IGListKit/Examples/Examples-iOS/IGListKitExamples/SectionControllers/PostSectionController.m
Ryan Nystrom 3102852ce2 Remove IGListSectionType
Summary:
Removing the `IGListSectionType` protocol and adding default implementations into `IGListSectionController`.

- `numberOfItems` returns 1
- `cellForItemAtIndex:` asserts (have to return a cell)
- `didUpdateToObject:` no-ops
- `didSelectItemAtIndex:` no-ops

Fixes #168

Reviewed By: jessesquires

Differential Revision: D4909585

fbshipit-source-id: 8816702504e3fc0683868914ff4dd20e4af7c166
2017-04-19 08:26:30 -07:00

72 lines
2.2 KiB
Objective-C

/**
Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
The examples provided by Facebook are for non-commercial testing and evaluation
purposes only. Facebook reserves all rights not expressly granted.
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
FACEBOOK 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.
*/
#import "PostSectionController.h"
#import "Post.h"
#import "PhotoCell.h"
#import "InteractiveCell.h"
#import "CommentCell.h"
#import "UserInfoCell.h"
static NSInteger cellsBeforeComments = 3;
@implementation PostSectionController {
Post *_post;
}
#pragma mark - IGListSectionController Overrides
- (NSInteger)numberOfItems {
return cellsBeforeComments + _post.comments.count;
}
- (CGSize)sizeForItemAtIndex:(NSInteger)index {
const CGFloat width = self.collectionContext.containerSize.width;
CGFloat height;
if (index == 0 || index == 2) {
height = 41.0;
} else if (index == 1) {
height = width; // square
} else {
height = 25.0;
}
return CGSizeMake(width, height);
}
- (UICollectionViewCell *)cellForItemAtIndex:(NSInteger)index {
Class cellClass;
if (index == 0) {
cellClass = [UserInfoCell class];
} else if (index == 1) {
cellClass = [PhotoCell class];
} else if (index == 2) {
cellClass = [InteractiveCell class];
} else {
cellClass = [CommentCell class];
}
id cell = [self.collectionContext dequeueReusableCellOfClass:cellClass forSectionController:self atIndex:index];
if ([cell isKindOfClass:[CommentCell class]]) {
[(CommentCell *)cell setComment:_post.comments[index - cellsBeforeComments]];
} else if ([cell isKindOfClass:[UserInfoCell class]]) {
[(UserInfoCell *)cell setName:_post.username];
}
return cell;
}
- (void)didUpdateToObject:(id)object {
_post = object;
}
@end