140 lines
4.8 KiB
Objective-C
140 lines
4.8 KiB
Objective-C
/*
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* Copyright [2019] [Doric.Pub]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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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 <Doric/DoricExtensions.h>
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#import "DoricGroupNode.h"
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@interface DoricGroupNode ()
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@property(nonatomic, copy) NSArray<DoricViewNode *> *childNodes;
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@property(nonatomic, copy) NSArray <NSString *> *childViewIds;
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@end
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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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_childNodes = @[];
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_childViewIds = @[];
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}
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return self;
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}
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- (UIView *)build {
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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 ([@"children" isEqualToString:name]) {
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self.childViewIds = 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)blend:(NSDictionary *)props {
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[super blend:props];
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[self configChildNodes];
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}
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- (DoricLayoutConfig *)generateDefaultLayoutParams {
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DoricLayoutConfig *params = [[DoricLayoutConfig alloc] init];
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return params;
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}
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- (void)configChildNodes {
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NSMutableArray *childNodes = [self.childNodes mutableCopy];
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for (NSUInteger idx = 0; idx < self.childViewIds.count; idx++) {
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NSString *viewId = self.childViewIds[idx];
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NSDictionary *model = [self subModelOf:viewId];
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NSString *type = model[@"type"];
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if (idx < self.childNodes.count) {
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DoricViewNode *oldNode = childNodes[idx];
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if ([viewId isEqualToString:oldNode.viewId]) {
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///Same,skip
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} else {
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///Find in remain nodes
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NSInteger position = -1;
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for (NSUInteger start = idx + 1; start < childNodes.count; start++) {
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DoricViewNode *node = childNodes[start];
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if ([viewId isEqualToString:node.viewId]) {
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position = start;
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break;
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}
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}
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if (position >= 0) {
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///Found ,swap idx,position
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DoricViewNode *reused = childNodes[(NSUInteger) position];
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[childNodes removeObjectAtIndex:(NSUInteger) position];
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[childNodes removeObjectAtIndex:idx];
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[childNodes insertObject:reused atIndex:idx];
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[childNodes insertObject:oldNode atIndex:(NSUInteger) position];
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///View swap index
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[reused.view removeFromSuperview];
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[oldNode.view removeFromSuperview];
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[self.view insertSubview:reused.view atIndex:idx];
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[self.view insertSubview:oldNode.view atIndex:position];
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} else {
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///Not found,insert
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DoricViewNode *viewNode = [DoricViewNode create:self.doricContext withType:type];
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viewNode.viewId = viewId;
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[viewNode initWithSuperNode:self];
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[viewNode blend:model[@"props"]];
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[childNodes insertObject:viewNode atIndex:idx];
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[self.view insertSubview:viewNode.view atIndex:idx];
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}
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}
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} else {
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/// Insert
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DoricViewNode *viewNode = [DoricViewNode create:self.doricContext withType:type];
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viewNode.viewId = viewId;
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[viewNode initWithSuperNode:self];
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[viewNode blend:model[@"props"]];
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[childNodes addObject:viewNode];
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[self.view addSubview:viewNode.view];
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}
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}
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NSUInteger count = childNodes.count;
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for (NSUInteger idx = self.childViewIds.count; idx < count; idx++) {
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DoricViewNode *viewNode = childNodes.lastObject;
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[childNodes removeLastObject];
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[viewNode.view removeFromSuperview];
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}
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self.childNodes = [childNodes copy];
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}
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- (void)blendSubNode:(NSDictionary *)subModel {
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NSString *viewId = subModel[@"id"];
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[self.childNodes enumerateObjectsUsingBlock:^(DoricViewNode *obj, NSUInteger idx, BOOL *stop) {
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if ([viewId isEqualToString:obj.viewId]) {
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[obj blend:subModel[@"props"]];
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*stop = YES;
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}
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}];
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}
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@end
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