102 lines
3.3 KiB
Swift
102 lines
3.3 KiB
Swift
//
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// NRExploreNovelMenuView.swift
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// ReaderHive
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//
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// Created by 澜声世纪 on 2025/11/25.
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//
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import UIKit
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import SnapKit
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class NRExploreNovelMenuView: UIView {
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override var intrinsicContentSize: CGSize {
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return .init(width: 60, height: UIScreen.height)
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}
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var didSelected: ((Int) -> Void)?
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weak var viewModel: NRExploreNovelViewModel?
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private(set) var selectedIndex = 0
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private lazy var collectionViewLayout: NRWaterfallFlowLayout = {
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let layout = NRWaterfallFlowLayout()
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layout.delegate = self
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return layout
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}()
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private lazy var collectionView: NRCollectionView = {
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let collectionView = NRCollectionView(frame: .zero, collectionViewLayout: collectionViewLayout)
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collectionView.delegate = self
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collectionView.dataSource = self
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collectionView.showsVerticalScrollIndicator = false
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collectionView.register(NRExploreNovelMenuCell.self, forCellWithReuseIdentifier: "cell")
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return collectionView
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}()
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override init(frame: CGRect) {
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super.init(frame: frame)
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nr_setupUI()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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extension NRExploreNovelMenuView {
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private func nr_setupUI() {
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addSubview(collectionView)
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collectionView.snp.makeConstraints { make in
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make.edges.equalToSuperview()
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}
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}
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}
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//AMRK: UICollectionViewDelegate UICollectionViewDataSource
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extension NRExploreNovelMenuView: UICollectionViewDelegate, UICollectionViewDataSource {
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func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
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let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! NRExploreNovelMenuCell
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cell.item = self.viewModel?.menuDataArr[indexPath.row]
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cell.nr_isSelected = indexPath.row == self.selectedIndex
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return cell
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}
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func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
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return self.viewModel?.menuDataArr.count ?? 0
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}
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func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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guard self.selectedIndex != indexPath.row else { return }
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self.selectedIndex = indexPath.row
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self.collectionView.reloadData()
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self.didSelected?(self.selectedIndex)
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}
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}
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//MARK: NRWaterfallMutiSectionDelegate
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extension NRExploreNovelMenuView: NRWaterfallMutiSectionDelegate {
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func heightForRowAtIndexPath(collectionView collection: UICollectionView, layout: NRWaterfallFlowLayout, indexPath: IndexPath, itemWidth: CGFloat) -> CGFloat {
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let item = self.viewModel?.menuDataArr[indexPath.row]
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let textHeight = item?.title?.size(.font(ofSize: 10, weight: .regular), .init(width: 60 - 4, height: 100)).height ?? 0
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return textHeight + 44
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}
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func columnNumber(collectionView collection: UICollectionView, layout: NRWaterfallFlowLayout, section: Int) -> Int {
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return 1
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}
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func lineSpacing(collectionView collection: UICollectionView, layout: NRWaterfallFlowLayout, section: Int) -> CGFloat {
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return 16
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}
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}
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