[GRASS-SVN] r42335 - grass/trunk/gui/wxpython/gui_modules

[svn_grass at osgeo.org]

Author: martinl
Date: 2010-05-24 05:23:11 -0400 (Mon, 24 May 2010)
New Revision: 42335

Modified:
   grass/trunk/gui/wxpython/gui_modules/menuform.py
Log:
wxGUI: FloatValidator - skip empty strings


Modified: grass/trunk/gui/wxpython/gui_modules/menuform.py
===================================================================
--- grass/trunk/gui/wxpython/gui_modules/menuform.py	2010-05-24 09:02:23 UTC (rev 42334)
+++ grass/trunk/gui/wxpython/gui_modules/menuform.py	2010-05-24 09:23:11 UTC (rev 42335)
@@ -2095,16 +2095,19 @@
         """Validate input"""
         textCtrl = self.GetWindow()
         text = textCtrl.GetValue()
-        try:
-            float(text)
-        except ValueError:
-            textCtrl.SetBackgroundColour("grey")
-            textCtrl.SetFocus()
-            textCtrl.Refresh()
-            return False
+
+        if text:
+            try:
+                float(text)
+            except ValueError:
+                textCtrl.SetBackgroundColour("grey")
+                textCtrl.SetFocus()
+                textCtrl.Refresh()
+                return False
         
-        textCtrl.SetBackgroundColour(
-            wx.SystemSettings_GetColour(wx.SYS_COLOUR_WINDOW))
+        sysColor = wx.SystemSettings_GetColour(wx.SYS_COLOUR_WINDOW)
+        textCtrl.SetBackgroundColour(sysColor)
+        
         textCtrl.Refresh()
         
         return True