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set view hierarchy lazily（布局计算完成后再设置视图层级） #4

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set view hierarchy lazily（布局计算完成后再设置视图层级） #4

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22 changes: 1 addition & 21 deletions Source/Core/Public/UIView+ZDFlexLayout.m
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Original file line number Diff line number Diff line change
Expand Up @@ -124,15 +124,7 @@ - (void)removeChild:(ZDFlexLayoutView)child {
}

[self.children removeObject:child];

if ([child isKindOfClass:UIView.class]) {
[(UIView *)child removeFromSuperview];
}
else {
[child.children enumerateObjectsWithOptions:NSEnumerationReverse usingBlock:^(ZDFlexLayoutView _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[child removeChild:obj];
}];
}


child.parent = nil;
child.owningView = nil;
Expand Down Expand Up @@ -164,18 +156,6 @@ - (void)insertChild:(ZDFlexLayoutView)child atIndex:(NSInteger)index {
[self.children insertObject:child atIndex:mapedIndex];
child.parent = self;
child.owningView = self;

if ([child isKindOfClass:UIView.class]) {
[self insertSubview:(UIView *)child atIndex:mapedIndex];
}
else {
for (ZDFlexLayoutView childChild in child.children) {
childChild.owningView = self;
if ([childChild isKindOfClass:UIView.class]) {
[self insertSubview:(UIView *)childChild atIndex:mapedIndex++];
}
}
}
}

- (void)removeFromParent {
Expand Down
22 changes: 22 additions & 0 deletions Source/Core/Public/ZDFlexLayout.m
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Original file line number Diff line number Diff line change
Expand Up @@ -502,6 +502,28 @@ static void YGApplyLayoutToViewHierarchy(ZDFlexLayoutView view, BOOL preserveOri
[view needReApplyLayoutAtNextRunloop];
}
}

ZDResetViewHierarchy(view);
}

/// lazy set view tree
static void ZDResetViewHierarchy(ZDFlexLayoutView view)
{
if (!view) {
return;
}

UIView *superView = [view isKindOfClass:UIView.self] ? (UIView *)view : view.owningView;
NSCAssert(superView != nil, @"view can't be nil");

for (ZDFlexLayoutView child in view.children) {
if ([child isKindOfClass:UIView.self]) {
[superView addSubview:(UIView *)child];
}
else {
ZDResetViewHierarchy(child);
}
}
}

static void ZD_Dispatch_sync_on_main_queue(dispatch_block_t block)
Expand Down
43 changes: 11 additions & 32 deletions Source/Core/Public/ZDFlexLayoutDiv.m
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -50,15 +50,6 @@ - (void)removeChild:(ZDFlexLayoutView)child {

[self.children removeObject:child];

if ([child isKindOfClass:UIView.class]) {
[(UIView *)child removeFromSuperview];
}
else {
[child.children enumerateObjectsWithOptions:NSEnumerationReverse usingBlock:^(ZDFlexLayoutView _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[child removeChild:obj];
}];
}

child.parent = nil;
}

Expand Down Expand Up @@ -88,18 +79,6 @@ - (void)insertChild:(ZDFlexLayoutView)child atIndex:(NSInteger)index {
[self.children insertObject:child atIndex:mapedIndex];
child.parent = self;
child.owningView = _owningView;

if ([child isKindOfClass:UIView.class]) {
[_owningView insertSubview:(UIView *)child atIndex:mapedIndex];
}
else {
for (ZDFlexLayoutView childChild in child.children) {
childChild.owningView = child.owningView;
if ([childChild isKindOfClass:UIView.class]) {
[_owningView insertSubview:(UIView *)childChild atIndex:mapedIndex++];
}
}
}
}

- (void)removeFromParent {
Expand Down Expand Up @@ -193,17 +172,17 @@ - (void)addChildSubviews:(ZDFlexLayoutView)child {

child.owningView = _owningView;

if ([child isKindOfClass:UIView.class]) {
[_owningView addSubview:(UIView *)child];
}
else {
for (ZDFlexLayoutView childChild in child.children) {
childChild.owningView = child.owningView;
if ([childChild isKindOfClass:UIView.class]) {
[_owningView addSubview:(UIView *)childChild];
}
}
}
// if ([child isKindOfClass:UIView.class]) {
// [_owningView addSubview:(UIView *)child];
// }
// else {
// for (ZDFlexLayoutView childChild in child.children) {
// childChild.owningView = child.owningView;
// if ([childChild isKindOfClass:UIView.class]) {
// [_owningView addSubview:(UIView *)childChild];
// }
// }
// }
}

@end