├── DiffableDataSource.xcodeproj
    ├── project.pbxproj
    └── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │       └── IDEWorkspaceChecks.plist
├── DiffableDataSource
    ├── AppDelegate.swift
    ├── Assets.xcassets
    │   ├── AppIcon.appiconset
    │   │   └── Contents.json
    │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── Info.plist
    ├── Models
    │   └── Country.swift
    ├── SceneDelegate.swift
    ├── Screens
    │   ├── CollectionView
    │   │   ├── CollectionViewCell.swift
    │   │   └── CollectionViewController.swift
    │   └── TableView
    │   │   └── TableViewController.swift
    └── ViewController.swift
├── DiffableDataSourceTests
    ├── DiffableDataSourceTests.swift
    └── Info.plist
└── LICENSE


/DiffableDataSource.xcodeproj/project.pbxproj:
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379 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
380 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
381 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
382 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
383 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
384 | 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
385 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
386 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
387 | 				COPY_PHASE_STRIP = NO;
388 | 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
389 | 				ENABLE_NS_ASSERTIONS = NO;
390 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
391 | 				GCC_C_LANGUAGE_STANDARD = gnu11;
392 | 				GCC_NO_COMMON_BLOCKS = YES;
393 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
394 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
395 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
396 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
397 | 				GCC_WARN_UNUSED_FUNCTION = YES;
398 | 				GCC_WARN_UNUSED_VARIABLE = YES;
399 | 				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
400 | 				MTL_ENABLE_DEBUG_INFO = NO;
401 | 				MTL_FAST_MATH = YES;
402 | 				SDKROOT = iphoneos;
403 | 				SWIFT_COMPILATION_MODE = wholemodule;
404 | 				SWIFT_OPTIMIZATION_LEVEL = "-O";
405 | 				VALIDATE_PRODUCT = YES;
406 | 			};
407 | 			name = Release;
408 | 		};
409 | 		E3A1856422CAF22F00F4D06C /* Debug */ = {
410 | 			isa = XCBuildConfiguration;
411 | 			buildSettings = {
412 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
413 | 				CODE_SIGN_STYLE = Automatic;
414 | 				INFOPLIST_FILE = DiffableDataSource/Info.plist;
415 | 				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
416 | 				LD_RUNPATH_SEARCH_PATHS = (
417 | 					"$(inherited)",
418 | 					"@executable_path/Frameworks",
419 | 				);
420 | 				PRODUCT_BUNDLE_IDENTIFIER = WF.DiffableDataSource;
421 | 				PRODUCT_NAME = "$(TARGET_NAME)";
422 | 				SWIFT_VERSION = 5.0;
423 | 				TARGETED_DEVICE_FAMILY = "1,2";
424 | 			};
425 | 			name = Debug;
426 | 		};
427 | 		E3A1856522CAF22F00F4D06C /* Release */ = {
428 | 			isa = XCBuildConfiguration;
429 | 			buildSettings = {
430 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
431 | 				CODE_SIGN_STYLE = Automatic;
432 | 				INFOPLIST_FILE = DiffableDataSource/Info.plist;
433 | 				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
434 | 				LD_RUNPATH_SEARCH_PATHS = (
435 | 					"$(inherited)",
436 | 					"@executable_path/Frameworks",
437 | 				);
438 | 				PRODUCT_BUNDLE_IDENTIFIER = WF.DiffableDataSource;
439 | 				PRODUCT_NAME = "$(TARGET_NAME)";
440 | 				SWIFT_VERSION = 5.0;
441 | 				TARGETED_DEVICE_FAMILY = "1,2";
442 | 			};
443 | 			name = Release;
444 | 		};
445 | 		E3A1856722CAF22F00F4D06C /* Debug */ = {
446 | 			isa = XCBuildConfiguration;
447 | 			buildSettings = {
448 | 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
449 | 				BUNDLE_LOADER = "$(TEST_HOST)";
450 | 				CODE_SIGN_STYLE = Automatic;
451 | 				INFOPLIST_FILE = DiffableDataSourceTests/Info.plist;
452 | 				LD_RUNPATH_SEARCH_PATHS = (
453 | 					"$(inherited)",
454 | 					"@executable_path/Frameworks",
455 | 					"@loader_path/Frameworks",
456 | 				);
457 | 				PRODUCT_BUNDLE_IDENTIFIER = WF.DiffableDataSourceTests;
458 | 				PRODUCT_NAME = "$(TARGET_NAME)";
459 | 				SWIFT_VERSION = 5.0;
460 | 				TARGETED_DEVICE_FAMILY = "1,2";
461 | 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/DiffableDataSource.app/DiffableDataSource";
462 | 			};
463 | 			name = Debug;
464 | 		};
465 | 		E3A1856822CAF22F00F4D06C /* Release */ = {
466 | 			isa = XCBuildConfiguration;
467 | 			buildSettings = {
468 | 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
469 | 				BUNDLE_LOADER = "$(TEST_HOST)";
470 | 				CODE_SIGN_STYLE = Automatic;
471 | 				INFOPLIST_FILE = DiffableDataSourceTests/Info.plist;
472 | 				LD_RUNPATH_SEARCH_PATHS = (
473 | 					"$(inherited)",
474 | 					"@executable_path/Frameworks",
475 | 					"@loader_path/Frameworks",
476 | 				);
477 | 				PRODUCT_BUNDLE_IDENTIFIER = WF.DiffableDataSourceTests;
478 | 				PRODUCT_NAME = "$(TARGET_NAME)";
479 | 				SWIFT_VERSION = 5.0;
480 | 				TARGETED_DEVICE_FAMILY = "1,2";
481 | 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/DiffableDataSource.app/DiffableDataSource";
482 | 			};
483 | 			name = Release;
484 | 		};
485 | /* End XCBuildConfiguration section */
486 | 
487 | /* Begin XCConfigurationList section */
488 | 		E3A1853F22CAF22C00F4D06C /* Build configuration list for PBXProject "DiffableDataSource" */ = {
489 | 			isa = XCConfigurationList;
490 | 			buildConfigurations = (
491 | 				E3A1856122CAF22F00F4D06C /* Debug */,
492 | 				E3A1856222CAF22F00F4D06C /* Release */,
493 | 			);
494 | 			defaultConfigurationIsVisible = 0;
495 | 			defaultConfigurationName = Release;
496 | 		};
497 | 		E3A1856322CAF22F00F4D06C /* Build configuration list for PBXNativeTarget "DiffableDataSource" */ = {
498 | 			isa = XCConfigurationList;
499 | 			buildConfigurations = (
500 | 				E3A1856422CAF22F00F4D06C /* Debug */,
501 | 				E3A1856522CAF22F00F4D06C /* Release */,
502 | 			);
503 | 			defaultConfigurationIsVisible = 0;
504 | 			defaultConfigurationName = Release;
505 | 		};
506 | 		E3A1856622CAF22F00F4D06C /* Build configuration list for PBXNativeTarget "DiffableDataSourceTests" */ = {
507 | 			isa = XCConfigurationList;
508 | 			buildConfigurations = (
509 | 				E3A1856722CAF22F00F4D06C /* Debug */,
510 | 				E3A1856822CAF22F00F4D06C /* Release */,
511 | 			);
512 | 			defaultConfigurationIsVisible = 0;
513 | 			defaultConfigurationName = Release;
514 | 		};
515 | /* End XCConfigurationList section */
516 | 	};
517 | 	rootObject = E3A1853C22CAF22C00F4D06C /* Project object */;
518 | }
519 | 


--------------------------------------------------------------------------------
/DiffableDataSource.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:DiffableDataSource.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/DiffableDataSource.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/DiffableDataSource/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 | 
14 | 
15 | 
16 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
17 |         // Override point for customization after application launch.
18 |         return true
19 |     }
20 | 
21 |     func applicationWillTerminate(_ application: UIApplication) {
22 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
23 |     }
24 | 
25 |     // MARK: UISceneSession Lifecycle
26 | 
27 |     func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
28 |         // Called when a new scene session is being created.
29 |         // Use this method to select a configuration to create the new scene with.
30 |         return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
31 |     }
32 | 
33 |     func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
34 |         // Called when the user discards a scene session.
35 |         // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
36 |         // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
37 |     }
38 | 
39 | 
40 | }
41 | 
42 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "20x20",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "20x20",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "29x29",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "29x29",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "40x40",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "40x40",
31 |       "scale" : "3x"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "size" : "60x60",
36 |       "scale" : "2x"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "size" : "60x60",
41 |       "scale" : "3x"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "size" : "20x20",
46 |       "scale" : "1x"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "size" : "20x20",
51 |       "scale" : "2x"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "size" : "29x29",
56 |       "scale" : "1x"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "size" : "29x29",
61 |       "scale" : "2x"
62 |     },
63 |     {
64 |       "idiom" : "ipad",
65 |       "size" : "40x40",
66 |       "scale" : "1x"
67 |     },
68 |     {
69 |       "idiom" : "ipad",
70 |       "size" : "40x40",
71 |       "scale" : "2x"
72 |     },
73 |     {
74 |       "idiom" : "ipad",
75 |       "size" : "76x76",
76 |       "scale" : "1x"
77 |     },
78 |     {
79 |       "idiom" : "ipad",
80 |       "size" : "76x76",
81 |       "scale" : "2x"
82 |     },
83 |     {
84 |       "idiom" : "ipad",
85 |       "size" : "83.5x83.5",
86 |       "scale" : "2x"
87 |     },
88 |     {
89 |       "idiom" : "ios-marketing",
90 |       "size" : "1024x1024",
91 |       "scale" : "1x"
92 |     }
93 |   ],
94 |   "info" : {
95 |     "version" : 1,
96 |     "author" : "xcode"
97 |   }
98 | }


--------------------------------------------------------------------------------
/DiffableDataSource/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "version" : 1,
4 |     "author" : "xcode"
5 |   }
6 | }


--------------------------------------------------------------------------------
/DiffableDataSource/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14810.11" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="uef-HM-AQr">
  3 |     <device id="retina4_7" orientation="portrait" appearance="light"/>
  4 |     <dependencies>
  5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14766.13"/>
  6 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
  7 |         <capability name="collection view cell content view" minToolsVersion="11.0"/>
  8 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
  9 |     </dependencies>
 10 |     <scenes>
 11 |         <!--Navigation Controller-->
 12 |         <scene sceneID="MYD-6z-qfg">
 13 |             <objects>
 14 |                 <navigationController id="uef-HM-AQr" sceneMemberID="viewController">
 15 |                     <navigationBar key="navigationBar" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="daW-Vt-WKy">
 16 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
 17 |                         <autoresizingMask key="autoresizingMask"/>
 18 |                     </navigationBar>
 19 |                     <connections>
 20 |                         <segue destination="BYZ-38-t0r" kind="relationship" relationship="rootViewController" id="FIR-dU-6Pb"/>
 21 |                     </connections>
 22 |                 </navigationController>
 23 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="NIq-A5-rVp" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
 24 |             </objects>
 25 |             <point key="canvasLocation" x="-954" y="77"/>
 26 |         </scene>
 27 |         <!--Home-->
 28 |         <scene sceneID="tne-QT-ifu">
 29 |             <objects>
 30 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="DiffableDataSource" customModuleProvider="target" sceneMemberID="viewController">
 31 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
 32 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
 33 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 34 |                         <subviews>
 35 |                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="CVi-DT-KZz">
 36 |                                 <rect key="frame" x="100" y="142" width="150" height="72"/>
 37 |                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
 38 |                                 <state key="normal" title="Table View"/>
 39 |                                 <connections>
 40 |                                     <segue destination="Fbt-MR-IKF" kind="show" id="VaH-LY-dsD"/>
 41 |                                 </connections>
 42 |                             </button>
 43 |                             <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="IXo-mp-lxu">
 44 |                                 <rect key="frame" x="100" y="320" width="150" height="72"/>
 45 |                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
 46 |                                 <state key="normal" title="Collection View"/>
 47 |                                 <connections>
 48 |                                     <segue destination="6v2-tY-Ega" kind="show" id="ejD-Xj-w2u"/>
 49 |                                 </connections>
 50 |                             </button>
 51 |                         </subviews>
 52 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
 53 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
 54 |                     </view>
 55 |                     <navigationItem key="navigationItem" title="Home" id="VaF-LW-Shp"/>
 56 |                 </viewController>
 57 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
 58 |             </objects>
 59 |             <point key="canvasLocation" x="-209" y="77"/>
 60 |         </scene>
 61 |         <!--Table View Controller-->
 62 |         <scene sceneID="1FZ-Fy-R2D">
 63 |             <objects>
 64 |                 <viewController id="Fbt-MR-IKF" customClass="TableViewController" customModule="DiffableDataSource" customModuleProvider="target" sceneMemberID="viewController">
 65 |                     <view key="view" contentMode="scaleToFill" id="H8Q-qt-Qk7">
 66 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
 67 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 68 |                         <subviews>
 69 |                             <searchBar contentMode="redraw" translatesAutoresizingMaskIntoConstraints="NO" id="KNd-5W-LO2">
 70 |                                 <rect key="frame" x="0.0" y="44" width="375" height="56"/>
 71 |                                 <textInputTraits key="textInputTraits"/>
 72 |                                 <connections>
 73 |                                     <outlet property="delegate" destination="Fbt-MR-IKF" id="R6S-e8-nGA"/>
 74 |                                 </connections>
 75 |                             </searchBar>
 76 |                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="-1" estimatedRowHeight="-1" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="oEe-4b-6UT">
 77 |                                 <rect key="frame" x="0.0" y="100" width="375" height="567"/>
 78 |                                 <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
 79 |                                 <prototypes>
 80 |                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" reuseIdentifier="cell" id="jQD-cz-tNQ">
 81 |                                         <rect key="frame" x="0.0" y="28" width="375" height="43.5"/>
 82 |                                         <autoresizingMask key="autoresizingMask"/>
 83 |                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="jQD-cz-tNQ" id="auq-rH-RmY">
 84 |                                             <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
 85 |                                             <autoresizingMask key="autoresizingMask"/>
 86 |                                         </tableViewCellContentView>
 87 |                                     </tableViewCell>
 88 |                                 </prototypes>
 89 |                                 <connections>
 90 |                                     <outlet property="delegate" destination="Fbt-MR-IKF" id="JqY-9x-9wz"/>
 91 |                                 </connections>
 92 |                             </tableView>
 93 |                         </subviews>
 94 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
 95 |                         <constraints>
 96 |                             <constraint firstItem="oEe-4b-6UT" firstAttribute="trailing" secondItem="nVi-vN-wWa" secondAttribute="trailing" id="BhW-5D-pvJ"/>
 97 |                             <constraint firstItem="oEe-4b-6UT" firstAttribute="top" secondItem="KNd-5W-LO2" secondAttribute="bottom" id="CKw-ea-Pm9"/>
 98 |                             <constraint firstItem="oEe-4b-6UT" firstAttribute="bottom" secondItem="nVi-vN-wWa" secondAttribute="bottom" id="Mqt-57-V7X"/>
 99 |                             <constraint firstItem="KNd-5W-LO2" firstAttribute="top" secondItem="nVi-vN-wWa" secondAttribute="top" id="NPv-iG-L72"/>
100 |                             <constraint firstItem="oEe-4b-6UT" firstAttribute="leading" secondItem="nVi-vN-wWa" secondAttribute="leading" id="c8N-mr-KrW"/>
101 |                             <constraint firstItem="KNd-5W-LO2" firstAttribute="trailing" secondItem="nVi-vN-wWa" secondAttribute="trailing" id="gnA-Fr-mc8"/>
102 |                             <constraint firstItem="KNd-5W-LO2" firstAttribute="leading" secondItem="nVi-vN-wWa" secondAttribute="leading" id="x60-Nc-Kni"/>
103 |                         </constraints>
104 |                         <viewLayoutGuide key="safeArea" id="nVi-vN-wWa"/>
105 |                     </view>
106 |                     <simulatedNavigationBarMetrics key="simulatedTopBarMetrics" prompted="NO"/>
107 |                     <connections>
108 |                         <outlet property="tableView" destination="oEe-4b-6UT" id="vbb-Zh-Vt8"/>
109 |                     </connections>
110 |                 </viewController>
111 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="yRT-PF-69Z" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
112 |             </objects>
113 |             <point key="canvasLocation" x="589.60000000000002" y="-278.41079460269867"/>
114 |         </scene>
115 |         <!--Collection View Controller-->
116 |         <scene sceneID="HTW-bb-fSv">
117 |             <objects>
118 |                 <viewController id="6v2-tY-Ega" customClass="CollectionViewController" customModule="DiffableDataSource" customModuleProvider="target" sceneMemberID="viewController">
119 |                     <view key="view" contentMode="scaleToFill" id="iPI-nM-VNq">
120 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
121 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
122 |                         <subviews>
123 |                             <searchBar contentMode="redraw" translatesAutoresizingMaskIntoConstraints="NO" id="a9B-33-dhX">
124 |                                 <rect key="frame" x="0.0" y="44" width="375" height="56"/>
125 |                                 <textInputTraits key="textInputTraits"/>
126 |                                 <connections>
127 |                                     <outlet property="delegate" destination="6v2-tY-Ega" id="Yzc-kI-Y8i"/>
128 |                                 </connections>
129 |                             </searchBar>
130 |                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="LA6-GX-MsW">
131 |                                 <rect key="frame" x="0.0" y="100" width="375" height="567"/>
132 |                                 <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
133 |                                 <collectionViewFlowLayout key="collectionViewLayout" minimumLineSpacing="5" minimumInteritemSpacing="5" id="UVh-JA-YDL">
134 |                                     <size key="itemSize" width="165" height="130"/>
135 |                                     <size key="estimatedItemSize" width="165" height="130"/>
136 |                                     <size key="headerReferenceSize" width="0.0" height="0.0"/>
137 |                                     <size key="footerReferenceSize" width="0.0" height="0.0"/>
138 |                                     <inset key="sectionInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
139 |                                 </collectionViewFlowLayout>
140 |                                 <cells>
141 |                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="cell" id="GzQ-85-n3J" customClass="MyCellCollectionViewCell" customModule="DiffableDataSource" customModuleProvider="target">
142 |                                         <rect key="frame" x="0.0" y="0.0" width="58" height="85.5"/>
143 |                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
144 |                                         <collectionViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" id="neq-Po-MNK">
145 |                                             <rect key="frame" x="0.0" y="0.0" width="58" height="85.5"/>
146 |                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
147 |                                             <subviews>
148 |                                                 <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="SHO-VB-skl">
149 |                                                     <rect key="frame" x="0.0" y="0.0" width="58" height="85.5"/>
150 |                                                     <subviews>
151 |                                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Header" textAlignment="center" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="pvO-J6-Awo">
152 |                                                             <rect key="frame" x="8" y="8" width="42" height="41"/>
153 |                                                             <fontDescription key="fontDescription" type="system" pointSize="17"/>
154 |                                                             <nil key="textColor"/>
155 |                                                             <nil key="highlightedColor"/>
156 |                                                         </label>
157 |                                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="center" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="kHe-rK-inq">
158 |                                                             <rect key="frame" x="8" y="57" width="42" height="20.5"/>
159 |                                                             <constraints>
160 |                                                                 <constraint firstAttribute="width" constant="42" id="M4e-Oj-79b"/>
161 |                                                             </constraints>
162 |                                                             <fontDescription key="fontDescription" type="system" pointSize="17"/>
163 |                                                             <nil key="textColor"/>
164 |                                                             <nil key="highlightedColor"/>
165 |                                                         </label>
166 |                                                     </subviews>
167 |                                                     <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
168 |                                                     <constraints>
169 |                                                         <constraint firstAttribute="trailing" secondItem="pvO-J6-Awo" secondAttribute="trailing" constant="8" id="16m-Zb-qSE"/>
170 |                                                         <constraint firstItem="kHe-rK-inq" firstAttribute="top" secondItem="pvO-J6-Awo" secondAttribute="bottom" constant="8" id="G3o-Jy-TQj"/>
171 |                                                         <constraint firstItem="kHe-rK-inq" firstAttribute="leading" secondItem="pvO-J6-Awo" secondAttribute="leading" id="KCI-AS-WEA"/>
172 |                                                         <constraint firstAttribute="bottom" secondItem="kHe-rK-inq" secondAttribute="bottom" constant="8" id="c2e-YU-LA2"/>
173 |                                                         <constraint firstItem="pvO-J6-Awo" firstAttribute="top" secondItem="SHO-VB-skl" secondAttribute="top" constant="8" id="lL4-yj-Q5Z"/>
174 |                                                         <constraint firstItem="pvO-J6-Awo" firstAttribute="leading" secondItem="SHO-VB-skl" secondAttribute="leading" constant="8" id="sxf-2Q-dL7"/>
175 |                                                         <constraint firstAttribute="trailing" secondItem="kHe-rK-inq" secondAttribute="trailing" constant="8" id="whb-yU-ME7"/>
176 |                                                     </constraints>
177 |                                                 </view>
178 |                                             </subviews>
179 |                                             <constraints>
180 |                                                 <constraint firstAttribute="bottom" secondItem="SHO-VB-skl" secondAttribute="bottom" id="BkW-ex-Ga0"/>
181 |                                                 <constraint firstItem="SHO-VB-skl" firstAttribute="leading" secondItem="neq-Po-MNK" secondAttribute="leading" id="iir-1t-K4A"/>
182 |                                                 <constraint firstItem="SHO-VB-skl" firstAttribute="top" secondItem="neq-Po-MNK" secondAttribute="top" id="qhy-QA-CPp"/>
183 |                                                 <constraint firstAttribute="trailing" secondItem="SHO-VB-skl" secondAttribute="trailing" id="wmC-yA-G8a"/>
184 |                                             </constraints>
185 |                                         </collectionViewCellContentView>
186 |                                         <connections>
187 |                                             <outlet property="customBackgroundView" destination="SHO-VB-skl" id="izC-mH-yp0"/>
188 |                                             <outlet property="descriptionLabel" destination="kHe-rK-inq" id="WKg-5y-wkA"/>
189 |                                             <outlet property="headerLabel" destination="pvO-J6-Awo" id="Wj5-6c-ZWq"/>
190 |                                             <outlet property="widthConstraint" destination="M4e-Oj-79b" id="4Tk-Up-H1h"/>
191 |                                         </connections>
192 |                                     </collectionViewCell>
193 |                                 </cells>
194 |                                 <connections>
195 |                                     <outlet property="delegate" destination="6v2-tY-Ega" id="kaq-Xl-gFd"/>
196 |                                 </connections>
197 |                             </collectionView>
198 |                         </subviews>
199 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
200 |                         <constraints>
201 |                             <constraint firstItem="LA6-GX-MsW" firstAttribute="bottom" secondItem="lQN-zd-MYv" secondAttribute="bottom" id="Cxm-m0-p8e"/>
202 |                             <constraint firstItem="a9B-33-dhX" firstAttribute="trailing" secondItem="lQN-zd-MYv" secondAttribute="trailing" id="LnS-5k-OGX"/>
203 |                             <constraint firstItem="LA6-GX-MsW" firstAttribute="trailing" secondItem="lQN-zd-MYv" secondAttribute="trailing" id="PAV-xr-n9Q"/>
204 |                             <constraint firstItem="a9B-33-dhX" firstAttribute="top" secondItem="lQN-zd-MYv" secondAttribute="top" id="bhs-We-T6q"/>
205 |                             <constraint firstItem="a9B-33-dhX" firstAttribute="leading" secondItem="lQN-zd-MYv" secondAttribute="leading" id="gAW-1d-iyY"/>
206 |                             <constraint firstItem="LA6-GX-MsW" firstAttribute="leading" secondItem="lQN-zd-MYv" secondAttribute="leading" id="gib-A0-Foq"/>
207 |                             <constraint firstItem="LA6-GX-MsW" firstAttribute="top" secondItem="a9B-33-dhX" secondAttribute="bottom" id="mMj-RL-85S"/>
208 |                         </constraints>
209 |                         <viewLayoutGuide key="safeArea" id="lQN-zd-MYv"/>
210 |                     </view>
211 |                     <simulatedNavigationBarMetrics key="simulatedTopBarMetrics" prompted="NO"/>
212 |                     <connections>
213 |                         <outlet property="collectionView" destination="LA6-GX-MsW" id="Dvc-5p-nVr"/>
214 |                     </connections>
215 |                 </viewController>
216 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="UWr-eL-rmm" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
217 |             </objects>
218 |             <point key="canvasLocation" x="591" y="464"/>
219 |         </scene>
220 |     </scenes>
221 | </document>
222 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>UIApplicationSceneManifest</key>
24 | 	<dict>
25 | 		<key>UIApplicationSupportsMultipleScenes</key>
26 | 		<false/>
27 | 		<key>UISceneConfigurations</key>
28 | 		<dict>
29 | 			<key>UIWindowSceneSessionRoleApplication</key>
30 | 			<array>
31 | 				<dict>
32 | 					<key>UILaunchStoryboardName</key>
33 | 					<string>LaunchScreen</string>
34 | 					<key>UISceneConfigurationName</key>
35 | 					<string>Default Configuration</string>
36 | 					<key>UISceneDelegateClassName</key>
37 | 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
38 | 					<key>UISceneStoryboardFile</key>
39 | 					<string>Main</string>
40 | 				</dict>
41 | 			</array>
42 | 		</dict>
43 | 	</dict>
44 | 	<key>UILaunchStoryboardName</key>
45 | 	<string>LaunchScreen</string>
46 | 	<key>UIMainStoryboardFile</key>
47 | 	<string>Main</string>
48 | 	<key>UIRequiredDeviceCapabilities</key>
49 | 	<array>
50 | 		<string>armv7</string>
51 | 	</array>
52 | 	<key>UISupportedInterfaceOrientations</key>
53 | 	<array>
54 | 		<string>UIInterfaceOrientationPortrait</string>
55 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
56 | 		<string>UIInterfaceOrientationLandscapeRight</string>
57 | 	</array>
58 | 	<key>UISupportedInterfaceOrientations~ipad</key>
59 | 	<array>
60 | 		<string>UIInterfaceOrientationPortrait</string>
61 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
62 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
63 | 		<string>UIInterfaceOrientationLandscapeRight</string>
64 | 	</array>
65 | </dict>
66 | </plist>
67 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Models/Country.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  Country.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import Foundation
10 | 
11 | struct Country: Hashable {
12 |     let name: String
13 |     let identifier = UUID()
14 | 
15 |     func hash(into hasher: inout Hasher) {
16 |         hasher.combine(identifier)
17 |     }
18 | 
19 |     static func ==(lhs: Country, rhs: Country) -> Bool {
20 |         return lhs.identifier == rhs.identifier
21 |     }
22 | 
23 |     func contains(query: String?) -> Bool {
24 |         guard let query = query else { return true }
25 |         guard !query.isEmpty else { return true }
26 |         let lowerCasedQuery = query.lowercased()
27 |         return name.lowercased().contains(lowerCasedQuery)
28 |     }
29 | }
30 | 


--------------------------------------------------------------------------------
/DiffableDataSource/SceneDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SceneDelegate.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | class SceneDelegate: UIResponder, UIWindowSceneDelegate {
12 | 
13 |     var window: UIWindow?
14 | 
15 | 
16 |     func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
17 |         // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
18 |         // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
19 |         // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
20 |         guard let _ = (scene as? UIWindowScene) else { return }
21 |     }
22 | 
23 |     func sceneDidDisconnect(_ scene: UIScene) {
24 |         // Called as the scene is being released by the system.
25 |         // This occurs shortly after the scene enters the background, or when its session is discarded.
26 |         // Release any resources associated with this scene that can be re-created the next time the scene connects.
27 |         // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead).
28 |     }
29 | 
30 |     func sceneDidBecomeActive(_ scene: UIScene) {
31 |         // Called when the scene has moved from an inactive state to an active state.
32 |         // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
33 |     }
34 | 
35 |     func sceneWillResignActive(_ scene: UIScene) {
36 |         // Called when the scene will move from an active state to an inactive state.
37 |         // This may occur due to temporary interruptions (ex. an incoming phone call).
38 |     }
39 | 
40 |     func sceneWillEnterForeground(_ scene: UIScene) {
41 |         // Called as the scene transitions from the background to the foreground.
42 |         // Use this method to undo the changes made on entering the background.
43 |     }
44 | 
45 |     func sceneDidEnterBackground(_ scene: UIScene) {
46 |         // Called as the scene transitions from the foreground to the background.
47 |         // Use this method to save data, release shared resources, and store enough scene-specific state information
48 |         // to restore the scene back to its current state.
49 |     }
50 | 
51 | 
52 | }
53 | 
54 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Screens/CollectionView/CollectionViewCell.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  TableViewCell.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | class MyCellCollectionViewCell: UICollectionViewCell {
12 | 
13 |     @IBOutlet weak var headerLabel: UILabel!
14 |     @IBOutlet weak var descriptionLabel: UILabel!
15 |     @IBOutlet weak var widthConstraint: NSLayoutConstraint!
16 |     @IBOutlet weak var customBackgroundView: UIView!
17 | 
18 |     override func awakeFromNib() {
19 |         self.contentView.translatesAutoresizingMaskIntoConstraints = false
20 |     }
21 | }
22 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Screens/CollectionView/CollectionViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  CollectionViewController.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | final class CollectionViewController: UIViewController {
12 | 
13 |     enum Section: CaseIterable {
14 |         case main
15 |     }
16 | 
17 |     @IBOutlet weak var collectionView: UICollectionView!
18 |     var dataSource: UICollectionViewDiffableDataSource<Section, Country>!
19 |     var countries: [Country] = []
20 | 
21 |     override func viewDidLoad() {
22 |         super.viewDidLoad()
23 | 
24 |         let countryNames = ["Afghanistan",
25 |                             "Albania",
26 |                             "Algeria",
27 |                             "Andorra",
28 |                             "Angola",
29 |                             "Antigua and Barbuda and or and or",
30 |                             "Argentina",
31 |                             "Armenia",
32 |                             "Australia",
33 |                             "Austria",
34 |                             "Azerbaijan",
35 |                             "Bahamas",
36 |                             "Bahrain",
37 |                             "Bangladesh",
38 |                             "Barbados",
39 |                             "Belarus"]
40 |         for name in countryNames {
41 |             countries.append(Country(name: name))
42 |         }
43 | 
44 |         dataSource = UICollectionViewDiffableDataSource
45 |             <Section, Country>(collectionView: collectionView) {
46 |                 (collectionView: UICollectionView, indexPath: IndexPath,
47 |                 country: Country) -> UICollectionViewCell? in
48 |                 guard let cell = collectionView.dequeueReusableCell(
49 |                     withReuseIdentifier: "cell", for: indexPath) as? MyCellCollectionViewCell else {
50 |                         fatalError("Cannot create new cell") }
51 |                 cell.headerLabel.text = "Country"
52 |                 cell.descriptionLabel.text = country.name
53 |                 let screenWidth = collectionView.frame.size.width
54 |                 cell.widthConstraint.constant = (screenWidth/2.0) - (2 * 16.0)
55 |                 return cell
56 |         }
57 | 
58 |         if let flowLayout = collectionView.collectionViewLayout as? UICollectionViewFlowLayout {
59 |             flowLayout.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
60 |         }
61 |     }
62 | 
63 |     override func viewDidLayoutSubviews() {
64 |         super.viewDidLayoutSubviews()
65 |         performSearch(searchQuery: nil)
66 |     }
67 | 
68 |     func performSearch(searchQuery: String?) {
69 |         let filteredCountries: [Country]
70 |         if let searchQuery = searchQuery, !searchQuery.isEmpty {
71 |             filteredCountries = countries.filter { $0.contains(query: searchQuery) }
72 |         } else {
73 |             filteredCountries = countries
74 |         }
75 |         let snapshot = NSDiffableDataSourceSnapshot<Section, Country>()
76 |         snapshot.appendSections([.main])
77 |         snapshot.appendItems(filteredCountries, toSection: .main)
78 |         dataSource.apply(snapshot, animatingDifferences: true)
79 |     }
80 | }
81 | 
82 | extension CollectionViewController: UISearchBarDelegate {
83 |     func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
84 |         performSearch(searchQuery: searchText)
85 |     }
86 | }
87 | 


--------------------------------------------------------------------------------
/DiffableDataSource/Screens/TableView/TableViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  TableViewController.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | final class TableViewController: UIViewController {
12 | 
13 |     enum Section: CaseIterable {
14 |         case main
15 |     }
16 | 
17 |     @IBOutlet weak var tableView: UITableView!
18 |     var countries: [Country] = []
19 |     var dataSource: UITableViewDiffableDataSource<Section, Country>!
20 | 
21 |     override func viewDidLoad() {
22 |         super.viewDidLoad()
23 | 
24 |         let countryNames = ["Afghanistan",
25 |                             "Albania",
26 |                             "Algeria",
27 |                             "Andorra",
28 |                             "Angola",
29 |                             "Antigua and Barbuda",
30 |                             "Argentina",
31 |                             "Armenia",
32 |                             "Australia",
33 |                             "Austria",
34 |                             "Azerbaijan",
35 |                             "Bahamas",
36 |                             "Bahrain",
37 |                             "Bangladesh",
38 |                             "Barbados",
39 |                             "Belarus"]
40 |         for name in countryNames {
41 |             countries.append(Country(name: name))
42 |         }
43 | 
44 |         dataSource = UITableViewDiffableDataSource
45 |             <Section, Country>(tableView: tableView) {
46 |                 (tableView: UITableView, indexPath: IndexPath,
47 |                 country: Country) -> UITableViewCell? in
48 |                 let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
49 |                 cell.textLabel?.text = country.name
50 |                 return cell
51 |         }
52 |         dataSource.defaultRowAnimation = .fade
53 |     }
54 | 
55 | override func viewDidLayoutSubviews() {
56 |     super.viewDidLayoutSubviews()
57 |     performSearch(searchQuery: nil)
58 | }
59 | 
60 |     func performSearch(searchQuery: String?) {
61 |         let filteredCountries: [Country]
62 |         if let searchQuery = searchQuery, !searchQuery.isEmpty {
63 |             filteredCountries = countries.filter { $0.contains(query: searchQuery) }
64 |         } else {
65 |             filteredCountries = countries
66 |         }
67 |         let snapshot = NSDiffableDataSourceSnapshot<Section, Country>()
68 |         snapshot.appendSections([.main])
69 |         snapshot.appendItems(filteredCountries, toSection: .main)
70 |         dataSource.apply(snapshot, animatingDifferences: true)
71 |     }
72 | }
73 | 
74 | extension TableViewController: UISearchBarDelegate {
75 |     func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
76 |         performSearch(searchQuery: searchText)
77 |     }
78 | }
79 | 
80 | extension TableViewController: UITableViewDelegate {
81 |     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
82 |         if let country = dataSource.itemIdentifier(for: indexPath) {
83 |             print("Selected country \(country.name)")
84 |         }
85 |     }
86 | }
87 | 


--------------------------------------------------------------------------------
/DiffableDataSource/ViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.swift
 3 | //  DiffableDataSource
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | class ViewController: UIViewController {
12 | 
13 |     override func viewDidLoad() {
14 |         super.viewDidLoad()
15 |         // Do any additional setup after loading the view.
16 |     }
17 | 
18 | 
19 | }
20 | 
21 | 


--------------------------------------------------------------------------------
/DiffableDataSourceTests/DiffableDataSourceTests.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  DiffableDataSourceTests.swift
 3 | //  DiffableDataSourceTests
 4 | //
 5 | //  Created by Jayesh Kawli on 7/1/19.
 6 | //  Copyright © 2019 Jayesh Kawli. All rights reserved.
 7 | //
 8 | 
 9 | import XCTest
10 | @testable import DiffableDataSource
11 | 
12 | class DiffableDataSourceTests: XCTestCase {
13 | 
14 |     override func setUp() {
15 |         // Put setup code here. This method is called before the invocation of each test method in the class.
16 |     }
17 | 
18 |     override func tearDown() {
19 |         // Put teardown code here. This method is called after the invocation of each test method in the class.
20 |     }
21 | 
22 |     func testExample() {
23 |         // This is an example of a functional test case.
24 |         // Use XCTAssert and related functions to verify your tests produce the correct results.
25 |     }
26 | 
27 |     func testPerformanceExample() {
28 |         // This is an example of a performance test case.
29 |         self.measure {
30 |             // Put the code you want to measure the time of here.
31 |         }
32 |     }
33 | 
34 | }
35 | 


--------------------------------------------------------------------------------
/DiffableDataSourceTests/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2019 Jayesh Kawli
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
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