feat(view): 增加 aspectvgrid view

增加 aspectvgrid view

Signed-off-by: Ching <loooching@gmail.com>

Memorize.xcodeproj/project.pbxproj

@@ -14,6 +14,7 @@
 		245099F32998EAD6000CE9DA /* MemoryGame.swift in Sources */ = {isa = PBXBuildFile; fileRef = 245099F22998EAD6000CE9DA /* MemoryGame.swift */; };
 		245099F52998EC71000CE9DA /* EmojiMemoryGame.swift in Sources */ = {isa = PBXBuildFile; fileRef = 245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */; };
 		24E748FC29993782009B5FE8 /* Constans.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24E748FB29993781009B5FE8 /* Constans.swift */; };
+		24E748FE299944F4009B5FE8 /* AspectVGrid.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24E748FD299944F4009B5FE8 /* AspectVGrid.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -25,6 +26,7 @@
 		245099F22998EAD6000CE9DA /* MemoryGame.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MemoryGame.swift; sourceTree = "<group>"; };
 		245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiMemoryGame.swift; sourceTree = "<group>"; };
 		24E748FB29993781009B5FE8 /* Constans.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Constans.swift; sourceTree = "<group>"; };
+		24E748FD299944F4009B5FE8 /* AspectVGrid.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AspectVGrid.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -59,6 +61,7 @@
 			children = (
 				240EDC3E2998A3B900A46AC9 /* MemorizeApp.swift */,
 				240EDC402998A3B900A46AC9 /* EmojiMemoryGameView.swift */,
+				24E748FD299944F4009B5FE8 /* AspectVGrid.swift */,
 				24E748FB29993781009B5FE8 /* Constans.swift */,
 				245099F22998EAD6000CE9DA /* MemoryGame.swift */,
 				245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */,
@@ -148,6 +151,7 @@
 			files = (
 				245099F32998EAD6000CE9DA /* MemoryGame.swift in Sources */,
 				240EDC412998A3B900A46AC9 /* EmojiMemoryGameView.swift in Sources */,
+				24E748FE299944F4009B5FE8 /* AspectVGrid.swift in Sources */,
 				24E748FC29993782009B5FE8 /* Constans.swift in Sources */,
 				240EDC3F2998A3B900A46AC9 /* MemorizeApp.swift in Sources */,
 				245099F52998EC71000CE9DA /* EmojiMemoryGame.swift in Sources */,

Memorize/AspectVGrid.swift

@@ -0,0 +1,48 @@
+//
+//  AspectVGrid.swift
+//  Memorize
+//
+//  Created by ching on 2023/2/13.
+//
+
+import SwiftUI
+
+struct AspectVGrid<Item, ItemView>: View where ItemView: View, Item: Identifiable {
+    var items: [Item]
+    var aspectRatio: CGFloat
+    var content: (Item) -> ItemView
+    var body: some View {
+        let width: CGFloat = 100
+        LazyVGrid(columns: [GridItem(.adaptive(minimum: width))]) {
+            ForEach(items) {
+                item in content(item).aspectRatio(aspectRatio, contentMode: .fit)
+            }
+        }
+    }
+
+    private func widthThatFits(itemCount: Int, in size: CGSize, itemAspectRatio: CGFloat) -> CGFloat {
+        var columCount = 1
+        var rowCount = itemCount
+
+        repeat {
+            let itemWidth = size.width / CGFloat(columCount)
+            let itemHeight = itemWidth / itemAspectRatio
+            if CGFloat(rowCount) * itemHeight < size.height {
+                break
+            }
+            columCount += 1
+            rowCount = (itemCount + columCount - 1) / columCount
+        } while columCount < itemCount
+        
+        if columCount > itemCount {
+            columCount = itemCount
+        }
+        return floor(size.width / CGFloat(columCount))
+    }
+}
+
+// struct AspectVGrid_Previews: PreviewProvider {
+//    static var previews: some View {
+//        AspectVGrid()
+//    }
+// }

Memorize/EmojiMemoryGameView.swift

@@ -10,19 +10,24 @@ import SwiftUI
 struct EmojiMemoryGameView: View {
     @ObservedObject var game: EmojiMemoryGame
     var body: some View {
-        ScrollView {
+//        ScrollView {
-            LazyVGrid(columns: [GridItem(.adaptive(minimum: const.DrawingConstants.gridWidth))]) {
+//            LazyVGrid(columns: [GridItem(.adaptive(minimum: const.DrawingConstants.gridWidth))]) {
-                ForEach(game.cards) {
+//                ForEach(game.cards) {
+//                    card in CardView(card: card).aspectRatio(const.DrawingConstants.gridAspectRatio, contentMode: .fit)
+//                        .onTapGesture {
+//                            game.choose(card)
+//                        }
+//                }
+//            }
+//        }
+//        .foregroundColor(/*@START_MENU_TOKEN@*/ .red/*@END_MENU_TOKEN@*/)
+//        .padding(.horizontal)
+        AspectVGrid(items: game.cards, aspectRatio: const.DrawingConstants.gridAspectRatio, content: {
             card in CardView(card: card).aspectRatio(const.DrawingConstants.gridAspectRatio, contentMode: .fit)
                 .onTapGesture {
                     game.choose(card)
                 }
-                }
+        })
-            }
-        }
-        .foregroundColor(/*@START_MENU_TOKEN@*/ .red/*@END_MENU_TOKEN@*/)
-        .padding(.horizontal)
-    }
     }
 
 struct CardView: View {