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"""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())
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