mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-14 21:08:48 +00:00
8855b5156a
Summary: This PR is for #39 - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/CONTRIBUTING.md) Closes https://github.com/Instagram/IGListKit/pull/92 Differential Revision: D4066721 Pulled By: rnystrom fbshipit-source-id: 4fca278ae9a54aa46626932d47d4a4c001b437d6
112 lines
4 KiB
Objective-C
112 lines
4 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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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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#import "IGListSingleSectionController.h"
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#import <IGListKit/IGListAssert.h>
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@interface IGListSingleSectionController ()
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@property (nonatomic, strong, readonly) NSString *nibName;
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@property (nonatomic, strong, readonly) NSBundle *bundle;
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@property (nonatomic, strong, readonly) NSString *identifier;
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@property (nonatomic, strong, readonly) Class cellClass;
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@property (nonatomic, strong, readonly) IGListSingleSectionCellConfigureBlock configureBlock;
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@property (nonatomic, strong, readonly) IGListSingleSectionCellSizeBlock sizeBlock;
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@property (nonatomic, strong) id item;
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@end
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@implementation IGListSingleSectionController
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- (instancetype)initWithCellClass:(Class)cellClass
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configureBlock:(IGListSingleSectionCellConfigureBlock)configureBlock
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sizeBlock:(IGListSingleSectionCellSizeBlock)sizeBlock {
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IGParameterAssert(cellClass != nil);
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IGParameterAssert(configureBlock != nil);
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IGParameterAssert(sizeBlock != nil);
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if (self = [super init]) {
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_cellClass = cellClass;
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_configureBlock = [configureBlock copy];
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_sizeBlock = [sizeBlock copy];
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}
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return self;
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}
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- (instancetype)initWithNibName:(NSString *)nibName
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bundle:(NSBundle *)bundle
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configureBlock:(IGListSingleSectionCellConfigureBlock)configureBlock
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sizeBlock:(IGListSingleSectionCellSizeBlock)sizeBlock {
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IGParameterAssert(nibName != nil);
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IGParameterAssert(configureBlock != nil);
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IGParameterAssert(sizeBlock != nil);
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if (self = [super init]) {
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_nibName = nibName;
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_bundle = bundle;
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_configureBlock = [configureBlock copy];
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_sizeBlock = [sizeBlock copy];
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}
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return self;
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}
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- (instancetype)initWithStoryboardCellIdentifier:(NSString *)identifier
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configureBlock:(IGListSingleSectionCellConfigureBlock)configureBlock
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sizeBlock:(IGListSingleSectionCellSizeBlock)sizeBlock {
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IGParameterAssert(identifier.length > 0);
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IGParameterAssert(configureBlock != nil);
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IGParameterAssert(sizeBlock != nil);
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if (self = [super init]) {
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_identifier = [identifier copy];
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_configureBlock = [configureBlock copy];
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_sizeBlock = [sizeBlock copy];
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}
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return self;
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}
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#pragma mark - IGListSectionType
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- (NSInteger)numberOfItems {
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return 1;
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}
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- (CGSize)sizeForItemAtIndex:(NSInteger)index {
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return self.sizeBlock(self.collectionContext);
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}
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- (UICollectionViewCell *)cellForItemAtIndex:(NSInteger)index {
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IGParameterAssert(index == 0);
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id cell;
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id<IGListCollectionContext> collectionContext = self.collectionContext;
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if ([self.nibName length] > 0) {
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cell = [collectionContext dequeueReusableCellWithNibName:self.nibName
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bundle:self.bundle
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forSectionController:self
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atIndex:index];
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} else if ([self.identifier length] > 0) {
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cell = [collectionContext dequeueReusableCellFromStoryboardWithIdentifier:self.identifier
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forSectionController:self
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atIndex:index];
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} else {
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cell = [collectionContext dequeueReusableCellOfClass:self.cellClass forSectionController:self atIndex:index];
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}
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self.configureBlock(self.item, cell);
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return cell;
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}
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- (void)didUpdateToObject:(id)object {
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self.item = object;
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}
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- (void)didSelectItemAtIndex:(NSInteger)index {
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[self.selectionDelegate didSelectSingleSectionController:self];
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}
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@end
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