Source Code for Module application.dialogs.Progress

  1  #   Copyright (c) 2003-2007 Open Source Applications Foundation 
  2  # 
  3  #   Licensed under the Apache License, Version 2.0 (the "License"); 
  4  #   you may not use this file except in compliance with the License. 
  5  #   You may obtain a copy of the License at 
  6  # 
  7  #       http://www.apache.org/licenses/LICENSE-2.0 
  8  # 
  9  #   Unless required by applicable law or agreed to in writing, software 
 10  #   distributed under the License is distributed on an "AS IS" BASIS, 
 11  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 12  #   See the License for the specific language governing permissions and 
 13  #   limitations under the License. 
 14   
 15   
 16  import wx 
 17  import threading 
 18  from i18n import ChandlerMessageFactory as _ 
 19  from osaf.activity import * 
 20   
 21   
 22 -def Show(activity, parent=None): 
 23      win = ProgressFrame(parent, -1, activity.title, 
 24          size=(300,100), style=wx.DEFAULT_FRAME_STYLE, 
 25          activity=activity) 
 26      win.CenterOnParent() 
 27      win.Show() 
 28   
 29   
 30   
 31 -class ProgressFrame(wx.Frame): 
 32   
 33 -    def __init__(self, *args, **kwds): 
 34          self.activity = kwds['activity'] 
 35          del kwds['activity'] 
 36          super(ProgressFrame, self).__init__(*args, **kwds) 
 37          self.listener = Listener(activity=self.activity, callback=self.callback) 
 38   
 39          self.panel = wx.Panel(self, -1) 
 40          self.sizer = wx.BoxSizer(wx.VERTICAL) 
 41   
 42          self.gaugeCtrl = wx.Gauge(self.panel, -1, size=(300,10)) 
 43          self.sizer.Add(self.gaugeCtrl, 0, 
 44              wx.EXPAND|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) 
 45          self.gaugeCtrl.Pulse() 
 46   
 47          self.msgCtrl = wx.StaticText(self.panel, -1, "") 
 48          self.sizer.Add(self.msgCtrl, 0, wx.ALIGN_LEFT|wx.ALL, 5) 
 49   
 50          self.cancelCtrl = wx.Button(self.panel, wx.ID_CANCEL) 
 51          self.sizer.Add(self.cancelCtrl, 0, wx.ALIGN_LEFT|wx.ALL, 5) 
 52   
 53          self.Bind(wx.EVT_CLOSE, self.OnCloseWindow) 
 54          self.Bind(wx.EVT_BUTTON, self.OnCancel, id=wx.ID_CANCEL) 
 55   
 56          self.panel.SetSizer(self.sizer) 
 57          self.panel.Layout() 
 58          self.sizer.Fit(self) 
 59   
 60          self.cancel = False 
 61   
 62 -    def OnCloseWindow(self, event): 
 63          self.listener.unregister() 
 64          self.Destroy() 
 65   
 66 -    def OnCancel(self, event): 
 67          self.cancel = True 
 68   
 69 -    def callback(self, activity, *args, **kwds): 
 70          # Can be called from any thread; will call _callback in main thread 
 71   
 72          if threading.currentThread().getName() != "MainThread": 
 73              wx.GetApp().PostAsyncEvent(self._callback, activity, *args, **kwds) 
 74          else: 
 75              self._callback(activity, *args, **kwds) 
 76   
 77          return self.cancel 
 78   
 79   
 80 -    def _callback(self, activity, *args, **kwds): 
 81          # Must be called in main thread 
 82   
 83          if 'status' in kwds: 
 84              status = kwds['status'] 
 85              if status in (STATUS_ABORTED, STATUS_FAILED, STATUS_COMPLETE): 
 86                  self.OnCloseWindow(None) 
 87                  return 
 88   
 89          self.updateWidget(activity, *args, **kwds) 
 90   
 91 -    def updateWidget(self, activity, *args, **kwds): 
 92          if 'msg' in kwds: 
 93              self.msgCtrl.SetLabel(kwds['msg']) 
 94   
 95          if 'percent' in kwds: 
 96              percent = kwds['percent'] 
 97              if percent is None: 
 98                  self.gaugeCtrl.Pulse() 
 99              else: 
100                  self.gaugeCtrl.SetValue(percent) 
101   
102          wx.GetApp().Yield(True) 
103