small fixing

Update README.md

.travis.yml

@@ -1,6 +1,6 @@
-osx_image: xcode7.2
+osx_image: xcode7.3
 language: objective-c
 
 xcode_project: FoldingCell/FoldingCell.xcodeproj
 xcode_scheme: FoldingCell
-xcode_sdk: iphonesimulator9.1
+xcode_sdk: iphonesimulator

FoldingCell.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'FoldingCell'
-  s.version      = '0.3'
+  s.version      = '0.8.1'
   s.summary      = 'UITableViewCell with folding animation.'
   s.homepage     = 'https://github.com/Ramotion/folding-cell'
   s.license      = 'MIT'

FoldingCell/FoldingCell.xcodeproj/project.pbxproj

@@ -15,6 +15,10 @@
 		847A581F1C29500B0028FB84 /* MainTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847A581E1C29500B0028FB84 /* MainTableViewController.swift */; };
 		848B463B1C56458C00D49B45 /* FoldingCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847A581A1C294FAB0028FB84 /* FoldingCell.swift */; };
 		8498513F1C5639F9006FA400 /* FoldingCellTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8498513E1C5639F9006FA400 /* FoldingCellTests.swift */; };
+		8499D8881D0054A8004B5B37 /* FoldingCell.h in Headers */ = {isa = PBXBuildFile; fileRef = 8499D8871D0054A8004B5B37 /* FoldingCell.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		8499D88C1D0054A8004B5B37 /* FoldingCell.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8499D8851D0054A8004B5B37 /* FoldingCell.framework */; };
+		8499D88D1D0054A8004B5B37 /* FoldingCell.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 8499D8851D0054A8004B5B37 /* FoldingCell.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		8499D8911D0054BF004B5B37 /* FoldingCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847A581A1C294FAB0028FB84 /* FoldingCell.swift */; };
 		8499F5DD1C2A83F70027D5D2 /* OpenSans-Bold.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 8499F5D31C2A83F70027D5D2 /* OpenSans-Bold.ttf */; };
 		8499F5DE1C2A83F70027D5D2 /* OpenSans-BoldItalic.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 8499F5D41C2A83F70027D5D2 /* OpenSans-BoldItalic.ttf */; };
 		8499F5DF1C2A83F70027D5D2 /* OpenSans-ExtraBold.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 8499F5D51C2A83F70027D5D2 /* OpenSans-ExtraBold.ttf */; };
@@ -36,6 +40,13 @@
 			remoteGlobalIDString = 847A58031C294F750028FB84;
 			remoteInfo = FoldingCell;
 		};
+		8499D88A1D0054A8004B5B37 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 847A57FC1C294F750028FB84 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 8499D8841D0054A8004B5B37;
+			remoteInfo = FoldingCell;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -45,6 +56,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
+				8499D88D1D0054A8004B5B37 /* FoldingCell.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -54,7 +66,7 @@
 /* Begin PBXFileReference section */
 		840B984B1C33FE660081B926 /* FoldingCellFramework.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FoldingCellFramework.h; sourceTree = "<group>"; };
 		840B984D1C33FE660081B926 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		847A58041C294F750028FB84 /* FoldingCell.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = FoldingCell.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		847A58041C294F750028FB84 /* FoldingCellDemo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = FoldingCellDemo.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		847A58071C294F750028FB84 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		847A580C1C294F750028FB84 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		847A580E1C294F750028FB84 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -65,6 +77,9 @@
 		8498513C1C5639F9006FA400 /* FoldingCellTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = FoldingCellTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		8498513E1C5639F9006FA400 /* FoldingCellTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FoldingCellTests.swift; sourceTree = "<group>"; };
 		849851401C5639F9006FA400 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; 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>"; };
 		8499F5D31C2A83F70027D5D2 /* OpenSans-Bold.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "OpenSans-Bold.ttf"; sourceTree = "<group>"; };
 		8499F5D41C2A83F70027D5D2 /* OpenSans-BoldItalic.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "OpenSans-BoldItalic.ttf"; sourceTree = "<group>"; };
 		8499F5D51C2A83F70027D5D2 /* OpenSans-ExtraBold.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = "OpenSans-ExtraBold.ttf"; sourceTree = "<group>"; };
@@ -83,6 +98,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				8499D88C1D0054A8004B5B37 /* FoldingCell.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -93,6 +109,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		8499D8811D0054A8004B5B37 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -111,6 +134,7 @@
 				847A58061C294F750028FB84 /* FoldingCell */,
 				840B984A1C33FE660081B926 /* FoldingCellFramework */,
 				8498513D1C5639F9006FA400 /* FoldingCellTests */,
+				8499D8861D0054A8004B5B37 /* FoldingCell */,
 				847A58051C294F750028FB84 /* Products */,
 			);
 			sourceTree = "<group>";
@@ -118,8 +142,9 @@
 		847A58051C294F750028FB84 /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				847A58041C294F750028FB84 /* FoldingCell.app */,
+				847A58041C294F750028FB84 /* FoldingCellDemo.app */,
 				8498513C1C5639F9006FA400 /* FoldingCellTests.xctest */,
+				8499D8851D0054A8004B5B37 /* FoldingCell.framework */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -157,6 +182,15 @@
 			path = FoldingCellTests;
 			sourceTree = "<group>";
 		};
+		8499D8861D0054A8004B5B37 /* FoldingCell */ = {
+			isa = PBXGroup;
+			children = (
+				8499D8871D0054A8004B5B37 /* FoldingCell.h */,
+				8499D8891D0054A8004B5B37 /* Info.plist */,
+			);
+			path = FoldingCell;
+			sourceTree = "<group>";
+		};
 		8499F5D21C2A83D90027D5D2 /* Fonts */ = {
 			isa = PBXGroup;
 			children = (
@@ -176,10 +210,21 @@
 		};
 /* End PBXGroup section */
 
+/* Begin PBXHeadersBuildPhase section */
+		8499D8821D0054A8004B5B37 /* Headers */ = {
+			isa = PBXHeadersBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8499D8881D0054A8004B5B37 /* FoldingCell.h in Headers */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXHeadersBuildPhase section */
+
 /* Begin PBXNativeTarget section */
-		847A58031C294F750028FB84 /* FoldingCell */ = {
+		847A58031C294F750028FB84 /* FoldingCellDemo */ = {
 			isa = PBXNativeTarget;
-			buildConfigurationList = 847A58161C294F750028FB84 /* Build configuration list for PBXNativeTarget "FoldingCell" */;
+			buildConfigurationList = 847A58161C294F750028FB84 /* Build configuration list for PBXNativeTarget "FoldingCellDemo" */;
 			buildPhases = (
 				847A58001C294F750028FB84 /* Sources */,
 				847A58011C294F750028FB84 /* Frameworks */,
@@ -189,10 +234,11 @@
 			buildRules = (
 			);
 			dependencies = (
+				8499D88B1D0054A8004B5B37 /* PBXTargetDependency */,
 			);
-			name = FoldingCell;
+			name = FoldingCellDemo;
 			productName = FoldingCell;
-			productReference = 847A58041C294F750028FB84 /* FoldingCell.app */;
+			productReference = 847A58041C294F750028FB84 /* FoldingCellDemo.app */;
 			productType = "com.apple.product-type.application";
 		};
 		8498513B1C5639F9006FA400 /* FoldingCellTests */ = {
@@ -213,6 +259,24 @@
 			productReference = 8498513C1C5639F9006FA400 /* FoldingCellTests.xctest */;
 			productType = "com.apple.product-type.bundle.unit-test";
 		};
+		8499D8841D0054A8004B5B37 /* FoldingCell */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 8499D88E1D0054A8004B5B37 /* Build configuration list for PBXNativeTarget "FoldingCell" */;
+			buildPhases = (
+				8499D8801D0054A8004B5B37 /* Sources */,
+				8499D8811D0054A8004B5B37 /* Frameworks */,
+				8499D8821D0054A8004B5B37 /* Headers */,
+				8499D8831D0054A8004B5B37 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = FoldingCell;
+			productName = FoldingCell;
+			productReference = 8499D8851D0054A8004B5B37 /* FoldingCell.framework */;
+			productType = "com.apple.product-type.framework";
+		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
@@ -225,12 +289,16 @@
 				TargetAttributes = {
 					847A58031C294F750028FB84 = {
 						CreatedOnToolsVersion = 7.2;
-						DevelopmentTeam = 34MUF9YXTA;
+						DevelopmentTeam = LEAZS7L33U;
 					};
 					8498513B1C5639F9006FA400 = {
 						CreatedOnToolsVersion = 7.2;
 						TestTargetID = 847A58031C294F750028FB84;
 					};
+					8499D8841D0054A8004B5B37 = {
+						CreatedOnToolsVersion = 7.3.1;
+						DevelopmentTeam = LEAZS7L33U;
+					};
 				};
 			};
 			buildConfigurationList = 847A57FF1C294F750028FB84 /* Build configuration list for PBXProject "FoldingCell" */;
@@ -246,8 +314,9 @@
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
-				847A58031C294F750028FB84 /* FoldingCell */,
+				847A58031C294F750028FB84 /* FoldingCellDemo */,
 				8498513B1C5639F9006FA400 /* FoldingCellTests */,
+				8499D8841D0054A8004B5B37 /* FoldingCell */,
 			);
 		};
 /* End PBXProject section */
@@ -280,6 +349,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		8499D8831D0054A8004B5B37 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -303,14 +379,27 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		8499D8801D0054A8004B5B37 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8499D8911D0054BF004B5B37 /* FoldingCell.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
 		849851421C5639F9006FA400 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
-			target = 847A58031C294F750028FB84 /* FoldingCell */;
+			target = 847A58031C294F750028FB84 /* FoldingCellDemo */;
 			targetProxy = 849851411C5639F9006FA400 /* PBXContainerItemProxy */;
 		};
+		8499D88B1D0054A8004B5B37 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 8499D8841D0054A8004B5B37 /* FoldingCell */;
+			targetProxy = 8499D88A1D0054A8004B5B37 /* PBXContainerItemProxy */;
+		};
 /* End PBXTargetDependency section */
 
 /* Begin PBXVariantGroup section */
@@ -468,6 +557,52 @@
 			};
 			name = Release;
 		};
+		8499D88F1D0054A8004B5B37 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 1;
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				INFOPLIST_FILE = FoldingCell/Info.plist;
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.FoldingCell;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Debug;
+		};
+		8499D8901D0054A8004B5B37 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 1;
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				INFOPLIST_FILE = FoldingCell/Info.plist;
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.FoldingCell;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Release;
+		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -480,7 +615,7 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		847A58161C294F750028FB84 /* Build configuration list for PBXNativeTarget "FoldingCell" */ = {
+		847A58161C294F750028FB84 /* Build configuration list for PBXNativeTarget "FoldingCellDemo" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				847A58171C294F750028FB84 /* Debug */,
@@ -498,6 +633,14 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		8499D88E1D0054A8004B5B37 /* Build configuration list for PBXNativeTarget "FoldingCell" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				8499D88F1D0054A8004B5B37 /* Debug */,
+				8499D8901D0054A8004B5B37 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+		};
 /* End XCConfigurationList section */
 	};
 	rootObject = 847A57FC1C294F750028FB84 /* Project object */;

FoldingCell/FoldingCell.xcodeproj/project.xcworkspace/xcshareddata/xcschemes/FoldingCell.xcscheme

@@ -1,105 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0720"
-   version = "1.7">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "847A58031C294F750028FB84"
-               BuildableName = "FoldingCell.app"
-               BlueprintName = "FoldingCell"
-               ReferencedContainer = "container:">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "8498513B1C5639F9006FA400"
-               BuildableName = "FoldingCellTests.xctest"
-               BlueprintName = "FoldingCellTests"
-               ReferencedContainer = "container:">
-            </BuildableReference>
-            <LocationScenarioReference
-               identifier = "com.apple.dt.IDEFoundation.CurrentLocationScenarioIdentifier"
-               referenceType = "1">
-            </LocationScenarioReference>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
-            BlueprintName = "FoldingCell"
-            ReferencedContainer = "container:">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
-            BlueprintName = "FoldingCell"
-            ReferencedContainer = "container:">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
-            BlueprintName = "FoldingCell"
-            ReferencedContainer = "container:">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0730"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -14,8 +14,8 @@
             buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
-               BlueprintIdentifier = "847A58031C294F750028FB84"
-               BuildableName = "FoldingCell.app"
+               BlueprintIdentifier = "8499D8841D0054A8004B5B37"
+               BuildableName = "FoldingCell.framework"
                BlueprintName = "FoldingCell"
                ReferencedContainer = "container:FoldingCell.xcodeproj">
             </BuildableReference>
@@ -28,26 +28,7 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "8498513B1C5639F9006FA400"
-               BuildableName = "FoldingCellTests.xctest"
-               BlueprintName = "FoldingCellTests"
-               ReferencedContainer = "container:FoldingCell.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
-            BlueprintName = "FoldingCell"
-            ReferencedContainer = "container:FoldingCell.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </TestAction>
@@ -61,16 +42,15 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
+            BlueprintIdentifier = "8499D8841D0054A8004B5B37"
+            BuildableName = "FoldingCell.framework"
             BlueprintName = "FoldingCell"
             ReferencedContainer = "container:FoldingCell.xcodeproj">
          </BuildableReference>
-      </BuildableProductRunnable>
+      </MacroExpansion>
       <AdditionalOptions>
       </AdditionalOptions>
    </LaunchAction>
@@ -80,16 +60,15 @@
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
       debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
-            BlueprintIdentifier = "847A58031C294F750028FB84"
-            BuildableName = "FoldingCell.app"
+            BlueprintIdentifier = "8499D8841D0054A8004B5B37"
+            BuildableName = "FoldingCell.framework"
             BlueprintName = "FoldingCell"
             ReferencedContainer = "container:FoldingCell.xcodeproj">
          </BuildableReference>
-      </BuildableProductRunnable>
+      </MacroExpansion>
    </ProfileAction>
    <AnalyzeAction
       buildConfiguration = "Debug">

FoldingCell/FoldingCell/Base.lproj/Main.storyboard

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="15C50" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="0cn-rv-Emg">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="0cn-rv-Emg">
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
     </dependencies>
     <customFonts key="customFonts">
         <mutableArray key="OpenSans-Light.ttf">

FoldingCell/FoldingCell/DemoCell.swift

@@ -21,8 +21,7 @@ class DemoCell: FoldingCell {
     
     override func animationDuration(itemIndex:NSInteger, type:AnimationType)-> NSTimeInterval {
      
-        let durations = [0.33, 0.26, 0.26]
-        
+        let durations = [0.26, 0.2, 0.2]
         return durations[itemIndex]
     }
 

FoldingCell/FoldingCell/FoldingCell.h

@@ -0,0 +1,19 @@
+//
+//  FoldingCell.h
+//  FoldingCell
+//
+//  Created by Alex K. on 02/06/16.
+//  Copyright © 2016 Alex K. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+//! Project version number for FoldingCell.
+FOUNDATION_EXPORT double FoldingCellVersionNumber;
+
+//! Project version string for FoldingCell.
+FOUNDATION_EXPORT const unsigned char FoldingCellVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <FoldingCell/PublicHeader.h>
+
+

FoldingCell/FoldingCell/FoldingCell/FoldingCell.swift

@@ -24,457 +24,482 @@
 import UIKit
 
 public class FoldingCell: UITableViewCell {
+  
+  public typealias CompletionHandler = () -> Void
+  
+  @IBOutlet weak public var containerView: UIView!
+  @IBOutlet weak public var foregroundView: RotatedView!
+  var animationView: UIView?
+  
+  @IBInspectable public var itemCount: NSInteger = 2 //count of folding
+  
+  @IBInspectable public var backViewColor: UIColor = UIColor.brownColor()
+  
+  var animationItemViews: [RotatedView]?
+  
+  public enum AnimationType {
+    case Open
+    case Close
+  }
+  
+  // MARK:  life cicle
+  
+  override public func awakeFromNib() {
+    super.awakeFromNib()
     
-    public typealias CompletionHandler = () -> Void
-
-    @IBOutlet weak var containerView: UIView!
-    @IBOutlet weak var foregroundView: RotatedView!
-    var animationView: UIView?
+    configureDefaultState()
     
-    @IBInspectable var itemCount: NSInteger = 2 //count of folding  
+    self.selectionStyle = .None
     
-    @IBInspectable var backViewColor: UIColor = UIColor.brownColor()
+    containerView.layer.cornerRadius = foregroundView.layer.cornerRadius
+    containerView.layer.masksToBounds = true
+  }
+  
+  // MARK: configure
+  
+  func configureDefaultState() {
+    let foregroundTopConstraint = self.contentView.constraints.filter{ $0.identifier == "ForegroundViewTop"}.first
+    let containerViewTopConstraint = self.contentView.constraints.filter{ $0.identifier == "ContainerViewTop"}.first
     
-    var animationItemViews: [RotatedView]?
-    
-    public enum AnimationType {
-        case Open
-        case Close
+    guard let foregroundConstraint = foregroundTopConstraint else {
+      fatalError("set identifier")
     }
-   
-    // MARK:  life cicle
-    
-    override public func awakeFromNib() {
-        super.awakeFromNib()
-        
-        configureDefaultState()
-
-        self.selectionStyle = .None
-        
-        containerView.layer.cornerRadius = foregroundView.layer.cornerRadius
-        containerView.layer.masksToBounds = true
-    }
-
-    // MARK: configure
-    
-    func configureDefaultState() {
-        let foregroundTopConstraint = self.contentView.constraints.filter{ $0.identifier == "ForegroundViewTop"}.first
-        let containerViewTopConstraint = self.contentView.constraints.filter{ $0.identifier == "ContainerViewTop"}.first
-        
-        assert(foregroundTopConstraint != nil, "set identifier")
-        assert(containerViewTopConstraint != nil, "set identifier")
-        
-        containerViewTopConstraint!.constant = foregroundTopConstraint!.constant
-        containerView.alpha = 0;
-        
-        foregroundView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 1)
-        foregroundTopConstraint!.constant += foregroundView.bounds.height / 2
-        foregroundView.layer.transform = foregroundView.transform3d()
-        
-        createAnimationView();
-        self.contentView.bringSubviewToFront(foregroundView)
+    guard let containerConstraint = containerViewTopConstraint else {
+      fatalError("set identifier")
     }
     
-    func createAnimationItemView()->[RotatedView] {
-        var items = [RotatedView]()
-        items.append(foregroundView)
-        var rotatedViews = [RotatedView]()
-        for itemView in animationView!.subviews.filter({$0 is RotatedView}).sort({ $0.tag < $1.tag }) as! [RotatedView] {
-            rotatedViews.append(itemView)
-            if itemView.backView != nil {
-                rotatedViews.append(itemView.backView!)
-            }
-        }
-        items.appendContentsOf(rotatedViews)
-        return items
+    containerConstraint.constant = foregroundConstraint.constant
+    containerView.alpha = 0;
+    
+    foregroundView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 1)
+    foregroundConstraint.constant += foregroundView.bounds.height / 2
+    foregroundView.layer.transform = foregroundView.transform3d()
+    
+    createAnimationView();
+    self.contentView.bringSubviewToFront(foregroundView)
+  }
+  
+  func createAnimationItemView()->[RotatedView] {
+    guard let animationView = self.animationView else {
+      fatalError()
     }
     
-    func configureAnimationItems(animationType: AnimationType) {
+    var items = [RotatedView]()
+    items.append(foregroundView)
+    var rotatedViews = [RotatedView]()
+    for case let itemView as RotatedView in animationView.subviews.filter({$0 is RotatedView}).sort({ $0.tag < $1.tag }){
+      rotatedViews.append(itemView)
+      if let backView = itemView.backView {
+        rotatedViews.append(backView)
+      }
+    }
+    items.appendContentsOf(rotatedViews)
+    return items
+  }
+  
+  func configureAnimationItems(animationType: AnimationType) {
+    
+    guard let animationViewSuperView = animationView?.subviews else {
+      fatalError()
+    }
+    
+    if animationType == .Open {
+      for view in animationViewSuperView.filter({$0 is RotatedView}) {
+        view.alpha = 0;
+      }
+    } else { // close
+      for case let view as RotatedView in animationViewSuperView.filter({$0 is RotatedView}) {
         if animationType == .Open {
-            for view in animationView!.subviews.filter({$0 is RotatedView}) {
-                view.alpha = 0;
-            }
-        } else { // close
-            for view: RotatedView in animationView!.subviews.filter({$0 is RotatedView}) as! [RotatedView] {
-                if animationType == .Open {
-                    view.alpha = 0
-                } else {
-                    view.alpha = 1
-                    view.backView?.alpha = 0
-                }
-            }
-        }
-    }
-    
-    func createAnimationView() {
-        
-        let anAnimationView = UIView(frame: containerView.frame)
-        anAnimationView.layer.cornerRadius = foregroundView.layer.cornerRadius
-        anAnimationView.backgroundColor = UIColor.clearColor()
-        anAnimationView.translatesAutoresizingMaskIntoConstraints = false
-        self.contentView.addSubview(anAnimationView)
-        
-        // copy constraints from containerView
-        var newConstraints = [NSLayoutConstraint]()
-        for constraint in self.contentView.constraints {
-            if let item: UIView = constraint.firstItem as? UIView {
-                if item == containerView {
-                    let newConstraint = NSLayoutConstraint(
-                        item: anAnimationView,
-                        attribute: constraint.firstAttribute,
-                        relatedBy: constraint.relation,
-                        toItem: constraint.secondItem,
-                        attribute: constraint.secondAttribute,
-                        multiplier: constraint.multiplier,
-                        constant: constraint.constant)
-                    
-                    newConstraints.append(newConstraint)
-                } else if let item: UIView = constraint.secondItem as? UIView {
-                    if item == containerView {
-                        let newConstraint = NSLayoutConstraint(
-                            item: constraint.firstItem,
-                            attribute: constraint.firstAttribute,
-                            relatedBy: constraint.relation,
-                            toItem: anAnimationView,
-                            attribute: constraint.secondAttribute,
-                            multiplier: constraint.multiplier,
-                            constant: constraint.constant)
-                        
-                        newConstraints.append(newConstraint)
-                    }
-                }
-            }
-        }
-        self.contentView.addConstraints(newConstraints)
-        
-        for constraint in containerView.constraints { // added height constraint
-            if constraint.firstAttribute == .Height {
-                let newConstraint = NSLayoutConstraint(
-                    item: anAnimationView,
-                    attribute: constraint.firstAttribute,
-                    relatedBy: constraint.relation,
-                    toItem: nil,
-                    attribute: constraint.secondAttribute,
-                    multiplier: constraint.multiplier,
-                    constant: constraint.constant)
-               
-                anAnimationView.addConstraint(newConstraint)
-            }
-        }
-        
-        animationView = anAnimationView
-    }
-    
-    func addImageItemsToAnimationView() {
-        containerView.alpha = 1;
-        
-        // added first item
-        var image = containerView.pb_takeSnapshot(CGRect(x: 0, y: 0, width: containerView.bounds.size.width, height: foregroundView.bounds.size.height))
-        var imageView = UIImageView(image: image)
-        imageView.tag = 0
-        imageView.layer.cornerRadius = foregroundView.layer.cornerRadius
-        animationView?.addSubview(imageView)
-        
-        // added secod item
-        
-        image = containerView.pb_takeSnapshot(
-            CGRect(x: 0,
-                y: foregroundView.bounds.size.height,
-                width: containerView.bounds.size.width,
-                height: foregroundView.bounds.size.height))
-        
-        imageView = UIImageView(image: image)
-        let rotatedView = RotatedView(frame: imageView.frame)
-        rotatedView.tag = 1
-        rotatedView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 0)
-        rotatedView.layer.transform = rotatedView.transform3d()
-        
-        rotatedView.addSubview(imageView)
-        animationView?.addSubview(rotatedView)
-        rotatedView.frame = CGRect(x: imageView.frame.origin.x,
-            y: foregroundView.bounds.size.height,
-            width: containerView.bounds.size.width,
-            height: foregroundView.bounds.size.height)
-        
-        // added other views
-        let itemHeight = (containerView.bounds.size.height - 2 * foregroundView.bounds.size.height) / CGFloat(itemCount - 2)
-        
-        if itemCount == 2 {
-            // decrease containerView height or increase itemCount
-            assert(containerView.bounds.size.height - 2 * foregroundView.bounds.size.height == 0, "contanerView.height too high")
-        }
-        // decrease containerView height or increase itemCount
-        assert(containerView.bounds.size.height - 2 * foregroundView.bounds.size.height >= itemHeight, "contanerView.height too high")
-        
-        var yPosition = 2 * foregroundView.bounds.size.height
-        var tag = 2
-        for var index = 2; index < itemCount; index++ {
-            
-            image = containerView.pb_takeSnapshot(CGRect(x: 0, y: yPosition, width: containerView.bounds.size.width, height: itemHeight))
-            
-            imageView = UIImageView(image: image)
-            let rotatedView = RotatedView(frame: imageView.frame)
-            
-            rotatedView.addSubview(imageView)
-            rotatedView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 0)
-            rotatedView.layer.transform = rotatedView.transform3d()
-            animationView?.addSubview(rotatedView)
-            rotatedView.frame = CGRect(x: 0, y: yPosition, width: rotatedView.bounds.size.width, height: itemHeight)
-            rotatedView.tag = tag
-            
-            yPosition += itemHeight
-            tag++;
-        }
-        
-        containerView.alpha = 0;
-        
-        // added back view
-        var previusView: RotatedView?
-        for contener in animationView!.subviews.sort({ $0.tag < $1.tag }) {
-            if contener is RotatedView && contener.tag > 0 && contener.tag < animationView!.subviews.count {
-                let rotatedView = contener as! RotatedView
-                previusView?.addBackView(rotatedView.bounds.size.height, color: backViewColor)
-                previusView = rotatedView
-            }
-        }
-        
-        animationItemViews = createAnimationItemView()
-    }
-    
-    // MARK: public
-    
-    public func selectedAnimation(isSelected: Bool, animated: Bool, completion: CompletionHandler?) {
-        
-        if isSelected {
-            
-            if animated {
-                containerView.alpha = 0;
-                openAnimation(completion: completion)
-            } else  {
-                foregroundView.alpha = 0
-                containerView.alpha = 1;
-            }
-            
+          view.alpha = 0
         } else {
-            if animated {
-                closeAnimation(completion: completion)
-            } else {
-                foregroundView.alpha = 1;
-                containerView.alpha = 0;
-            }
+          view.alpha = 1
+          view.backView?.alpha = 0
         }
+      }
     }
+  }
+  
+  func createAnimationView() {
     
-    public func isAnimating()->Bool {
-        guard animationItemViews != nil
-        else {
-            return false
-        }
+    let anAnimationView = UIView(frame: containerView.frame)
+    anAnimationView.layer.cornerRadius = foregroundView.layer.cornerRadius
+    anAnimationView.backgroundColor = UIColor.clearColor()
+    anAnimationView.translatesAutoresizingMaskIntoConstraints = false
+    self.contentView.addSubview(anAnimationView)
+    
+    // copy constraints from containerView
+    var newConstraints = [NSLayoutConstraint]()
+    for constraint in self.contentView.constraints {
+      if let item = constraint.firstItem as? UIView where item == containerView {
+        let newConstraint = NSLayoutConstraint( item: anAnimationView, attribute: constraint.firstAttribute,
+          relatedBy: constraint.relation, toItem: constraint.secondItem, attribute: constraint.secondAttribute,
+          multiplier: constraint.multiplier, constant: constraint.constant)
         
-        for item in animationItemViews! {
-            if item.layer.animationKeys()?.count > 0 {
-                return true
-            }
-        }
-        return false
-    }
-    
-    
-    // MARK: animations
-    
-    public func animationDuration(itemIndex:NSInteger, type:AnimationType)-> NSTimeInterval {
-        assert(false, "added this method to cell")
-        return 0
-    }
-    
-    func durationSequence(type: AnimationType)-> [NSTimeInterval] {
-        var durations = [NSTimeInterval]()
-        for var index = 0; index < itemCount-1; index++ {
-            let duration = animationDuration(index, type: .Open)
-            durations.append(NSTimeInterval(duration / 2.0))
-            durations.append(NSTimeInterval(duration / 2.0))
-        }
-        return durations
-    }
-    
-    func openAnimation(completion completion: CompletionHandler?) {
+        newConstraints.append(newConstraint)
+      } else if let item: UIView = constraint.secondItem as? UIView where item == containerView {
+        let newConstraint = NSLayoutConstraint(item: constraint.firstItem, attribute: constraint.firstAttribute,
+          relatedBy: constraint.relation, toItem: anAnimationView, attribute: constraint.secondAttribute,
+          multiplier: constraint.multiplier, constant: constraint.constant)
         
-        if animationView?.subviews.count == 0 { // added animation items if need
-            addImageItemsToAnimationView()
-        }
+        newConstraints.append(newConstraint)
+      }
+    }
+    self.contentView.addConstraints(newConstraints)
+    
+    for constraint in containerView.constraints { // added height constraint
+      if constraint.firstAttribute == .Height {
+        let newConstraint = NSLayoutConstraint(item: anAnimationView, attribute: constraint.firstAttribute,
+          relatedBy: constraint.relation, toItem: nil, attribute: constraint.secondAttribute,
+          multiplier: constraint.multiplier, constant: constraint.constant)
         
-        animationView?.alpha = 1;
+        anAnimationView.addConstraint(newConstraint)
+      }
+    }
+    animationView = anAnimationView
+  }
+
+  
+  func addImageItemsToAnimationView() {
+    containerView.alpha = 1;
+    let contSize        = containerView.bounds.size
+    let forgSize        = foregroundView.bounds.size
+    
+    // added first item
+    var image = containerView.pb_takeSnapshot(CGRect(x: 0, y: 0, width: contSize.width, height: forgSize.height))
+    var imageView = UIImageView(image: image)
+    imageView.tag = 0
+    imageView.layer.cornerRadius = foregroundView.layer.cornerRadius
+    animationView?.addSubview(imageView)
+    
+    // added secod item
+    image = containerView.pb_takeSnapshot(CGRect(x: 0, y: forgSize.height, width: contSize.width, height: forgSize.height))
+    
+    imageView                     = UIImageView(image: image)
+    let rotatedView               = RotatedView(frame: imageView.frame)
+    rotatedView.tag               = 1
+    rotatedView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 0)
+    rotatedView.layer.transform   = rotatedView.transform3d()
+    
+    rotatedView.addSubview(imageView)
+    animationView?.addSubview(rotatedView)
+    rotatedView.frame = CGRect(x: imageView.frame.origin.x, y: forgSize.height, width: contSize.width, height: forgSize.height)
+    
+    // added other views
+    let itemHeight = (contSize.height - 2 * forgSize.height) / CGFloat(itemCount - 2)
+    
+    if itemCount == 2 {
+      // decrease containerView height or increase itemCount
+      assert(contSize.height - 2 * forgSize.height == 0, "contanerView.height too high")
+    }
+    // decrease containerView height or increase itemCount
+    assert(contSize.height - 2 * forgSize.height >= itemHeight, "contanerView.height too high")
+    
+    var yPosition = 2 * forgSize.height
+    var tag = 2
+    for _ in 2..<itemCount {
+      image = containerView.pb_takeSnapshot(CGRect(x: 0, y: yPosition, width: contSize.width, height: itemHeight))
+      
+      imageView = UIImageView(image: image)
+      let rotatedView = RotatedView(frame: imageView.frame)
+      
+      rotatedView.addSubview(imageView)
+      rotatedView.layer.anchorPoint = CGPoint.init(x: 0.5, y: 0)
+      rotatedView.layer.transform = rotatedView.transform3d()
+      animationView?.addSubview(rotatedView)
+      rotatedView.frame = CGRect(x: 0, y: yPosition, width: rotatedView.bounds.size.width, height: itemHeight)
+      rotatedView.tag = tag
+      
+      yPosition += itemHeight
+      tag += 1;
+    }
+    
+    containerView.alpha = 0;
+    
+    if let animationView = self.animationView {
+      // added back view
+      var previusView: RotatedView?
+      for case let contener as RotatedView in animationView.subviews.sort({ $0.tag < $1.tag })
+        where contener.tag > 0 && contener.tag < animationView.subviews.count {
+          previusView?.addBackView(contener.bounds.size.height, color: backViewColor)
+          previusView = contener
+      }
+    }
+    animationItemViews = createAnimationItemView()
+  }
+  
+  private func removeImageItemsFromAnimationView() {
+    
+    guard let animationView = self.animationView else {
+      return
+    }
+
+    animationView.subviews.forEach({ $0.removeFromSuperview() })
+  }
+
+  
+  // MARK: public
+  
+  public func selectedAnimation(isSelected: Bool, animated: Bool, completion: CompletionHandler?) {
+    
+    if isSelected {
+      
+      if animated {
         containerView.alpha = 0;
-        
-        let durations = durationSequence(.Open)
-        
-        var delay: NSTimeInterval = 0
-        var timing = kCAMediaTimingFunctionEaseIn
-        var from: CGFloat = 0.0;
-        var to: CGFloat = CGFloat(-M_PI / 2)
-        var hidden = true
-        configureAnimationItems(.Open)
-        for var index = 0; index < animationItemViews?.count; index++ {
-            let animatedView = animationItemViews![index]
-            
-            animatedView.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
-            
-            from = from == 0.0 ? CGFloat(M_PI / 2) : 0.0;
-            to = to == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
-            timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
-            hidden = !hidden
-            delay += durations[index]
-        }
-        
-        let firstItemView = animationView!.subviews.filter{$0.tag == 0}.first
-        firstItemView!.layer.masksToBounds = true
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(durations[0] * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
-            firstItemView!.layer.cornerRadius = 0
-        }
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
-            self.animationView?.alpha = 0
-            self.containerView.alpha = 1
-            completion?()
-        }
+        openAnimation(completion: completion)
+      } else  {
+        foregroundView.alpha = 0
+        containerView.alpha = 1;
+      }
+      
+    } else {
+      if animated {
+        closeAnimation(completion: completion)
+      } else {
+        foregroundView.alpha = 1;
+        containerView.alpha = 0;
+      }
+    }
+  }
+  
+  public func isAnimating()->Bool {
+    guard let animationItemViews = self.animationItemViews else {
+      return false
     }
     
-    func closeAnimation(completion completion: CompletionHandler?) {
-        
-        if animationView?.subviews.count == 0 { // added animation items if need
-            addImageItemsToAnimationView()
-        }
-        
-        animationView?.alpha = 1;
-        containerView.alpha = 0;
-        
-        var durations = durationSequence(.Close)
-        durations = durations.reverse()
-        
-        var delay: NSTimeInterval = 0
-        var timing = kCAMediaTimingFunctionEaseIn
-        var from: CGFloat = 0.0;
-        var to: CGFloat = CGFloat(M_PI / 2)
-        var hidden = true
-        configureAnimationItems(.Close)
-        for var index = 0; index < animationItemViews?.count; index++ {
-            let animatedView = animationItemViews?.reverse()[index]
-            
-            animatedView!.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
-            
-            to = to == 0.0 ? CGFloat(M_PI / 2) : 0.0;
-            from = from == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
-            timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
-            hidden = !hidden
-            delay += durations[index]
-        }
-        
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
-            self.animationView!.alpha = 0
-            completion?()
-        }
-        
-        let firstItemView = animationView!.subviews.filter{$0.tag == 0}.first
-        firstItemView!.layer.masksToBounds = false
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64((delay - durations.last! * 1.5) * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
-            firstItemView!.layer.cornerRadius = self.foregroundView.layer.cornerRadius
-        }
+    for item in animationItemViews {
+      if item.layer.animationKeys()?.count > 0 {
+        return true
+      }
     }
+    
+    if animationView?.alpha == 1 {
+      return true
+    }
+    
+    return false
+  }
+  
+  
+  // MARK: animations
+  
+  public func animationDuration(itemIndex:NSInteger, type:AnimationType)-> NSTimeInterval {
+    assert(false, "added this method to cell")
+    return 0
+  }
+  
+  func durationSequence(type: AnimationType)-> [NSTimeInterval] {
+    var durations  = [NSTimeInterval]()
+    for index in 0..<itemCount-1 {
+      let duration = animationDuration(index, type: .Open)
+      durations.append(NSTimeInterval(duration / 2.0))
+      durations.append(NSTimeInterval(duration / 2.0))
+    }
+    return durations
+  }
+  
+  func openAnimation(completion completion: CompletionHandler?) {
+    
+    removeImageItemsFromAnimationView()
+    addImageItemsToAnimationView()
+    
+    guard let animationView = self.animationView else {
+      return
+    }
+    
+    animationView.alpha = 1;
+    containerView.alpha = 0;
+    
+    let durations = durationSequence(.Open)
+    
+    var delay: NSTimeInterval = 0
+    var timing                = kCAMediaTimingFunctionEaseIn
+    var from: CGFloat         = 0.0;
+    var to: CGFloat           = CGFloat(-M_PI / 2)
+    var hidden                = true
+    configureAnimationItems(.Open)
+    
+    guard let animationItemViews = self.animationItemViews else {
+      return
+    }
+    
+    for index in 0..<animationItemViews.count {
+      let animatedView = animationItemViews[index]
+      
+      animatedView.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
+      
+      from   = from == 0.0 ? CGFloat(M_PI / 2) : 0.0;
+      to     = to == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
+      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
+      hidden = !hidden
+      delay += durations[index]
+    }
+    
+    let firstItemView = animationView.subviews.filter{$0.tag == 0}.first
+    
+    if let first = firstItemView {
+      first.layer.masksToBounds = true
+      dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(durations[0] * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
+        first.layer.cornerRadius = 0
+      }
+    }
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
+      self.animationView?.alpha = 0
+      self.containerView.alpha  = 1
+      completion?()
+    }
+  }
+  
+  func closeAnimation(completion completion: CompletionHandler?) {
+    
+    removeImageItemsFromAnimationView()
+    addImageItemsToAnimationView()
+    
+    guard let animationItemViews = self.animationItemViews else {
+      fatalError()
+    }
+    
+    animationView?.alpha = 1;
+    containerView.alpha  = 0;
+    
+    var durations: [NSTimeInterval] = durationSequence(.Close).reverse()
+    
+    var delay: NSTimeInterval = 0
+    var timing                = kCAMediaTimingFunctionEaseIn
+    var from: CGFloat         = 0.0;
+    var to: CGFloat           = CGFloat(M_PI / 2)
+    var hidden                = true
+    configureAnimationItems(.Close)
+    
+    if durations.count < animationItemViews.count {
+      fatalError("wrong override func animationDuration(itemIndex:NSInteger, type:AnimationType)-> NSTimeInterval")
+    }
+    for index in 0..<animationItemViews.count {
+      let animatedView = animationItemViews.reverse()[index]
+      
+      animatedView.foldingAnimation(timing, from: from, to: to, duration: durations[index], delay: delay, hidden: hidden)
+      
+      to     = to == 0.0 ? CGFloat(M_PI / 2) : 0.0;
+      from   = from == 0.0 ? CGFloat(-M_PI / 2) : 0.0;
+      timing = timing == kCAMediaTimingFunctionEaseIn ? kCAMediaTimingFunctionEaseOut : kCAMediaTimingFunctionEaseIn;
+      hidden = !hidden
+      delay += durations[index]
+    }
+    
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
+      if let animationView  = self.animationView {
+        animationView.alpha = 0
+      }
+      completion?()
+    }
+    
+    if let animationView = self.animationView {
+      let firstItemView = animationView.subviews.filter{$0.tag == 0}.first
+      firstItemView?.layer.cornerRadius = 0
+      if let durationLast = durations.last {
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64((delay - durationLast - durationLast / 2.0) * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
+          firstItemView?.layer.cornerRadius = self.foregroundView.layer.cornerRadius
+        }
+      }
+    }
+  }
 }
 
 
 // MARK: RotatedView
 
 public class RotatedView: UIView {
-    var hiddenAfterAnimation = false
-    var backView: RotatedView?
+  var hiddenAfterAnimation = false
+  var backView: RotatedView?
+  
+  func addBackView(height: CGFloat, color:UIColor) {
+    let view                                       = RotatedView(frame: CGRect.zero)
+    view.backgroundColor                           = color
+    view.layer.anchorPoint                         = CGPoint.init(x: 0.5, y: 1)
+    view.layer.transform                           = view.transform3d()
+    view.translatesAutoresizingMaskIntoConstraints = false;
+    self.addSubview(view)
+    backView = view
     
-    func addBackView(height: CGFloat, color:UIColor) {
-        let view = RotatedView(frame: CGRect.zero)
-        view.backgroundColor = color
-        view.layer.anchorPoint = CGPoint.init(x: 0.5, y: 1)
-        view.layer.transform = view.transform3d()
-        view.translatesAutoresizingMaskIntoConstraints = false;
-        self.addSubview(view)
-        backView = view
-        
-        view.addConstraint(NSLayoutConstraint(item: view,
-                                         attribute: .Height,
-                                         relatedBy: .Equal,
-                                            toItem: nil,
-                                         attribute: .Height,
-                                        multiplier: 1,
-                                          constant: height))
-        
-        self.addConstraints([
-             NSLayoutConstraint(item: view, attribute: .Top, relatedBy: .Equal, toItem: self, attribute: .Top, multiplier: 1, constant: self.bounds.size.height - height + height / 2),
-             NSLayoutConstraint(item: view, attribute: .Leading, relatedBy: .Equal, toItem: self, attribute: .Leading, multiplier: 1, constant: 0),
-             NSLayoutConstraint(item: view, attribute: .Trailing, relatedBy: .Equal, toItem: self, attribute: .Trailing, multiplier: 1, constant: 0)
-        ])
-    }
+    view.addConstraint(NSLayoutConstraint(item: view, attribute: .Height, relatedBy: .Equal, toItem: nil,attribute: .Height,
+      multiplier: 1, constant: height))
+    
+    self.addConstraints([
+      NSLayoutConstraint(item: view, attribute: .Top, relatedBy: .Equal, toItem: self, attribute: .Top, multiplier: 1,
+        constant: self.bounds.size.height - height + height / 2),
+      NSLayoutConstraint(item: view, attribute: .Leading, relatedBy: .Equal, toItem: self, attribute: .Leading,
+        multiplier: 1, constant: 0),
+      NSLayoutConstraint(item: view, attribute: .Trailing, relatedBy: .Equal, toItem: self, attribute: .Trailing,
+        multiplier: 1, constant: 0)
+      ])
+  }
 }
 
 
 extension RotatedView {
+  
+  func rotatedX(angle : CGFloat) {
+    var allTransofrom    = CATransform3DIdentity;
+    let rotateTransform  = CATransform3DMakeRotation(angle, 1, 0, 0)
+    allTransofrom        = CATransform3DConcat(allTransofrom, rotateTransform)
+    allTransofrom        = CATransform3DConcat(allTransofrom, transform3d())
+    self.layer.transform = allTransofrom
+  }
+  
+  func transform3d() -> CATransform3D {
+    var transform = CATransform3DIdentity
+    transform.m34 = 2.5 / -2000;
+    return transform
+  }
+  
+  // MARK: animations
+  
+  func foldingAnimation(timing: String, from: CGFloat, to: CGFloat, duration: NSTimeInterval, delay:NSTimeInterval, hidden:Bool) {
     
-    func rotatedX(angle : CGFloat) {
-        var allTransofrom = CATransform3DIdentity;
-        let rotateTransform = CATransform3DMakeRotation(angle, 1, 0, 0)
-        allTransofrom = CATransform3DConcat(allTransofrom, rotateTransform)
-        allTransofrom = CATransform3DConcat(allTransofrom, transform3d())
-        self.layer.transform = allTransofrom
-    }
+    let rotateAnimation = CABasicAnimation(keyPath: "transform.rotation.x")
+    rotateAnimation.timingFunction      = CAMediaTimingFunction(name: timing)
+    rotateAnimation.fromValue           = (from)
+    rotateAnimation.toValue             = (to)
+    rotateAnimation.duration            = duration
+    rotateAnimation.delegate            = self;
+    rotateAnimation.fillMode            = kCAFillModeForwards
+    rotateAnimation.removedOnCompletion = false;
+    rotateAnimation.beginTime           = CACurrentMediaTime() + delay
     
-    func transform3d()-> CATransform3D {
-        var transform = CATransform3DIdentity
-        transform.m34 = 2.5 / -2000;
-        return transform
-    }
+    self.hiddenAfterAnimation = hidden
     
-    // MARK: animations
-    
-    func foldingAnimation(timing: String, from: CGFloat, to: CGFloat, duration: NSTimeInterval, delay:NSTimeInterval, hidden:Bool) {
-        
-        let rotateAnimation = CABasicAnimation(keyPath: "transform.rotation.x")
-        rotateAnimation.timingFunction = CAMediaTimingFunction(name: timing)
-        rotateAnimation.fromValue = (from)
-        rotateAnimation.toValue = (to)
-        rotateAnimation.duration = duration
-        rotateAnimation.delegate = self;
-        rotateAnimation.fillMode = kCAFillModeForwards;
-        rotateAnimation.removedOnCompletion = false;
-        rotateAnimation.beginTime = CACurrentMediaTime() + delay
-        
-        self.hiddenAfterAnimation = hidden
-        
-        self.layer.addAnimation(rotateAnimation, forKey: "rotation.x")
-    }
-    
-    override public func animationDidStart(anim: CAAnimation) {
-        self.layer.shouldRasterize = true
-        self.alpha = 1
-    }
-    
-    override public func animationDidStop(anim: CAAnimation, finished flag: Bool) {
-        if hiddenAfterAnimation {
-            self.alpha = 0
-        }
-        self.layer.removeAllAnimations()
-        self.layer.shouldRasterize = false
-        self.rotatedX(CGFloat(0))
+    self.layer.addAnimation(rotateAnimation, forKey: "rotation.x")
+  }
+  
+  override public func animationDidStart(anim: CAAnimation) {
+    self.layer.shouldRasterize = true
+    self.alpha = 1
+  }
+  
+  override public func animationDidStop(anim: CAAnimation, finished flag: Bool) {
+    if hiddenAfterAnimation {
+      self.alpha = 0
     }
+    self.layer.removeAllAnimations()
+    self.layer.shouldRasterize = false
+    self.rotatedX(CGFloat(0))
+  }
 }
 
 extension UIView {
-    func pb_takeSnapshot(frame: CGRect) -> UIImage {
-        UIGraphicsBeginImageContextWithOptions(frame.size, false, 0.0);
-        
-        let context = UIGraphicsGetCurrentContext();
-        CGContextTranslateCTM(context, frame.origin.x * -1, frame.origin.y * -1);
-        
-        self.layer.renderInContext(UIGraphicsGetCurrentContext()!);
-        let image = UIGraphicsGetImageFromCurrentImageContext();
-        UIGraphicsEndImageContext();
-
-        return image
+  func pb_takeSnapshot(frame: CGRect) -> UIImage? {
+    UIGraphicsBeginImageContextWithOptions(frame.size, false, 0.0)
+    
+    let context = UIGraphicsGetCurrentContext();
+    CGContextTranslateCTM(context, frame.origin.x * -1, frame.origin.y * -1)
+    
+    guard let currentContext = UIGraphicsGetCurrentContext() else {
+      return nil
     }
+    
+    self.layer.renderInContext(currentContext)
+    let image = UIGraphicsGetImageFromCurrentImageContext()
+    UIGraphicsEndImageContext()
+    
+    return image
+  }
 }

FoldingCell/FoldingCell/Info.plist

@@ -13,26 +13,18 @@
 	<key>CFBundleName</key>
 	<string>$(PRODUCT_NAME)</string>
 	<key>CFBundlePackageType</key>
-	<string>APPL</string>
+	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
 	<string>1.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
 	<string>Main</string>
-	<key>UIRequiredDeviceCapabilities</key>
-	<array>
-		<string>armv7</string>
-	</array>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-	</array>
 </dict>
 </plist>

FoldingCell/FoldingCell/MainTableViewController.swift

@@ -94,7 +94,7 @@ class MainTableViewController: UITableViewController {
         } else {// close cell
             cellHeights[indexPath.row] = kCloseCellHeight
             cell.selectedAnimation(false, animated: true, completion: nil)
-            duration = 1.1
+            duration = 0.8
         }
         
         UIView.animateWithDuration(duration, delay: 0, options: .CurveEaseOut, animations: { () -> Void in

README.md

@@ -1,16 +1,21 @@
+![header](./header.png)
 # 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)
 [![Travis](https://img.shields.io/travis/Ramotion/folding-cell.svg)](https://travis-ci.org/Ramotion/folding-cell)
+[![codebeat badge](https://codebeat.co/badges/6f67da5d-c416-4bac-9fb7-c2dc938feedc)](https://codebeat.co/projects/github-com-ramotion-folding-cell)
+[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 
 [shot on dribbble](https://dribbble.com/shots/2121350-Delivery-Card):
 ![Animation](Screenshots/folding-cell.gif)
 
+
+The [iPhone mockup](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=folding-cell) available [here](https://store.ramotion.com/product/iphone-6-mockups?utm_source=gthb&utm_medium=special&utm_campaign=folding-cell).
 ## Requirements
 
 - iOS 8.0+
-- Xcode 7.2
+- Xcode 7.3
 
 ## Installation
 
@@ -18,7 +23,23 @@ Just add the FoldingCell.swift file to your project.
 
 or use [CocoaPods](https://cocoapods.org) with Podfile:
 ``` ruby
-pod 'FoldingCell', '~> 0.3'
+pod 'FoldingCell', '~> 0.8.1'
+```
+### Setting up with Carthage
+
+[Carthage](https://github.com/Carthage/Carthage) is a decentralized dependency manager that automates the process of adding frameworks to your Cocoa application.
+
+You can install Carthage with [Homebrew](http://brew.sh/) using the following command:
+
+```bash
+$ brew update
+$ brew install carthage
+```
+
+To integrate FoldingCell into your Xcode project using Carthage, specify it in your `Cartfile`:
+
+```ogdl
+github "Dershowitz011/FoldingCell"
 ```
     
 
@@ -47,7 +68,9 @@ property `containerView`. Add constraints from this view to the superview like i
 Your result should be something like this picture:
 ![1.3](/Tutorial-resources/1.3.png)
 
-4) Set ``` @IBInspectable var itemCount: NSInteger ``` property is a count of folding (it IBInspectable you can set in storyborad). range 2 or greater. Default value is 2
+[Demonstration adding constraints for foregroundView, containerView](https://vimeo.com/154954299)
+
+4) Set ``` @IBInspectable var itemCount: NSInteger ``` property is a count of folding (it IBInspectable you can set in storyboard). range 2 or greater. Default value is 2
 
 Ok, we've finished configuring the cell.
 
@@ -132,13 +155,13 @@ Ok, we've finished configuring the cell.
 
 ## Licence
 
-Adaptive tab bar is released under the MIT license.
+Folding cell is released under the MIT license.
 See [LICENSE](./LICENSE) for details.
 
 
 ## About
-The project maintained by [app development agency](http://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell) [Ramotion Inc.](http://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell)
-See our other [open-source projects](https://github.com/ramotion) or [hire](http://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell) us to design, develop, and grow your product.
+The project maintained by [app development agency](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell) [Ramotion Inc.](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell)
+See our other [open-source projects](https://github.com/ramotion) or [hire](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=foolding-cell) us to design, develop, and grow your product.
 
 [![Twitter URL](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=https://github.com/ramotion/foolding-cell)
 [![Twitter Follow](https://img.shields.io/twitter/follow/ramotion.svg?style=social)](https://twitter.com/ramotion)