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from __future__ import absolute_import
import random
from pyface.api import GUI
from traits.api import Button, HasTraits, Instance, Int, List, Str
from traitsui.api import ObjectColumn, TableEditor, UItem, View
from traitsui.extras.progress_column import ProgressColumn
class Job(HasTraits):
name = Str
percent_complete = Int
class JobManager(HasTraits):
jobs = List(Instance(Job))
start = Button
def populate(self):
self.jobs = [
Job(name='job %02d' % i, percent_complete=0)
for i in range(1, 25)
]
def process(self):
for job in self.jobs:
job.percent_complete = min(
job.percent_complete + random.randint(0, 3), 100)
if any(job.percent_complete < 100 for job in self.jobs):
GUI.invoke_after(100, self.process)
def _start_fired(self):
self.populate()
GUI.invoke_after(1000, self.process)
view = View(
UItem('jobs', editor=TableEditor(
columns=[
ObjectColumn(name='name'),
ProgressColumn(name='percent_complete'),
]
)),
UItem('start'),
resizable=True,
)
demo = view = job_manager = JobManager()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
demo.configure_traits()
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