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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import UIKit | ||
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| final class EmojiCell: UICollectionViewCell, NibReusable { | ||
| @IBOutlet weak var label: UILabel! | ||
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| override func awakeFromNib() { | ||
| super.awakeFromNib() | ||
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| contentView.backgroundColor = UIColor(white: 0.95, alpha: 1) | ||
| contentView.layer.cornerRadius = 8 | ||
| contentView.layer.shadowOffset = CGSize(width: 0, height: 7) | ||
| } | ||
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| override var isHighlighted: Bool { | ||
| didSet { alpha = isHidden ? 0.2 : 1 } | ||
| } | ||
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| override func didUpdateFocus(in context: UIFocusUpdateContext, with coordinator: UIFocusAnimationCoordinator) { | ||
| coordinator.addCoordinatedAnimations({ [weak self] in | ||
| guard let self = self else { return } | ||
| self.contentView.layer.shadowOpacity = self.isFocused ? 0.3 : 0 | ||
| self.contentView.layer.transform = self.isFocused ? CATransform3DMakeScale(1.1, 1.1, 1) : CATransform3DIdentity | ||
| self.layer.zPosition = self.isFocused ? 1 : 0 | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <document type="com.apple.InterfaceBuilder.AppleTV.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="AppleTV" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES"> | ||
| <device id="appleTV" orientation="landscape"> | ||
| <adaptation id="light"/> | ||
| </device> | ||
| <dependencies> | ||
| <deployment identifier="tvOS"/> | ||
| <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/> | ||
| <capability name="Safe area layout guides" minToolsVersion="9.0"/> | ||
| <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/> | ||
| </dependencies> | ||
| <objects> | ||
| <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/> | ||
| <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/> | ||
| <collectionViewCell opaque="NO" multipleTouchEnabled="YES" contentMode="center" id="Zg6-US-FcK" customClass="EmojiCell" customModule="Example_tvOS" customModuleProvider="target"> | ||
| <rect key="frame" x="0.0" y="0.0" width="150" height="90"/> | ||
| <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/> | ||
| <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO"> | ||
| <rect key="frame" x="0.0" y="0.0" width="150" height="90"/> | ||
| <autoresizingMask key="autoresizingMask"/> | ||
| <subviews> | ||
| <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="😁" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Xh8-3R-aih"> | ||
| <rect key="frame" x="0.0" y="0.0" width="150" height="90"/> | ||
| <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/> | ||
| <fontDescription key="fontDescription" style="UICTFontTextStyleHeadline"/> | ||
| <nil key="textColor"/> | ||
| <nil key="highlightedColor"/> | ||
| </label> | ||
| </subviews> | ||
| </view> | ||
| <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/> | ||
| <constraints> | ||
| <constraint firstItem="Xh8-3R-aih" firstAttribute="leading" secondItem="Zg6-US-FcK" secondAttribute="leading" id="Lf3-dv-Js4"/> | ||
| <constraint firstAttribute="bottom" secondItem="Xh8-3R-aih" secondAttribute="bottom" id="Q6r-1B-mOJ"/> | ||
| <constraint firstItem="Xh8-3R-aih" firstAttribute="top" secondItem="Zg6-US-FcK" secondAttribute="top" id="Qew-Zz-RZi"/> | ||
| <constraint firstAttribute="trailing" secondItem="Xh8-3R-aih" secondAttribute="trailing" id="nxP-jf-QMm"/> | ||
| </constraints> | ||
| <viewLayoutGuide key="safeArea" id="1K2-3x-ulA"/> | ||
| <connections> | ||
| <outlet property="label" destination="Xh8-3R-aih" id="ert-4A-vyJ"/> | ||
| </connections> | ||
| <point key="canvasLocation" x="67" y="-8"/> | ||
| </collectionViewCell> | ||
| </objects> | ||
| </document> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import UIKit | ||
| import DifferenceKit | ||
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| final class EmojiViewController: UIViewController { | ||
| enum SectionID: Differentiable, CaseIterable { | ||
| case first, second, third | ||
| } | ||
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| typealias Section = ArraySection<SectionID, String> | ||
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| @IBOutlet private weak var collectionView: UICollectionView! | ||
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| private var data = [Section]() | ||
| private var dataInput: [Section] { | ||
| get { return data } | ||
| set { | ||
| let changeset = StagedChangeset(source: data, target: newValue) | ||
| collectionView.reload(using: changeset) { data in | ||
| self.data = data | ||
| } | ||
| } | ||
| } | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| title = "Emoji" | ||
| navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .refresh, target: self, action: #selector(refresh)) | ||
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| collectionView.delegate = self | ||
| collectionView.dataSource = self | ||
| collectionView.register(cellType: EmojiCell.self) | ||
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| refresh() | ||
| } | ||
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| @IBAction func refresh() { | ||
| let ids = SectionID.allCases | ||
| let Emojis = (0x1F600...0x1F647).compactMap { UnicodeScalar($0).map(String.init) } | ||
| let splitedCount = Int((Double(Emojis.count) / Double(ids.count)).rounded(.up)) | ||
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| dataInput = ids.enumerated().map { offset, model in | ||
| let start = offset * splitedCount | ||
| let end = min(start + splitedCount, Emojis.endIndex) | ||
| let Emojis = Emojis[start..<end] | ||
| return Section(model: model, elements: Emojis) | ||
| } | ||
| } | ||
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| @IBAction func shuffleAllEmojis() { | ||
| var flattenEmojis = ArraySlice(dataInput.flatMap { $0.elements }) | ||
| flattenEmojis.shuffle() | ||
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| dataInput = dataInput.map { section in | ||
| var section = section | ||
| section.elements = Array(flattenEmojis.prefix(section.elements.count)) | ||
| flattenEmojis.removeFirst(section.elements.count) | ||
| return section | ||
| } | ||
| } | ||
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| @IBAction func shuffleSections() { | ||
| dataInput.shuffle() | ||
| } | ||
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| func remove(at indexPath: IndexPath) { | ||
| dataInput[indexPath.section].elements.remove(at: indexPath.item) | ||
| } | ||
| } | ||
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| extension EmojiViewController: UICollectionViewDataSource, UICollectionViewDelegate { | ||
| func numberOfSections(in collectionView: UICollectionView) -> Int { | ||
| return data.count | ||
| } | ||
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| func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { | ||
| return data[section].elements.count | ||
| } | ||
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| func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { | ||
| let cell: EmojiCell = collectionView.dequeueReusableCell(for: indexPath) | ||
| cell.label.text = data[indexPath.section].elements[indexPath.item] | ||
| return cell | ||
| } | ||
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| func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) { | ||
| remove(at: indexPath) | ||
| } | ||
| } |
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