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Clean up supplementary nodes in data controller store on each reload

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This commit is contained in:
Levi McCallum
2015-10-06 09:28:54 -07:00
parent 5839e5bf3e
commit b58649fdcb
3 changed files with 31 additions and 1 deletions
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10
AsyncDisplayKit/Details/ASCollectionDataController.mm
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@@ -47,7 +47,13 @@
- (void)willReloadData
{
[_pendingNodes enumerateKeysAndObjectsUsingBlock:^(NSString *kind, NSMutableArray *nodes, BOOL *stop) {
LOG(@"Batch layout nodes of kind: %@, (%@)", kind, nodes);
// Remove everything that existed before the reload, now that we're ready to insert replacements
NSArray *indexPaths = [self indexPathsForEditingNodesOfKind:kind];
[self deleteNodesOfKind:kind atIndexPaths:indexPaths completion:nil];
NSArray *editingNodes = [self editingNodesOfKind:kind];
NSMutableIndexSet *indexSet = [[NSMutableIndexSet alloc] initWithIndexesInRange:NSMakeRange(0, editingNodes.count)];
[self deleteSectionsOfKind:kind atIndexSet:indexSet completion:nil];
// Insert each section
NSUInteger sectionCount = [self.collectionDataSource dataController:self numberOfSectionsForSupplementaryKind:kind];
@@ -60,6 +66,8 @@
[self batchLayoutNodes:nodes ofKind:kind atIndexPaths:_pendingIndexPaths[kind] completion:^(NSArray *nodes, NSArray *indexPaths) {
[self insertNodes:nodes ofKind:kind atIndexPaths:indexPaths completion:nil];
}];
_pendingNodes[kind] = [NSArray array];
_pendingIndexPaths[kind] = [NSArray array];
}];
}