Adds Peek & Pop support to EditCheatViewController

Delta.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		AF0535CD7331785FA15E0864 /* Pods.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 22506DA00971C4300AF90A35 /* Pods.framework */; };
+		BF04A5A31CF8E61C00B4A267 /* UIViewController+PeekPop.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF04A5A21CF8E61C00B4A267 /* UIViewController+PeekPop.swift */; };
 		BF090CF41B490D8300DCAB45 /* UIDevice+Vibration.m in Sources */ = {isa = PBXBuildFile; fileRef = BF090CF31B490D8300DCAB45 /* UIDevice+Vibration.m */; };
 		BF0CDDAD1C8155D200640168 /* LoadImageOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF0CDDAC1C8155D200640168 /* LoadImageOperation.swift */; };
 		BF107EC41BF413F000E0C32C /* GamesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF107EC31BF413F000E0C32C /* GamesViewController.swift */; };
@@ -128,6 +129,7 @@
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 		22506DA00971C4300AF90A35 /* Pods.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods.framework; sourceTree = BUILT_PRODUCTS_DIR; };
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+		BF04A5A21CF8E61C00B4A267 /* UIViewController+PeekPop.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIViewController+PeekPop.swift"; sourceTree = "<group>"; };
 		BF090CF11B490D8300DCAB45 /* Delta-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Delta-Bridging-Header.h"; sourceTree = "<group>"; };
 		BF090CF21B490D8300DCAB45 /* UIDevice+Vibration.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIDevice+Vibration.h"; sourceTree = "<group>"; };
 		BF090CF31B490D8300DCAB45 /* UIDevice+Vibration.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIDevice+Vibration.m"; sourceTree = "<group>"; };
@@ -235,6 +237,7 @@
 				BF090CF31B490D8300DCAB45 /* UIDevice+Vibration.m */,
 				BF797A2C1C2D339F00F1A000 /* UILabel+FontSize.swift */,
 				BF7AE8091C2E8C7600B1B5BC /* UIColor+Delta.swift */,
+				BF04A5A21CF8E61C00B4A267 /* UIViewController+PeekPop.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -737,6 +740,7 @@
 				BFFA71DD1AAC406100EE9DD1 /* AppDelegate.swift in Sources */,
 				BF7AE81E1C2E984300B1B5BC /* GridCollectionViewCell.swift in Sources */,
 				BF34FA111CF1899D006624C7 /* CheatTextView.swift in Sources */,
+				BF04A5A31CF8E61C00B4A267 /* UIViewController+PeekPop.swift in Sources */,
 				BF4566E81BC090B6007BFA1A /* Model.xcdatamodeld in Sources */,
 				BFDE393C1BC0CEDF003F72E8 /* Game.swift in Sources */,
 				BF34FA071CF0F510006624C7 /* EditCheatViewController.swift in Sources */,

Delta/Emulation/EmulationViewController.swift

@@ -46,11 +46,6 @@ class EmulationViewController: UIViewController
     
     @IBOutlet private var controllerViewHeightConstraint: NSLayoutConstraint!
     
-    private var isPreviewing: Bool {
-        guard let presentationController = self.presentationController else { return false }
-        return NSStringFromClass(presentationController.dynamicType).containsString("PreviewPresentation")
-    }
-    
     private var pauseViewController: PauseViewController?
     
     private var context = CIContext(options: [kCIContextWorkingColorSpace: NSNull()])

Delta/Extensions/UIViewController+PeekPop.swift

@@ -0,0 +1,18 @@
+//
+//  UIViewController+PeekPop.swift
+//  Delta
+//
+//  Created by Riley Testut on 5/27/16.
+//  Copyright © 2016 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+extension UIViewController
+{
+    var isPreviewing: Bool
+    {
+        guard let presentationController = self.presentationController else { return false }
+        return NSStringFromClass(presentationController.dynamicType).containsString("PreviewPresentation")
+    }
+}

Delta/Pause Menu/Cheats/CheatsViewController.swift

@@ -49,6 +49,8 @@ extension CheatsViewController
         self.backgroundView.detailTextLabel.text = NSLocalizedString("You can add a new cheat by pressing the + button in the top right.", comment: "")
         self.backgroundView.detailTextLabel.textColor = UIColor.whiteColor()
         self.tableView.backgroundView = self.backgroundView
+        
+        self.registerForPreviewingWithDelegate(self, sourceView: self.tableView)
     }
     
     override func viewWillAppear(animated: Bool)
@@ -241,6 +243,29 @@ extension CheatsViewController
     }
 }
 
+//MARK: - <UIViewControllerPreviewingDelegate> -
+extension CheatsViewController: UIViewControllerPreviewingDelegate
+{
+    func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController?
+    {
+        guard let indexPath = self.tableView.indexPathForRowAtPoint(location) else { return nil }
+        
+        let frame = self.tableView.rectForRowAtIndexPath(indexPath)
+        previewingContext.sourceRect = frame
+        
+        let cheat = self.fetchedResultsController.objectAtIndexPath(indexPath) as! Cheat
+        
+        let editCheatViewController = self.makeEditCheatViewController(cheat: cheat)
+        return editCheatViewController
+    }
+    
+    func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController)
+    {
+        self.presentViewController(RSTContainInNavigationController(viewControllerToCommit), animated: true, completion: nil)
+    }
+}
+
+//MARK: - <EditCheatViewControllerDelegate> -
 extension CheatsViewController: EditCheatViewControllerDelegate
 {
     func editCheatViewController(editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?) throws
@@ -267,6 +292,11 @@ extension CheatsViewController: EditCheatViewControllerDelegate
             })
         }
     }
+    
+    func editCheatViewController(editCheatViewController: EditCheatViewController, deactivateCheat cheat: Cheat)
+    {
+        let _ = try? self.delegate.cheatsViewController(self, didDeactivateCheat: cheat)
+    }
 }
 
 //MARK: - <NSFetchedResultsControllerDelegate> -

Delta/Pause Menu/Cheats/EditCheatViewController.swift

@@ -15,6 +15,7 @@ import Roxas
 protocol EditCheatViewControllerDelegate: class
 {
     func editCheatViewController(editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?) throws
+    func editCheatViewController(editCheatViewController: EditCheatViewController, deactivateCheat cheat: Cheat)
 }
 
 private extension EditCheatViewController
@@ -124,6 +125,18 @@ extension EditCheatViewController
         self.updateSaveButtonState()
     }
     
+    override func viewDidAppear(animated: Bool)
+    {
+        super.viewDidAppear(animated)
+        
+        // This matters when going from peek -> pop
+        // Otherwise, has no effect because viewDidLayoutSubviews has already been called
+        if self.appearing && !self.isPreviewing
+        {
+            self.nameTextField.becomeFirstResponder()
+        }
+    }
+    
     override func viewDidLayoutSubviews()
     {
         super.viewDidLayoutSubviews()
@@ -136,17 +149,59 @@ extension EditCheatViewController
             self.codeTextView.textContainer.lineFragmentPadding = 0
         }
         
-        if self.appearing
+        if self.appearing && !self.isPreviewing
         {
             self.nameTextField.becomeFirstResponder()
         }
     }
     
+    override func previewActionItems() -> [UIPreviewActionItem]
+    {
+        guard let cheat = self.cheat else { return [] }
+        
+        let copyCodeAction = UIPreviewAction(title: NSLocalizedString("Copy Code", comment: ""), style: .Default) { (action, viewController) in
+            UIPasteboard.generalPasteboard().string = cheat.code
+        }
+        
+        let presentingViewController = self.presentingViewController
+        
+        let editCheatAction = UIPreviewAction(title: NSLocalizedString("Edit", comment: ""), style: .Default) { (action, viewController) in
+            // Delaying until next run loop prevents self from being dismissed immediately
+            dispatch_async(dispatch_get_main_queue()) {
+                presentingViewController?.presentViewController(RSTContainInNavigationController(viewController), animated: true, completion: nil)
+            }
+        }
+        
+        let deleteAction = UIPreviewAction(title: NSLocalizedString("Delete", comment: ""), style: .Destructive) { [unowned self] (action, viewController) in
+            self.delegate?.editCheatViewController(self, deactivateCheat: cheat)
+            
+            let backgroundContext = DatabaseManager.sharedManager.backgroundManagedObjectContext()
+            backgroundContext.performBlock {
+                let temporaryCheat = backgroundContext.objectWithID(cheat.objectID)
+                backgroundContext.deleteObject(temporaryCheat)
+                backgroundContext.saveWithErrorLogging()
+            }
+        }
+        
+        let cancelDeleteAction = UIPreviewAction(title: NSLocalizedString("Cancel", comment: ""), style: .Default) { (action, viewController) in
+        }
+        
+        let deleteActionGroup = UIPreviewActionGroup(title: NSLocalizedString("Delete", comment: ""), style: .Destructive, actions: [deleteAction, cancelDeleteAction])
+        
+        return [copyCodeAction, editCheatAction, deleteActionGroup]
+    }
+    
     override func didReceiveMemoryWarning()
     {
         super.didReceiveMemoryWarning()
         // Dispose of any resources that can be recreated.
     }
+    
+    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?)
+    {
+        self.nameTextField.resignFirstResponder()
+        self.codeTextView.resignFirstResponder()
+    }
 }
 
 private extension EditCheatViewController