code improvements

.travis.yml

@@ -1,11 +1,11 @@
-osx_image: xcode9.2
+osx_image: xcode10.1
 language: objective-c
 
 xcode_project: FoldingCell/FoldingCell.xcodeproj
 xcode_scheme: FoldingCell
-xcode_sdk: iphonesimulator11.2
+xcode_sdk: iphonesimulator12.1
 
-# SWIFT_VERSION: 4.0
+# SWIFT_VERSION: 4.2
 
 # whitelist
 branches:

FoldingCell.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FoldingCell'
-  s.version      = '4.0.0'
+  s.version      = '4.0.2'
   s.summary      = 'UITableViewCell with folding animation.'
   s.homepage     = 'https://github.com/Ramotion/folding-cell'
   s.license      = 'MIT'

FoldingCell/FoldingCell.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		5A0E1C3021414940006A0374 /* FoldingCellDemoTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5A0E1C2F21414940006A0374 /* FoldingCellDemoTests.swift */; };
+		5A1225D821B65E8E005BBB26 /* RotationViewTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5A1225D721B65E8E005BBB26 /* RotationViewTests.swift */; };
 		8499D8881D0054A8004B5B37 /* FoldingCell.h in Headers */ = {isa = PBXBuildFile; fileRef = 8499D8871D0054A8004B5B37 /* FoldingCell.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		9D57F31F1EDC7A6F0004599F /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9D57F31E1EDC7A6F0004599F /* AppDelegate.swift */; };
 		9D57F3241EDC7A6F0004599F /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9D57F3221EDC7A6F0004599F /* Main.storyboard */; };
@@ -81,6 +82,7 @@
 		5A0E1C2D21414940006A0374 /* FoldingCellDemoTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = FoldingCellDemoTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		5A0E1C2F21414940006A0374 /* FoldingCellDemoTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FoldingCellDemoTests.swift; sourceTree = "<group>"; };
 		5A0E1C3121414940006A0374 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		5A1225D721B65E8E005BBB26 /* RotationViewTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RotationViewTests.swift; sourceTree = "<group>"; };
 		8499D8851D0054A8004B5B37 /* FoldingCell.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = FoldingCell.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		8499D8871D0054A8004B5B37 /* FoldingCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FoldingCell.h; sourceTree = "<group>"; };
 		8499D8891D0054A8004B5B37 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -144,6 +146,7 @@
 			children = (
 				5A0E1C2F21414940006A0374 /* FoldingCellDemoTests.swift */,
 				5A0E1C3121414940006A0374 /* Info.plist */,
+				5A1225D721B65E8E005BBB26 /* RotationViewTests.swift */,
 			);
 			path = FoldingCellDemoTests;
 			sourceTree = "<group>";
@@ -403,6 +406,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				5A1225D821B65E8E005BBB26 /* RotationViewTests.swift in Sources */,
 				5A0E1C3021414940006A0374 /* FoldingCellDemoTests.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -584,7 +588,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -632,7 +636,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.1;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";

FoldingCell/FoldingCell.xcodeproj/xcshareddata/xcschemes/FoldingCell.xcscheme

@@ -28,7 +28,26 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "5A0E1C2C21414940006A0374"
+               BuildableName = "FoldingCellDemoTests.xctest"
+               BlueprintName = "FoldingCellDemoTests"
+               ReferencedContainer = "container:FoldingCell.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "8499D8841D0054A8004B5B37"
+            BuildableName = "FoldingCell.framework"
+            BlueprintName = "FoldingCell"
+            ReferencedContainer = "container:FoldingCell.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </TestAction>

FoldingCell/FoldingCell/FoldingCell.swift

@@ -121,18 +121,16 @@ open class FoldingCell: UITableViewCell {
         
         if animationType == .open {
             animationView?.subviews
+                .lazy
                 .compactMap { $0 as? RotatedView }
                 .forEach { $0.alpha = 0 }
         } else {
             animationView?.subviews
+                .lazy
                 .compactMap { $0 as? RotatedView }
                 .forEach {
-                    if animationType == .open {
-                        $0.alpha = 0
-                    } else {
-                        $0.alpha = 1
-                        $0.backView?.alpha = 0
-                    }
+                    $0.alpha = animationType == .open ? 0 : 1
+                    if animationType != .open { $0.backView?.alpha = 0 }
             }
         }
     }
@@ -402,7 +400,7 @@ open class FoldingCell: UITableViewCell {
 
 open class RotatedView: UIView {
     
-    fileprivate enum Const {
+    private enum Const {
         static let rotationX = "rotation.x"
         static let transformRotationX = "transform.rotation.x"
     }

FoldingCell/FoldingCellDemoTests/FoldingCellDemoTests.swift

@@ -1,11 +1,3 @@
-//
-//  FoldingCellDemoTests.swift
-//  FoldingCellDemoTests
-//
-//  Created by Alex K on 06/09/2018.
-//  Copyright © 2018 Alex K. All rights reserved.
-//
-
 import XCTest
 import UIKit
 @testable import FoldingCell
@@ -24,11 +16,6 @@ class FoldingCellDemoTests: XCTestCase {
         foldingCell = vc.tableView.dequeueReusableCell(withIdentifier: "FoldingCell", for: IndexPath(row: 0, section: 0)) as? FoldingCell
     }
     
-    override func tearDown() {
-        // Put teardown code here. This method is called after the invocation of each test method in the class.
-        super.tearDown()
-    }
-    
     func testCreateFoldingCell() {
         XCTAssertNotNil(foldingCell)
     }
@@ -37,5 +24,7 @@ class FoldingCellDemoTests: XCTestCase {
         XCTAssertEqual(foldingCell.isUnfolded, false)
         foldingCell.unfold(true)
         XCTAssertEqual(foldingCell.isUnfolded, true)
+        foldingCell.unfold(false)
+        XCTAssertEqual(foldingCell.isUnfolded, false)
     }
 }

FoldingCell/FoldingCellDemoTests/RotationViewTests.swift

@@ -0,0 +1,37 @@
+import XCTest
+import UIKit
+@testable import FoldingCell
+
+class RotationViewTests: XCTestCase {
+
+    var rotationView: RotatedView!
+    override func setUp() {
+        
+        rotationView = RotatedView()
+    }
+
+    func testCreateRotationView() {
+        XCTAssertNotNil(rotationView)
+    }
+    
+    func testAddBackView() {
+        XCTAssertNil(rotationView.backView)
+        let color = UIColor.red
+        rotationView.addBackView(100, color: color)
+        
+        XCTAssertNotNil(rotationView.backView)
+        XCTAssertEqual(rotationView.backView?.backgroundColor, color)
+    }
+    
+    func testRotateX() {
+        let key = "layer.transform.rotation.x"
+        let startX = (rotationView.value(forKeyPath: key) as? NSNumber)?.floatValue
+        XCTAssertEqual(startX, 0)
+
+        let angel: CGFloat = 0.5
+        rotationView.rotatedX(angel)
+        let x = (rotationView.value(forKeyPath: key) as? NSNumber)?.floatValue
+
+        XCTAssertEqual(x, Float(angel))
+    }
+}

README.md

@@ -1,8 +1,28 @@
-![header](./header.png)
-<img src="https://github.com/Ramotion/folding-cell/blob/master/Screenshots/foldingCell.gif" width="600" height="450" /></a>
-<br><br/>
+<img src="https://github.com/Ramotion/folding-cell/blob/master/header.png">
+
+<a href="https://github.com/Ramotion/folding-cell">
+<img align="left" src="https://github.com/Ramotion/folding-cell/blob/master/Screenshots/foldingCell.gif" width="480" height="360" /></a>
+
+<p><h1 align="left">FOLDING CELL</h1></p>
+
+<h4>Expanding content cell with animation inspired by folding paper card material design.</h4>
+
+
+___
+
+
+
+<p><h6>We specialize in the designing and coding of custom UI for Mobile Apps and Websites.</h6>
+<a href="https://dev.ramotion.com?utm_source=gthb&utm_medium=repo&utm_campaign=folding-cell">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
+</p>
+<p><h6>Stay tuned for the latest updates:</h6>
+<a href="https://goo.gl/rPFpid" >
+<img src="https://i.imgur.com/ziSqeSo.png/" width="156" height="28"></a></p>
+<h6><a href="https://store.ramotion.com/product/iphone-x-clay-mockups?utm_source=gthb&utm_medium=special&utm_campaign=folding-cell#demo">Get Free Mockup For your project →</a></h6>
+
+</br>
 
-# FoldingCell
 [![CocoaPods](https://img.shields.io/cocoapods/p/FoldingCell.svg)](https://cocoapods.org/pods/FoldingCell)
 [![CocoaPods](https://img.shields.io/cocoapods/v/FoldingCell.svg)](http://cocoapods.org/pods/FoldingCell)
 [![Twitter](https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat)](http://twitter.com/Ramotion)
@@ -13,19 +33,6 @@
 [![Analytics](https://ga-beacon.appspot.com/UA-84973210-1/ramotion/folding-cell)](https://github.com/igrigorik/ga-beacon)
 [![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/Ramotion)
 
-# Check this library on other platforms:
-<a href="https://github.com/Ramotion/folding-cell-android">
-<img src="https://github.com/ramotion/navigation-stack/raw/master/Android_Java@2x.png" width="178" height="81"></a>
-
-**Looking for developers for your project?**<br>
-This project is maintained by Ramotion, Inc. We specialize in the designing and coding of custom UI for Mobile Apps and Websites.
-
-<a href="mailto:alex.a@ramotion.com?subject=Project%20inquiry%20from%20Github">
-<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a> <br>
-
-
-The [iPhone mockup](https://store.ramotion.com/product/iphone-x-clay-mockups?utm_source=gthb&utm_medium=special&utm_campaign=folding-cell) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=folding-cell).
-
 ## Requirements
 
 - iOS 8.0+
@@ -42,7 +49,6 @@ pod 'FoldingCell'
 or [Carthage](https://github.com/Carthage/Carthage) users can simply add Mantle to their `Cartfile`:
 ```
 github "Ramotion/folding-cell"
-
 ```
 
 or just drag and drop FoldingCell.swift file to your project
@@ -156,24 +162,25 @@ fileprivate struct C {
 Create foregroundView and containerView from code (steps 2 - 3) look example:
 [Folding-cell-programmatically](https://github.com/ober01/Folding-cell-programmatically)
 
-## Licence
+## 🗂 Check this library on other language:
+<a href="https://github.com/Ramotion/folding-cell-android">
+<img src="https://github.com/ramotion/navigation-stack/raw/master/Android_Java@2x.png" width="178" height="81"></a>
+
+
+## 📄 License
 
 Folding cell is released under the MIT license.
 See [LICENSE](./LICENSE) for details.
 
 This library is a part of a <a href="https://github.com/Ramotion/swift-ui-animation-components-and-libraries"><b>selection of our best UI open-source projects.</b></a>
 
-# Get the Showroom App for iOS to give it a try
+If you use the open-source library in your project, please make sure to credit and backlink to www.ramotion.com
+
+## 📱 Get the Showroom App for iOS to give it a try
 Try this UI component and more like this in our iOS app. Contact us if interested.
 
 <a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=folding-cell&mt=8" >
 <img src="https://github.com/ramotion/gliding-collection/raw/master/app_store@2x.png" width="117" height="34"></a>
 
-<a href="mailto:alex.a@ramotion.com?subject=Project%20inquiry%20from%20Github">
+<a href="https://dev.ramotion.com?utm_source=gthb&utm_medium=repo&utm_campaign=folding-cell">
 <img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
-<br>
-<br>
-
-## Follow us for the latest update<br>
-<a href="https://goo.gl/rPFpid" >
-<img src="https://i.imgur.com/ziSqeSo.png/" width="156" height="28"></a>