Delays in tableviews using predicates
Delays in tableviews using predicates
- Subject: Delays in tableviews using predicates
- From: Erwan Ripoll <email@hidden>
- Date: Fri, 1 Sep 2006 23:23:15 +0200
Hi all.
I'm building a CoreData application managing customer relations.
My UI consists of a tableview presenting a list of manual groups of
people and "smart groups", and of a main tableview listing the people
members of these groups according to which group is selected (pretty
much like the iTunes playlists/songs UI).
A searchfield in the toolbar uses simple predicates to search the
whole people database (about 2000 records).
Here are my two questions :
- whenever a search is launched from the NSSearchfield, it takes up
to 3 seconds for the main tableview to refresh. Is there any way to
track the beginning and end of the search in order to inform the user
accordingly (like the chasing arrows in the Finder search) ?
- a more complicated issue : when the selection changes in the group
view, it takes a rather short time for the main view to refresh
accordingly. However, when a person is dragged and dropped from the
main table to a group, the whole refreshing becomes much slower, and
slower after each drop... any idea ?
Erwan Ripoll
email@hidden
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