ErrorView action added

Author: iSapozhnik

Example/LoadingViewController/ViewController.swift

@@ -20,7 +20,9 @@ class ViewController: LoadingViewController {
 			self?.setVisibleScreen(.Loading)
 			self?.delay(3, closure: { [weak self] in
 				self?.noDataMessage = "You don't have any search results. Please, refine your search criteria and try again."
-				self?.setVisibleScreen(.NoData)
+				self?.setVisibleScreen(.Failure, actionHandler: {
+					
+				})
 			})
 		}
     }

LoadingViewController/Classes/LoadingViewController.swift

@@ -63,10 +63,8 @@ public class LoadingViewController: UIViewController {
 		}
 	}
 	public var errorIcon: UIImage?
-	public var errorAction: String?
 
-	var noDataAction: String?
-	public var noDataMessage: String = NSLocalizedString("No data availabel", comment: "")
+	public var noDataMessage: String = NSLocalizedString("No data available. Please, try another request.", comment: "")
 
 	var contentViewAllwaysAvailabel: Bool = false
 
@@ -78,8 +76,8 @@ public class LoadingViewController: UIViewController {
 		return view
 	}
 
-	func defaultErrorView() -> UIView {
-		let view = ErrorView.viewWithStyle(errorViewStyle(), actionHandler: nil)
+	func defaultErrorView(action: ActionHandler? = nil) -> UIView {
+		let view = ErrorView.viewWithStyle(errorViewStyle(), actionHandler: action)
 		view.title = errorTitle
 		view.message = errorMessage
 		view.image = errorIcon
@@ -127,12 +125,12 @@ public class LoadingViewController: UIViewController {
 		view.layoutIfNeeded()
 	}
 
-	func viewForScreen(contentType: ContentType) -> UIView {
+	func viewForScreen(contentType: ContentType, action: ActionHandler? = nil) -> UIView {
 		switch contentType {
 		case .Content:
 			return contentView
 		case .Failure:
-			return defaultErrorView()
+			return defaultErrorView(action)
 		case .Loading:
 			return defaultLoadingView()
 		case .NoData:
@@ -145,10 +143,12 @@ public class LoadingViewController: UIViewController {
 	}
 
 	// TODO: add ActionHandler support to handle 'Retry' tap on ErrorViews
+	
 	public func setVisibleScreen(contentType: ContentType, animated: Bool = true, actionHandler:ActionHandler? = nil) {
 		if visibleContentType != contentType {
 			visibleContentType = contentType
-			setActiveView(viewForScreen(visibleContentType), animated: animated)
+			let view = viewForScreen(visibleContentType, action: actionHandler)
+			setActiveView(view, animated: animated)
 		}
 	}
 

LoadingViewController/Classes/Views/ErrorViews/ErrorView.swift

@@ -32,7 +32,7 @@ class ErrorView: UIView {
 		}
 	}
 
-	static func viewWithStyle(style: ErrorViewStyle, actionHandler:ActionHandler?) -> ErrorView {
+	static func viewWithStyle(style: ErrorViewStyle, actionHandler:ActionHandler? = nil) -> ErrorView {
 
 		switch style {
 		case .Simple:

LoadingViewController/Classes/Views/ErrorViews/SimpleErrorView.swift

@@ -30,4 +30,8 @@ class SimpleErrorView: ErrorView {
 		guard let newImage = image else { return }
 		imageView?.image = newImage
 	}
+	
+	@IBAction func action(sender: AnyObject) {
+		action?()
+	}
 }

LoadingViewController/Classes/Views/ErrorViews/SimpleErrorView.xib

@@ -37,6 +37,9 @@
                             <state key="highlighted">
                                 <color key="titleColor" red="0.24313725489999999" green="0.42352941179999998" blue="0.5450980392" alpha="1" colorSpace="calibratedRGB"/>
                             </state>
+                            <connections>
+                                <action selector="action:" destination="iN0-l3-epB" eventType="touchUpInside" id="V8e-tp-Lzm"/>
+                            </connections>
                         </button>
                         <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" verticalCompressionResistancePriority="250" image="sad.png" translatesAutoresizingMaskIntoConstraints="NO" id="pyy-8x-tJd">
                             <rect key="frame" x="46" y="64" width="128" height="128"/>