MgGridBase...
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using System.ComponentModel;
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using AyCode.Core;
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using AyCode.Core.Enums;
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using AyCode.Core.Extensions;
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using AyCode.Core.Helpers;
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using AyCode.Core.Interfaces;
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using AyCode.Core.Loggers;
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using AyCode.Services.Server.SignalRs;
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using AyCode.Services.SignalRs;
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using AyCode.Utils.Extensions;
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using DevExpress.Blazor;
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using Microsoft.AspNetCore.Components;
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namespace AyCode.Blazor.Components.Components.Grids;
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public interface IMgGridBase
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{
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}
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public abstract class MgGridBase<TSignalRDataSource, TDataItem, TLoggerClient> : DxGrid, IMgGridBase
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where TSignalRDataSource : AcSignalRDataSource<TDataItem> where TDataItem : class, IId<Guid> where TLoggerClient : AcLoggerBase
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{
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protected bool IsFirstInitializeParameters;
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private TSignalRDataSource _dataSource = null!;
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private IList<TDataItem> _dataSourceParam = [];
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private string _gridLogName;
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public MgGridBase() : base()
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{
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}
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[Parameter] public TLoggerClient Logger { get; set; }
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[Parameter] public string GridName { get; set; }
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[Parameter] public object[]? ContextIds { get; set; }
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private string? _filterText = null;
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[Parameter]
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public string? FilterText
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{
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get => _filterText;
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set
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{
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_filterText = value;
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if (_dataSource != null! && _dataSource.FilterText != value)
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{
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_dataSource.FilterText = value;
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ReloadDataSourceAsync().Forget();
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}
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}
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}
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[Parameter] public AcSignalRClientBase SignalRClient { get; set; }
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[Parameter] public int GetAllMessageTag { get; set; }
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[Parameter] public int GetItemMessageTag { get; set; }
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[Parameter] public int AddMessageTag { get; set; }
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[Parameter] public int UpdateMessageTag { get; set; }
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[Parameter] public int RemoveMessageTag { get; set; }
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protected new EventCallback<GridDataItemDeletingEventArgs> DataItemDeleting { get; set; }
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[Parameter] public EventCallback<GridDataItemDeletingEventArgs> OnGridItemDeleting { get; set; }
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protected new EventCallback<GridEditModelSavingEventArgs> EditModelSaving { get; set; }
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[Parameter] public EventCallback<GridEditModelSavingEventArgs> OnGridEditModelSaving { get; set; }
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[Parameter] public EventCallback<IList<TDataItem>> OnDataSourceChanged { get; set; }
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[Parameter] public EventCallback<GridDataItemChangingEventArgs<TDataItem>> OnGridItemChanging { get; set; }
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/// <summary>
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/// After the server has responded!
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/// </summary>
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[Parameter]
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public EventCallback<GridDataItemChangedEventArgs<TDataItem>> OnGridItemChanged { get; set; }
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[Parameter]
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[DefaultValue(null)]
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "BL0007:Component parameters should be auto properties", Justification = "<Pending>")]
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public IList<TDataItem> DataSource
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{
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get
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{
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if (_dataSource == null && Data != null)
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{
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Logger.Error($"{_gridLogName} Use the DataSource parameter instead of Data!");
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throw new NullReferenceException($"{_gridLogName} Use the DataSource parameter instead of Data!");
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}
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return _dataSource!;
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}
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set
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{
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_dataSourceParam = value;
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if (_dataSource != null! && _dataSourceParam is List<TDataItem> workingReferenceList)
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_dataSource.SetWorkingReferenceList(workingReferenceList);
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}
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}
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protected override async Task OnInitializedAsync()
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{
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if (Logger == null)
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throw new NullReferenceException($"[{GetType().Name}] Logger == null");
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if (SignalRClient == null)
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{
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Logger.Error($"[{GetType().Name}] SignalRClient == null");
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throw new NullReferenceException($"[{GetType().Name}] SignalRClient == null");
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}
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var crudTags = new SignalRCrudTags(GetAllMessageTag, GetItemMessageTag, AddMessageTag, UpdateMessageTag, RemoveMessageTag);
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_dataSource =(TSignalRDataSource)Activator.CreateInstance(typeof(TSignalRDataSource), SignalRClient, crudTags, ContextIds)!;
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_dataSource.FilterText = FilterText;
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//_dataSource = new SignalRDataSource<TDataItem>(SignalRClient, crudTags, ContextIds) { FilterText = FilterText };
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Data = _dataSource;
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_dataSource.OnDataSourceLoaded += OnDataSourceLoaded;
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_dataSource.OnDataSourceItemChanged += OnDataSourceItemChanged;
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await base.OnInitializedAsync();
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}
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private async Task OnDataSourceItemChanged(ItemChangedEventArgs<TDataItem> args)
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{
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if (args.TrackingState is TrackingState.GetAll or TrackingState.None) return;
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Logger.Debug($"{_gridLogName} OnDataSourceItemChanged; trackingState: {args.TrackingState}");
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var changedEventArgs = new GridDataItemChangedEventArgs<TDataItem>(this, args.Item, args.TrackingState);
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await OnGridItemChanged.InvokeAsync(changedEventArgs);
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if (!changedEventArgs.CancelStateChangeInvoke)
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{
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//BeginUpdate();
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await InvokeAsync(StateHasChanged); //TODO: bezárja a DetailRow-t! pl: az email-nél IsReaded=true update... - J.
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//EndUpdate();
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}
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}
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private Task OnDataSourceLoaded()
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{
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Logger.Debug($"{_gridLogName} OnDataSourceLoaded; Count: {_dataSource.Count}");
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Reload();
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//_dataSource.LoadItem(_dataSource.First().Id).Forget();
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return OnDataSourceChanged.InvokeAsync(_dataSource);
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}
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protected override async Task OnAfterRenderAsync(bool firstRender)
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{
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if (firstRender)
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{
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if (_dataSourceParam != null!) await _dataSource.LoadDataSource(_dataSourceParam, true, true);
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else _dataSource.LoadDataSourceAsync(true).Forget();
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}
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await base.OnAfterRenderAsync(firstRender);
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}
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public Task AddDataItem(TDataItem dataItem)
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{
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if (dataItem.Id.IsNullOrEmpty()) dataItem.Id = Guid.NewGuid();
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return _dataSource.Add(dataItem, true);
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}
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public Task AddDataItemAsync(TDataItem dataItem)
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{
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if (dataItem.Id.IsNullOrEmpty()) dataItem.Id = Guid.NewGuid();
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_dataSource.Add(dataItem);
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return SaveChangesToServerAsync();
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}
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private async Task OnItemSaving(GridEditModelSavingEventArgs e)
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{
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var dataItem = (e.EditModel as TDataItem)!;
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if (e.IsNew && dataItem.Id.IsNullOrEmpty()) dataItem.Id = Guid.NewGuid();
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var logText = e.IsNew ? "add" : "update";
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Logger.Debug($"{_gridLogName} OnItemSaving {logText}; Id: {dataItem.Id}");
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await OnGridEditModelSaving.InvokeAsync(e);
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if (e.Cancel)
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{
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Logger.Debug($"{_gridLogName} OnItemSaving {logText} canceled; Id: {dataItem.Id}");
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return;
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}
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if (e.IsNew) await AddDataItemAsync(dataItem);
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else await UpdateDataItemAsync(dataItem);
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_dataSource.UpdateCollection(dataItem, false);
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}
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private Task SaveChangesToServerAsync()
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{
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try
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{
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return _dataSource.SaveChangesAsync();
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}
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catch (Exception ex)
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{
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Logger.Error($"{_gridLogName} SaveChangesToServerAsync->SaveChangesAsync error!", ex);
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}
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return Task.CompletedTask;
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}
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private async Task<bool> SaveChangesToServer()
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{
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var result = false;
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try
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{
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var unsavedItems = await _dataSource.SaveChanges();
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if ((result = unsavedItems.Count == 0) == false)
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Logger.Error($"{_gridLogName} SaveChangesToServer->SaveChanges error! unsavedCount: {unsavedItems.Count}");
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}
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catch (Exception ex)
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{
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Logger.Error($"{_gridLogName} OnItemSaving", ex);
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}
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return result;
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}
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private async Task OnItemDeleting(GridDataItemDeletingEventArgs e)
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{
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Logger.Debug($"{_gridLogName} OnItemDeleting");
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await OnGridItemDeleting.InvokeAsync(e);
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if (e.Cancel)
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{
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Logger.Debug($"{_gridLogName} OnItemDeleting canceled");
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return;
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}
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var dataItem = (e.DataItem as TDataItem)!;
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await RemoveDataItem(dataItem);
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}
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private void OnCustomizeElement(GridCustomizeElementEventArgs e)
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{
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if (e.ElementType == GridElementType.DetailCell)
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{
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e.Style = "padding: 0.5rem; opacity: 0.75";
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}
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else if (false && e.ElementType == GridElementType.DataCell && e.Column.Name == nameof(IId<Guid>.Id))
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{
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e.Column.Visible = AcDomain.IsDeveloperVersion;
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e.Column.ShowInColumnChooser = AcDomain.IsDeveloperVersion;
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}
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}
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protected override Task SetParametersAsyncCore(ParameterView parameters)
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{
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if (!IsFirstInitializeParameters)
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{
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//if (typeof(TDataItem) is IId<Guid> || typeof(TDataItem) is IId<int>)
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KeyFieldName = "Id";
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base.DataItemDeleting = EventCallback.Factory.Create<GridDataItemDeletingEventArgs>(this, OnItemDeleting);
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base.EditModelSaving = EventCallback.Factory.Create<GridEditModelSavingEventArgs>(this, OnItemSaving);
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CustomizeElement += OnCustomizeElement;
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//ShowFilterRow = true;
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//PageSize = 4;
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//ShowGroupPanel = true;
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//AllowSort = false;
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TextWrapEnabled = false;
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AllowSelectRowByClick = true;
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HighlightRowOnHover = true;
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AutoCollapseDetailRow = true;
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AutoExpandAllGroupRows = false;
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//KeyboardNavigationEnabled = true;
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//var dataColumns = GetDataColumns();
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//var idColumn = dataColumns.FirstOrDefault(x => x.FieldName == nameof(IId<Guid>.Id));
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//if (idColumn != null)
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//{
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// idColumn.ShowInColumnChooser = AcDomain.IsDeveloperVersion;
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// idColumn.Visible = !AcDomain.IsDeveloperVersion;
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//}
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IsFirstInitializeParameters = true;
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}
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return base.SetParametersAsyncCore(parameters);
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}
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protected override void OnParametersSet()
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{
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base.OnParametersSet();
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if (GridName.IsNullOrWhiteSpace()) GridName = $"{typeof(TDataItem).Name}Grid";
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_gridLogName = $"[{GridName}]";
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}
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//public Task AddDataItem(TDataItem dataItem, int messageTag) => PostDataToServerAsync(dataItem, messageTag, TrackingState.Add);
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public Task UpdateDataItem(TDataItem dataItem) => _dataSource.Update(dataItem, true);
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public Task UpdateDataItemAsync(TDataItem dataItem)
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{
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_dataSource.Update(dataItem, false);
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return SaveChangesToServerAsync();
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}
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//public Task UpdateDataItem(TDataItem dataItem, int messageTag) => PostDataToServerAsync(dataItem, messageTag, TrackingState.Update);
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public Task AddOrUpdateDataItem(TDataItem dataItem) => _dataSource.AddOrUpdate(dataItem, true);
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public Task RemoveDataItem(TDataItem dataItem) => _dataSource.Remove(dataItem, true);
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//public Task RemoveDataItem(TDataItem dataItem, int messageTag) => PostDataToServerAsync(dataItem, messageTag, TrackingState.Remove);
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public Task RemoveDataItem(Guid id) => RemoveDataItem(id, RemoveMessageTag);
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public Task RemoveDataItem(Guid id, int messageTag)
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{
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var dataItem = _dataSource.FirstOrDefault(x => x.Id == id);
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if (dataItem == null) return Task.CompletedTask;
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return _dataSource.Remove(dataItem, true);
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}
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public Task ReloadDataSourceAsync()
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{
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return _dataSource.LoadDataSourceAsync(false);
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}
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}
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public class GridDataItemChangingEventArgs<TDataItem> : GridDataItemChangedEventArgs<TDataItem> where TDataItem : class, IId<Guid>
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{
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internal GridDataItemChangingEventArgs(IMgGridBase grid, TDataItem dataItem, TrackingState trackingState) : base(grid, dataItem, trackingState)
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{
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}
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public bool IsCanceled { get; set; }
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}
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public class GridDataItemChangedEventArgs<TDataItem> where TDataItem : class, IId<Guid>
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{
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internal GridDataItemChangedEventArgs(IMgGridBase grid, TDataItem dataItem, TrackingState trackingState)
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{
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Grid = grid ?? throw new ArgumentNullException(nameof(grid));
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DataItem = dataItem;
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TrackingState = trackingState;
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}
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public IMgGridBase Grid { get; }
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public TDataItem DataItem { get; }
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public TrackingState TrackingState { get; }
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public bool CancelStateChangeInvoke { get; set; }
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}
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