tableview custom animated datasource 추가.

Author: tilltue

BaseExtension.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
 s.name             = 'BaseExtension'
-s.version          = '1.2.5'
+s.version          = '1.2.6'
 s.summary          = 'base extension'
 
 # This description is used to generate tags and improve search results.

BaseExtension/Classes/RxTableViewCustomAnimatedDataSource.swift

@@ -0,0 +1,99 @@
+//
+//  RxTableViewCustomAnimatedDataSource.swift
+//  BaseExtension
+//
+//  Created by wade.hawk on 09/12/2018.
+//
+
+import Foundation
+import UIKit
+import RxSwift
+import RxCocoa
+import RxDataSources
+import Differentiator
+
+open class RxTableViewCustomAnimatedDataSource<S: AnimatableSectionModelType>
+    : TableViewSectionedDataSource<S>
+, RxTableViewDataSourceType {
+    public typealias Element = [S]
+    public typealias DecideViewTransition = (TableViewSectionedDataSource<S>, UITableView, [Changeset<S>]) -> ViewTransition
+    
+    /// Animation configuration for data source
+    public var animationConfiguration: AnimationConfiguration
+    
+    /// Calculates view transition depending on type of changes
+    public var decideViewTransition: DecideViewTransition
+    
+    public var reloadedEvent: (() -> Void)? = nil
+    
+    public init(
+        animationConfiguration: AnimationConfiguration = AnimationConfiguration(),
+        decideViewTransition: @escaping DecideViewTransition = { _, _, _ in .animated },
+        configureCell: @escaping ConfigureCell,
+        titleForHeaderInSection: @escaping  TitleForHeaderInSection = { _, _ in nil },
+        titleForFooterInSection: @escaping TitleForFooterInSection = { _, _ in nil },
+        canEditRowAtIndexPath: @escaping CanEditRowAtIndexPath = { _, _ in false },
+        canMoveRowAtIndexPath: @escaping CanMoveRowAtIndexPath = { _, _ in false },
+        sectionIndexTitles: @escaping SectionIndexTitles = { _ in nil },
+        sectionForSectionIndexTitle: @escaping SectionForSectionIndexTitle = { _, _, index in index }
+        ) {
+        self.animationConfiguration = animationConfiguration
+        self.decideViewTransition = decideViewTransition
+        super.init(
+            configureCell: configureCell,
+            titleForHeaderInSection: titleForHeaderInSection,
+            titleForFooterInSection: titleForFooterInSection,
+            canEditRowAtIndexPath: canEditRowAtIndexPath,
+            canMoveRowAtIndexPath: canMoveRowAtIndexPath,
+            sectionIndexTitles: sectionIndexTitles,
+            sectionForSectionIndexTitle: sectionForSectionIndexTitle
+        )
+    }
+    
+    var dataSet = false
+    
+    open func tableView(_ tableView: UITableView, observedEvent: Event<Element>) {
+        Binder(self) { dataSource, newSections in
+            if !self.dataSet {
+                self.dataSet = true
+                dataSource.setSections(newSections)
+                tableView.reloadData()
+                self.reloadedEvent?()
+            }
+            else {
+                DispatchQueue.main.async {
+                    // if view is not in view hierarchy, performing batch updates will crash the app
+                    if tableView.window == nil {
+                        dataSource.setSections(newSections)
+                        tableView.reloadData()
+                        self.reloadedEvent?()
+                        return
+                    }
+                    let oldSections = dataSource.sectionModels
+                    do {
+                        let differences = try Diff.differencesForSectionedView(initialSections: oldSections, finalSections: newSections)
+                        
+                        switch self.decideViewTransition(self, tableView, differences) {
+                        case .animated:
+                            for difference in differences {
+                                dataSource.setSections(difference.finalSections)
+                                
+                                tableView.performBatchUpdates(difference, animationConfiguration: self.animationConfiguration)
+                            }
+                        case .reload:
+                            self.setSections(newSections)
+                            tableView.reloadData()
+                            self.reloadedEvent?()
+                            return
+                        }
+                    }
+                    catch {
+                        self.setSections(newSections)
+                        tableView.reloadData()
+                        self.reloadedEvent?()
+                    }
+                }
+            }
+            }.on(observedEvent)
+    }
+}

Example/BaseExtension.xcodeproj/project.pbxproj

@@ -429,6 +429,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -474,6 +475,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 4.2;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - BaseExtension (1.2.4):
+  - BaseExtension (1.2.5):
     - RxCocoa
     - RxDataSources
     - RxSwift
@@ -42,7 +42,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  BaseExtension: 36d99aa5256aad56393b8b727b094d14aa0a876c
+  BaseExtension: 0d00b8da5b47fa8d75deeb0f1824b5d9e66bc094
   Differentiator: be49ca3408f0ecfc761e4c7763d20c62be01b9ad
   ObjcExceptionBridging: c30e00eb3700467e695faeea30e26e18bd445001
   RxAtomic: eacf60db868c96bfd63320e28619fe29c179656f