Improve travel album list selection layout

suixinkan/UI/TravelAlbum/TravelAlbumDetailViewController.swift

@@ -23,8 +23,10 @@ final class TravelAlbumDetailViewController: BaseViewController {
     private var collectionView: UICollectionView!
     private var dataSource: UICollectionViewDiffableDataSource<Int, TravelAlbumMaterial>!
     private let bottomBar = UIView()
+    private let bottomActionStack = UIStackView()
     private let deleteSelectedButton = UIButton(type: .system)
     private let uploadButton = UIButton(type: .system)
+    private var isDeleteSelectedButtonVisible = false
 
     init(albumId: Int, api: any TravelAlbumServing = NetworkServices.shared.travelAlbumAPI) {
         viewModel = TravelAlbumDetailViewModel(albumId: albumId)
@@ -85,9 +87,12 @@ final class TravelAlbumDetailViewController: BaseViewController {
         }
 
         bottomBar.backgroundColor = AppColor.pageBackground
+        bottomActionStack.axis = .vertical
+        bottomActionStack.spacing = 8
         configureBottomButton(deleteSelectedButton, title: "删除选中(0)", color: UIColor(hex: 0xE53935))
         configureBottomButton(uploadButton, title: "上传照片", color: AppColor.primary)
         deleteSelectedButton.isHidden = true
+        deleteSelectedButton.alpha = 0
 
         view.addSubview(scrollContainer)
         scrollContainer.addSubview(infoCard)
@@ -99,24 +104,25 @@ final class TravelAlbumDetailViewController: BaseViewController {
         manageCard.addSubview(selectButton)
         manageCard.addSubview(collectionView)
         view.addSubview(bottomBar)
-        bottomBar.addSubview(deleteSelectedButton)
+        bottomBar.addSubview(bottomActionStack)
-        bottomBar.addSubview(uploadButton)
+        bottomActionStack.addArrangedSubview(deleteSelectedButton)
+        bottomActionStack.addArrangedSubview(uploadButton)
     }
 
     override func setupConstraints() {
         bottomBar.snp.makeConstraints { make in
             make.leading.trailing.bottom.equalToSuperview()
         }
-        deleteSelectedButton.snp.makeConstraints { make in
+        bottomActionStack.snp.makeConstraints { make in
             make.top.equalToSuperview().offset(12)
             make.leading.trailing.equalToSuperview().inset(20)
-            make.height.equalTo(48)
+            make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-12)
+        }
+        deleteSelectedButton.snp.makeConstraints { make in
+            make.height.equalTo(48).priority(.high)
         }
         uploadButton.snp.makeConstraints { make in
-            make.top.equalTo(deleteSelectedButton.snp.bottom).offset(8)
+            make.height.equalTo(48).priority(.high)
-            make.leading.trailing.equalTo(deleteSelectedButton)
-            make.height.equalTo(48)
-            make.bottom.equalTo(view.safeAreaLayoutGuide).offset(-12)
         }
         scrollContainer.snp.makeConstraints { make in
             make.top.equalTo(view.safeAreaLayoutGuide).offset(12)
@@ -189,12 +195,15 @@ final class TravelAlbumDetailViewController: BaseViewController {
         selectButton.isHidden = viewModel.selectedTab != .all
         selectButton.setImage(UIImage(systemName: viewModel.isSelectionMode ? "checkmark.circle.fill" : "circle"), for: .normal)
         selectButton.tintColor = viewModel.isSelectionMode ? AppColor.primary : AppColor.textTertiary
-        deleteSelectedButton.isHidden = !(viewModel.isSelectionMode && !viewModel.selectedMaterialIds.isEmpty)
         deleteSelectedButton.setTitle("删除选中(\(viewModel.selectedMaterialIds.count))", for: .normal)
+        setDeleteSelectedButtonVisible(viewModel.isSelectionMode && !viewModel.selectedMaterialIds.isEmpty)
 
         var snapshot = NSDiffableDataSourceSnapshot<Int, TravelAlbumMaterial>()
         snapshot.appendSections([0])
         snapshot.appendItems(viewModel.materials)
+        if !snapshot.itemIdentifiers.isEmpty {
+            snapshot.reconfigureItems(snapshot.itemIdentifiers)
+        }
         dataSource.apply(snapshot, animatingDifferences: true)
 
         if viewModel.isLoading && viewModel.album == nil {
@@ -231,6 +240,29 @@ final class TravelAlbumDetailViewController: BaseViewController {
         button.layer.cornerRadius = 10
     }
 
+    private func setDeleteSelectedButtonVisible(_ visible: Bool) {
+        guard visible != isDeleteSelectedButtonVisible else { return }
+        isDeleteSelectedButtonVisible = visible
+
+        let changes = {
+            self.deleteSelectedButton.isHidden = !visible
+            self.deleteSelectedButton.alpha = visible ? 1 : 0
+            self.view.layoutIfNeeded()
+        }
+        guard view.window != nil else {
+            changes()
+            return
+        }
+
+        view.layoutIfNeeded()
+        UIView.animate(
+            withDuration: 0.25,
+            delay: 0,
+            options: [.curveEaseInOut, .beginFromCurrentState],
+            animations: changes
+        )
+    }
+
     private func makeLayout() -> UICollectionViewCompositionalLayout {
         UICollectionViewCompositionalLayout { _, environment in
             let spacing: CGFloat = 8

suixinkan/UI/TravelAlbum/TravelAlbumEntryViewController.swift

@@ -42,7 +42,7 @@ final class TravelAlbumEntryViewController: BaseViewController {
         tableView.backgroundColor = .white
         tableView.separatorStyle = .none
         tableView.rowHeight = UITableView.automaticDimension
-        tableView.estimatedRowHeight = 132
+        tableView.estimatedRowHeight = 148
         tableView.delegate = self
         tableView.register(TravelAlbumTaskCell.self, forCellReuseIdentifier: TravelAlbumTaskCell.reuseIdentifier)
 
@@ -305,10 +305,14 @@ private final class TravelAlbumTaskCell: UITableViewCell {
 
         nameLabel.font = .systemFont(ofSize: 16, weight: .bold)
         nameLabel.textColor = AppColor.textPrimary
+        nameLabel.numberOfLines = 1
         timeLabel.font = .systemFont(ofSize: 12)
         timeLabel.textColor = AppColor.textTertiary
+        timeLabel.numberOfLines = 1
         phoneLabel.font = .systemFont(ofSize: 12)
         phoneLabel.textColor = AppColor.textTertiary
+        phoneLabel.numberOfLines = 1
+        phoneLabel.setContentCompressionResistancePriority(.required, for: .vertical)
 
         shareButton.setImage(UIImage(systemName: "square.and.arrow.up"), for: .normal)
         shareButton.tintColor = AppColor.primary
@@ -336,8 +340,8 @@ private final class TravelAlbumTaskCell: UITableViewCell {
             make.edges.equalToSuperview().inset(UIEdgeInsets(top: 6, left: 20, bottom: 6, right: 20))
         }
         coverView.snp.makeConstraints { make in
-            make.leading.top.bottom.equalToSuperview().inset(10)
+            make.leading.top.bottom.equalToSuperview().inset(12)
-            make.size.equalTo(86)
+            make.size.equalTo(112)
         }
         iconView.snp.makeConstraints { make in
             make.center.equalToSuperview()
@@ -360,16 +364,18 @@ private final class TravelAlbumTaskCell: UITableViewCell {
         }
         timeLabel.snp.makeConstraints { make in
             make.top.equalTo(nameLabel.snp.bottom).offset(7)
-            make.leading.trailing.equalTo(nameLabel)
+            make.leading.equalTo(nameLabel)
+            make.trailing.equalToSuperview().offset(-12)
         }
         phoneLabel.snp.makeConstraints { make in
             make.top.equalTo(timeLabel.snp.bottom).offset(5)
-            make.leading.trailing.equalTo(nameLabel)
+            make.leading.equalTo(nameLabel)
+            make.trailing.equalToSuperview().offset(-12)
         }
         uploadButton.snp.makeConstraints { make in
             make.top.equalTo(phoneLabel.snp.bottom).offset(9)
             make.trailing.equalToSuperview().offset(-10)
-            make.bottom.equalToSuperview().offset(-10)
+            make.bottom.equalToSuperview().offset(-12)
             make.height.equalTo(34)
             make.width.greaterThanOrEqualTo(104)
         }