Performance of NSArrayController update with Display Pattern bindings
Performance of NSArrayController update with Display Pattern bindings
- Subject: Performance of NSArrayController update with Display Pattern bindings
- From: Grant Christensen <email@hidden>
- Date: Fri, 22 Jan 2010 23:10:51 +1000
Hi all,
Are their any known performance limitations with display pattern bindings when updating the data in the underlying arraycontroller?
I have two fields in a table that use them, and they concatenate three values together, so each of the two fields is using three display patterns with a concatenation of:
%{value1}@ - %{value2}@ - %{value3}@
I have around rows in the table, and when I call out to update the data again, I remove all rows and re-insert all rows using:
[[self mutableArrayValueForKey:@"mutArray"] removeAllObjects];
[[self mutableArrayValueForKey:@"pilots"] addObjectsFromArray:arr];
It hangs each time I do the update if I have the display pattern bindings. If I remove them, no problem. Anyone experienced this before?
regards,
---
Grant Christensen
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