PhotoSlider for Swift

PhotoSlider can a simple photo slider and delete slider with swiping.

Requirements

• Xcode 7+
• Swift 2.0+
• iOS 8+

Installation

CocoaPods

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

pod "PhotoSlider"

Carthage

Carthage is a decentralized dependency manager for Cocoa application.

$ brew update
$ brew install carthage

To integrate Kingfisher into your Xcode project using Carthage, specify it in your Cartfile:

github "nakajijapan/PhotoSlider"

Then, run the following command to build the Kingfisher framework:

$ carthage update

Usage

Using ZoomingAnimationControllerTransitioning

func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {

    var slider = PhotoSlider.ViewController(imageURLs: self.images)
    slider.currentPage = indexPath.row
    photoSlider.transitioningDelegate = self
    self.presentViewController(slider, animated: true, completion: nil)

}

ZoomingAnimationControllerTransitioning

return imageView for starting position

// MARK: ZoomingAnimationControllerTransitioning

func transitionSourceImageView() -> UIImageView {

let indexPath = self.collectionView.indexPathsForSelectedItems()?.first

    let cell = self.collectionView.cellForItemAtIndexPath(indexPath!) as! ImageCollectionViewCell
    let imageView = UIImageView(image: cell.imageView.image)

    var frame = cell.imageView.frame
    frame.origin.y += UIApplication.sharedApplication().statusBarFrame.height

    imageView.frame = frame
    imageView.clipsToBounds = true
    imageView.contentMode = UIViewContentMode.ScaleAspectFill

    return imageView

}

return sourceImageView for finished position

func transitionDestinationImageView(sourceImageView: UIImageView) {
    
    guard let image = sourceImageView.image else {
        return
    }
    
    let indexPath = self.collectionView.indexPathsForSelectedItems()?.first
    let cell = self.collectionView.cellForItemAtIndexPath(indexPath!) as! ImageCollectionViewCell
    let statusBarHeight = UIApplication.sharedApplication().statusBarFrame.height

    // snip..

    sourceImageView.frame = frame
    
}

UIViewControllerTransitioningDelegate

// MARK: UIViewControllerTransitioningDelegate

func animationControllerForDismissedController(dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
    let animationController = PhotoSlider.ZoomingAnimationController(present: false)
    animationController.sourceTransition = dismissed as? ZoomingAnimationControllerTransitioning
    animationController.destinationTransition = self
    return animationController
}

func animationControllerForPresentedController(presented: UIViewController, presentingController presenting: UIViewController, sourceController source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
    let animationController = PhotoSlider.ZoomingAnimationController(present: true)
    animationController.sourceTransition = source as? ZoomingAnimationControllerTransitioning
    animationController.destinationTransition = presented as? ZoomingAnimationControllerTransitioning
    return animationController
}

Using UIModalTransitionStyle

select ZoomingAnimationController

func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {

    var slider = PhotoSlider.ViewController(imageURLs: self.images)
    slider.modalPresentationStyle = .OverCurrentContext
    slider.modalTransitionStyle = UIModalTransitionStyle.CrossDissolve
    slider.index = indexPath.row
    self.presentViewController(slider, animated: true, completion: nil)

}

Delegation

You can handle the following event:

• optional func photoSliderControllerWillDismiss(viewController: PhotoSlider.ViewController)
• optional func photoSliderControllerDidDismiss(viewController: PhotoSlider.ViewController)

Author

nakajijapan, [email protected]

License

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