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iOS: Add DoricFlexLayout to DoricLayouts

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This commit is contained in:
pengfei.zhou
2022-09-05 15:52:47 +08:00
committed by osborn
parent 390ef52632
commit 8e22108cc9
4 changed files with 165 additions and 90 deletions
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93
doric-iOS/Pod/Classes/Shader/DoricFlexNode.m
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@@ -20,56 +20,19 @@
#import <YogaKit/UIView+Yoga.h>
#import "DoricFlexNode.h"
#import "DoricExtensions.h"
#import "UIView+Yoga.h"
#import <YogaKit/UIView+Yoga.h>
@interface DoricFlexView : UIView
@end
@implementation DoricFlexView
- (CGSize)sizeThatFits:(CGSize)size {
for (UIView *view in self.subviews) {
[view.doricLayout measure:size];
[view configureLayoutWithBlock:^(YGLayout *layout) {
layout.isEnabled = YES;
if (view.doricLayout.undefined) {
return;
}
if (layout.width.unit == YGUnitUndefined
|| layout.width.unit == YGUnitAuto) {
layout.width = YGPointValue(view.doricLayout.measuredWidth);
}
if (layout.height.unit == YGUnitUndefined
|| layout.height.unit == YGUnitAuto) {
layout.height = YGPointValue(view.doricLayout.measuredHeight);
}
}];
}
if (self.yoga.isLeaf) {
return CGSizeZero;
}
YGValue maxWidth = self.yoga.maxWidth;
YGValue maxHeight = self.yoga.maxHeight;
if (maxWidth.unit == YGUnitPoint) {
self.yoga.maxWidth = YGPointValue(MIN(maxWidth.value, size.width));
} else {
self.yoga.maxWidth = YGPointValue(size.width);
}
if (maxHeight.unit == YGUnitPoint) {
self.yoga.maxHeight = YGPointValue(MIN(maxHeight.value, size.height));
} else {
self.yoga.maxHeight = YGPointValue(size.height);
}
CGSize ret = [self.yoga intrinsicSize];
self.yoga.maxWidth = maxWidth;
self.yoga.maxHeight = maxHeight;
return ret;
}
@end
@implementation DoricFlexNode
- (UIView *)build {
return [[DoricFlexView new] also:^(DoricFlexView *it) {
it.clipsToBounds = YES;
it.doricLayout.layoutType = DoricFlexLayout;
[it configureLayoutWithBlock:^(YGLayout *_Nonnull layout) {
layout.isEnabled = YES;
}];
@@ -78,6 +41,7 @@ - (UIView *)build {
- (void)blendView:(UIView *)view forPropName:(NSString *)name propValue:(id)prop {
if ([name isEqualToString:@"flexConfig"]) {
view.doricLayout.flexConfig = prop;
[self blendYoga:view.yoga from:prop];
} else {
[super blendView:view forPropName:name propValue:prop];
@@ -94,6 +58,7 @@ - (void)afterBlended:(NSDictionary *)props {
viewNode.view.yoga.width = YGValueAuto;
viewNode.view.yoga.height = YGValueAuto;
}
viewNode.view.yoga.isEnabled = YES;
}];
}
@@ -101,7 +66,6 @@ - (void)blendSubNode:(DoricViewNode *)subNode flexConfig:(NSDictionary *)flexCon
[subNode.view configureLayoutWithBlock:^(YGLayout *_Nonnull layout) {
layout.isEnabled = YES;
}];
subNode.view.doricLayout.disabled = YES;
subNode.view.yoga.width = YGValueAuto;
subNode.view.yoga.height = YGValueAuto;
[self blendYoga:subNode.view.yoga from:flexConfig];
@@ -243,53 +207,4 @@ - (YGValue)translateYGValueFromProperty:(id)prop {
return YGValueAuto;
}
}
- (void)requestLayout {
if (self.view.doricLayout.widthSpec != DoricLayoutFit) {
self.view.yoga.width = YGPointValue(self.view.width);
}
if (self.view.doricLayout.heightSpec != DoricLayoutFit) {
self.view.yoga.height = YGPointValue(self.view.height);
}
if (![self.superNode isKindOfClass:DoricFlexNode.class]) {
self.view.yoga.margin = YGValueZero;
self.view.yoga.marginLeft = YGValueZero;
self.view.yoga.marginRight = YGValueZero;
self.view.yoga.marginTop = YGValueZero;
self.view.yoga.marginBottom = YGValueZero;
self.view.yoga.marginStart = YGValueZero;
self.view.yoga.marginEnd = YGValueZero;
self.view.yoga.marginVertical = YGValueZero;
self.view.yoga.marginHorizontal = YGValueZero;
CGSize size = self.view.yoga.intrinsicSize;
if (self.view.yoga.maxWidth.unit != YGUnitPoint
|| (self.view.yoga.maxWidth.unit == YGUnitPoint && self.view.yoga.maxWidth.value > size.width)) {
self.view.yoga.maxWidth = YGValueUndefined;
}
if (self.view.yoga.maxHeight.unit != YGUnitPoint
|| (self.view.yoga.maxHeight.unit == YGUnitPoint && self.view.yoga.maxHeight.value > size.height)) {
self.view.yoga.maxHeight = YGValueUndefined;
}
}
[self.view.yoga applyLayoutPreservingOrigin:YES];
/// Need layout again.
for (UIView *view in self.view.subviews) {
if ([view isKindOfClass:[DoricFlexView class]]) {
continue;
}
if (view.doricLayout.undefined) {
continue;
}
if (view.doricLayout.measuredWidth != view.width || view.doricLayout.measuredHeight != view.height) {
view.doricLayout.widthSpec = DoricLayoutJust;
view.doricLayout.heightSpec = DoricLayoutJust;
view.doricLayout.width = view.width;
view.doricLayout.height = view.height;
}
view.doricLayout.measuredX = view.left;
view.doricLayout.measuredY = view.top;
[view.doricLayout apply];
}
[super requestLayout];
}
@end