wxPython/tests/val.py

   1 from wxPython.wx import *
   2 import string
   3
   4
   5 class floatValidator(wxPyValidator):
   6
   7     def __init__(self, obj=None, attrName=""):
   8         wxPyValidator.__init__(self)
   9         self.numList = ['1','2','3','4','5','6','7','8','9','0','.']
  10         EVT_CHAR(self, self.OnChar)
  11         self.obj = obj
  12         self.attrName = attrName
  13
  14     def Clone(self):
  15         return floatValidator(self.obj, self.attrName)
  16
  17     def TransferToWindow(self):
  18         if self.obj and hasattr(self.obj, self.attrName):
  19             tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  20             tc.SetValue(str(getattr(self.obj, self.attrName)))
  21         return true
  22
  23     def TransferFromWindow(self):
  24         if self.obj and self.attrName:
  25             tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  26             text = tc.GetValue()
  27             setattr(self.obj, self.attrName, string.atof(text))
  28         return true
  29
  30
  31     def Validate(self, win):
  32         tc = wxPyTypeCast(self.GetWindow(), "wxTextCtrl")
  33         val = tc.GetValue()
  34
  35         for x in val:
  36             if x not in self.numList:
  37                 return false
  38
  39         return true
  40
  41     def OnChar(self, event):
  42         key = event.KeyCode()
  43         if key < WXK_SPACE or key == WXK_DELETE or key > 255:
  44             event.Skip()
  45             return
  46
  47         if chr(key) in self.numList:
  48             event.Skip()
  49             return
  50
  51         if not wxValidator_IsSilent():
  52             wxBell()
  53
  54         # Returning without calling even.Skip eats the event before it
  55         # gets to the text control
  56         return
  57
  58
  59
  60 class MyDialog(wxDialog):
  61     def __init__(self, parent):
  62         wxDialog.__init__(self, parent, -1, "hello")
  63
  64         self.theValue =  555.12
  65         fltValidator = floatValidator(self, "theValue")
  66
  67         Vbox = wxBoxSizer(wxVERTICAL)
  68         Tbox = wxBoxSizer(wxHORIZONTAL)
  69         Tbox.Add(wxStaticText(self, -1, "Initial Balance"), 0, wxALL,5)
  70         Tbox.Add(wxTextCtrl(self, 13, "123.45", validator = fltValidator,
  71                             size=(100, -1)), 0, wxALL,5)
  72
  73         Vbox.Add(Tbox, 0, 0)
  74
  75         Tbox = wxBoxSizer(wxHORIZONTAL)
  76         Tbox.Add(wxButton(self, wxID_OK, "Ok"), 0, wxALL,5)
  77         Tbox.Add(wxButton(self, wxID_CANCEL, "Cancel"), 0, wxALL,5)
  78
  79         Vbox.Add(Tbox, 0, 0)
  80
  81         self.SetAutoLayout(true)
  82         self.SetSizer(Vbox)
  83         Vbox.Fit(self)
  84
  85
  86 class TestFrame(wxFrame):
  87     def __init__(self, parent):
  88         wxFrame.__init__(self, parent, -1, "Testing...", size=(150,75))
  89         wxButton(self, 25, "Click Me")
  90         EVT_BUTTON(self, 25, self.OnClick)
  91
  92
  93     def OnClick(self, event):
  94         dlg = MyDialog(self)
  95         dlg.ShowModal()
  96         print dlg.theValue
  97         dlg.Destroy()
  98
  99
 100
 101 app = wxPySimpleApp()
 102 frame = TestFrame(None)
 103 frame.Show(true)
 104 app.MainLoop()
 105
 106
 107
 108