101 lines
3.6 KiB
Objective-C
101 lines
3.6 KiB
Objective-C
//
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// DoricGroupNode.m
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// Doric
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//
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// Created by pengfei.zhou on 2019/7/30.
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//
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#import "DoricGroupNode.h"
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@implementation DoricGroupNode
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- (instancetype)initWithContext:(DoricContext *)doricContext {
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if(self = [super initWithContext:doricContext]) {
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_children = [[NSMutableDictionary alloc] init];
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_indexedChildren = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (UIView *)build:(NSDictionary *)props {
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UIView *ret = [[UIView alloc] init];
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ret.clipsToBounds = YES;
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return ret;
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}
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- (void)blendView:(UIView *)view forPropName:(NSString *)name propValue:(id)prop {
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if([name isEqualToString:@"children"]) {
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NSArray *array = prop;
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NSInteger i;
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for (i = 0; i< array.count; i++) {
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NSDictionary *val = array[i];
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if (!val || (NSNull *)val == [NSNull null]) {
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continue;
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}
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NSString *type = [val objectForKey:@"type"];
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NSString *viewId = [val objectForKey:@"id"];
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DoricViewNode *node = [self.children objectForKey:viewId];
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if (node == nil) {
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node = [DoricViewNode create:self.doricContext withType:type];
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node.index = i;
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node.parent = self;
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node.viewId = viewId;
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[self.children setObject:node forKey:viewId];
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} else if (i != node.index){
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[self.indexedChildren removeObjectAtIndex:i];
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node.index = i;
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[node.view removeFromSuperview];
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}
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LayoutParams *params = node.layoutParams;
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if (params == nil) {
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params = [self generateDefaultLayoutParams];
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node.layoutParams = params;
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}
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[node blend:[val objectForKey:@"props"]];
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if (self.indexedChildren.count <= i) {
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[self.view addSubview:node.view];
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[self.indexedChildren addObject:node];
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}else if ([self.indexedChildren objectAtIndex:i] == nil) {
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self.indexedChildren[i] = node;
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[self.view insertSubview:node.view atIndex:i];
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}
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}
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while (i < self.view.subviews.count) {
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UIView *view = self.view.subviews[i];
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if (i < self.indexedChildren.count) {
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DoricViewNode *node = [self.indexedChildren objectAtIndex:i];
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if (node && node.view == view) {
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[self.children removeObjectForKey: node.viewId];
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[self.indexedChildren removeObjectAtIndex:i];
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[view removeFromSuperview];
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}
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}
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i++;
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}
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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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- (LayoutParams *)generateDefaultLayoutParams {
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LayoutParams *params = [[LayoutParams alloc] init];
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return params;
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}
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- (void)blendChild:(DoricViewNode *)child layoutConfig:(NSDictionary *)layoutconfig {
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LayoutParams *params = child.layoutParams;
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if ([params isKindOfClass:MarginLayoutParams.class]) {
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MarginLayoutParams *marginParams = (MarginLayoutParams *)params;
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NSDictionary *margin = [layoutconfig objectForKey:@"margin"];
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if (margin) {
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marginParams.margin.top = [(NSNumber *)[margin objectForKey:@"top"] floatValue];
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marginParams.margin.left = [(NSNumber *)[margin objectForKey:@"left"] floatValue];
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marginParams.margin.right = [(NSNumber *)[margin objectForKey:@"right"] floatValue];
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marginParams.margin.bottom = [(NSNumber *)[margin objectForKey:@"bottom"] floatValue];
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}
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}
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}
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@end
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