118 lines
3.8 KiB
Objective-C
118 lines
3.8 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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// DoricStackNode.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 "DoricStackNode.h"
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#import "DoricUtil.h"
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@implementation DoricStackNode
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- (instancetype)init {
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if (self = [super init]) {
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_gravity = 0;
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}
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return self;
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}
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- (void)measureByParent:(DoricGroupNode *)parent {
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DoricLayoutDesc widthSpec = self.layoutParams.width;
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DoricLayoutDesc heightSpec = self.layoutParams.height;
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CGFloat maxWidth = 0, maxHeight = 0;
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for (DoricViewNode *child in self.indexedChildren) {
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[child measureByParent:self];
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CGFloat placeWidth = child.measuredWidth;
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CGFloat placeHeight = child.measuredHeight;
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maxWidth = MAX(maxWidth, placeWidth);
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maxHeight = MAX(maxHeight, placeHeight);
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}
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self.desiredWidth = maxWidth;
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self.desiredHeight = maxHeight;
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if (widthSpec == LAYOUT_WRAP_CONTENT) {
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self.width = maxWidth;
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}
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if (heightSpec == LAYOUT_WRAP_CONTENT) {
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self.height = maxHeight;
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}
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}
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- (LayoutParams *)generateDefaultLayoutParams {
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return [[StackLayoutParams alloc] init];
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}
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- (void)blendChild:(DoricViewNode *)child layoutConfig:(NSDictionary *)layoutconfig {
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[super blendChild:child layoutConfig:layoutconfig];
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if (![child.layoutParams isKindOfClass:StackLayoutParams.class]) {
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DoricLog(@"blend Stack child error,layout params not match");
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return;
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}
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StackLayoutParams *params = (StackLayoutParams *) child.layoutParams;
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// NSDictionary *margin = [layoutconfig objectForKey:@"margin"];
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// if (margin) {
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// params.margin.top = [(NSNumber *)[margin objectForKey:@"top"] floatValue];
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// params.margin.left = [(NSNumber *)[margin objectForKey:@"left"] floatValue];
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// params.margin.right = [(NSNumber *)[margin objectForKey:@"right"] floatValue];
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// params.margin.bottom = [(NSNumber *)[margin objectForKey:@"bottom"] floatValue];
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// }
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NSNumber *alignment = layoutconfig[@"alignment"];
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if (alignment) {
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params.alignment = [alignment integerValue];
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}
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}
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- (void)layoutByParent:(DoricGroupNode *)parent {
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for (DoricViewNode *child in self.indexedChildren) {
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if (child.layoutParams.width == LAYOUT_MATCH_PARENT) {
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child.width = self.width;
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}
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if (child.layoutParams.height == LAYOUT_MATCH_PARENT) {
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child.height = self.height;
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}
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DoricGravity gravity = self.gravity;
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if ([child.layoutParams isKindOfClass:StackLayoutParams.class]) {
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StackLayoutParams *layoutParams = (StackLayoutParams *) child.layoutParams;
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gravity |= layoutParams.alignment;
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}
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if ((gravity & LEFT) == LEFT) {
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child.left = self.left;
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}
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if ((gravity & RIGHT) == RIGHT) {
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child.right = self.right;
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}
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if ((gravity & TOP) == TOP) {
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child.top = self.top;
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}
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if ((gravity & BOTTOM) == BOTTOM) {
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child.bottom = self.bottom;
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}
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if ((gravity & CENTER_X) == CENTER_X) {
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child.centerX = self.centerX;
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}
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if ((gravity & CENTER_Y) == CENTER_Y) {
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child.centerY = self.centerY;
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}
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[child layoutByParent:self];
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}
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}
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@end
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