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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach 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.
Task Coach 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/>.
'''
import wx
from wx.lib.pubsub import pub
class StatusBar(wx.StatusBar):
def __init__(self, parent, viewer):
super(StatusBar, self).__init__(parent)
self.SetFieldsCount(2)
self.parent = parent
self.viewer = viewer
self.__timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.onUpdateStatus, self.__timer)
pub.subscribe(self.onViewerStatusChanged, 'viewer.status')
self.scheduledStatusDisplay = None
self.onViewerStatusChanged()
self.wxEventTypes = (wx.EVT_MENU_HIGHLIGHT_ALL, wx.EVT_TOOL_ENTER)
for eventType in self.wxEventTypes:
parent.Bind(eventType, self.resetStatusBar)
def resetStatusBar(self, event):
''' Unfortunately, the menu's and toolbar don't restore the
previous statusbar text after they have displayed their help
text, so we have to do it by hand. '''
try:
toolOrMenuId = event.GetSelection() # for CommandEvent from the Toolbar
except AttributeError:
toolOrMenuId = event.GetMenuId() # for MenuEvent
if toolOrMenuId == -1:
self._displayStatus()
event.Skip()
def onViewerStatusChanged(self):
# Give viewer a chance to update first and only update when the viewer
# hasn't changed status for 0.5 seconds.
self.__timer.Start(500, oneShot=True)
def onUpdateStatus(self, event): # pylint: disable=W0613
if self.__timer:
self.__timer.Stop()
self._displayStatus()
def _displayStatus(self):
try:
status1, status2 = self.viewer.statusMessages()
except AttributeError:
return # Viewer container contains no viewers
super(StatusBar, self).SetStatusText(status1, 0)
super(StatusBar, self).SetStatusText(status2, 1)
def SetStatusText(self, message, pane=0, delay=3000): # pylint: disable=W0221
if self.scheduledStatusDisplay:
self.scheduledStatusDisplay.Stop()
super(StatusBar, self).SetStatusText(message, pane)
self.scheduledStatusDisplay = wx.FutureCall(delay, self._displayStatus)
def Destroy(self): # pylint: disable=W0221
for eventType in self.wxEventTypes:
self.parent.Unbind(eventType)
if self.scheduledStatusDisplay:
self.scheduledStatusDisplay.Stop()
super(StatusBar, self).Destroy()
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