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#!/usr/bin/env jython
# .+
# .context : Application View Controller
# .title : table widget display capabilities (Swing),
# GUI programmatically generated
# .kind : python source
# .author : Fabrizio Pollastri
# .site : Torino - Italy
# .creation : 29-Oct-2009
# .copyright : (c) 2009 Fabrizio Pollastri.
# .license : GNU General Public License (see below)
#
# This file is part of "AVC, Application View Controller".
#
# AVC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# AVC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# .-
from javax import swing # swing toolkit bindings
from java import awt # awt toolkit bindings
from avc import * # AVC for Swing
import copy # object cloning support
UPDATE_PERIOD = 2000 # ms
class Example(AVC):
"""
Showcase of display capabilities for the table widget
"""
def __init__(self):
# create GUI
root = swing.JFrame('AVC Swing table example',size=(500,120),
defaultCloseOperation = swing.JFrame.EXIT_ON_CLOSE)
root.layout = awt.FlowLayout()
root.add(swing.JLabel(name='list__label',))
table = swing.JTable(name='list__table')
scrollpane = swing.JScrollPane()
scrollpane.setPreferredSize(awt.Dimension(200,65))
scrollpane.getViewport().setView(table)
root.add(scrollpane)
root.show()
# connected variables
self.list = {'head':['col1 int','col2 str'], \
'body':[[1,'one'],[2,'two'],[3,'three']]}
self.list_work = copy.deepcopy(self.list)
# start variables update
update = self.update()
self.timer = swing.Timer(UPDATE_PERIOD,None)
self.timer.actionPerformed = lambda event: update.next()
self.timer.start()
def update(self):
"""
Tabular data rows data are rolled down.
"""
rows_num = len(self.list['body'])
while True:
# save last row of data
last_row = self.list_work['body'][-1]
# shift down one position each data row
for i in range(1,rows_num):
self.list_work['body'][-i] = \
self.list_work['body'][-1-i]
# copy last row into first position
self.list_work['body'][0] = last_row
# copy working copy into connected variable
self.list = self.list_work
yield
#### MAIN
example = Example() # instantiate the application
example.avc_init() # connect widgets with variables
#### END
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