//
//  TestListInsertView.swift
//  TestSwiftUIListOnInsertiOS
//

import SwiftUI
import UniformTypeIdentifiers

struct TestListInsertView: View {
    let sampleData: [String] =
        ["swift", "ios", "xcode", "swiftui"]
    
    var body: some View {
        VStack {
            List {
                ForEach(sampleData, id: \.self) { string in
                    Text(string)
                }
                .onInsert(of: CJSwiftDragDropHandler.arrayForTypes(), perform: dropAction)
            }
        }
    }
    
    private func dropAction(at index: Int, _ items: [NSItemProvider]) {
        print("List onInsert - calling dropAction with index \(index), with items.count = \(items.count)")
    }

}

#Preview {
    TestListInsertView()
}


@objc public class CJSwiftDragDropHandler: NSObject, ObservableObject {

    public static func arrayForTypes() -> [UTType] {
        return [UTType.fileURL, UTType.data, UTType.image, UTType.audio, UTType.movie, UTType.url]
    }
}