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[ASDataController] If app code issues edit commands before first reload, ignore them, as UIKit will call -reloadData.

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This commit is contained in:
Scott Goodson
2016-03-05 20:22:18 -08:00
parent 354ccf3e5f
commit cc7ca4a08f
4 changed files with 66 additions and 47 deletions
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48
AsyncDisplayKit/Private/ASMultidimensionalArrayUtils.mm
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@@ -16,7 +16,8 @@ static void ASRecursivelyUpdateMultidimensionalArrayAtIndexPaths(NSMutableArray
NSUInteger &curIdx,
NSIndexPath *curIndexPath,
const NSUInteger dimension,
void (^updateBlock)(NSMutableArray *arr, NSIndexSet *indexSet, NSUInteger idx)) {
void (^updateBlock)(NSMutableArray *arr, NSIndexSet *indexSet, NSUInteger idx))
{
if (curIdx == indexPaths.count) {
return;
}
@@ -38,7 +39,8 @@ static void ASRecursivelyUpdateMultidimensionalArrayAtIndexPaths(NSMutableArray
}
}
static void ASRecursivelyFindIndexPathsForMultidimensionalArray(NSObject *obj, NSIndexPath *curIndexPath, NSMutableArray *res) {
static void ASRecursivelyFindIndexPathsForMultidimensionalArray(NSObject *obj, NSIndexPath *curIndexPath, NSMutableArray *res)
{
if (![obj isKindOfClass:[NSArray class]]) {
[res addObject:curIndexPath];
} else {
@@ -51,7 +53,8 @@ static void ASRecursivelyFindIndexPathsForMultidimensionalArray(NSObject *obj, N
#pragma mark - Public Methods
NSObject<NSCopying> *ASMultidimensionalArrayDeepMutableCopy(NSObject<NSCopying> *obj) {
NSObject<NSCopying> *ASMultidimensionalArrayDeepMutableCopy(NSObject<NSCopying> *obj)
{
if ([obj isKindOfClass:[NSArray class]]) {
NSArray *arr = (NSArray *)obj;
NSMutableArray * mutableArr = [NSMutableArray arrayWithCapacity:arr.count];
@@ -64,15 +67,18 @@ NSObject<NSCopying> *ASMultidimensionalArrayDeepMutableCopy(NSObject<NSCopying>
return obj;
}
NSMutableArray<NSMutableArray *> *ASTwoDimensionalArrayDeepMutableCopy(NSArray<NSArray *> *array) {
NSMutableArray<NSMutableArray *> *ASTwoDimensionalArrayDeepMutableCopy(NSArray<NSArray *> *array)
{
NSMutableArray *newArray = [NSMutableArray arrayWithCapacity:array.count];
for (NSArray *subarray in array) {
ASDisplayNodeCAssert([subarray isKindOfClass:[NSArray class]], @"This function expects NSArray<NSArray *> *");
[newArray addObject:[subarray mutableCopy]];
}
return newArray;
}
void ASInsertElementsIntoMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths, NSArray *elements) {
void ASInsertElementsIntoMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths, NSArray *elements)
{
ASDisplayNodeCAssert(indexPaths.count == elements.count, @"Inconsistent indexPaths and elements");
if (!indexPaths.count) {
@@ -89,7 +95,8 @@ void ASInsertElementsIntoMultidimensionalArrayAtIndexPaths(NSMutableArray *mutab
ASDisplayNodeCAssert(curIdx == indexPaths.count, @"Indexpath is out of range !");
}
void ASDeleteElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths) {
void ASDeleteElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths)
{
if (!indexPaths.count) {
return;
}
@@ -104,7 +111,8 @@ void ASDeleteElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutable
ASDisplayNodeCAssert(curIdx == indexPaths.count, @"Indexpath is out of range !");
}
NSArray *ASFindElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths) {
NSArray *ASFindElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths)
{
NSUInteger curIdx = 0;
NSIndexPath *indexPath = [[NSIndexPath alloc] init];
NSMutableArray *deletedElements = [[NSMutableArray alloc] initWithCapacity:indexPaths.count];
@@ -122,8 +130,9 @@ NSArray *ASFindElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutab
return deletedElements;
}
NSArray *ASIndexPathsForMultidimensionalArrayAtIndexSet(NSArray *multidimensionalArray, NSIndexSet *indexSet) {
NSMutableArray *res = [[NSMutableArray alloc] initWithCapacity:multidimensionalArray.count];
NSArray *ASIndexPathsForMultidimensionalArrayAtIndexSet(NSArray *multidimensionalArray, NSIndexSet *indexSet)
{
NSMutableArray *res = [NSMutableArray array];
[indexSet enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL *stop) {
ASRecursivelyFindIndexPathsForMultidimensionalArray(multidimensionalArray[idx], [NSIndexPath indexPathWithIndex:idx], res);
}];
@@ -131,9 +140,24 @@ NSArray *ASIndexPathsForMultidimensionalArrayAtIndexSet(NSArray *multidimensiona
return res;
}
NSArray *ASIndexPathsForMultidimensionalArray(NSArray *multidimensionalArray) {
NSMutableArray *res = [NSMutableArray arrayWithCapacity:multidimensionalArray.count];
NSArray *ASIndexPathsForTwoDimensionalArray(NSArray <NSArray *>* twoDimensionalArray)
{
NSMutableArray *result = [NSMutableArray array];
NSUInteger section = 0;
for (NSArray *subarray in twoDimensionalArray) {
ASDisplayNodeCAssert([subarray isKindOfClass:[NSArray class]], @"This function expects NSArray<NSArray *> *");
NSUInteger itemCount = subarray.count;
for (int item = 0; item < itemCount; item++) {
[result addObject:[NSIndexPath indexPathForItem:item inSection:section]];
}
section++;
}
return result;
}
NSArray *ASIndexPathsForMultidimensionalArray(NSArray *multidimensionalArray)
{
NSMutableArray *res = [NSMutableArray array];
ASRecursivelyFindIndexPathsForMultidimensionalArray(multidimensionalArray, [[NSIndexPath alloc] init], res);
return res;
}