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https://github.com/lxcid/LXReorderableCollectionViewFlowLayout
Extends `UICollectionViewFlowLayout` to support reordering of cells. Similar to long press and pan on books in iBook.
https://github.com/lxcid/LXReorderableCollectionViewFlowLayout
drag-and-drop ibooks objective-c reordering uicollectionview uicollectionviewlayout
Last synced: 5 days ago
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Extends `UICollectionViewFlowLayout` to support reordering of cells. Similar to long press and pan on books in iBook.
- Host: GitHub
- URL: https://github.com/lxcid/LXReorderableCollectionViewFlowLayout
- Owner: lxcid
- License: mit
- Created: 2012-10-02T16:09:14.000Z (about 12 years ago)
- Default Branch: master
- Last Pushed: 2019-03-08T13:01:46.000Z (over 5 years ago)
- Last Synced: 2024-11-02T03:03:17.792Z (10 days ago)
- Topics: drag-and-drop, ibooks, objective-c, reordering, uicollectionview, uicollectionviewlayout
- Language: Objective-C
- Homepage: http://lxcid.com/
- Size: 217 KB
- Stars: 1,862
- Watchers: 76
- Forks: 328
- Open Issues: 56
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
LXReorderableCollectionViewFlowLayout
=====================================
Extends `UICollectionViewFlowLayout` to support reordering of cells. Similar to long press and pan on books in iBook.
Features
========
The goal of LXReorderableCollectionViewFlowLayout is to provides capability for reordering of cell, similar to iBook.
- Long press on cell to invoke reordering capability.
- When reordering capability is invoked, fade the selected cell from highlighted to normal state.
- Drag around the selected cell to move it to the desired location, the other cells adjust accordingly. Callback in the form of delegate methods are invoked.
- Drag selected cell to the edges, depending on scroll direction, scroll in the desired direction.
- Release to stop reordering.
Getting Started
===============
1. Install using *CocoaPods* or drag the `LXReorderableCollectionViewFlowLayout` folder into your project.
2. Initialize/Setup your collection view to use `LXReorderableCollectionViewFlowLayout`.
3. The collection view controller that is to support reordering capability must conforms to `LXReorderableCollectionViewDataSource` protocol. For example,
- (void)collectionView:(UICollectionView *)collectionView itemAtIndexPath:(NSIndexPath *)fromIndexPath willMoveToIndexPath:(NSIndexPath *)toIndexPath {
id object = [mutableArray objectAtIndex:fromIndexPath.item];
[mutableArray removeObjectAtIndex:fromIndexPath.item];
[mutableArray insertObject:object atIndex:toIndexPath.item];
}
4. You can listen to some dragging events through comforming to `LXReorderableCollectionViewDelegateFlowLayout` methods.
5. Setup your collection view accordingly to your need, run and see it in action! :D
Changes
============
### Feb 24 2013 (Luke Scott)
- Removed setUpGestureRecognizersOnCollectionView
- Removed layout from delegate methods (can be accessed from collectionView)
- Renamed delegate methods and split between dataSource and delegate
- Added dataSource and delegate examples to sample project
### Feb 23 2013 (Luke Scott)
- Refactored everything to be more readable / maintainable
- Deprecated setUpGestureRecognizersOnCollectionView - no longer necessary
Requirements
============
- ARC
- iOS 6 and above preferred
- Xcode 4.5 and above
Credits
=======
- Originally created by Stan Chang Khin Boon ([Github: @lxcid](http://github.com/lxcid), [Twitter: @lxcid](https://twitter.com/lxcid), [Google+: +Stan Chang Khin Boon](https://plus.google.com/118232095174296729296?rel=author)) for [buUuk](http://www.buuuk.com/), with reference to [MaximilianL's implementation on Apple Developer Forums](https://devforums.apple.com/message/682764).
- Refactored by [Luke Scott](https://github.com/lukescott), with some help from [mulle-nat's fork](https://github.com/mulle-nat/LXReorderableCollectionViewFlowLayout).
- Playing cards in the demo are downloaded from [http://www.jfitz.com/cards/](http://www.jfitz.com/cards/).
Alternatives
============
- [DraggableCollectionView](https://github.com/lukescott/DraggableCollectionView) by [Luke Scott](https://github.com/lukescott).
License
=======
LXReorderableCollectionViewFlowLayout is available under [the MIT license](LICENSE).