Demo.applet.deprecated.ListDemo.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""A rough translation of an example from the Java Tutorial
http://java.sun.com/docs/books/tutorial/
This example shows how to use List
"""
from java import applet, awt
from java.awt.event import ItemEvent
from pawt import GridBag
class ListDemo(applet.Applet):
def fillList(self, list, names):
list.actionPerformed=self.action
list.itemStateChanged=self.change
for name in names:
list.add(name)
def init(self):
self.spanish = awt.List(4, 1)
self.fillList(self.spanish, ['uno', 'dos', 'tres', 'cuatro',
'cinco', 'seis', 'siete'])
self.italian = awt.List()
self.fillList(self.italian, ['uno', 'due', 'tre', 'quattro',
'cinque', 'sei', 'sette'])
self.output = awt.TextArea(10, 40, editable=0)
bag = GridBag(self)
bag.add(self.output,
fill='BOTH', weightx=1.0, weighty=1.0,
gridheight=2)
bag.addRow(self.spanish, fill='VERTICAL')
bag.addRow(self.italian, fill='VERTICAL')
self.language = {self.spanish:'Spanish', self.italian:'Italian'}
def action(self, e):
list = e.source
text = 'Action event occurred on "%s" in %s.\n'
self.output.append(text % (list.selectedItem, self.language[list]))
def change(self, e):
list = e.source
if e.stateChange == ItemEvent.SELECTED:
select = 'Select'
else:
select = 'Deselect'
text = '%s event occurred on item #%d (%s) in %s.\n'
params = (select, e.item, list.getItem(e.item), self.language[list])
self.output.append(text % params)
if __name__ == '__main__':
import pawt
pawt.test(ListDemo())