.setDragMode(javax.swing.JDesktopPane.OUTLINE_DRAG_MODE);
jframe.getContentPane().add( javax.swing.JScrollPane(desktop) )

internalFrame = javax.swing.JInternalFrame("***  JInternalFrame :  using InternalFrameAdapter ****",True,True,True,True)
internalFrame.addInternalFrameListener( MyInternalFrameAdapter() )
desktop.add( internalFrame )
internalFrame.setBounds(100, 100, 400, 400)
internalFrame.setVisible( True )

internalFrame = javax.swing.JInternalFrame("***  JInternalFrame :  using InternalFrameListener ****",True,True,True,True)
internalFrame.addInternalFrameListener( MyInternalFrameListener() )
desktop.add( internalFrame )
internalFrame.setBounds(600, 600, 400, 400)
internalFrame.setVisible(True)

internalFrame = javax.swing.JInternalFrame("***  JInternalFrame :  using InternalFrameAdapterExternalMethods ****",True,True,True,True)
internalFrame.addInternalFrameListener( MyInternalFrameAdapterExternalMethods() )
desktop.add( internalFrame )
internalFrame.setBounds(0, 0, 300, 300)
internalFrame.setVisible(True)

jframe.show()