DragDropCollectionView

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DragDropCollectionView

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A UICollectionView which allows for easy drag and drop to reorder cells. Mimicks the drag and drop on the iOS Springboard when reordering apps (wiggle animation included!). AutoScroll included also

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- - .DS_Store
  - AppDelegate.swift
  - Info.plist
  - ViewController.swift
- - project.pbxproj
- - DragDropTests.swift
  - Info.plist
- .DS_Store
.DS_Store
demo.gif
DragDropCollectionView.swift
README.md

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# DragDropCollectionView
A UICollectionView which allows for easy drag and drop to reorder cells. Mimicks the drag and drop on the iOS Springboard when reordering apps (wiggle animation included!).

I have also included automatic scrolling for when the collection view's content does not all fit in the frame

![Alt text](https://raw.githubusercontent.com/Lior539/DragDropCollectionView/master/demo.gif)

Installation
--------------

To use the DragDropCollectionView class in an app, just drag the DragDropCollectionView.swift file into your project.

Protocols and Delegates
--------------
DragDropCollectionView has the following protocol:

````
@objc protocol DrapDropCollectionViewDelegate: UICollectionViewDelegate
````

This inherits from UICollectionViewDelegate and is to be used in place of the '.delegate' property found in UICollectionView

DragDropCollectionView has the following delegate:

````
weak var draggingDelegate: DrapDropCollectionViewDelegate?
````

The DragDropCollectionViewDelegate has the following required methods:

````
func dragDropCollectionViewDidMoveCellFromInitialIndexPath(initialIndexPath: NSIndexPath, toNewIndexPath newIndexPath: NSIndexPath)
````

This method should be used in your to 'swap' items in your datasource

The DragDropCollectionViewDelegate has the following optional methods:

````
optional func dragDropCollectionViewDraggingDidBeginWithCellAtIndexPath(indexPath: NSIndexPath)
optional func dragDropCollectionViewDraggingDidEndForCellAtIndexPath(indexPath: NSIndexPath)
````

Methods
--------------
Dragging can be easily enabled and disabled using the follwing method:
````
func enableDragging(enable: Bool)
````

To start the wiggle animation, use:

````
func startWiggle()
````

To stop the wiggle animation, use:

````
func stopWiggle()
````

DragDropCollectionView

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