components/CollectionCells/examples/CollectionCellsTextWithImageController.m

/*
 Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

#import "supplemental/CollectionCellsTextWithImageController.h"

static NSString *const kReusableIdentifierItem = @"itemCellIdentifier";
static NSString *const kExampleText =
    @"Pellentesque non quam ornare, porta urna sed, malesuada felis. Praesent at gravida felis, "
     "non facilisis enim. Proin dapibus laoreet lorem, in viverra leo dapibus a.";

static const NSUInteger kRowCount = 22;

@implementation CollectionCellsTextWithImageController

- (void)viewDidLoad {
  [super viewDidLoad];

  // Register cell class.
  [self.collectionView registerClass:[MDCCollectionViewTextCell class]
          forCellWithReuseIdentifier:kReusableIdentifierItem];
}

#pragma mark - <UICollectionViewDataSource>

- (NSInteger)collectionView:(UICollectionView *)collectionView
     numberOfItemsInSection:(NSInteger)section {
  return kRowCount;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView
                  cellForItemAtIndexPath:(NSIndexPath *)indexPath {
  MDCCollectionViewTextCell *cell =
      [collectionView dequeueReusableCellWithReuseIdentifier:kReusableIdentifierItem
                                                forIndexPath:indexPath];
  cell.textLabel.text = kExampleText;

  if (indexPath.item % 3 == 2) {
    NSBundle *bundle = [NSBundle bundleForClass:[CollectionCellsTextWithImageController class]];
    UIImage *cellImage =
        [UIImage imageNamed:@"SixtyThreexSixtyThree" inBundle:bundle compatibleWithTraitCollection:nil];
    cell.imageView.image = cellImage;
  } else if (indexPath.item % 3 == 1) {
    NSBundle *bundle = [NSBundle bundleForClass:[CollectionCellsTextWithImageController class]];
    UIImage *cellImage =
        [UIImage imageNamed:@"FortyxForty" inBundle:bundle compatibleWithTraitCollection:nil];
    cell.imageView.image = cellImage;
  } else {
    cell.imageView.image = nil;
  }

  return cell;
}

#pragma mark - <MDCCollectionViewStylingDelegate>

- (CGFloat)collectionView:(UICollectionView *)collectionView
    cellHeightAtIndexPath:(NSIndexPath *)indexPath {
  return MDCCellDefaultOneLineHeight;
}

#pragma mark - CatalogByConvention

+ (NSArray *)catalogBreadcrumbs {
  return @[ @"Collection Cells", @"Cell Text with Image Example" ];
}

+ (BOOL)catalogIsPrimaryDemo {
  return NO;
}

+ (BOOL)catalogIsPresentable {
  return NO;
}

@end