wxPython/demo/MaskedNumCtrl.py

   1
   2 import  string
   3 import  sys
   4 import  traceback
   5
   6 import  wx
   7 import  wx.lib.maskededit       as me
   8 import  wx.lib.maskednumctrl    as mnum
   9 #----------------------------------------------------------------------
  10
  11 class TestPanel( wx.Panel ):
  12     def __init__( self, parent, log ):
  13
  14         wx.Panel.__init__( self, parent, -1 )
  15         self.log = log
  16         panel = wx.Panel( self, -1 )
  17
  18         header = wx.StaticText(panel, -1, """\
  19 This shows the various options for MaskedNumCtrl.
  20 The controls at the top reconfigure the resulting control at the bottom.
  21 """)
  22         header.SetForegroundColour( "Blue" )
  23
  24         intlabel = wx.StaticText( panel, -1, "Integer width:" )
  25         self.integerwidth = mnum.MaskedNumCtrl(
  26                                 panel, value=10, integerWidth=2, allowNegative=False
  27                                 )
  28
  29         fraclabel = wx.StaticText( panel, -1, "Fraction width:" )
  30         self.fractionwidth = mnum.MaskedNumCtrl(
  31                                 panel, value=0, integerWidth=2, allowNegative=False
  32                                 )
  33
  34         groupcharlabel = wx.StaticText( panel,-1, "Grouping char:" )
  35         self.groupchar = me.MaskedTextCtrl(
  36                                 panel, -1, value=',', mask='&', excludeChars = '-()',
  37                                 formatcodes='F', emptyInvalid=True, validRequired=True
  38                                 )
  39
  40         decimalcharlabel = wx.StaticText( panel,-1, "Decimal char:" )
  41         self.decimalchar = me.MaskedTextCtrl(
  42                                 panel, -1, value='.', mask='&', excludeChars = '-()',
  43                                 formatcodes='F', emptyInvalid=True, validRequired=True
  44                                 )
  45
  46         self.set_min = wx.CheckBox( panel, -1, "Set minimum value:" )
  47         # Create this MaskedNumCtrl using factory, to show how:
  48         self.min = mnum.MaskedNumCtrl( panel, integerWidth=5, fractionWidth=2 )
  49         self.min.Enable( False )
  50
  51         self.set_max = wx.CheckBox( panel, -1, "Set maximum value:" )
  52         self.max = mnum.MaskedNumCtrl( panel, integerWidth=5, fractionWidth=2 )
  53         self.max.Enable( False )
  54
  55
  56         self.limit_target = wx.CheckBox( panel, -1, "Limit control" )
  57         self.allow_none = wx.CheckBox( panel, -1, "Allow empty control" )
  58         self.group_digits = wx.CheckBox( panel, -1, "Group digits" )
  59         self.group_digits.SetValue( True )
  60         self.allow_negative = wx.CheckBox( panel, -1, "Allow negative values" )
  61         self.allow_negative.SetValue( True )
  62         self.use_parens = wx.CheckBox( panel, -1, "Use parentheses" )
  63         self.select_on_entry = wx.CheckBox( panel, -1, "Select on entry" )
  64         self.select_on_entry.SetValue( True )
  65
  66         label = wx.StaticText( panel, -1, "Resulting numeric control:" )
  67         font = label.GetFont()
  68         font.SetWeight(wx.BOLD)
  69         label.SetFont(font)
  70
  71         self.target_ctl = mnum.MaskedNumCtrl( panel, -1, name="target control" )
  72
  73         label_numselect = wx.StaticText( panel, -1, """\
  74 Programmatically set the above
  75 value entry ctrl:""")
  76         self.numselect = wx.ComboBox(panel, -1, choices = [ '0', '111', '222.22', '-3', '54321.666666666', '-1353.978',
  77                                                      '1234567', '-1234567', '123456789', '-123456789.1',
  78                                                      '1234567890.', '-9876543210.9' ])
  79
  80         grid1 = wx.FlexGridSizer( 0, 4, 0, 0 )
  81         grid1.Add( intlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
  82         grid1.Add( self.integerwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
  83
  84         grid1.Add( groupcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
  85         grid1.Add( self.groupchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
  86
  87         grid1.Add( fraclabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
  88         grid1.Add( self.fractionwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
  89
  90         grid1.Add( decimalcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
  91         grid1.Add( self.decimalchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
  92
  93         grid1.Add( self.set_min, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
  94         grid1.Add( self.min, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
  95         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
  96         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
  97
  98         grid1.Add( self.set_max, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
  99         grid1.Add( self.max, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 100         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 101         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 102
 103
 104         grid1.Add( self.limit_target, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 105         grid1.Add( self.allow_none, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 106         hbox1 = wx.BoxSizer( wx.HORIZONTAL )
 107         hbox1.Add( (17,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 108         hbox1.Add( self.group_digits, 0, wx.ALIGN_LEFT|wx.LEFT, 5 )
 109         grid1.Add( hbox1, 0, wx.ALIGN_LEFT|wx.ALL, 5)
 110         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 111
 112         grid1.Add( self.allow_negative, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 113         grid1.Add( self.use_parens, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 114         hbox2 = wx.BoxSizer( wx.HORIZONTAL )
 115         hbox2.Add( (17,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 116         hbox2.Add( self.select_on_entry, 0, wx.ALIGN_LEFT|wx.LEFT, 5 )
 117         grid1.Add( hbox2, 0, wx.ALIGN_LEFT|wx.ALL, 5)
 118         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 119
 120
 121         grid2 = wx.FlexGridSizer( 0, 2, 0, 0 )
 122         grid2.Add( label, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 123         grid2.Add( self.target_ctl, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 124         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 125         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 126         grid2.Add( label_numselect, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 127         grid2.Add( self.numselect, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 128         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 129         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 130         grid2.AddGrowableCol(1)
 131
 132         self.outer_box = wx.BoxSizer( wx.VERTICAL )
 133         self.outer_box.Add(header, 0, wx.ALIGN_LEFT|wx.TOP|wx.LEFT, 20)
 134         self.outer_box.Add( grid1, 0, wx.ALIGN_CENTRE|wx.LEFT|wx.BOTTOM|wx.RIGHT, 20 )
 135         self.outer_box.Add( grid2, 0, wx.ALIGN_LEFT|wx.ALL, 20 )
 136         self.grid2 = grid2
 137
 138         panel.SetAutoLayout( True )
 139         panel.SetSizer( self.outer_box )
 140         self.outer_box.Fit( panel )
 141         panel.Move( (50,10) )
 142         self.panel = panel
 143
 144         self.Bind(mnum.EVT_MASKEDNUM, self.OnSetIntWidth, self.integerwidth )
 145         self.Bind(mnum.EVT_MASKEDNUM, self.OnSetFractionWidth, self.fractionwidth )
 146         self.Bind(wx.EVT_TEXT, self.OnSetGroupChar, self.groupchar )
 147         self.Bind(wx.EVT_TEXT, self.OnSetDecimalChar, self.decimalchar )
 148
 149         self.Bind(wx.EVT_CHECKBOX, self.OnSetMin, self.set_min )
 150         self.Bind(wx.EVT_CHECKBOX, self.OnSetMax, self.set_max )
 151         self.Bind(mnum.EVT_MASKEDNUM, self.SetTargetMinMax, self.min )
 152         self.Bind(mnum.EVT_MASKEDNUM, self.SetTargetMinMax, self.max )
 153
 154         self.Bind(wx.EVT_CHECKBOX, self.SetTargetMinMax, self.limit_target )
 155         self.Bind(wx.EVT_CHECKBOX, self.OnSetAllowNone, self.allow_none )
 156         self.Bind(wx.EVT_CHECKBOX, self.OnSetGroupDigits, self.group_digits )
 157         self.Bind(wx.EVT_CHECKBOX, self.OnSetAllowNegative, self.allow_negative )
 158         self.Bind(wx.EVT_CHECKBOX, self.OnSetUseParens, self.use_parens )
 159         self.Bind(wx.EVT_CHECKBOX, self.OnSetSelectOnEntry, self.select_on_entry )
 160
 161         self.Bind(mnum.EVT_MASKEDNUM, self.OnTargetChange, self.target_ctl )
 162         self.Bind(wx.EVT_COMBOBOX, self.OnNumberSelect, self.numselect )
 163
 164
 165     def OnSetIntWidth(self, event ):
 166         width = self.integerwidth.GetValue()
 167
 168         if width < 1:
 169             self.log.write("integer width must be positive\n")
 170             self.integerwidth.SetForegroundColour(wx.RED)
 171         else:
 172             self.integerwidth.SetForegroundColour(wx.BLACK)
 173             self.log.write("setting integer width to %d\n" % width)
 174             self.target_ctl.SetParameters( integerWidth = width)
 175             # Now resize and fit the dialog as appropriate:
 176             self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 177             self.outer_box.Fit( self.panel )
 178             self.outer_box.SetSizeHints( self.panel )
 179
 180
 181     def OnSetFractionWidth(self, event ):
 182         width = self.fractionwidth.GetValue()
 183         self.log.write("setting fraction width to %d\n" % width)
 184         self.target_ctl.SetParameters( fractionWidth = width)
 185         # Now resize and fit the dialog as appropriate:
 186         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 187         self.outer_box.Fit( self.panel )
 188         self.outer_box.SetSizeHints( self.panel )
 189
 190
 191     def OnSetGroupChar( self, event ):
 192         char = self.groupchar.GetValue()
 193         if self.target_ctl.GetDecimalChar() == char:
 194             self.log.write("group and decimal chars must be different\n")
 195             self.groupchar.SetForegroundColour(wx.RED)
 196         else:
 197             self.groupchar.SetForegroundColour(wx.BLACK)
 198             self.log.write("setting group char to %s\n" % char)
 199             self.target_ctl.SetGroupChar( char )
 200
 201     def OnSetDecimalChar( self, event ):
 202         char = self.decimalchar.GetValue()
 203         if self.target_ctl.GetGroupChar() == char:
 204             self.log.write("group and decimal chars must be different\n")
 205             self.decimalchar.SetForegroundColour(wx.RED)
 206         else:
 207             self.decimalchar.SetForegroundColour(wx.BLACK)
 208             self.log.write("setting decimal char to %s\n" % char)
 209             self.target_ctl.SetDecimalChar( char )
 210
 211
 212     def OnSetMin( self, event ):
 213         self.min.Enable( self.set_min.GetValue() )
 214         self.SetTargetMinMax()
 215
 216     def OnSetMax( self, event ):
 217         self.max.Enable( self.set_max.GetValue() )
 218         self.SetTargetMinMax()
 219
 220
 221     def SetTargetMinMax( self, event=None ):
 222         min = max = None
 223         self.target_ctl.SetLimited( self.limit_target.GetValue() )
 224
 225         if self.set_min.GetValue():
 226             min = self.min.GetValue()
 227         if self.set_max.GetValue():
 228             max = self.max.GetValue()
 229
 230         cur_min, cur_max = self.target_ctl.GetBounds()
 231
 232         if min != cur_min and not self.target_ctl.SetMin( min ):
 233             if self.target_ctl.GetMax() is None and cur_max > min:
 234                 self.log.write( "min (%d) won't fit in control -- bound not set\n" % min )
 235             else:
 236                 self.log.write( "min (%d) > current max (%d) -- bound not set\n" % ( min, self.target_ctl.GetMax() ) )
 237             self.min.SetParameters( signedForegroundColour=wx.RED, foregroundColour=wx.RED )
 238         else:
 239             self.min.SetParameters( signedForegroundColour=wx.BLACK, foregroundColour=wx.BLACK )
 240         self.min.Refresh()
 241
 242         if max != cur_max and not self.target_ctl.SetMax( max ):
 243             if self.target_ctl.GetMax() is None and cur_min < max:
 244                 self.log.write( "max (%d) won't fit in control -- bound not set\n" % max )
 245             else:
 246                 self.log.write( "max (%d) < current min (%d) -- bound not set\n" % ( max, self.target_ctl.GetMin() ) )
 247             self.max.SetParameters( signedForegroundColour=wx.RED, foregroundColour=wx.RED )
 248         else:
 249             self.max.SetParameters( signedForegroundColour=wx.BLACK, foregroundColour=wx.BLACK )
 250         self.max.Refresh()
 251
 252         if min != cur_min or max != cur_max:
 253             new_min, new_max = self.target_ctl.GetBounds()
 254             self.log.write( "current min, max:  (%s, %s)\n" % ( str(new_min), str(new_max) ) )
 255
 256
 257     def OnSetAllowNone( self, event ):
 258         self.target_ctl.SetAllowNone( self.allow_none.GetValue() )
 259
 260
 261     def OnSetGroupDigits( self, event ):
 262         self.target_ctl.SetGroupDigits( self.group_digits.GetValue() )
 263         # Now resize and fit the dialog as appropriate:
 264         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 265         self.outer_box.Fit( self.panel )
 266         self.outer_box.SetSizeHints( self.panel )
 267
 268
 269     def OnSetAllowNegative( self, event ):
 270         if self.allow_negative.GetValue():
 271             self.use_parens.Enable(True)
 272             self.target_ctl.SetParameters(allowNegative=True,
 273                                           useParensForNegatives = self.use_parens.GetValue())
 274         else:
 275             self.target_ctl.SetAllowNegative(False)
 276         # Now resize and fit the dialog as appropriate:
 277         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 278         self.outer_box.Fit( self.panel )
 279         self.outer_box.SetSizeHints( self.panel )
 280
 281
 282     def OnSetUseParens( self, event ):
 283         self.target_ctl.SetUseParensForNegatives( self.use_parens.GetValue() )
 284         # Now resize and fit the dialog as appropriate:
 285         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 286         self.outer_box.Fit( self.panel )
 287         self.outer_box.SetSizeHints( self.panel )
 288
 289
 290     def OnSetSelectOnEntry( self, event ):
 291         self.target_ctl.SetSelectOnEntry( self.select_on_entry.GetValue() )
 292
 293
 294     def OnTargetChange( self, event ):
 295         ctl = event.GetEventObject()
 296         value = ctl.GetValue()
 297         ib_str = [ "  (out of bounds)", "" ]
 298         self.log.write( "value = %s (%s)%s\n" % ( repr(value), repr(type(value)), ib_str[ ctl.IsInBounds(value) ] ) )
 299
 300
 301     def OnNumberSelect( self, event ):
 302         value = event.GetString()
 303         if value:
 304             if value.find('.') != -1:
 305                 numvalue = float(value)
 306             else:
 307                 numvalue = long(value)
 308         else:
 309             numvalue = value   # try to clear the value again
 310
 311         try:
 312             self.target_ctl.SetValue(numvalue)
 313         except:
 314             type, value, tb = sys.exc_info()
 315             for line in traceback.format_exception_only(type, value):
 316                 self.log.write(line)
 317
 318
 319 #----------------------------------------------------------------------
 320
 321 def runTest( frame, nb, log ):
 322     win = TestPanel( nb, log )
 323     return win
 324
 325 #----------------------------------------------------------------------
 326 overview = mnum.__doc__
 327
 328 if __name__ == '__main__':
 329     import sys,os
 330     import run
 331     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])