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https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 21:47:38 +08:00
129 lines
3.7 KiB
C#
129 lines
3.7 KiB
C#
using System;
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using System.Linq.Expressions;
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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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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 { get; set; }
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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 string Sort { 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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private PropertyReflector? _propertyReflector;
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public string DisplayName => _propertyReflector?.DisplayName;
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public string FieldName => _propertyReflector?.PropertyName;
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public ITableSortModel SortModel { get; private set; }
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public Func<RowData, TData> GetValue { get; private set; }
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protected override void OnInitialized()
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{
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base.OnInitialized();
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if (!Sortable)
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{
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Sortable = SorterMultiple != default || SorterCompare != default || Sort != default;
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}
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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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_propertyReflector = PropertyReflector.Create(FieldExpression);
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if (Sortable)
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{
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SortModel = new SortModel<TData>(_propertyReflector.Value.PropertyInfo, SorterMultiple, Sort, SorterCompare);
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}
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}
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else
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{
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(GetValue, SortModel) = ColumnDataIndexHelper<TData>.GetDataIndexConfig(this);
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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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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.SortType.IsIn(SortType.Ascending, SortType.Descending));
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}
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private void HandelHeaderClick()
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{
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if (Sortable)
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{
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SortModel.SwitchSortType();
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Table.ReloadAndInvokeChange();
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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 = SortModel.NextType();
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if (next == SortType.None)
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{
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return Table.Locale.CancelSort;
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}
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else if (next == SortType.Ascending)
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{
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return Table.Locale.TriggerAsc;
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}
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else
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{
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return Table.Locale.TriggerDesc;
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}
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}
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}
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private void ToggleTreeNode()
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{
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RowData.Expanded = !RowData.Expanded;
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Table?.Refresh();
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}
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}
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}
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