mirror of
https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 13:37:35 +08:00
4a680e6b76
* fix(module: table): Unify FieldName value * fix(module: table): Get column name from DisplayAttribute * fix(module: table): Filter for DataIndex * docs(module: table): Intuitive sorterCompare for Filter demo * fix(module: table): fix header title doesn't display when Sortable is false Co-authored-by: James Yeung <shunjiey@hotmail.com>
379 lines
12 KiB
C#
379 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.ComponentModel;
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using System.ComponentModel.DataAnnotations;
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using System.Linq.Expressions;
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using System.Reflection;
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using AntDesign.Core.Reflection;
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using AntDesign.Internal;
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using AntDesign.TableModels;
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using Microsoft.AspNetCore.Components;
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using System.Globalization;
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namespace AntDesign
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{
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public partial class Column<TData> : ColumnBase, IFieldColumn
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{
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[CascadingParameter(Name = "ItemType")]
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public Type ItemType { get; set; }
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[Parameter]
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public EventCallback<TData> FieldChanged { get; set; }
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[Parameter]
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public Expression<Func<TData>> FieldExpression { get; set; }
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[Parameter]
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public RenderFragment<TData> CellRender { get; set; }
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[Parameter]
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public TData Field
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{
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get
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{
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return GetValue != null ? GetValue(RowData) : _field;
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}
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set
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{
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if (GetValue == null)
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{
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_field = value;
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}
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}
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}
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private TData _field;
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[Parameter]
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public string DataIndex { get; set; }
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[Parameter]
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public string Format { get; set; }
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[Parameter]
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public bool Sortable { get; set; }
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[Parameter]
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public Func<TData, TData, int> SorterCompare { get; set; }
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[Parameter]
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public int SorterMultiple { get; set; }
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[Parameter]
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public bool ShowSorterTooltip { get; set; } = true;
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[Parameter]
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public SortDirection[] SortDirections { get; set; }
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[Parameter]
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public SortDirection DefaultSortOrder { get; set; }
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[Parameter]
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public Func<RowData, Dictionary<string, object>> OnCell { get; set; }
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[Parameter]
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public Func<Dictionary<string, object>> OnHeaderCell { get; set; }
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[Parameter]
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public bool Filterable { get; set; }
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[Parameter]
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public IEnumerable<TableFilter<TData>> Filters { get; set; }
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[Parameter]
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public bool FilterMultiple { get; set; } = true;
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/// <summary>
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/// Function that determines if the row is displayed when filtered
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/// <para>
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/// Parameter 1: The value of the filter item
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/// </para>
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/// <para>
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/// Parameter 2: The value of the column
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/// </para>
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/// </summary>
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[Parameter]
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public Expression<Func<TData, TData, bool>> OnFilter { get; set; }
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private TableFilterType _columnFilterType;
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private Type _columnDataType;
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public string DisplayName { get; private set; }
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public string FieldName { get; private set; }
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public ITableSortModel SortModel { get; private set; }
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public ITableFilterModel FilterModel { get; private set; }
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private SortDirection _sortDirection;
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public Func<RowData, TData> GetValue { get; private set; }
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public LambdaExpression GetFieldExpression { get; private set; }
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void IFieldColumn.ClearSorter() => SetSorter(SortDirection.None);
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private static readonly EventCallbackFactory _callbackFactory = new EventCallbackFactory();
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private bool _filterOpened;
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private bool _hasFilterSelected;
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private string[] _selectedFilterValues;
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private ElementReference _filterTriggerRef;
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protected override void OnInitialized()
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{
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base.OnInitialized();
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Sortable = Sortable || SorterMultiple != default || SorterCompare != default || DefaultSortOrder != default || SortDirections?.Any() == true;
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if (IsHeader)
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{
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if (FieldExpression != null)
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{
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var paramExp = Expression.Parameter(ItemType);
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var member = ColumnExpressionHelper.GetReturnMemberInfo(FieldExpression);
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var bodyExp = Expression.MakeMemberAccess(paramExp, member);
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GetFieldExpression = Expression.Lambda(bodyExp, paramExp);
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}
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else if (DataIndex != null)
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{
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(_, GetFieldExpression) = ColumnDataIndexHelper<TData>.GetDataIndexConfig(this);
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}
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if (GetFieldExpression != null)
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{
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var member = ColumnExpressionHelper.GetReturnMemberInfo(GetFieldExpression);
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DisplayName = member.GetCustomAttribute<DisplayNameAttribute>(true)?.DisplayName ?? member.GetCustomAttribute<DisplayAttribute>(true)?.GetName() ?? member.Name;
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FieldName = DataIndex ?? member.Name;
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}
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if (Sortable && GetFieldExpression != null)
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{
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SortModel = new SortModel<TData>(GetFieldExpression, FieldName, SorterMultiple, DefaultSortOrder, SorterCompare);
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}
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}
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else if (IsBody)
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{
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SortModel = Context.HeaderColumns[ColIndex] is IFieldColumn fieldColumn ? fieldColumn.SortModel : null;
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(GetValue, _) = ColumnDataIndexHelper<TData>.GetDataIndexConfig(this);
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}
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SortDirections ??= Table.SortDirections;
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Sortable = Sortable || SortModel != null;
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_sortDirection = SortModel?.SortDirection ?? DefaultSortOrder ?? SortDirection.None;
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if (Filters?.Any() == true)
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{
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Filterable = true;
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_columnFilterType = TableFilterType.List;
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}
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else if (Filterable)
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{
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_columnDataType = THelper.GetUnderlyingType<TData>();
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if (_columnDataType == typeof(bool))
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{
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_columnFilterType = TableFilterType.List;
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Filters = new List<TableFilter<TData>>();
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var trueFilterOption = GetNewFilter();
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trueFilterOption.Text = Table.Locale.FilterOptions.True;
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trueFilterOption.Value = THelper.ChangeType<TData>(true);
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((List<TableFilter<TData>>)Filters).Add(trueFilterOption);
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var falseFilterOption = GetNewFilter();
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falseFilterOption.Text = Table.Locale.FilterOptions.False;
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falseFilterOption.Value = THelper.ChangeType<TData>(false);
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((List<TableFilter<TData>>)Filters).Add(falseFilterOption);
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}
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else
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{
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_columnFilterType = TableFilterType.FeildType;
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InitFilters();
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}
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}
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ClassMapper
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.If("ant-table-column-has-sorters", () => Sortable)
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.If($"ant-table-column-sort", () => Sortable && SortModel != null && SortModel.SortDirection.IsIn(SortDirection.Ascending, SortDirection.Descending));
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}
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private string NumberFormatter(TData value)
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{
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if (value == null) return null;
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return Convert.ToDouble(value).ToString(Format);
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}
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private void HandleSort()
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{
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if (Sortable)
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{
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SetSorter(NextSortDirection());
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Table.ColumnSorterChange(this);
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}
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}
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private string SorterTooltip
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{
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get
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{
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var next = NextSortDirection();
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return next?.Value switch
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{
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0 => Table.Locale.CancelSort,
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1 => Table.Locale.TriggerAsc,
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2 => Table.Locale.TriggerDesc,
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_ => Table.Locale.CancelSort
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};
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}
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}
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private SortDirection NextSortDirection()
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{
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if (_sortDirection == SortDirection.None)
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{
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return SortDirections[0];
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}
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else
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{
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var index = Array.IndexOf(SortDirections, _sortDirection);
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if (index >= SortDirections.Length - 1)
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{
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return SortDirection.None;
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}
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return SortDirections[index + 1];
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}
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}
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private void SetSorter(SortDirection sortDirection)
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{
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_sortDirection = sortDirection;
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SortModel.SetSortDirection(sortDirection);
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}
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private void ToggleTreeNode()
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{
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bool expandValueBeforeChange = RowData.Expanded;
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RowData.Expanded = !RowData.Expanded;
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Table?.OnExpandChange(RowData.CacheKey);
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if (RowData.Expanded != expandValueBeforeChange)
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Table?.Refresh();
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}
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private void SetFilterCompareOperator(TableFilter<TData> filter, TableFilterCompareOperator compareOperator)
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{
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filter.FilterCompareOperator = compareOperator;
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if (compareOperator == TableFilterCompareOperator.IsNull || compareOperator == TableFilterCompareOperator.IsNotNull) filter.Selected = true;
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}
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private void SetFilterCondition(TableFilter<TData> filter, TableFilterCondition filterCondition)
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{
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filter.FilterCondition = filterCondition;
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}
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private void SetFilterValue(TableFilter<TData> filter, TData value)
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{
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filter.Value = value;
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filter.Selected = true;
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}
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private void SetFilterValue(TableFilter<TData> filter, DateTime? value)
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{
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if (value == null)
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{
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filter.Value = default;
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filter.Selected = false;
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}
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else
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{
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filter.Value = (TData)Convert.ChangeType(value, typeof(DateTime), CultureInfo.InvariantCulture);
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filter.Selected = true;
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}
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}
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private DateTime? FilterDateTimeValue(TableFilter<TData> filter)
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{
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if (EqualityComparer<TData>.Default.Equals(filter.Value, default(TData)))
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{
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return null;
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}
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else
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{
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return Convert.ToDateTime(filter.Value);
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}
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}
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private void FilterSelected(TableFilter<TData> filter)
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{
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if (_columnFilterType == TableFilterType.FeildType) return;
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if (!FilterMultiple)
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{
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Filters.ForEach(x => x.Selected = false);
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filter.Selected = true;
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}
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else
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{
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filter.Selected = !filter.Selected;
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}
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_selectedFilterValues = Filters.Where(x => x.Selected).Select(x => x.Value.ToString()).ToArray();
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StateHasChanged();
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}
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private void FilterConfirm(bool isReset = false)
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{
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_filterOpened = false;
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if (!isReset && _columnFilterType == TableFilterType.FeildType) Filters?.ForEach(f => { if (!f.Selected && f.Value != null) f.Selected = true; });
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_hasFilterSelected = Filters?.Any(x => x.Selected) == true;
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FilterModel = _hasFilterSelected ? new FilterModel<TData>(GetFieldExpression, FieldName, OnFilter, Filters.Where(x => x.Selected).ToList(), _columnFilterType) : null;
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Table?.ReloadAndInvokeChange();
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}
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private void ResetFilters()
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{
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if (_columnFilterType == TableFilterType.List)
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{
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Filters.ForEach(x => x.Selected = false);
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}
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else
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{
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InitFilters();
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}
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FilterConfirm(true);
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}
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private void AddFilter()
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{
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((List<TableFilter<TData>>)Filters).Add(GetNewFilter());
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}
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private void RemoveFilter(TableFilter<TData> filter)
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{
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((List<TableFilter<TData>>)Filters).Remove(filter);
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}
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private TableFilter<TData> GetNewFilter()
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{
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return new TableFilter<TData>()
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{
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FilterCondition = TableFilterCondition.And,
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FilterCompareOperator = _columnDataType == typeof(string) ? TableFilterCompareOperator.Contains : TableFilterCompareOperator.Equals
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};
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}
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private void InitFilters()
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{
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Filters = new List<TableFilter<TData>>() {GetNewFilter()};
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}
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}
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}
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