分类置顶功能

Author: ming1016

SwiftPamphletApp/InfoOrganizer/Category/CategoryRowView.swift

@@ -17,20 +17,35 @@ struct CategoryRowView: View {
 
     var body: some View {
         HStack {
+            if cate.pin == 1 {
+                Image(systemName: "pin.fill")
+            }
             TextField("name", text: $cate.name)
             Spacer()
             Text("\(cate.infos?.count ?? 0)")
         }
         .swipeActions {
+            Button {
+                IOCategory.pin(cate)
+            } label: {
+                Label("置顶", systemImage: cate.pin == 1 ? "pin.slash.fill" : "pin.fill")
+            }
             Button(role: .destructive) {
                 IOCategory.delete(cate)
             } label: {
                 Label("删除", systemImage: "trash")
             }
         }
         .contextMenu {
-            Button("删除") {
+            Button {
+                IOCategory.pin(cate)
+            } label: {
+                Label("置顶", systemImage: cate.pin == 1 ? "pin.slash.fill" : "pin.fill")
+            }
+            Button(role: .destructive) {
                 IOCategory.delete(cate)
+            } label: {
+                Label("删除", systemImage: "trash")
             }
         }
 

SwiftPamphletApp/InfoOrganizer/Info/EditInfoView.swift

@@ -84,8 +84,13 @@ struct EditInfoView: View {
                             if categories.isEmpty == false {
                                 Divider()
                                 ForEach(categories) { cate in
-                                    Text(cate.name)
-                                        .tag(Optional(cate))
+                                    HStack {
+                                        if cate.pin == 1 {
+                                            Image(systemName: "pin.fill")
+                                        }
+                                        Text(cate.name)
+                                    }
+                                    .tag(Optional(cate))
                                 }
                             }
                         }

SwiftPamphletApp/InfoOrganizer/Info/InfoListView.swift

@@ -14,7 +14,7 @@ struct InfoListView: View {
     @Binding var selectInfo:IOInfo?
     @State private var sortOrder = [SortDescriptor(\IOInfo.updateDate, order: .reverse)]
 
-    @Query(sort: [SortDescriptor(\IOCategory.name, order: .forward)]) var cates: [IOCategory]
+    @Query(IOCategory.allOrderByName) var cates: [IOCategory]
     @State private var filterCate = ""
     @State var limit: Int = 100
     @State var filterStar: Bool = false
@@ -28,12 +28,20 @@ struct InfoListView: View {
                 }
                 ToolbarItem(placement: .navigation) {
                     Picker("分类", selection: $filterCate) {
-                        Text("全部")
-                            .tag("")
+                        HStack {
+                            Image(systemName: "books.vertical")
+                            Text("全部")
+                        }
+                        .tag("")
 
                         ForEach(cates) { cate in
-                            Text(cate.name)
-                                .tag(cate.name)
+                            HStack {
+                                if cate.pin == 1 {
+                                    Image(systemName: "pin.fill")
+                                }
+                                Text(cate.name)
+                            }
+                            .tag(cate.name)
                         }
                     }
                 }

SwiftPamphletApp/InfoOrganizer/Model/InfoDataModel.swift

@@ -45,7 +45,7 @@ final class IOInfo {
 class IOCategory {
     var name: String = ""
     var infos: [IOInfo]? = [IOInfo]() // 关系字段，链接 IOInfo
-    var star: Bool = false
+    var pin: Int = 0
 
     var createDate: Date = Date.now
     var updateDate: Date = Date.now
@@ -60,14 +60,24 @@ class IOCategory {
     }
 
     static var all: FetchDescriptor<IOCategory> {
-        let fd = FetchDescriptor(sortBy: [SortDescriptor(\IOCategory.updateDate, order: .reverse)])
+        let fd = FetchDescriptor(sortBy: [SortDescriptor(\IOCategory.pin, order: .reverse), SortDescriptor(\IOCategory.updateDate, order: .reverse)])
         return fd
     }
     static var allOrderByName: FetchDescriptor<IOCategory> {
-        let fd = FetchDescriptor(sortBy: [SortDescriptor(\IOCategory.name, order: .forward)])
+        let fd = FetchDescriptor(sortBy: [SortDescriptor(\IOCategory.pin, order: .reverse), SortDescriptor(\IOCategory.name, order: .forward)])
         return fd
     }
 
+    static func pin(_ cate: IOCategory) {
+        if cate.modelContext != nil {
+            if cate.pin == 0 {
+                cate.pin = 1
+            } else {
+                cate.pin = 0
+            }
+        }
+    }
+    
     static func delete(_ cate: IOCategory) {
         if let context = cate.modelContext {
             context.delete(cate)