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Add check for willDeleteSections:

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Li Tan 2015-01-22 12:21:30 -08:00
parent 9a49b718f7
commit 8ae063dec8
1 changed files with 2 additions and 0 deletions
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2
AsyncDisplayKit/Details/ASRangeController.mm
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@ -294,7 +294,9 @@
- (void)dataController:(ASDataController *)dataController willDeleteSectionsAtIndexSet:(NSIndexSet *)indexSet withAnimationOption:(ASDataControllerAnimationOptions)animationOption {
ASDisplayNodePerformBlockOnMainThread(^{
if ([_delegate respondsToSelector:@selector(rangeController:willDeleteSectionsAtIndexSet:withAnimationOption:)]) {
[_delegate rangeController:self willDeleteSectionsAtIndexSet:indexSet withAnimationOption:animationOption];
}
});
}