wxPython/demo/MaskedNumCtrl.py

   1 # 11/20/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 #
   5 # 11/29/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   6 #
   7 # o wx.lib.maskednumctrl needs hit up with the renamer and new binders
   8 #
   9 # 12/09/2003 - Jeff Grimmett (grimmtooth@softhome.net)
  10 #
  11 # o Issues with lib corrected.
  12 #
  13 # 12/20/2003 - Jeff Grimmett (grimmtooth@softhome.net)
  14 #
  15 # o wxMaskedNumCtrl -> MaskedNumCtrl
  16 #
  17
  18 import  string
  19 import  sys
  20 import  traceback
  21
  22 import  wx
  23 import  wx.lib.maskednumctrl    as mnum
  24 #----------------------------------------------------------------------
  25
  26 class TestPanel( wx.Panel ):
  27     def __init__( self, parent, log ):
  28
  29         wx.Panel.__init__( self, parent, -1 )
  30         self.log = log
  31         panel = wx.Panel( self, -1 )
  32
  33         header = wx.StaticText(panel, -1, """\
  34 This shows the various options for MaskedNumCtrl.
  35 The controls at the top reconfigure the resulting control at the bottom.
  36 """)
  37         header.SetForegroundColour( "Blue" )
  38
  39         intlabel = wx.StaticText( panel, -1, "Integer width:" )
  40         self.integerwidth = mnum.MaskedNumCtrl(
  41                                 panel, value=10, integerWidth=2, allowNegative=False
  42                                 )
  43
  44         fraclabel = wx.StaticText( panel, -1, "Fraction width:" )
  45         self.fractionwidth = mnum.MaskedNumCtrl(
  46                                 panel, value=0, integerWidth=2, allowNegative=False
  47                                 )
  48
  49         groupcharlabel = wx.StaticText( panel,-1, "Grouping char:" )
  50         self.groupchar = mnum.MaskedTextCtrl(
  51                                 panel, -1, value=',', mask='&', excludeChars = '-()',
  52                                 formatcodes='F', emptyInvalid=True, validRequired=True
  53                                 )
  54
  55         decimalcharlabel = wx.StaticText( panel,-1, "Decimal char:" )
  56         self.decimalchar = mnum.MaskedTextCtrl(
  57                                 panel, -1, value='.', mask='&', excludeChars = '-()',
  58                                 formatcodes='F', emptyInvalid=True, validRequired=True
  59                                 )
  60
  61         self.set_min = wx.CheckBox( panel, -1, "Set minimum value:" )
  62         # Create this MaskedNumCtrl using factory, to show how:
  63         self.min = mnum.MaskedNumCtrl( panel, integerWidth=5, fractionWidth=2 )
  64         self.min.Enable( False )
  65
  66         self.set_max = wx.CheckBox( panel, -1, "Set maximum value:" )
  67         self.max = mnum.MaskedNumCtrl( panel, integerWidth=5, fractionWidth=2 )
  68         self.max.Enable( False )
  69
  70
  71         self.limit_target = wx.CheckBox( panel, -1, "Limit control" )
  72         self.allow_none = wx.CheckBox( panel, -1, "Allow empty control" )
  73         self.group_digits = wx.CheckBox( panel, -1, "Group digits" )
  74         self.group_digits.SetValue( True )
  75         self.allow_negative = wx.CheckBox( panel, -1, "Allow negative values" )
  76         self.allow_negative.SetValue( True )
  77         self.use_parens = wx.CheckBox( panel, -1, "Use parentheses" )
  78         self.select_on_entry = wx.CheckBox( panel, -1, "Select on entry" )
  79         self.select_on_entry.SetValue( True )
  80
  81         label = wx.StaticText( panel, -1, "Resulting numeric control:" )
  82         font = label.GetFont()
  83         font.SetWeight(wx.BOLD)
  84         label.SetFont(font)
  85
  86         self.target_ctl = mnum.MaskedNumCtrl( panel, -1, name="target control" )
  87
  88         label_numselect = wx.StaticText( panel, -1, """\
  89 Programmatically set the above
  90 value entry ctrl:""")
  91         self.numselect = wx.ComboBox(panel, -1, choices = [ '0', '111', '222.22', '-3', '54321.666666666', '-1353.978',
  92                                                      '1234567', '-1234567', '123456789', '-123456789.1',
  93                                                      '1234567890.', '-9876543210.9' ])
  94
  95         grid1 = wx.FlexGridSizer( 0, 4, 0, 0 )
  96         grid1.Add( intlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
  97         grid1.Add( self.integerwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
  98
  99         grid1.Add( groupcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
 100         grid1.Add( self.groupchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 101
 102         grid1.Add( fraclabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 103         grid1.Add( self.fractionwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 104
 105         grid1.Add( decimalcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
 106         grid1.Add( self.decimalchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 107
 108         grid1.Add( self.set_min, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 109         grid1.Add( self.min, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 110         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 111         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 112
 113         grid1.Add( self.set_max, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 114         grid1.Add( self.max, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 115         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 116         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 117
 118
 119         grid1.Add( self.limit_target, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 120         grid1.Add( self.allow_none, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 121         hbox1 = wx.BoxSizer( wx.HORIZONTAL )
 122         hbox1.Add( (17,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 123         hbox1.Add( self.group_digits, 0, wx.ALIGN_LEFT|wx.LEFT, 5 )
 124         grid1.Add( hbox1, 0, wx.ALIGN_LEFT|wx.ALL, 5)
 125         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 126
 127         grid1.Add( self.allow_negative, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 128         grid1.Add( self.use_parens, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 129         hbox2 = wx.BoxSizer( wx.HORIZONTAL )
 130         hbox2.Add( (17,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 131         hbox2.Add( self.select_on_entry, 0, wx.ALIGN_LEFT|wx.LEFT, 5 )
 132         grid1.Add( hbox2, 0, wx.ALIGN_LEFT|wx.ALL, 5)
 133         grid1.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 134
 135
 136         grid2 = wx.FlexGridSizer( 0, 2, 0, 0 )
 137         grid2.Add( label, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 138         grid2.Add( self.target_ctl, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 139         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 140         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 141         grid2.Add( label_numselect, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
 142         grid2.Add( self.numselect, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 143         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 144         grid2.Add( (5,5), 0, wx.ALIGN_LEFT|wx.ALL, 5)
 145         grid2.AddGrowableCol(1)
 146
 147         self.outer_box = wx.BoxSizer( wx.VERTICAL )
 148         self.outer_box.Add(header, 0, wx.ALIGN_LEFT|wx.TOP|wx.LEFT, 20)
 149         self.outer_box.Add( grid1, 0, wx.ALIGN_CENTRE|wx.LEFT|wx.BOTTOM|wx.RIGHT, 20 )
 150         self.outer_box.Add( grid2, 0, wx.ALIGN_LEFT|wx.ALL, 20 )
 151         self.grid2 = grid2
 152
 153         panel.SetAutoLayout( True )
 154         panel.SetSizer( self.outer_box )
 155         self.outer_box.Fit( panel )
 156         panel.Move( (50,10) )
 157         self.panel = panel
 158
 159         self.Bind(mnum.EVT_MASKEDNUM, self.OnSetIntWidth, self.integerwidth )
 160         self.Bind(mnum.EVT_MASKEDNUM, self.OnSetFractionWidth, self.fractionwidth )
 161         self.Bind(wx.EVT_TEXT, self.OnSetGroupChar, self.groupchar )
 162         self.Bind(wx.EVT_TEXT, self.OnSetDecimalChar, self.decimalchar )
 163
 164         self.Bind(wx.EVT_CHECKBOX, self.OnSetMin, self.set_min )
 165         self.Bind(wx.EVT_CHECKBOX, self.OnSetMax, self.set_max )
 166         self.Bind(mnum.EVT_MASKEDNUM, self.SetTargetMinMax, self.min )
 167         self.Bind(mnum.EVT_MASKEDNUM, self.SetTargetMinMax, self.max )
 168
 169         self.Bind(wx.EVT_CHECKBOX, self.SetTargetMinMax, self.limit_target )
 170         self.Bind(wx.EVT_CHECKBOX, self.OnSetAllowNone, self.allow_none )
 171         self.Bind(wx.EVT_CHECKBOX, self.OnSetGroupDigits, self.group_digits )
 172         self.Bind(wx.EVT_CHECKBOX, self.OnSetAllowNegative, self.allow_negative )
 173         self.Bind(wx.EVT_CHECKBOX, self.OnSetUseParens, self.use_parens )
 174         self.Bind(wx.EVT_CHECKBOX, self.OnSetSelectOnEntry, self.select_on_entry )
 175
 176         self.Bind(mnum.EVT_MASKEDNUM, self.OnTargetChange, self.target_ctl )
 177         self.Bind(wx.EVT_COMBOBOX, self.OnNumberSelect, self.numselect )
 178
 179
 180     def OnSetIntWidth(self, event ):
 181         width = self.integerwidth.GetValue()
 182
 183         if width < 1:
 184             self.log.write("integer width must be positive\n")
 185             self.integerwidth.SetForegroundColour(wx.RED)
 186         else:
 187             self.integerwidth.SetForegroundColour(wx.BLACK)
 188             self.log.write("setting integer width to %d\n" % width)
 189             self.target_ctl.SetParameters( integerWidth = width)
 190             # Now resize and fit the dialog as appropriate:
 191             self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 192             self.outer_box.Fit( self.panel )
 193             self.outer_box.SetSizeHints( self.panel )
 194
 195
 196     def OnSetFractionWidth(self, event ):
 197         width = self.fractionwidth.GetValue()
 198         self.log.write("setting fraction width to %d\n" % width)
 199         self.target_ctl.SetParameters( fractionWidth = width)
 200         # Now resize and fit the dialog as appropriate:
 201         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 202         self.outer_box.Fit( self.panel )
 203         self.outer_box.SetSizeHints( self.panel )
 204
 205
 206     def OnSetGroupChar( self, event ):
 207         char = self.groupchar.GetValue()
 208         if self.target_ctl.GetDecimalChar() == char:
 209             self.log.write("group and decimal chars must be different\n")
 210             self.groupchar.SetForegroundColour(wx.RED)
 211         else:
 212             self.groupchar.SetForegroundColour(wx.BLACK)
 213             self.log.write("setting group char to %s\n" % char)
 214             self.target_ctl.SetGroupChar( char )
 215
 216     def OnSetDecimalChar( self, event ):
 217         char = self.decimalchar.GetValue()
 218         if self.target_ctl.GetGroupChar() == char:
 219             self.log.write("group and decimal chars must be different\n")
 220             self.decimalchar.SetForegroundColour(wx.RED)
 221         else:
 222             self.decimalchar.SetForegroundColour(wx.BLACK)
 223             self.log.write("setting decimal char to %s\n" % char)
 224             self.target_ctl.SetDecimalChar( char )
 225
 226
 227     def OnSetMin( self, event ):
 228         self.min.Enable( self.set_min.GetValue() )
 229         self.SetTargetMinMax()
 230
 231     def OnSetMax( self, event ):
 232         self.max.Enable( self.set_max.GetValue() )
 233         self.SetTargetMinMax()
 234
 235
 236     def SetTargetMinMax( self, event=None ):
 237         min = max = None
 238         self.target_ctl.SetLimited( self.limit_target.GetValue() )
 239
 240         if self.set_min.GetValue():
 241             min = self.min.GetValue()
 242         if self.set_max.GetValue():
 243             max = self.max.GetValue()
 244
 245         cur_min, cur_max = self.target_ctl.GetBounds()
 246
 247         if min != cur_min and not self.target_ctl.SetMin( min ):
 248             if self.target_ctl.GetMax() is None and cur_max > min:
 249                 self.log.write( "min (%d) won't fit in control -- bound not set\n" % min )
 250             else:
 251                 self.log.write( "min (%d) > current max (%d) -- bound not set\n" % ( min, self.target_ctl.GetMax() ) )
 252             self.min.SetParameters( signedForegroundColour=wx.RED, foregroundColour=wx.RED )
 253         else:
 254             self.min.SetParameters( signedForegroundColour=wx.BLACK, foregroundColour=wx.BLACK )
 255         self.min.Refresh()
 256
 257         if max != cur_max and not self.target_ctl.SetMax( max ):
 258             if self.target_ctl.GetMax() is None and cur_min < max:
 259                 self.log.write( "max (%d) won't fit in control -- bound not set\n" % max )
 260             else:
 261                 self.log.write( "max (%d) < current min (%d) -- bound not set\n" % ( max, self.target_ctl.GetMin() ) )
 262             self.max.SetParameters( signedForegroundColour=wx.RED, foregroundColour=wx.RED )
 263         else:
 264             self.max.SetParameters( signedForegroundColour=wx.BLACK, foregroundColour=wx.BLACK )
 265         self.max.Refresh()
 266
 267         if min != cur_min or max != cur_max:
 268             new_min, new_max = self.target_ctl.GetBounds()
 269             self.log.write( "current min, max:  (%s, %s)\n" % ( str(new_min), str(new_max) ) )
 270
 271
 272     def OnSetAllowNone( self, event ):
 273         self.target_ctl.SetAllowNone( self.allow_none.GetValue() )
 274
 275
 276     def OnSetGroupDigits( self, event ):
 277         self.target_ctl.SetGroupDigits( self.group_digits.GetValue() )
 278         # Now resize and fit the dialog as appropriate:
 279         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 280         self.outer_box.Fit( self.panel )
 281         self.outer_box.SetSizeHints( self.panel )
 282
 283
 284     def OnSetAllowNegative( self, event ):
 285         if self.allow_negative.GetValue():
 286             self.use_parens.Enable(True)
 287             self.target_ctl.SetParameters(allowNegative=True,
 288                                           useParensForNegatives = self.use_parens.GetValue())
 289         else:
 290             self.target_ctl.SetAllowNegative(False)
 291         # Now resize and fit the dialog as appropriate:
 292         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 293         self.outer_box.Fit( self.panel )
 294         self.outer_box.SetSizeHints( self.panel )
 295
 296
 297     def OnSetUseParens( self, event ):
 298         self.target_ctl.SetUseParensForNegatives( self.use_parens.GetValue() )
 299         # Now resize and fit the dialog as appropriate:
 300         self.grid2.SetItemMinSize(self.target_ctl, self.target_ctl.GetSize())
 301         self.outer_box.Fit( self.panel )
 302         self.outer_box.SetSizeHints( self.panel )
 303
 304
 305     def OnSetSelectOnEntry( self, event ):
 306         self.target_ctl.SetSelectOnEntry( self.select_on_entry.GetValue() )
 307
 308
 309     def OnTargetChange( self, event ):
 310         ctl = event.GetEventObject()
 311         value = ctl.GetValue()
 312         ib_str = [ "  (out of bounds)", "" ]
 313         self.log.write( "value = %s (%s)%s\n" % ( repr(value), repr(type(value)), ib_str[ ctl.IsInBounds(value) ] ) )
 314
 315
 316     def OnNumberSelect( self, event ):
 317         value = event.GetString()
 318         if value:
 319             if value.find('.') != -1:
 320                 numvalue = float(value)
 321             else:
 322                 numvalue = long(value)
 323         else:
 324             numvalue = value   # try to clear the value again
 325
 326         try:
 327             self.target_ctl.SetValue(numvalue)
 328         except:
 329             type, value, tb = sys.exc_info()
 330             for line in traceback.format_exception_only(type, value):
 331                 self.log.write(line)
 332
 333
 334 #----------------------------------------------------------------------
 335
 336 def runTest( frame, nb, log ):
 337     win = TestPanel( nb, log )
 338     return win
 339
 340 #----------------------------------------------------------------------
 341 overview = mnum.__doc__
 342
 343 if __name__ == '__main__':
 344     import sys,os
 345     import run
 346     run.main(['', os.path.basename(sys.argv[0])])