dabo Commit
Revision 6491
Date: 2011-03-04 13:40:34 -0800 (Fri, 04 Mar 2011)
Author: Ed
Trac: http://trac.dabodev.com/changeset/6491
Changed:
U trunk/dabo/ui/dDataControlMixinBase.py
Log:
The DataSource property can now be set to a callable, which will be evaluated
each time the property is accessed. This makes it possible to have a dynamic
DataSource.
Diff:
Modified: trunk/dabo/ui/dDataControlMixinBase.py
===================================================================
--- trunk/dabo/ui/dDataControlMixinBase.py 2011-03-04 21:12:57 UTC (rev
6490)
+++ trunk/dabo/ui/dDataControlMixinBase.py 2011-03-04 21:40:34 UTC (rev
6491)
@@ -417,7 +417,7 @@
self._SaveRestoreValue = bool(value)
- def _getSrc(self):
+ def _getSource(self):
if self.__src is None:
ds = self.DataSource
self._srcIsBizobj = False
@@ -463,6 +463,10 @@
form =
form.Form
if self.__src:
self._srcIsBizobj = True
+ elif callable(ds):
+ # Instead of a fixed source, call the
function to determine the source.
+ # We *don't* want to store the result
in self.__src!
+ return ds()
else:
# It's an object reference
self.__src = ds
@@ -496,7 +500,7 @@
bound to a dataSource and you want to persist the
value, as in
an options dialog. Default=False. (bool)""") )
- Source = property(_getSrc, None, None,
+ Source = property(_getSource, None, None,
_("Reference to the object to which this control's
Value is bound (object)") )
Value = property(None, None, None,
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