abp/framework/src/Volo.Abp.BlazoriseUI/Components/ObjectExtending/SelectExtensionProperty.razor.cs

using Microsoft.AspNetCore.Components;
using Microsoft.Extensions.Localization;
using System;
using System.Collections.Generic;
using Volo.Abp.Data;
using Volo.Abp.Localization;
using Volo.Abp.ObjectExtending;

namespace Volo.Abp.BlazoriseUI.Components.ObjectExtending
{
    public partial class SelectExtensionProperty<TEntity, TResourceType> : ComponentBase
        where TEntity : IHasExtraProperties
    {
        protected List<SelectItem<int>> SelectItems = new ();
        
        [Inject] public IStringLocalizerFactory StringLocalizerFactory { get; set; }

        [Parameter] public TEntity Entity { get; set; }

        [Parameter] public ObjectExtensionPropertyInfo PropertyInfo { get; set; }

        public int SelectedValue
        {
            get { return Entity.GetProperty<int>(PropertyInfo.Name); }
            set { Entity.SetProperty(PropertyInfo.Name, value, false); }
        }
        
        protected virtual List<SelectItem<int>> GetSelectItemsFromEnum()
        {
            var selectItems = new List<SelectItem<int>>();
            
            foreach (var enumValue in PropertyInfo.Type.GetEnumValues())
            {
                selectItems.Add( new SelectItem<int>
                {
                    Value = (int) enumValue,
                    Text = EnumHelper.GetLocalizedMemberName(PropertyInfo.Type, enumValue, StringLocalizerFactory)
                });
            }

            return selectItems;
        }

        protected override void OnParametersSet()
        {
            SelectItems = GetSelectItemsFromEnum();
            StateHasChanged();

            if (!Entity.HasProperty(PropertyInfo.Name))
            {
                SelectedValue = (int)PropertyInfo.Type.GetEnumValues().GetValue(0);
            }
        }
    }

    public class SelectItem<TValue>
    {
        public string Text { get; set; }
        public TValue Value { get; set; }
    }
}