39 lines
1.5 KiB
Swift
39 lines
1.5 KiB
Swift
//
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// CategoryPickerSection.swift
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// Mastodon
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//
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// Created by Cirno MainasuK on 2021/3/5.
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//
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import UIKit
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import MastodonAsset
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import MastodonLocalization
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enum CategoryPickerSection: Equatable, Hashable {
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case main
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}
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extension CategoryPickerSection {
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static func collectionViewDiffableDataSource(
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for collectionView: UICollectionView,
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dependency: NeedsDependency
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) -> UICollectionViewDiffableDataSource<CategoryPickerSection, CategoryPickerItem> {
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UICollectionViewDiffableDataSource(collectionView: collectionView) { [weak dependency] collectionView, indexPath, item -> UICollectionViewCell? in
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guard let _ = dependency else { return nil }
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let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing: PickServerCategoryCollectionViewCell.self), for: indexPath) as! PickServerCategoryCollectionViewCell
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cell.categoryView.emojiLabel.text = item.emoji
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cell.categoryView.titleLabel.text = item.title
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cell.observe(\.isSelected, options: [.initial, .new]) { cell, _ in
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cell.categoryView.highlightedIndicatorView.alpha = cell.isSelected ? 1 : 0
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cell.categoryView.titleLabel.textColor = cell.isSelected ? Asset.Colors.Label.primary.color : Asset.Colors.Label.secondary.color
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}
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.store(in: &cell.observations)
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cell.isAccessibilityElement = true
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cell.accessibilityLabel = item.accessibilityDescription
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return cell
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}
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}
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}
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