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iOS:fetch batchedItems move to previous until not empty

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pengfei.zhou 2020-04-22 11:27:28 +08:00 committed by osborn
parent 56d5646d65
commit bce9350959
1 changed files with 11 additions and 4 deletions
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15
doric-iOS/Pod/Classes/Shader/DoricListNode.m
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@ -169,17 +169,24 @@ - (NSDictionary *)itemModelAt:(NSUInteger)position {
if (viewId && viewId.length > 0) { if (viewId && viewId.length > 0) {
return [self subModelOf:viewId]; return [self subModelOf:viewId];
} else { } else {
DoricAsyncResult *result = [self callJSResponse:@"renderBunchedItems", @(position), @(self.batchCount), nil]; NSInteger batchCount = self.batchCount;
NSInteger start = position;
while (start > 0 && self.itemViewIds[@(start - 1)] == nil) {
start--;
batchCount++;
}
DoricAsyncResult *result = [self callJSResponse:@"renderBunchedItems", @(start), @(batchCount), nil];
JSValue *models = [result waitUntilResult]; JSValue *models = [result waitUntilResult];
NSArray *array = [models toArray]; NSArray *array = [models toArray];
[array enumerateObjectsUsingBlock:^(NSDictionary *obj, NSUInteger idx, BOOL *stop) { [array enumerateObjectsUsingBlock:^(NSDictionary *obj, NSUInteger idx, BOOL *stop) {
NSString *thisViewId = obj[@"id"]; NSString *thisViewId = obj[@"id"];
[self setSubModel:obj in:thisViewId]; [self setSubModel:obj in:thisViewId];
NSUInteger pos = position + idx; NSUInteger pos = start + idx;
self.itemViewIds[@(pos)] = thisViewId; self.itemViewIds[@(pos)] = thisViewId;
}]; }];
if (array.count > 0) { NSString *viewId = self.itemViewIds[@(position)];
return array[0]; if (viewId && viewId.length > 0) {
return [self subModelOf:viewId];
} else { } else {
return nil; return nil;
} }