132 lines
4.7 KiB
Objective-C
132 lines
4.7 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 "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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NSMutableArray *tobeRemoved = [[NSMutableArray alloc] init];
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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[@"type"];
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NSString *viewId = val[@"id"];
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DoricViewNode *node = self.children[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[viewId] = node;
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} else {
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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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[tobeRemoved removeObject:node];
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}
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DoricViewNode *old = i >= self.indexedChildren.count ? nil : self.indexedChildren[i];
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if (old && old != node) {
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[old.view removeFromSuperview];
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self.indexedChildren[i] = [NSNull null];
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[tobeRemoved addObject:old];
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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[@"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[i] == [NSNull null]) {
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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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NSInteger start = i;
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while (start < self.indexedChildren.count) {
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DoricViewNode *node = self.indexedChildren[(NSUInteger) start];
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if (node) {
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[self.children removeObjectForKey:node.viewId];
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[node.view removeFromSuperview];
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[tobeRemoved removeObject:node];
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}
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start++;
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}
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if (i < self.indexedChildren.count) {
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[self.indexedChildren removeObjectsInRange:NSMakeRange((NSUInteger) i, self.indexedChildren.count - i)];
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}
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for (DoricViewNode *node in tobeRemoved) {
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[self.children removeObjectForKey:node.viewId];
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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[@"margin"];
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if (margin) {
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marginParams.margin.top = [(NSNumber *) margin[@"top"] floatValue];
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marginParams.margin.left = [(NSNumber *) margin[@"left"] floatValue];
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marginParams.margin.right = [(NSNumber *) margin[@"right"] floatValue];
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marginParams.margin.bottom = [(NSNumber *) margin[@"bottom"] floatValue];
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}
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}
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}
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@end
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