I can see his commits just fine.
The one in question:
Changed:
U trunk/dabo/ui/
dDataControlMixinBase.py
U trunk/dabo/ui/uiwx/dPemMixin.py
Log:
Added data controls on empty data source automatic enable/disable status
handling.
Diff:
Modified: trunk/dabo/ui/dDataControlMixinBase.py
===================================================================
--- trunk/dabo/ui/dDataControlMixinBase.py 2011-08-06 11:38:01 UTC (rev
6746)
+++ trunk/dabo/ui/dDataControlMixinBase.py 2011-08-06 11:48:48 UTC (rev
6747)
@@ -14,6 +14,8 @@
"""Provide common functionality for the data-aware controls."""
def __init__(self, *args, **kwargs):
self._fldValidFailed = False
+ # Control enabling/disabling on empty data source helper
attribute.
+ self._dsDisabled = False
self.__src = self._srcIsBizobj = self._srcIsInstanceMethod =
None
self._designerMode = None
self._oldVal = None
@@ -95,6 +97,17 @@
return None
+ def _verifyEnabledStatus(self, enable):
+ if enable:
+ if self._dsDisabled:
+ self._dsDisabled = False
+ self.Enabled = True
+ else:
+ if not self._dsDisabled:
+ self._dsDisabled = True
+ self.Enabled = False
+
+
def update(self):
"""Update control's value to match the current value from the
source."""
# We need to do the data handling stuff before calling
super()
@@ -117,8 +130,13 @@
self._inDataUpdate = True
try:
self.Value = src.getFieldVal(self.DataField)
- except (TypeError, dException.NoRecordsException):
+ self._verifyEnabledStatus(True)
+ except dException.NoRecordsException:
self.Value = self.getBlankValue()
+ self._verifyEnabledStatus(False)
+ except (TypeError):
+ self.Value = self.getBlankValue()
+ self._verifyEnabledStatus(True)
except dException.FieldNotFoundException:
# See if DataField refers to an attribute of
the bizobj:
att = getattr(src, self.DataField, None)
@@ -126,6 +144,7 @@
self.Value = method()
else:
self.Value = att
+ self._verifyEnabledStatus(True)
self._inDataUpdate = False
else:
if self._srcIsInstanceMethod is None and src is not
None:
Modified: trunk/dabo/ui/uiwx/dPemMixin.py
===================================================================
--- trunk/dabo/ui/uiwx/dPemMixin.py 2011-08-06 11:38:01 UTC (rev 6746)
+++ trunk/dabo/ui/uiwx/dPemMixin.py 2011-08-06 11:48:48 UTC (rev 6747)
@@ -43,6 +43,8 @@
self._transparency = 255
# Time to change transparency
self._transparencyDelay = 0.25
+ # DataControl enabling/disabling helper attribute.
+ self._uiDisabled = False
# There are a few controls that don't yet support 3-way inits
(grid, for
# one). These controls will send the wx classref as the
preClass argument,
@@ -2094,6 +2096,22 @@
def _setEnabled(self, val):
if self._constructed():
+ # Handle DataControl disabling on empty data source.
+ try:
+ inDataUpdate = self._inDataUpdate
+ except AttributeError:
+ inDataUpdate = False
+ if inDataUpdate:
+ if self._uiDisabled:
+ val = False
+ else:
+ self._uiDisabled = not val
+ try:
+ dsDisabled = self._dsDisabled
+ except AttributeError:
+ dsDisabled = False
+ if dsDisabled:
+ val = False
self.Enable(val)
else:
self._properties["Enabled"] = False
2011/8/6 John Fabiani <[email protected]>
> On Saturday, August 06, 2011 12:39:42 pm John Fabiani wrote:
> > Hi,
> > I'm not sure what 6747 actually changes (since I can never see JaceKK
> > commits - I have no idea as to the cause) but it breaks every form I have
> > created - all 60 or so. No errors just everything is gray-ed out or
> > Enabled = False.
> >
> > Johnf
>
> I think I see the problem -
>
> All my forms open with No Records in the primary bizObj - the user provides
> information to retrieve the data before I retrieve data. I still associate
> the DataSource and DataField with a control but when it opens it's not on a
> record. I don't retrieve the record until the user has selected something
> I
> can filter on - mostly a PK.
>
> Johnf
>
[excessive quoting removed by server]
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