gwms/GWMS.UI/Components/OrderTranspEditor.razor

@using GWMS.UI.Components
@using GWMS.Data.DatabaseModels
@using System.Security.Claims
@using Microsoft.AspNetCore.Components.Authorization
@using GWMS.UI.Data
@using Microsoft.Extensions.Configuration
@using Microsoft.JSInterop

@inject MessageService AppMService
@inject GWMSDataService DataService
@inject IConfiguration Configuration
@inject IJSRuntime JSRuntime

<div class="card">
    <div class="card-body small p-1">
        @if (_currItem != null)
        {
            <EditForm Model="@_currItem">
                <DataAnnotationsValidator />
                <div class="d-flex flex-column text-center">
                    <div class="p-1 flex-grow-1">
                        <div id="qrCodeImg"></div>
                        @_currItem.OrderCode
                        @*<img src="@getImgUrl(_currItem.OrderCode)" class="img-fluid" />*@
                    </div>
                    <div class="p-1 flex-grow-1">
                        <button type="button" class="btn btn-sm btn-warning btn-block" value="Cancel" @onclick="cancelUpdate">Cancel <i class="fas fa-ban"></i></button>
                    </div>
                </div>
            </EditForm>
        }
    </div>
</div>

@code {

    private List<TransporterModel> transpList;

    protected OrderModel _currItem = new OrderModel();
    protected int _supplierId { get; set; } = 0;

    [Parameter]
    public OrderModel currItem
    {
        get
        {
            return _currItem;
        }
        set
        {
            _currItem = value;
        }
    }

    [Parameter]
    public EventCallback<int> DataReset { get; set; }
    [Parameter]
    public EventCallback<int> DataUpdated { get; set; }
    [Parameter]
    public int SupplierId
    {
        get
        {
            return _supplierId;
        }
        set
        {
            _supplierId = value;
            // condiziono visualizzazione...
            var pUpd = Task.Run(async () => await ReloadAllData());
            pUpd.Wait();
        }
    }

    private async Task saveUpdate()
    {
        if (_currItem != null)
        {
            await DataService.OrderUpdateAsync(_currItem);
            await DataUpdated.InvokeAsync(1);
        }
        else
        {
            Console.WriteLine("Order null!");
        }
    }

    private async Task cancelUpdate()
    {
        await DataReset.InvokeAsync(0);
    }

    protected string rawCode
    {
        get
        {
            string answ = "";
            if (_currItem != null)
            {
                answ = _currItem.OrderCode;
            }
            return answ;
        }
    }

    protected override async Task OnInitializedAsync()
    {
        await ReloadAllData();
        await JSRuntime.InvokeVoidAsync("displayQr", "qrCodeImg", rawCode);
    }

    protected async Task ReloadAllData()
    {
        transpList = await DataService.TransportersGetAllAsync();
    }

}