Make sure non editable FloatField text is not escaped.

FloatField.format_value should not fail if value is None.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11870 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/FormulatorPatch.py

@@ -1041,6 +1041,7 @@ class FloatWidget(TextWidget):
           if percent:
             value += '%'
           return value.strip()
+        return ''
 
     def render(self, field, key, value, REQUEST):
         """Render Float input field
@@ -1081,7 +1082,10 @@ class FloatWidget(TextWidget):
         if extra not in (None, ''):
           value = "<div %s>%s</div>" % (extra, value)
 
-        return TextWidgetInstance.render_view(field, value)
+        css_class = field.get_value('css_class')
+        if css_class not in ('', None):
+          return "<span class='%s'>%s</span>" % (css_class, value)
+        return value
 
     def render_pdf(self, field, value):
         """Render the field as PDF."""