mapo-core/MP.INVE/Components/CodeScan.razor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using System.Net.Http;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.AspNetCore.Components.Routing;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.Web.Virtualization;
using Microsoft.JSInterop;
using MP.INVE;
using MP.INVE.Shared;
using MP.INVE.Components;
using MP.INVE.Data;
using StackExchange.Redis;

namespace MP.INVE.Components
{
    public partial class CodeScan
    {
        // FIXME TODO creare evento x riportare scansione
        [Parameter]
        public EventCallback<string> lastRawScan { get; set; }
        /// <summary>
        /// Imposta il focus su input scansione
        /// </summary>
        protected void setFocus()
        {
            // all'apertura del componente --> focus su txtbox scan (e anche dopo input)
        }


        private ElementReference target;

        //protected string lastScan { get; set; } = "";

        public SelectScanParams currParams = new SelectScanParams();

        //protected string rawScan
        //{
        //    get => currParams.UDC;
        //    set => currParams.UDC = value;
        //}
        protected string _lastScan = "";
        protected string LastScan
        {
            get => _lastScan;
            set
            {
                _lastScan = value;
                saveSel(LastScan);
            }
        }


        protected override async Task OnAfterRenderAsync(bool firstRender)
        {
            if (firstRender)
            {
                await target.FocusAsync();
            }
        }

        private void saveSel(string scanToSend)
        {
            //LastScan = scanToSend;
            Task.FromResult(lastRawScan.InvokeAsync(scanToSend));
        }
    }

}