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00033 import wx
00034
00035 class BaseFrame(wx.Frame):
00036 """
00037 A Frame that can save/load its position and size.
00038 """
00039 def __init__(self, parent, config_name, config_key, id=wx.ID_ANY, title='Untitled', pos=wx.DefaultPosition, size=(800, 300), style=wx.DEFAULT_FRAME_STYLE):
00040 wx.Frame.__init__(self, parent, id, title, pos, size, style)
00041
00042 self._config = wx.Config(config_name)
00043 self._config_key = config_key
00044
00045 self._load_config()
00046
00047 self.Bind(wx.EVT_CLOSE, self._on_close)
00048
00049 def _on_close(self, event):
00050 self._save_config()
00051
00052 self.Destroy()
00053
00054 def _load_config(self):
00055 """
00056 Load position and size of the frame from config
00057 """
00058 (x, y), (width, height) = self.Position, self.Size
00059 if self._config.HasEntry(self._config_x): x = self._config.ReadInt(self._config_x)
00060 if self._config.HasEntry(self._config_y): y = self._config.ReadInt(self._config_y)
00061 if self._config.HasEntry(self._config_width): width = self._config.ReadInt(self._config_width)
00062 if self._config.HasEntry(self._config_height): height = self._config.ReadInt(self._config_height)
00063
00064 self.Position = (x, y)
00065 self.Size = (width, height)
00066
00067 def _save_config(self):
00068 """
00069 Save position and size of frame to config
00070 """
00071 (x, y), (width, height) = self.Position, self.Size
00072
00073 self._config.WriteInt(self._config_x, x)
00074 self._config.WriteInt(self._config_y, y)
00075 self._config.WriteInt(self._config_width, width)
00076 self._config.WriteInt(self._config_height, height)
00077 self._config.Flush()
00078
00079 @property
00080 def _config_x(self): return self._config_property('X')
00081
00082 @property
00083 def _config_y(self): return self._config_property('Y')
00084
00085 @property
00086 def _config_width(self): return self._config_property('Width')
00087
00088 @property
00089 def _config_height(self): return self._config_property('Height')
00090
00091 def _config_property(self, property): return '/%s/%s' % (self._config_key, property)