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The custom collectionView layout that can perform reordering of cells by dragging it.
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Assets Modified and fixed some issues Jun 16, 2014
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RACollectionViewReorderableTripletLayout Hotfix:Crash when number of items is 0. Dec 30, 2014
.gitignore remove DS_Store May 31, 2014
LICENSE supported cocoapods Jun 1, 2014
RACollectionViewReorderableTripletLayout.podspec Updated podspec. Dec 30, 2014
README.md Updated README Dec 5, 2014
Rakefile supported cocoapods Jun 1, 2014

README.md

RACollectionViewReorderableTripletLayout

The custom collectionView layout that can perform reordering of cells by dragging it.

I created a new awesome UICollectionView reorderable layout !

Check it out !!

Features

  • Reorder cells by long pressing and dragging it !
  • You can Receive notification to some dragging events.
  • Sorry, has not supported horizontal scroll collection view.
  • Sections two or more are also not supported... Supported !

Please, send me pull request !

Screen shots

screen shot1 screen shot2

Animation

animated gif

Installation

RACollectionViewReorderableTripletLayout is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "RACollectionViewReorderableTripletLayout"

Usage

Add RACollectionViewReorderableTripletLayout to your collection view, then set delegate and datasource.

self.collectionView.delegate = self;
self.collectionView.dataSource = self;

Delegates and Datasource

TripletLayout

- (CGSize)collectionView:(UICollectionView *)collectionView sizeForLargeItemsInSection:(NSInteger)section; //Default to automaticaly grow square !
- (UIEdgeInsets)insetsForCollectionView:(UICollectionView *)collectionView;
- (CGFloat)sectionSpacingForCollectionView:(UICollectionView *)collectionView;
- (CGFloat)minimumInteritemSpacingForCollectionView:(UICollectionView *)collectionView;
- (CGFloat)minimumLineSpacingForCollectionView:(UICollectionView *)collectionView;

ReorderableTripletLayout

- (void)collectionView:(UICollectionView *)collectionView itemAtIndexPath:(NSIndexPath *)fromIndexPath willMoveToIndexPath:(NSIndexPath *)toIndexPath;
- (void)collectionView:(UICollectionView *)collectionView itemAtIndexPath:(NSIndexPath *)fromIndexPath didMoveToIndexPath:(NSIndexPath *)toIndexPath;

- (BOOL)collectionView:(UICollectionView *)collectionView canMoveItemAtIndexPath:(NSIndexPath *)indexPath;
- (BOOL)collectionView:(UICollectionView *)collectionView itemAtIndexPath:(NSIndexPath *)fromIndexPath canMoveToIndexPath:(NSIndexPath *)toIndexPath;
- (CGFloat)reorderingItemAlpha:(UICollectionView * )collectionview; //Default 0.
- (UIEdgeInsets)autoScrollTrigerEdgeInsets:(UICollectionView *)collectionView; //Sorry, has not supported horizontal scroll.
- (UIEdgeInsets)autoScrollTrigerPadding:(UICollectionView *)collectionView;

- (void)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout willBeginDraggingItemAtIndexPath:(NSIndexPath *)indexPath;
- (void)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout didBeginDraggingItemAtIndexPath:(NSIndexPath *)indexPath;
- (void)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout willEndDraggingItemAtIndexPath:(NSIndexPath *)indexPath;
- (void)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout didEndDraggingItemAtIndexPath:(NSIndexPath *)indexPath;

License

RACollectionViewReorderableTripletLayout is available under the MIT license. See the LICENSE file for more info.

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