Merge pull request #10 from underthestars-zhy/main

Allow to set whether the view can be swiped

Sources/ACarousel/ACarousel.swift

@@ -74,9 +74,9 @@ extension ACarousel {
     ///   - autoScroll: A enum that define view to scroll automatically. See
     ///     ``ACarouselAutoScroll``. default is `inactive`.
     ///   - content: The view builder that creates views dynamically.
-    public init(_ data: Data, id: KeyPath<Data.Element, ID>, index: Binding<Int> = .constant(0), spacing: CGFloat = 10, headspace: CGFloat = 10, sidesScaling: CGFloat = 0.8, isWrap: Bool = false, autoScroll: ACarouselAutoScroll = .inactive, @ViewBuilder content: @escaping (Data.Element) -> Content) {
+    public init(_ data: Data, id: KeyPath<Data.Element, ID>, index: Binding<Int> = .constant(0), spacing: CGFloat = 10, headspace: CGFloat = 10, sidesScaling: CGFloat = 0.8, isWrap: Bool = false, autoScroll: ACarouselAutoScroll = .inactive, canMove: Bool = true, @ViewBuilder content: @escaping (Data.Element) -> Content) {
         
-        self.viewModel = ACarouselViewModel(data, id: id, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll)
+        self.viewModel = ACarouselViewModel(data, id: id, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll, canMove: canMove)
         self.content = content
     }
     
@@ -100,9 +100,9 @@ extension ACarousel where ID == Data.Element.ID, Data.Element : Identifiable {
     ///   - autoScroll: A enum that define view to scroll automatically. See
     ///     ``ACarouselAutoScroll``. default is `inactive`.
     ///   - content: The view builder that creates views dynamically.
-    public init(_ data: Data, index: Binding<Int> = .constant(0), spacing: CGFloat = 10, headspace: CGFloat = 10, sidesScaling: CGFloat = 0.8, isWrap: Bool = false, autoScroll: ACarouselAutoScroll = .inactive, @ViewBuilder content: @escaping (Data.Element) -> Content) {
+    public init(_ data: Data, index: Binding<Int> = .constant(0), spacing: CGFloat = 10, headspace: CGFloat = 10, sidesScaling: CGFloat = 0.8, isWrap: Bool = false, autoScroll: ACarouselAutoScroll = .inactive, canMove: Bool = true, @ViewBuilder content: @escaping (Data.Element) -> Content) {
         
-        self.viewModel = ACarouselViewModel(data, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll)
+        self.viewModel = ACarouselViewModel(data, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll, canMove: canMove)
         self.content = content
     }
     

Sources/ACarousel/ACarouselViewModel.swift

@@ -35,8 +35,9 @@ class ACarouselViewModel<Data, ID>: ObservableObject where Data : RandomAccessCo
     private let _isWrap: Bool
     private let _sidesScaling: CGFloat
     private let _autoScroll: ACarouselAutoScroll
+    private let _canMove: Bool
     
-    init(_ data: Data, id: KeyPath<Data.Element, ID>, index: Binding<Int>, spacing: CGFloat, headspace: CGFloat, sidesScaling: CGFloat, isWrap: Bool, autoScroll: ACarouselAutoScroll) {
+    init(_ data: Data, id: KeyPath<Data.Element, ID>, index: Binding<Int>, spacing: CGFloat, headspace: CGFloat, sidesScaling: CGFloat, isWrap: Bool, autoScroll: ACarouselAutoScroll, canMove: Bool) {
         
         guard index.wrappedValue < data.count else {
             fatalError("The index should be less than the count of data ")
@@ -49,6 +50,7 @@ class ACarouselViewModel<Data, ID>: ObservableObject where Data : RandomAccessCo
         self._isWrap = isWrap
         self._sidesScaling = sidesScaling
         self._autoScroll = autoScroll
+        self._canMove = canMove
         
         if data.count > 1 && isWrap {
             activeIndex = index.wrappedValue + 1
@@ -103,8 +105,8 @@ class ACarouselViewModel<Data, ID>: ObservableObject where Data : RandomAccessCo
 
 extension ACarouselViewModel where ID == Data.Element.ID, Data.Element : Identifiable {
     
-    convenience init(_ data: Data, index: Binding<Int>, spacing: CGFloat, headspace: CGFloat, sidesScaling: CGFloat, isWrap: Bool, autoScroll: ACarouselAutoScroll) {
-        self.init(data, id: \.id, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll)
+    convenience init(_ data: Data, index: Binding<Int>, spacing: CGFloat, headspace: CGFloat, sidesScaling: CGFloat, isWrap: Bool, autoScroll: ACarouselAutoScroll, canMove: Bool) {
+        self.init(data, id: \.id, index: index, spacing: spacing, headspace: headspace, sidesScaling: sidesScaling, isWrap: isWrap, autoScroll: autoScroll, canMove: canMove)
     }
 }
 
@@ -236,6 +238,7 @@ extension ACarouselViewModel {
     }
     
     private func dragChanged(_ value: DragGesture.Value) {
+        guard _canMove else { return }
         
         isAnimatedOffset = true
         
@@ -257,6 +260,7 @@ extension ACarouselViewModel {
     }
     
     private func dragEnded(_ value: DragGesture.Value) {
+        guard _canMove else { return }
         /// reset drag offset
         dragOffset = .zero