Markieren der aktuellen Auswahl

YAPS/YAPS/ContentView.swift

@@ -15,6 +15,7 @@ struct ContentView: View {
   var body: some View {
     VStack {
       HStack {
+        NavigationView {
           VStack(alignment: .leading) {
             HStack {
               Button(action: {
@@ -22,6 +23,7 @@ struct ContentView: View {
                 
                 if files.count > 0 {
                   self.fileList.removeAll()
+                  
                   self.fileList.append(contentsOf: files)
                 }
               }) {
@@ -41,30 +43,28 @@ struct ContentView: View {
             
             List {
               ForEach(self.fileList, id: \.self) { yapsFile in
-              YapsFileCell(yapsFile: yapsFile)
-              .focusable(true, onFocusChange: { (focusChanged) in
-                //self.focused = focusChanged
-                print("focus changed \(focusChanged)")
-              })
+                YapsFileCell(focused: self.checkCurrentFile(yapsFile: yapsFile), yapsFile: yapsFile)
                 .onTapGesture(perform: {
-                let selectedImageURL: URL = yapsFile.file
-
                   print("pressed \(yapsFile.name)")
                   
-                self.previewImg = FinderHelper.shared.getImageByURL(source: selectedImageURL)
+                  self.previewImg = FinderHelper.shared.getImageByURL(source: yapsFile.file)
                       .resizable()
                   
                   Shared.shared.currentFile = yapsFile
+                  
+                  self.resetCurrentFile()
+                  self.fileList[yapsFile.index].current = true
                 })
               }
             }
+          }
           .listStyle(SidebarListStyle())
+        }
         .focusable()
         .onMoveCommand { (direction) in
           print("direction: \(direction)")
+          print("#\(Shared.shared.currentFile.index) :: \(Shared.shared.currentFile.name)")
         }
-        }
-        .frame(width: 200.0)
         
         GeometryReader { geo in
           self.previewImg.self
@@ -79,6 +79,20 @@ struct ContentView: View {
         .lineLimit(1)
     }
   }
+  
+  func checkCurrentFile(yapsFile: YapsFile) -> Bool {
+    let result: Bool = (Shared.shared.currentFile.index == yapsFile.index)
+    if result {
+      print("current file \(yapsFile.name)")
+    }
+    return result
+  }
+  
+  func resetCurrentFile() {
+    for yapsFile in self.fileList {
+      self.fileList[yapsFile.index].current = false
+    }
+  }
 }
 
 struct ContentView_Previews: PreviewProvider {

YAPS/YAPS/FinderHelper.swift

@@ -41,19 +41,21 @@ class FinderHelper {
   func askForFolderAndGetFiles() -> [YapsFile] {
     let sourceFolder = selectFolder(modalTitle: "Select image folder")
     
-    return getFilesList(path: sourceFolder)
+    return getFileList(path: sourceFolder)
   }
   
-  func getFilesList(path: URL) -> [YapsFile] {
+  func getFileList(path: URL) -> [YapsFile] {
     let fm = FileManager.default
     var fileList = [YapsFile]()
     
     do {
       let items = try fm.contentsOfDirectory(at: path, includingPropertiesForKeys: nil, options: .skipsHiddenFiles).filter{ $0.pathExtension == "jpg" || $0.pathExtension == "jpeg" }
       
+      var index = 0
       for item in items {
-        let yapsFile: YapsFile = YapsFile(name: item.lastPathComponent, file: item)
+        let yapsFile: YapsFile = YapsFile(index: index, name: item.lastPathComponent, file: item, current: false)
         fileList.append(yapsFile)
+        index += 1
       }
     } catch {
       // failed to read directory – bad permissions, perhaps?

YAPS/YAPS/Model/YapsFile.swift

@@ -10,7 +10,8 @@ import Foundation
 
 struct YapsFile: Identifiable, Hashable {
   let id = UUID()
-  
+  let index: Int
   let name: String
   let file: URL
+  var current: Bool
 }

YAPS/YAPS/Shared.swift

@@ -11,7 +11,7 @@ import Foundation
 class Shared: ObservableObject {
   static let shared = Shared()
   
-  var currentFile: YapsFile = YapsFile(name: "EMPTY", file: .init(fileURLWithPath: "Y"))
+  var currentFile: YapsFile = YapsFile(index: -1, name: "EMPTY", file: .init(fileURLWithPath: "Y"), current: false)
   var destination: URL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
   var destinationDefined: Bool = false
   

YAPS/YAPS/Struct/YapsFileCell.swift

@@ -10,7 +10,7 @@ import Foundation
 import SwiftUI
 
 struct YapsFileCell: View {
-  @State var focused: Bool = false
+  @State var focused: Bool
   
   var yapsFile : YapsFile
   
@@ -21,7 +21,7 @@ struct YapsFileCell: View {
       FinderHelper.shared.getImageByFiletype(file: yapsFile.file).resizable().frame(width: 20, height: 20)
       
       // Text
-      Text(yapsFile.name)
+      Text("#\(yapsFile.index) \(yapsFile.name)")
         .foregroundColor(self.focused ? .blue : .gray)
     }
   }