Examples updated to use standard binding. Introduced basic editing to…

… show functionality that wasn't possible before (e.g., it was not possible to observe itemDeleted in previous implementation).
RxSwiftCommunity · Nov 14, 2018 · 021988d · 021988d
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commit 021988d
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Showing 4 changed files with 71 additions and 12 deletions.
diff --git a/Example/RxRealmDataSources/Base.lproj/Main.storyboard b/Example/RxRealmDataSources/Base.lproj/Main.storyboard
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11542" systemVersion="16B2555" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="e5b-i0-Sf8">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="e5b-i0-Sf8">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11524"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -22,9 +22,8 @@
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         <subviews>
-                            <tableView clipsSubviews="YES" contentMode="scaleToFill" fixedFrame="YES" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="47" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="9wF-Hp-Zl1">
-                                <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="47" sectionHeaderHeight="28" sectionFooterHeight="28" translatesAutoresizingMaskIntoConstraints="NO" id="9wF-Hp-Zl1">
+                                <rect key="frame" x="0.0" y="64" width="375" height="603"/>
                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="Cell" rowHeight="47" id="0Fv-lJ-pdU" customClass="PersonCell" customModule="RxRealmDataSources_Example" customModuleProvider="target">
@@ -58,6 +57,12 @@
                             </tableView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="9wF-Hp-Zl1" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" id="KsW-LD-wdn"/>
+                            <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="9wF-Hp-Zl1" secondAttribute="bottom" id="U79-jT-Gz8"/>
+                            <constraint firstAttribute="trailing" secondItem="9wF-Hp-Zl1" secondAttribute="trailing" id="Z66-lL-rSb"/>
+                            <constraint firstItem="9wF-Hp-Zl1" firstAttribute="top" secondItem="jyV-Pf-zRb" secondAttribute="bottom" id="pAN-54-93Z"/>
+                        </constraints>
                     </view>
                     <navigationItem key="navigationItem" id="bPo-jC-4xi"/>
                     <connections>
@@ -141,7 +146,7 @@
                 <navigationController automaticallyAdjustsScrollViewInsets="NO" id="e5b-i0-Sf8" sceneMemberID="viewController">
                     <toolbarItems/>
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="NYx-HQ-0Jl">
-                        <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
+                        <rect key="frame" x="0.0" y="20" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
                     </navigationBar>
                     <nil name="viewControllers"/>
@@ -168,7 +173,7 @@
                                         <rect key="frame" x="0.0" y="35" width="375" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="TUc-X7-1yK" id="oFC-nh-48l">
-                                            <rect key="frame" x="0.0" y="0.0" width="342" height="43"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="43.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="1. Table View Data Source" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="FOy-6e-7Rv">
@@ -188,7 +193,7 @@
                                         <rect key="frame" x="0.0" y="79" width="375" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="iET-qa-wxc" id="CDi-eZ-kOd">
-                                            <rect key="frame" x="0.0" y="0.0" width="342" height="43"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="43.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="2. Collection View Data Source" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="lyi-Vs-zYj">

diff --git a/Example/RxRealmDataSources/CollectionViewController.swift b/Example/RxRealmDataSources/CollectionViewController.swift
@@ -24,6 +24,9 @@ class CollectionViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
+        let longPressGesture = UILongPressGestureRecognizer(target: self, action: #selector(CollectionViewController.handleLongGesture(gesture:)))
+        collectionView.addGestureRecognizer(longPressGesture)
+
         // create data source
         let dataSource = RxCollectionViewRealmDataSource<Lap>(cellIdentifier: "Cell", cellType: LapCollectionCell.self) {cell, ip, lap in
             cell.customLabel.text = "\(ip.row). \(lap.text)"
@@ -36,7 +39,7 @@ class CollectionViewController: UIViewController {
 
         // bind to collection view
         laps
-            .bind(to: collectionView.rx.realmChanges(dataSource))
+            .bind(to: collectionView.rx.items(dataSource: dataSource))
             .disposed(by: bag)
 
         // bind to vc title
@@ -53,8 +56,34 @@ class CollectionViewController: UIViewController {
             .bind(to: rx.title)
             .disposed(by: bag)
 
+        collectionView.rx.dataSource.methodInvoked(#selector(UICollectionViewDataSource.collectionView(_:moveItemAt:to:)))
+            .subscribe(onNext: { a in
+                guard let from = a[1] as? IndexPath, let to = a[2] as? IndexPath else { return }
+                try! realm.write {
+                    let laps = realm.objects(Timer.self).first!.laps
+                    laps.swapAt(from.row, to.row)
+                }
+            })
+            .disposed(by: bag)
+
         // demo inserting and deleting data
         data.start()
     }
-}
 
+    @objc func handleLongGesture(gesture: UILongPressGestureRecognizer) {
+        switch(gesture.state) {
+        case .began:
+            guard let selectedIndexPath = collectionView.indexPathForItem(at: gesture.location(in: collectionView)) else { break }
+            collectionView.beginInteractiveMovementForItem(at: selectedIndexPath)
+            data.stop()
+        case .changed:
+            collectionView.updateInteractiveMovementTargetPosition(gesture.location(in: gesture.view!))
+        case .ended:
+            collectionView.endInteractiveMovement()
+            data.start()
+        default:
+            collectionView.cancelInteractiveMovement()
+            data.start()
+        }
+    }
+}
diff --git a/Example/RxRealmDataSources/DataRandomizer.swift b/Example/RxRealmDataSources/DataRandomizer.swift
@@ -18,7 +18,7 @@ extension Int {
 
 class DataRandomizer {
 
-    private let bag = DisposeBag()
+    private var bag = DisposeBag()
 
     lazy var config: Realm.Configuration = {
         var config = Realm.Configuration.defaultConfiguration
@@ -96,4 +96,8 @@ class DataRandomizer {
             })
             .disposed(by: bag)
     }
+
+    func stop() {
+        bag = DisposeBag()
+    }
 }
diff --git a/Example/RxRealmDataSources/ViewController.swift b/Example/RxRealmDataSources/ViewController.swift
@@ -23,6 +23,7 @@ class ViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
+        navigationItem.rightBarButtonItem = editButtonItem
 
         // create data source
         let dataSource = RxTableViewRealmDataSource<Lap>(cellIdentifier: "Cell", cellType: PersonCell.self) {cell, ip, lap in
@@ -36,7 +37,7 @@ class ViewController: UIViewController {
 
         // bind to table view
         laps
-            .bind(to: tableView.rx.realmChanges(dataSource))
+            .bind(to: tableView.rx.items(dataSource: dataSource))
             .disposed(by: bag)
 
         // bind to vc title
@@ -53,7 +54,27 @@ class ViewController: UIViewController {
             .bind(to: rx.title)
             .disposed(by: bag)
 
+        tableView.rx.itemDeleted.asObservable()
+            .subscribe(onNext: { indexPath in
+                try! realm.write {
+                    let laps = realm.objects(Timer.self).first!.laps
+                    realm.delete(laps[indexPath.row])
+                }
+            })
+            .disposed(by: bag)
+
         // demo inserting and deleting data
         data.start()
     }
+
+    override func setEditing(_ editing: Bool, animated: Bool) {
+        super.setEditing(editing, animated: animated)
+        tableView.setEditing(editing, animated: animated)
+
+        if editing {
+            data.stop()
+        } else {
+            data.start()
+        }
+    }
 }