Last active
August 29, 2015 14:02
-
-
Save andreacremaschi/0aeeea12fa66ca1fbf78 to your computer and use it in GitHub Desktop.
ACPageViewController
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
A PageViewController subclass with a configuration block and scroll handling. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// ACPageViewController.h | |
// | |
// Created by Andrea Cremaschi on 09/04/14. | |
// Copyright (c) 2014 midapp. All rights reserved. | |
// | |
#import <UIKit/UIKit.h> | |
typedef UIViewController*(^PageViewControllerConfigurationBlock)(int pageNumber); | |
@interface ACPageViewController : UIPageViewController | |
@property (strong) PageViewControllerConfigurationBlock pageViewControllerConfigurationBlock; | |
@property int currentPage; | |
@end | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// PageViewController.m | |
// duczogno | |
// | |
// Created by Andrea Cremaschi on 09/04/14. | |
// Copyright (c) 2014 midapp. All rights reserved. | |
// | |
#import "ACPageViewController.h" | |
#import "UIViewController+PageViewController.h" | |
@interface ACPageViewController () <UIPageViewControllerDataSource, UIPageViewControllerDelegate, UIScrollViewDelegate> | |
@end | |
@implementation ACPageViewController | |
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil | |
{ | |
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; | |
if (self) { | |
// Custom initialization | |
} | |
return self; | |
} | |
-(UIScrollView*)scrollView { | |
for (UIView *view in self.view.subviews) { | |
if ([view isKindOfClass:[UIScrollView class]]) { | |
return (UIScrollView*)view; | |
} | |
} | |
return nil; | |
} | |
- (UIViewController*)viewControllerAtIndex: (int) index { | |
UIViewController *pageVC; | |
if (self.pageViewControllerConfigurationBlock) { | |
pageVC = self.pageViewControllerConfigurationBlock(index); | |
// TODO: if the pageVC.view's contains a scrollview, its delegate must be setted to self | |
// schedaVC.scrollViewDelegate= self; | |
} else { | |
pageVC = [UIViewController new]; | |
} | |
pageVC.pageIndex = index; | |
return pageVC; | |
} | |
- (void)viewDidLoad | |
{ | |
[super viewDidLoad]; | |
// imposta il delegato della scrollview | |
[[self scrollView] setDelegate:self]; | |
// Elimina la tap gesture recognizer perché interferisce con lo scroll della pagina | |
UIGestureRecognizer* tapRecognizer = nil; | |
for (UIGestureRecognizer* recognizer in self.gestureRecognizers) { | |
if ( [recognizer isKindOfClass:[UITapGestureRecognizer class]] ) { | |
tapRecognizer = recognizer; | |
break; | |
} | |
} | |
if ( tapRecognizer ) { | |
[self.view removeGestureRecognizer:tapRecognizer]; | |
} | |
self.dataSource = self; | |
self.delegate = self; | |
UIViewController *vc = [self viewControllerAtIndex: self.currentPage]; | |
[self setViewControllers: @[vc] | |
direction: UIPageViewControllerNavigationDirectionForward | |
animated: YES | |
completion:nil]; | |
} | |
- (void)didReceiveMemoryWarning | |
{ | |
[super didReceiveMemoryWarning]; | |
// Dispose of any resources that can be recreated. | |
} | |
#pragma mark - UIPageViewControllerDatasource | |
-(UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController { | |
int curIndex = viewController.pageIndex; | |
return [self viewControllerAtIndex:curIndex +1]; | |
} | |
-(UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController { | |
int curIndex = viewController.pageIndex; | |
if (curIndex == 0) return nil; | |
return [self viewControllerAtIndex:curIndex -1]; | |
} | |
#pragma mark - UIScrollViewDelegate | |
-(void)scrollViewWillBeginDragging:(UIScrollView *)scrollView { | |
if (scrollView != [self scrollView]) { | |
[[self scrollView] setScrollEnabled: NO]; | |
} else { | |
UIScrollView *childScrollView = (UIScrollView*)[self.viewControllers.firstObject view]; | |
childScrollView.scrollEnabled = NO; | |
} | |
} | |
-(void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate { | |
[[self scrollView] setScrollEnabled: YES]; | |
UIScrollView *childScrollView = (UIScrollView*)[self.viewControllers.firstObject view]; | |
childScrollView.scrollEnabled = YES; | |
} | |
@end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Pod::Spec.new do |s| | |
s.name = "ACPageViewController" | |
s.version = "0.0.1" | |
s.summary = "A PageViewController subclass with a configuration block and scroll handling." | |
s.description = <<-DESC | |
DESC | |
s.homepage = "https://gist.github.com/andreacremaschi/0aeeea12fa66ca1fbf78" | |
# s.license = "MIT" | |
s.license = { :type => "MIT", :file => "LICENSE" } | |
s.author = { "Andrea Cremaschi" => "[email protected]" } | |
s.platform = :ios, "5.0" | |
s.source = { :git => "https://gist.github.com/0aeeea12fa66ca1fbf78.git", :tag => "0.0.1" } | |
s.source_files = "*.{h,m}" | |
s.public_header_files = "ACPageViewController.h" | |
s.requires_arc = true | |
end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
The MIT License (MIT) | |
Copyright (c) [year] [fullname] | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is | |
furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in all | |
copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
SOFTWARE. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// UIViewController+PageViewController.h | |
// duczogno | |
// | |
// Created by Andrea Cremaschi on 09/04/14. | |
// Copyright (c) 2014 midapp. All rights reserved. | |
// | |
#import <UIKit/UIKit.h> | |
@interface UIViewController (PageViewController) | |
@property int pageIndex; | |
@end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// UIViewController+PageViewController.m | |
// duczogno | |
// | |
// Created by Andrea Cremaschi on 09/04/14. | |
// Copyright (c) 2014 midapp. All rights reserved. | |
// | |
#import "UIViewController+PageViewController.h" | |
#import <objc/runtime.h> | |
static char kViewControllerIndexKey; | |
@implementation UIViewController (PageViewController) | |
- (int)pageIndex { | |
#pragma clang diagnostic push | |
#pragma clang diagnostic ignored "-Wgnu" | |
NSNumber* pageIndexNumber = objc_getAssociatedObject(self, &kViewControllerIndexKey); | |
#pragma clang diagnostic pop | |
return pageIndexNumber.intValue; | |
} | |
- (void)setPageIndex:(int)imageCache { | |
objc_setAssociatedObject(self, &kViewControllerIndexKey, @(imageCache), OBJC_ASSOCIATION_RETAIN_NONATOMIC); | |
} | |
@end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment