wxPython/tests/val.py

   1 from wxPython.wx import *
   2
   3
   4 class floatValidator(wxPyValidator):
   5
   6     def __init__(self, obj=None, attrName=""):
   7         wxPyValidator.__init__(self)
   8         self.numList = ['1','2','3','4','5','6','7','8','9','0','.']
   9         EVT_CHAR(self, self.OnChar)
  10         self.obj = obj
  11         self.attrName = attrName
  12
  13     def Clone(self):
  14         return floatValidator(self.obj, self.attrName)
  15
  16     def TransferToWindow(self):
  17         if self.obj and hasattr(self.obj, self.attrName):
  18             tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  19             tc.SetValue(str(getattr(self.obj, self.attrName)))
  20         return true
  21
  22     def TransferFromWindow(self):
  23         if self.obj and self.attrName:
  24             tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  25             text = tc.GetValue()
  26             setattr(self.obj, self.attrName, float(text))
  27         return true
  28
  29
  30     def Validate(self, win):
  31         tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  32         val = tc.GetValue()
  33
  34         for x in val:
  35             if x not in self.numList:
  36                 return false
  37
  38         return true
  39
  40     def OnChar(self, event):
  41         key = event.KeyCode()
  42         if key < WXK_SPACE or key == WXK_DELETE or key > 255:
  43             event.Skip()
  44             return
  45
  46         if chr(key) in self.numList:
  47             event.Skip()
  48             return
  49
  50         if not wxValidator_IsSilent():
  51             wxBell()
  52
  53         # Returning without calling even.Skip eats the event before it
  54         # gets to the text control
  55         return
  56
  57
  58
  59 class MyDialog(wxDialog):
  60     def __init__(self, parent):
  61         wxDialog.__init__(self, parent, -1, "hello")
  62
  63         self.theValue =  555.12
  64         fltValidator = floatValidator(self, "theValue")
  65
  66         Vbox = wxBoxSizer(wxVERTICAL)
  67         Tbox = wxBoxSizer(wxHORIZONTAL)
  68         Tbox.Add(wxStaticText(self, -1, "Initial Balance"), 0, wxALL,5)
  69         Tbox.Add(wxTextCtrl(self, 13, "123.45", validator = fltValidator,
  70                             size=(100, -1)), 0, wxALL,5)
  71
  72         Vbox.Add(Tbox, 0, 0)
  73
  74         Tbox = wxBoxSizer(wxHORIZONTAL)
  75         Tbox.Add(wxButton(self, wxID_OK, "Ok"), 0, wxALL,5)
  76         Tbox.Add(wxButton(self, wxID_CANCEL, "Cancel"), 0, wxALL,5)
  77
  78         Vbox.Add(Tbox, 0, 0)
  79
  80         self.SetAutoLayout(true)
  81         self.SetSizer(Vbox)
  82         Vbox.Fit(self)
  83
  84
  85 class TestFrame(wxFrame):
  86     def __init__(self, parent):
  87         wxFrame.__init__(self, parent, -1, "Testing...", size=(150,75))
  88         wxButton(self, 25, "Click Me")
  89         EVT_BUTTON(self, 25, self.OnClick)
  90
  91
  92     def OnClick(self, event):
  93         dlg = MyDialog(self)
  94         dlg.ShowModal()
  95         print dlg.theValue
  96         dlg.Destroy()
  97
  98
  99
 100 app = wxPySimpleApp()
 101 frame = TestFrame(None)
 102 frame.Show(true)
 103 app.MainLoop()
 104
 105
 106
 107