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167 lines
4.5 KiB
C#
167 lines
4.5 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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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 Selection : ColumnBase, ISelectionColumn
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{
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[Parameter] public string Type { get; set; } = "checkbox";
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[Parameter] public bool Disabled { get; set; }
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[Parameter] public string Key { get; set; }
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[Parameter] public bool CheckStrictly { get; set; }
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bool ISelectionColumn.Checked
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{
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get => _checked;
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set => _checked = value;
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}
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private bool _checked;
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private bool Indeterminate => IsHeader
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&& this.RowSelections.Any(x => x.Checked)
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&& !this.RowSelections.All(x => x.Checked);
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public IList<ISelectionColumn> RowSelections { get; set; } = new List<ISelectionColumn>();
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private int[] _selectedIndexes;
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protected override void OnInitialized()
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{
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base.OnInitialized();
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if (Table == null)
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{
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return;
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}
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if (IsHeader)
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{
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Table.Selection = this;
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}
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else if (IsBody)
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{
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Table?.Selection?.RowSelections.Add(this);
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}
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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 (IsHeader && Type == "radio" && RowSelections.Count(x => x.Checked) > 1)
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{
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var first = RowSelections.FirstOrDefault(x => x.Checked);
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if (first != null)
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{
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Table?.Selection.RowSelections.Where(x => x.ColIndex != first.ColIndex).ForEach(x => x.Check(false));
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}
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}
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}
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private void HandleCheckedChange(bool @checked)
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{
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Check(@checked);
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if (this.IsHeader)
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{
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RowSelections.Where(x => !x.Disabled).ForEach(x => x.Check(@checked));
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InvokeSelectedRowsChange();
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}
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else if (IsBody)
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{
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if (Type == "radio")
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{
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Table?.Selection.RowSelections.Where(x => x.RowData.CacheKey != this.RowData.CacheKey).ForEach(x => x.Check(false));
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}
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Table?.Selection.InvokeSelectedRowsChange();
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}
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}
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bool ISelectionColumn.Check(bool @checked)
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{
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return this.Check(@checked);
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}
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private bool Check(bool @checked)
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{
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if (this._checked != @checked)
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{
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this._checked = @checked;
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StateHasChanged();
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return true;
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}
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return false;
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}
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public void InvokeSelectedRowsChange()
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{
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if (IsHeader)
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{
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Table.SelectionChanged();
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StateHasChanged();
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}
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}
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public void ChangeSelection()
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{
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var cacheKeys = Table.GetSelectedCacheKeys();
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if (cacheKeys == null || !cacheKeys.Any())
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{
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this.Table.Selection.RowSelections.ForEach(x => x.Check(false));
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this.Table.Selection.StateHasChanged();
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}
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else
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{
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this.Table.Selection.RowSelections.ForEach(x => x.Check(x.RowData.CacheKey.IsIn(cacheKeys)));
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this.Table.Selection.StateHasChanged();
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}
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}
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public void SetSelection(string[] keys)
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{
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if (keys == null || !keys.Any())
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{
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this.Table.Selection.RowSelections.ForEach(x => x.Check(false));
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this.Table.Selection.Check(false);
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}
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else
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{
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this.Table.Selection.RowSelections.ForEach(x => x.Check(x.Key.IsIn(keys)));
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this.Table.Selection.StateHasChanged();
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}
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}
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public void ChangeOnPaging()
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{
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this.ChangeSelection();
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}
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void ISelectionColumn.StateHasChanged()
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{
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if (IsHeader)
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{
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_checked = this.RowSelections.Any() && this.RowSelections.All(x => x.Checked);
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StateHasChanged();
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}
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}
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protected override void Dispose(bool disposing)
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{
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if (!IsHeader)
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{
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Table.Selection.RowSelections.Remove(this);
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}
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base.Dispose(disposing);
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}
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}
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}
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