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