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