90 lines
2.6 KiB
Objective-C
90 lines
2.6 KiB
Objective-C
//
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// Created by pengfei.zhou on 2019/11/19.
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//
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#import "DoricScrollerNode.h"
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#import "DoricExtensions.h"
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@interface DoricScrollView : UIScrollView
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@end
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@implementation DoricScrollView
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- (void)layoutSubviews {
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[super layoutSubviews];
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if (self.subviews.count > 0) {
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UIView *child = self.subviews[0];
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[self setContentSize:child.frame.size];
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}
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}
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- (CGSize)sizeThatFits:(CGSize)size {
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if (self.subviews.count > 0) {
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UIView *child = self.subviews[0];
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CGSize childSize = [child sizeThatFits:size];
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return CGSizeMake(MIN(size.width, childSize.width), MIN(size.height, childSize.height));
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}
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return CGSizeZero;
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}
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@end
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@interface DoricScrollerNode ()
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@property(nonatomic, strong) DoricViewNode *childNode;
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@property(nonatomic, copy) NSString *childViewId;
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@end
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@implementation DoricScrollerNode
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- (UIScrollView *)build {
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return [DoricScrollView new];
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}
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- (void)blend:(NSDictionary *)props {
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[super blend:props];
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NSDictionary *childModel = [self subModelOf:self.childViewId];
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if (!childModel) {
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return;
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}
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NSString *viewId = childModel[@"id"];
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NSString *type = childModel[@"type"];
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NSDictionary *childProps = childModel[@"props"];
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if (self.childNode) {
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if ([self.childNode.viewId isEqualToString:viewId]) {
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//skip
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} else {
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if (self.reusable && [type isEqualToString:self.childNode.type]) {
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[self.childNode also:^(DoricViewNode *it) {
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it.viewId = viewId;
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[it blend:childProps];
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}];
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} else {
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[self.childNode.view removeFromSuperview];
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self.childNode = [[DoricViewNode create:self.doricContext withType:type] also:^(DoricViewNode *it) {
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it.viewId = viewId;
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[it initWithSuperNode:self];
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[it blend:childProps];
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[self.view addSubview:it.view];
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}];
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}
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}
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} else {
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self.childNode = [[DoricViewNode create:self.doricContext withType:type] also:^(DoricViewNode *it) {
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it.viewId = viewId;
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[it initWithSuperNode:self];
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[it blend:childProps];
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[self.view addSubview:it.view];
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}];
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}
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}
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- (void)blendView:(UIScrollView *)view forPropName:(NSString *)name propValue:(id)prop {
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if ([@"content" isEqualToString:name]) {
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self.childViewId = prop;
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} else {
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[super blendView:view forPropName:name propValue:prop];
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}
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}
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- (void)blendSubNode:(NSDictionary *)subModel {
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[self.childNode blend:subModel];
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}
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@end |