The custom collectionView layout that can perform reordering of cells by dragging it.
Objective-C Ruby
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Latest commit b12288f Dec 30, 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.