def Start(self, num_attempts):
wx.CallAfter(self.progressbar.SetRange, num_attempts + 1)
wx.CallAfter(self.progressbar.SetValue, 1) # range is 0..num_attempts inclusive. 0 shows no progress.
wx.CallAfter(self.btnCancelClose.SetFocus)
"""Start Computation."""
# Trigger the worker thread unless it's already busy
if not self.worker:
wx.CallAfter(self.status.SetLabel, 'Starting Layout')
self.worker = WorkerThread(self, self.blackboard, num_attempts)
def Start(self, num_attempts):
wx.CallAfter(self.progressbar.SetRange, num_attempts + 1)
wx.CallAfter(self.progressbar.SetValue, 1) # range is 0..num_attempts inclusive. 0 shows no progress.
wx.CallAfter(self.btnCancelClose.SetFocus)
"""Start Computation."""
# Trigger the worker thread unless it's already busy
if not self.worker:
wx.CallAfter(self.status.SetLabel, 'Starting Layout')
self.worker = WorkerThread(self, self.blackboard, num_attempts)
class MainBlackboardFrame(FrameDeepLayout):
def __init__(self, *args, **kwargs):
super(MainBlackboardFrame, self).__init__(*args, **kwargs)
self.InitUI()
def InitUI(self):
self.status = self.m_staticText3
self.progressbar = self.m_gauge1
self.Bind(wx.EVT_CLOSE, self.OnClose)
# Set up event handler for any worker thread results
EVT_RESULT(self, self.OnResult)
self.Bind(
wx.EVT_CHAR_HOOK, self.onKeyPress
) # http://stackoverflow.com/questions/3570254/in-wxpython-how-do-you-bind-a-evt-key-down-event-to-the-whole-window
self.working = False
# And indicate we don't have a worker thread yet
self.worker = None
self.blackboard = None
def Start(self, num_attempts):
wx.CallAfter(self.progressbar.SetRange, num_attempts + 1)
wx.CallAfter(
self.progressbar.SetValue,
1) # range is 0..num_attempts inclusive. 0 shows no progress.
wx.CallAfter(self.btnCancelClose.SetFocus)
"""Start Computation."""
# Trigger the worker thread unless it's already busy
if not self.worker:
wx.CallAfter(self.status.SetLabel, 'Starting Layout')
self.worker = WorkerThread(self, self.blackboard, num_attempts)
def onKeyPress(self, event):
keycode = event.GetKeyCode(
) # http://www.wxpython.org/docs/api/wx.KeyEvent-class.html
if self.working:
event.Skip()
return
self.working = True
if keycode == wx.WXK_ESCAPE:
print "ESC key detected in Blackboard: Abort Layout"
self.OnClose(None)
self.working = False
event.Skip()
def StopComputation(self):
"""Stop Computation."""
# Flag the worker thread to stop if running
if self.worker:
wx.CallAfter(self.status.SetLabel, 'Trying to abort')
self.worker.abort()
def OnClose(self, event):
self.StopComputation()
wx.FutureCall(500, self.Destroy)
def OnCancelClick(self, event):
if self.btnCancelClose.GetLabel() == 'Close':
self.Destroy()
self.StopComputation()
wx.CallAfter(self.btnCancelClose.SetLabel, 'Close')
def SetBlackboardObject(self, b):
self.blackboard = b
def OnResult(self, event):
"""Show Result status."""
#print event
def log(msg):
wx.CallAfter(self.m_textCtrl1.AppendText, msg + "\n")
if event.logmsg:
log(event.logmsg)
if event.cmd:
if event.cmd == 'snapshot_mgr_restore_0':
wx.CallAfter(self.blackboard.umlwin.snapshot_mgr.Restore, 0)
wx.CallAfter(self.btnCancelClose.SetFocus)
elif event.cmd == 'stateofthenation':
wx.CallAfter(self.blackboard.umlwin.stateofthenation)
if event.statusmsg:
wx.CallAfter(self.status.SetLabel, event.statusmsg)
log("** " + event.statusmsg)
if event.progress <> -1:
wx.CallAfter(self.progressbar.SetValue, event.progress)
if event.shouldStop:
# the worker is done
self.worker = None
wx.CallAfter(self.btnCancelClose.SetLabel, 'Close')
class MainBlackboardFrame(FrameDeepLayout):
def __init__(self, *args, **kwargs):
super(MainBlackboardFrame, self).__init__(*args, **kwargs)
self.InitUI()
def InitUI(self):
self.status = self.m_staticText3
self.progressbar = self.m_gauge1
self.Bind(wx.EVT_CLOSE, self.OnClose)
# Set up event handler for any worker thread results
EVT_RESULT(self, self.OnResult)
self.Bind(wx.EVT_CHAR_HOOK, self.onKeyPress) # http://stackoverflow.com/questions/3570254/in-wxpython-how-do-you-bind-a-evt-key-down-event-to-the-whole-window
self.working = False
# And indicate we don't have a worker thread yet
self.worker = None
self.blackboard = None
def Start(self, num_attempts):
wx.CallAfter(self.progressbar.SetRange, num_attempts + 1)
wx.CallAfter(self.progressbar.SetValue, 1) # range is 0..num_attempts inclusive. 0 shows no progress.
wx.CallAfter(self.btnCancelClose.SetFocus)
"""Start Computation."""
# Trigger the worker thread unless it's already busy
if not self.worker:
wx.CallAfter(self.status.SetLabel, 'Starting Layout')
self.worker = WorkerThread(self, self.blackboard, num_attempts)
def onKeyPress(self, event):
keycode = event.GetKeyCode() # http://www.wxpython.org/docs/api/wx.KeyEvent-class.html
if self.working:
event.Skip()
return
self.working = True
if keycode == wx.WXK_ESCAPE:
print "ESC key detected in Blackboard: Abort Layout"
self.OnClose(None)
self.working = False
event.Skip()
def StopComputation(self):
"""Stop Computation."""
# Flag the worker thread to stop if running
if self.worker:
wx.CallAfter(self.status.SetLabel, 'Trying to abort')
self.worker.abort()
def OnClose(self, event):
self.StopComputation()
wx.FutureCall(500, self.Destroy)
def OnCancelClick(self, event):
if self.btnCancelClose.GetLabel() == 'Close':
self.Destroy()
self.StopComputation()
wx.CallAfter(self.btnCancelClose.SetLabel, 'Close')
def SetBlackboardObject(self, b):
self.blackboard = b
def OnResult(self, event):
"""Show Result status."""
#print event
def log(msg):
wx.CallAfter(self.m_textCtrl1.AppendText, msg + "\n")
if event.logmsg:
log(event.logmsg)
if event.cmd:
if event.cmd == 'snapshot_mgr_restore_0':
wx.CallAfter(self.blackboard.umlwin.snapshot_mgr.Restore, 0)
wx.CallAfter(self.btnCancelClose.SetFocus)
elif event.cmd == 'stateofthenation':
wx.CallAfter(self.blackboard.umlwin.stateofthenation)
if event.statusmsg:
wx.CallAfter(self.status.SetLabel, event.statusmsg)
log("** " + event.statusmsg)
if event.progress <> -1:
wx.CallAfter(self.progressbar.SetValue, event.progress)
if event.shouldStop:
# the worker is done
self.worker = None
wx.CallAfter(self.btnCancelClose.SetLabel, 'Close')
