1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
|
#!/usr/bin/env jython
# .+
# .context : Application View Controller
# .title : A progressbar replicated into a label (Swing),
# GUI programmatically generated
# .kind : python source
# .author : Fabrizio Pollastri
# .site : Torino - Italy
# .creation : 22-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
INCREMENTER_PERIOD = 333 # ms
class Example(AVC):
"""
A progress bar whose value is replicated into a label
"""
def __init__(self):
# create GUI
root = swing.JFrame('AVC Swing progress bar example',size=(350,60),
defaultCloseOperation = swing.JFrame.EXIT_ON_CLOSE)
root.layout = awt.FlowLayout()
root.add(swing.JLabel('progressbar',name='progressbar__label',))
root.add(swing.JProgressBar(name='progressbar__progressbar'))
root.show()
# the variable holding the progress bar value
self.progressbar = -1.0
# start variables incrementer
increment = self.incrementer()
self.timer = swing.Timer(INCREMENTER_PERIOD,None)
self.timer.actionPerformed = lambda event: increment.next()
self.timer.start()
def incrementer(self):
"""
Progress bar is alternatively shuttled or incremented from 0 to 100%
"""
while True:
if self.progressbar >= 0.9999:
self.progressbar = -1.0
else:
self.progressbar = round(self.progressbar + 0.1,1)
yield
#### MAIN
example = Example() # instantiate the application
example.avc_init() # connect widgets with variables
#### END
|