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93be894e0c
* Move constrainedSizeForNodeAtIndexPath from the DataSource to the Delegate in ASCollectionView and ASPagerNode * Fix ASPagerNode declaration of dataSource and delegate As ASPagerDataSource does not inherit from ASCollectionDataSource it's not possible to declare it as property. * Update comment
92 lines
2.7 KiB
Objective-C
92 lines
2.7 KiB
Objective-C
//
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// OverviewASPagerNode.m
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// Sample
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//
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// Created by Michael Schneider on 4/17/16.
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#import "OverviewASPagerNode.h"
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#pragma mark - Helper
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static UIColor *OverViewASPagerNodeRandomColor() {
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CGFloat hue = ( arc4random() % 256 / 256.0 ); // 0.0 to 1.0
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CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5; // 0.5 to 1.0, away from white
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CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5; // 0.5 to 1.0, away from black
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return [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1];
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}
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#pragma mark - OverviewASPageNode
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@interface OverviewASPageNode : ASCellNode @end
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@implementation OverviewASPageNode
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- (ASLayout *)calculateLayoutThatFits:(ASSizeRange)constrainedSize
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{
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return [ASLayout layoutWithLayoutableObject:self
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constrainedSizeRange:constrainedSize
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size:constrainedSize.max];
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}
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@end
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#pragma mark - OverviewASPagerNode
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@interface OverviewASPagerNode () <ASPagerDataSource, ASPagerDelegate>
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@property (nonatomic, strong) ASPagerNode *node;
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@property (nonatomic, copy) NSArray *data;
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@end
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@implementation OverviewASPagerNode
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- (instancetype)init
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{
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self = [super init];
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if (self == nil) { return self; }
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_node = [ASPagerNode new];
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_node.dataSource = self;
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_node.delegate = self;
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[self addSubnode:_node];
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return self;
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}
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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_node.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(constrainedSize.max);
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return [ASStaticLayoutSpec staticLayoutSpecWithChildren:@[_node]];
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}
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- (NSInteger)numberOfPagesInPagerNode:(ASPagerNode *)pagerNode
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{
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return 4;
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}
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- (ASCellNodeBlock)pagerNode:(ASPagerNode *)pagerNode nodeBlockAtIndex:(NSInteger)index
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{
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return ^{
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ASCellNode *cellNode = [OverviewASPageNode new];
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cellNode.backgroundColor = OverViewASPagerNodeRandomColor();
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return cellNode;
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};
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}
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@end
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