114 lines
3.9 KiB
Objective-C
114 lines
3.9 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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// Created by pengfei.zhou on 2019/11/15.
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//
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#import <JavaScriptCore/JavaScriptCore.h>
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#import "DoricListNode.h"
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#import "DoricExtensions.h"
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#import "DoricListItemNode.h"
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@interface DoricListNode () <UITableViewDataSource, UITableViewDelegate>
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@property(nonatomic, strong) NSMutableDictionary <NSNumber *, DoricListItemNode *> *tempNodes;
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@property(nonatomic, assign) NSUInteger itemCount;
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@property(nonatomic, assign) NSUInteger batchCount;
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@end
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@implementation DoricListNode
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- (instancetype)initWithContext:(DoricContext *)doricContext {
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if (self = [super initWithContext:doricContext]) {
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_tempNodes = [NSMutableDictionary new];
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_batchCount = 15;
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}
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return self;
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}
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- (UITableView *)build {
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return [[UITableView new] also:^(UITableView *it) {
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it.dataSource = self;
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it.delegate = self;
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}];
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}
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- (void)blendView:(UITableView *)view forPropName:(NSString *)name propValue:(id)prop {
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if ([@"itemCount" isEqualToString:name]) {
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self.itemCount = [prop unsignedIntegerValue];
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} else if ([@"renderItem" isEqualToString:name]) {
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[self.tempNodes removeAllObjects];
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[self clearSubModel];
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} else if ([@"batchCount" isEqualToString:name]) {
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self.batchCount = [prop unsignedIntegerValue];
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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.view reloadData];
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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return self.itemCount;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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NSUInteger position = (NSUInteger) indexPath.row;
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NSDictionary *model = [self itemModelAt:position];
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NSDictionary *props = model[@"props"];
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NSString *reuseId = props[@"identifier"];
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseId];
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if (!cell) {
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cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseId];
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}
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DoricListItemNode *node = self.tempNodes[@(position)];
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node.view = cell;
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[node blend:props];
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return cell;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
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NSUInteger position = (NSUInteger) indexPath.row;
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NSDictionary *model = [self itemModelAt:position];
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return 60;
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}
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- (NSDictionary *)itemModelAt:(NSUInteger)position {
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NSString *viewId = self.tempNodes[@(position)].viewId;
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if (viewId && viewId.length > 0) {
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return [self subModelOf:viewId];
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} else {
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DoricAsyncResult *result = [self callJSResponse:@"renderBunchedItems", @(position), @(self.batchCount), nil];
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JSValue *models = [result waitUntilResult];
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NSArray *array = [models toArray];
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[array enumerateObjectsUsingBlock:^(NSDictionary *obj, NSUInteger idx, BOOL *stop) {
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NSString *thisViewId = obj[@"id"];
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[self setSubModel:obj in:thisViewId];
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NSUInteger pos = position + idx;
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DoricListItemNode *node = [[DoricListItemNode alloc] initWithContext:self.doricContext];
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node.viewId = thisViewId;
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[node initWithSuperNode:self];
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self.tempNodes[@(pos)] = node;
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}];
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return array[0];
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}
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}
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@end
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