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Handle supplementary node generation during insertion of new section

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This commit is contained in:
Levi McCallum
2015-10-06 12:02:28 -07:00
parent 2cc55513a4
commit e1ea2d2151
1 changed files with 18 additions and 2 deletions
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20
AsyncDisplayKit/Details/ASCollectionDataController.mm
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@@ -78,12 +78,28 @@
- (void)prepareInsertSections:(NSIndexSet *)sections
{
// TODO: Implement
NSArray *elementKinds = [self.collectionDataSource supplementaryNodeKindsInDataController:self];
[elementKinds enumerateObjectsUsingBlock:^(NSString *kind, NSUInteger idx, BOOL *stop) {
LOG(@"Populating elements of kind: %@, for sections: %@", kind, sections);
NSMutableArray *nodes = [NSMutableArray array];
NSMutableArray *indexPaths = [NSMutableArray array];
[self _populateSupplementaryNodesOfKind:kind withSections:sections mutableNodes:nodes mutableIndexPaths:indexPaths];
_pendingNodes[kind] = nodes;
_pendingIndexPaths[kind] = indexPaths;
}];
}
- (void)willInsertSections:(NSIndexSet *)sections
{
// TODO: Implement
[_pendingNodes enumerateKeysAndObjectsUsingBlock:^(NSString *kind, NSMutableArray *nodes, BOOL *stop) {
NSMutableArray *sectionArray = [NSMutableArray arrayWithCapacity:sections.count];
for (NSUInteger i = 0; i < sections.count; i++) {
[sectionArray addObject:[NSMutableArray array]];
}
[self insertSections:sectionArray ofKind:kind atIndexSet:sections completion:nil];
[self batchLayoutNodes:nodes ofKind:kind atIndexPaths:_pendingIndexPaths[kind] completion:nil];
}];
}
- (void)willDeleteSections:(NSIndexSet *)sections