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fab98b32ef
* Fix pager node and deprecate zeroContentInsets flag * Do it with the visible state callback * There we are * Put viewController in node debug description
82 lines
2.5 KiB
Objective-C
82 lines
2.5 KiB
Objective-C
//
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// ViewController.m
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// Sample
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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 "ViewController.h"
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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#import "PageNode.h"
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static UIColor *randomColor() {
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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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@interface ViewController () <ASPagerNodeDataSource>
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@end
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@implementation ViewController
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- (instancetype)init
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{
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self = [super initWithNode:[[ASPagerNode alloc] init]];
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if (self == nil) {
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return self;
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}
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self.title = @"Pages";
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self.node.dataSource = self;
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self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Next" style:UIBarButtonItemStylePlain target:self action:@selector(scrollToNextPage:)];
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self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Previous" style:UIBarButtonItemStylePlain target:self action:@selector(scrollToPreviousPage:)];
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self.automaticallyAdjustsScrollViewInsets = NO;
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return self;
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}
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#pragma mark - Actions
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- (void)scrollToNextPage:(id)sender
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{
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[self.node scrollToPageAtIndex:self.node.currentPageIndex+1 animated:YES];
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}
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- (void)scrollToPreviousPage:(id)sender
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{
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[self.node scrollToPageAtIndex:self.node.currentPageIndex-1 animated:YES];
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}
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#pragma mark - ASPagerNodeDataSource
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- (NSInteger)numberOfPagesInPagerNode:(ASPagerNode *)pagerNode
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{
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return 5;
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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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PageNode *page = [[PageNode alloc] init];
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page.backgroundColor = randomColor();
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return page;
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};
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}
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@end
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