To close this out...
I figured it out to as good as I think it gets. The key is to call
NSRuleEditor::setCriteria with nil arrays. The nil arrays force it to
go to its data source (which for NSPredicateEditor is the row
templates) to refill. It does reset the row to the initial value, but
I don't really think there is a way around that and I think it is
valid (at least easily rationalized) interface-wise that if you
change the criteria mid edit of a predicate it has to reset in case
your selected option vanished. Not optimal, but oh well.
Example:
[_editor setCriteria:[NSArray array] andDisplayValues:[NSArray array]
forRowAtIndex: 1];
On Dec 8, 2008, at 8:58 PM, Peter Ammon wrote:
On Dec 8, 2008, at 6:37 PM, Guy Umbright wrote:
I am trying to create an NSPredicateEditorRowTemplate with its last
view a popup that contains a list of things (elsewhere in the
window) that can be updated while the editor is being displayed. I
can get it so that I can add an instance of the template, update
the list of items and add another instance which shows the updated
list, but the original does not update.
For example, the original templates specifies A,B,C in the last
popup. I add a row with that template then I add a D to the list
of items and then add another row to the Predicate Editor. This
new row will show me a list of A,B,C,D but the original row still
just shows A,B,C.
Is there a way to resync that existing row with the new list of
items in its source template? Am I going to have to remove and re-
add the row programmatically?
You should call -[NSPredicateEditor setRowTemplates:] with an array
containing the new template (but not the old one). If you want to
preserve the predicate, you may have to save off the predicate via -
objectValue, and then set it back; or alternatively calling
reloadCriteria should work.
-Peter
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