Photo segue implemented on the main controller.

app/ActivitiesView.xib

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11762" systemVersion="16E195" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="12120" systemVersion="16E195" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12088"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -24,7 +24,7 @@
                 <scrollView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="xyM-cc-W1r">
                     <rect key="frame" x="0.0" y="0.0" width="375" height="666"/>
                     <subviews>
-                        <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" misplaced="YES" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="gvi-ij-s5Q">
+                        <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="gvi-ij-s5Q">
                             <rect key="frame" x="0.0" y="0.0" width="375" height="306"/>
                             <subviews>
                                 <view contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Jdf-74-tJS" customClass="Section" customModule="app">

app/AlbumViewController.swift

@@ -108,8 +108,11 @@ class AlbumViewController: UIViewController, UIGestureRecognizerDelegate {
 				
 				var r = searchResults[i]
 				var photoId = r.value(forKey: "photo")! as! Int
+				var leftId: Int = -1
+				var rightId: Int = -1
 				
 				row = RowAlbum.init(s: "rowAlbum\(i)", i: i)
+				row.id = id
 				
 				// Get photo info from Photo entity
 				let imgFetchRequest: NSFetchRequest<Photo> = Photo.fetchRequest()
@@ -122,17 +125,20 @@ class AlbumViewController: UIViewController, UIGestureRecognizerDelegate {
 					var imgSearchResults = try context.fetch(imgFetchRequest)
 					var imgR = imgSearchResults[0]
 					image = imgR.value(forKey: "file")! as! String
+					leftId = imgR.value(forKey: "id")! as! Int
 					NSLog(":GALLERYCONTROLLER:LOG: Image Row \(i) left: \(image)")
 					row.setImage(idx: 0, filename: image)
 					if i + 1 < searchResults.count {
 						r = searchResults[i + 1]
 						photoId = r.value(forKey: "photo")! as! Int
+						
 						imgFetchRequest.predicate = NSPredicate(format: "id == %i", photoId)
 						imgSearchResults = try context.fetch(imgFetchRequest)
 						
 						
 						imgR = imgSearchResults[0]
 						image = imgR.value(forKey: "file")! as! String
+						rightId = imgR.value(forKey: "id")! as! Int
 						NSLog(":GALLERYCONTROLLER:LOG: Image Row \(i) right: \(image)")
 						row.setImage(idx: 1, filename: image)
 					}
@@ -145,7 +151,7 @@ class AlbumViewController: UIViewController, UIGestureRecognizerDelegate {
 					NSLog(":GALLERYCONTROLLER:ERROR: Error getting image for post \(id): \(error)")
 				}
 				
-				NSLog(":GALLERYCONTROLLER:DEBUG: Adding row: height: \(row.frame.height)")
+				row.setIds(left: leftId, right: rightId)
 				albumContainer.addArrangedSubview(row)
 				
 				rowcount = rowcount + 1

app/PhotoViewController.swift

@@ -61,6 +61,7 @@ class PhotoViewController: UIViewController, UIGestureRecognizerDelegate {
 	Run when the app loads.
 	*/
 	override func viewDidLoad() {
+		NSLog(":PHOTOCONTROLLER:DEBUG: viewDidLoad")
 		
 		super.viewDidLoad()
 		self.loadPhoto(id: photoId)

app/RowAlbum.swift

@@ -34,6 +34,9 @@ Extension of UIView to be formatted as sections.
 	// Album ID
 	var id = -1
 	
+	// Photo ids
+	var photoIds: [Int] = [-1, -1]
+	
 	// Array with the imageviews
 	var preview: [UIImageView] = []
 
@@ -95,29 +98,54 @@ Extension of UIView to be formatted as sections.
 		super.init(frame: frame)
 	}
 	
-	func openPhoto(_ sender:UITapGestureRecognizer? = nil){
-		NSLog(":ROWALBUM:DEBUG: Getting delegate and showing photo.")
-		// TODO
-		//let delegate: AppDelegate = UIApplication.shared.delegate as! AppDelegate
-		//delegate.controller?.showAlbum(id: self.id)
+	func openLeftPhoto(_ sender:UITapGestureRecognizer? = nil){
+		NSLog(":ROWALBUM:DEBUG: Getting delegate and showing left photo.")
+		let delegate: AppDelegate = UIApplication.shared.delegate as! AppDelegate
+		delegate.controller?.showPhoto(album: self.id, photo: self.photoIds[0])
+	}
+	
+	func openRightPhoto(_ sender:UITapGestureRecognizer? = nil){
+		NSLog(":ROWALBUM:DEBUG: Getting delegate and showing right photo.")
+		let delegate: AppDelegate = UIApplication.shared.delegate as! AppDelegate
+		delegate.controller?.showPhoto(album: self.id, photo: self.photoIds[1])
 	}
 	
 	
 	/**
 	Changes the preview image of the photos.
 	If null or empty, the igage is hidden.
+	It also sets the tap listener to show the photo.
 	:param: idx Id of the image in the row. 0 for left, 1 for right.
 	:param: filename Filename of the image.
 	*/
 	func setImage(idx: Int, filename: String){
 		if (filename == ""){
 			self.preview[idx].isHidden = true
-			//TODO hide the imageview
 		}
 		else{
 			let path = "img/galeria/thumb/\(filename)"
 			self.preview[idx].setImage(localPath: path, remotePath: "https://margolariak.com/\(path)")
+			// Set tap listener
+			if idx == 0 {
+				let tapRecognizer = UITapGestureRecognizer(target: self, action: #selector (RowAlbum.openLeftPhoto(_:)))
+				tapRecognizer.delegate = (UIApplication.shared.delegate as! AppDelegate).controller
+				self.preview[idx].isUserInteractionEnabled = true
+				NSLog(":ROWALBUM:DEBUG: Setting tap recognizer for left photo.")
+				self.preview[idx].addGestureRecognizer(tapRecognizer)
+			}
+			else{
+				let tapRecognizer = UITapGestureRecognizer(target: self, action: #selector (RowAlbum.openRightPhoto(_:)))
+				tapRecognizer.delegate = (UIApplication.shared.delegate as! AppDelegate).controller
+				self.preview[idx].isUserInteractionEnabled = true
+				NSLog(":ROWALBUM:DEBUG: Setting tap recognizer for right photo.")
+				self.preview[idx].addGestureRecognizer(tapRecognizer)
+			}
 		}
 	}
 	
+	func setIds(left: Int, right: Int){
+		self.photoIds[0] = left
+		self.photoIds[1] = right
+	}
+	
 }

app/ViewController.swift

@@ -45,6 +45,7 @@ class ViewController: UIViewController, UICollectionViewDataSource, UICollection
 	
 	// Passed id to perform segues.
 	var passId: Int = -1
+	var passAlbum: Int = -1
 	
 	// Location-related variables.
 	var locationManager = CLLocationManager()
@@ -125,6 +126,20 @@ class ViewController: UIViewController, UICollectionViewDataSource, UICollection
 	}
 	
 	
+	// TODO: This must go in it AlbumViewController
+	/**
+	Shows a photo.
+	:param: id The album id.
+	*/
+	func showPhoto(album: Int, photo: Int){
+		NSLog(":CONTROLLER:DEBUG: Showing photo \(photo) of album \(album)")
+		self.passAlbum = album
+		self.passId = photo
+		performSegue(withIdentifier: "SeguePhoto", sender: nil)
+		NSLog(":CONTROLLER:DEBUG: PHOTO should be shown")
+	}
+	
+	
 	/**
 	Shows a schedule.
 	:param: margolari True for the margolari schedule, false for the city one.
@@ -141,7 +156,7 @@ class ViewController: UIViewController, UICollectionViewDataSource, UICollection
 	}
 	
 	
-	/**
+	/** m
 	Handles the initial sync process.
 	It can start it, showing the sync screen, or finish it, hidding the screen.
 	:param: showScreen True to start the sync, false to end it.
@@ -174,6 +189,10 @@ class ViewController: UIViewController, UICollectionViewDataSource, UICollection
 		if segue.identifier == "SegueAlbum"{
 			(segue.destination as! AlbumViewController).id = passId
 		}
+		if segue.identifier == "SeguePhoto"{
+			(segue.destination as! PhotoViewController).photoId = passId
+			(segue.destination as! PhotoViewController).albumId = passAlbum
+		}
 		if segue.identifier == "SegueSchedule"{
 			if passId == 1{
 				(segue.destination as! ScheduleViewController).margolari = true