mirror of
https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 13:37:35 +08:00
2cd069a6ac
* fix(module: transfer): Fixed multiple issues fix(module: transfer): Added localization support (LocaleProvider.CurrentLocale.Transfer). Property name is 'Locale'. #645 fix(module: transfer): Fixed no data image. fix(module: transfer): Header alignment fix(module: transfer): Fixed header count suffix fix(module: transfer): Fixed a bug in the checkbox state if there is 'no item' or no 'not deactivated' item in the selection list. fix(module: transfer): Duplicate item filter bug fixed (#711) feat(module: transfer): Added clear button to the filter input feat(module: transfer): Filter option is now InvariantCultureIgnoreCase (please change it if there is a problem with chinese language) style(module: transfer): removed unused usings, fixed some style issues docs(module: transfer): Added Local Property description - Please take a look at the chinese version (Google translate) * Update index.zh-CN.md Co-authored-by: Lars Diederich <diederich@evodata.de> Co-authored-by: James Yeung <shunjiey@hotmail.com>
290 lines
9.6 KiB
C#
290 lines
9.6 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.Threading.Tasks;
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using Microsoft.AspNetCore.Components;
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using Microsoft.AspNetCore.Components.Web;
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using OneOf;
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namespace AntDesign
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{
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public partial class Transfer : AntDomComponentBase
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{
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private const string PrefixName = "ant-transfer";
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private const string DisabledClass = "ant-transfer-list-content-item-disabled";
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private const string FooterClass = "ant-transfer-list-with-footer";
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[Parameter]
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public IList<TransferItem> DataSource { get; set; }
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[Parameter]
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public string[] Titles { get; set; } = new string[2];
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[Parameter]
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public string[] Operations { get; set; } = new string[2];
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[Parameter]
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public bool Disabled { get; set; } = false;
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[Parameter]
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public bool ShowSearch { get; set; } = false;
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[Parameter]
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public bool ShowSelectAll { get; set; } = true;
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[Parameter]
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public string[] TargetKeys { get; set; }
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[Parameter]
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public string[] SelectedKeys { get; set; }
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[Parameter]
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public EventCallback<TransferChangeArgs> OnChange { get; set; }
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[Parameter]
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public EventCallback<TransferScrollArgs> OnScroll { get; set; }
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[Parameter]
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public EventCallback<TransferSearchArgs> OnSearch { get; set; }
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[Parameter]
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public EventCallback<TransferSelectChangeArgs> OnSelectChange { get; set; }
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[Parameter]
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public Func<TransferItem, OneOf<string, RenderFragment>> Render { get; set; }
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[Parameter]
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public TransferLocale Locale { get; set; } = LocaleProvider.CurrentLocale.Transfer;
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[Parameter]
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public string Footer { get; set; } = string.Empty;
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[Parameter]
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public RenderFragment FooterTemplate { get; set; }
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[Parameter]
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public RenderFragment ChildContent { get; set; }
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private List<string> _targetKeys;
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private bool _leftCheckAllState = false;
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private bool _leftCheckAllIndeterminate = false;
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private bool _rightCheckAllState = false;
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private bool _rightCheckAllIndeterminate = false;
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private string _leftCountText = string.Empty;
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private string _rightCountText = string.Empty;
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private bool _leftButtonDisabled = true;
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private bool _rightButtonDisabled = true;
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private IEnumerable<TransferItem> _leftDataSource;
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private IEnumerable<TransferItem> _rightDataSource;
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private List<string> _sourceSelectedKeys;
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private List<string> _targetSelectedKeys;
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private string _leftFilterValue = string.Empty;
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private string _rightFilterValue = string.Empty;
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protected override void OnInitialized()
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{
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ClassMapper.Add(PrefixName);
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_targetKeys = TargetKeys.ToList();
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var selectedKeys = SelectedKeys.ToList();
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_sourceSelectedKeys = selectedKeys.Where(key => !_targetKeys.Contains(key)).ToList();
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_targetSelectedKeys = selectedKeys.Where(key => _targetKeys.Contains(key)).ToList();
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var count = _sourceSelectedKeys.Count;
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InitData();
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MathTitleCount();
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}
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private void InitData()
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{
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_leftDataSource = DataSource.Where(a => !_targetKeys.Contains(a.Key));
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_rightDataSource = DataSource.Where(a => _targetKeys.Contains(a.Key));
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}
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private void MathTitleCount()
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{
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_rightButtonDisabled = _sourceSelectedKeys.Count == 0;
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_leftButtonDisabled = _targetSelectedKeys.Count == 0;
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var leftSuffix = _leftDataSource.Count() == 1 ? Locale.ItemUnit : Locale.ItemsUnit;
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var rightSuffix = _rightDataSource.Count() == 1 ? Locale.ItemUnit : Locale.ItemsUnit;
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var leftCount = _sourceSelectedKeys.Count == 0 ? $"{_leftDataSource.Count()}" : $"{_sourceSelectedKeys.Count}/{_leftDataSource.Count()}";
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var rightCount = _targetSelectedKeys.Count == 0 ? $"{_rightDataSource.Count()}" : $"{_targetSelectedKeys.Count}/{_rightDataSource.Count()}";
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_leftCountText = $"{leftCount} {leftSuffix}";
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_rightCountText = $"{rightCount} {rightSuffix}";
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CheckAllState();
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}
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private async Task SelectItem(bool isCheck, string direction, string key)
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{
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var holder = direction == TransferDirection.Left ? _sourceSelectedKeys : _targetSelectedKeys;
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var index = Array.IndexOf(holder.ToArray(), key);
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if (index > -1)
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{
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holder.RemoveAt(index);
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}
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if (isCheck)
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holder.Add(key);
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HandleSelect(direction, holder);
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MathTitleCount();
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if (OnSelectChange.HasDelegate)
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{
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await OnSelectChange.InvokeAsync(new TransferSelectChangeArgs(_sourceSelectedKeys.ToArray(), _targetSelectedKeys.ToArray()));
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}
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}
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private async Task SelectAll(bool isCheck, string direction)
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{
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var list = _leftDataSource;
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if (direction == TransferDirection.Right)
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{
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list = _rightDataSource;
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}
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var holder = isCheck ? list.Where(a => !a.Disabled).Select(a => a.Key).ToList() : new List<string>(list.Count());
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HandleSelect(direction, holder);
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MathTitleCount();
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if (OnSelectChange.HasDelegate)
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{
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await OnSelectChange.InvokeAsync(new TransferSelectChangeArgs(_sourceSelectedKeys.ToArray(), _targetSelectedKeys.ToArray()));
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}
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}
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private void HandleSelect(string direction, List<string> keys)
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{
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if (direction == TransferDirection.Left)
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{
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_sourceSelectedKeys = keys;
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}
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else
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{
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_targetSelectedKeys = keys;
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}
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}
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private async Task MoveItem(MouseEventArgs e, string direction)
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{
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var moveKeys = direction == TransferDirection.Right ? _sourceSelectedKeys : _targetSelectedKeys;
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if (direction == TransferDirection.Left)
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{
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_targetKeys.RemoveAll(key => moveKeys.Contains(key));
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}
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else
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{
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_targetKeys.AddRange(moveKeys);
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}
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InitData();
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var oppositeDirection = direction == TransferDirection.Right ? TransferDirection.Left : TransferDirection.Right;
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HandleSelect(oppositeDirection, new List<string>());
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if (!string.IsNullOrEmpty(_leftFilterValue))
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{
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await HandleSearch(new ChangeEventArgs() { Value = _leftFilterValue }, TransferDirection.Left, false);
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}
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if (!string.IsNullOrEmpty(_rightFilterValue))
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{
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await HandleSearch(new ChangeEventArgs() { Value = _rightFilterValue }, TransferDirection.Right, false);
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}
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MathTitleCount();
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if (OnChange.HasDelegate)
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{
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await OnChange.InvokeAsync(new TransferChangeArgs(_targetKeys.ToArray(), direction, moveKeys.ToArray()));
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}
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}
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private void CheckAllState()
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{
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if (_leftDataSource.Any(a => !a.Disabled))
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{
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_leftCheckAllState = _sourceSelectedKeys.Count == _leftDataSource.Count(a => !a.Disabled);
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}
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else
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{
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_leftCheckAllState = false;
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}
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_leftCheckAllIndeterminate = !_leftCheckAllState && _sourceSelectedKeys.Count > 0;
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if (_rightDataSource.Any(a => !a.Disabled))
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{
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_rightCheckAllState = _targetSelectedKeys.Count == _rightDataSource.Count(a => !a.Disabled);
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}
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else
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{
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_rightCheckAllState = false;
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}
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_rightCheckAllIndeterminate = !_rightCheckAllState && _targetSelectedKeys.Count > 0;
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}
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private async Task HandleScroll(string direction, EventArgs e)
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{
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if (OnScroll.HasDelegate)
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{
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await OnScroll.InvokeAsync(new TransferScrollArgs(direction, e));
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}
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}
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private async Task HandleSearch(ChangeEventArgs e, string direction, bool mathTileCount = true)
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{
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if (direction == TransferDirection.Left)
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{
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_leftFilterValue = e.Value.ToString();
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_leftDataSource = DataSource.Where(a => !_targetKeys.Contains(a.Key) && a.Title.Contains(_leftFilterValue, StringComparison.InvariantCultureIgnoreCase)).ToList();
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}
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else
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{
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_rightFilterValue = e.Value.ToString();
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_rightDataSource = DataSource.Where(a => _targetKeys.Contains(a.Key) && a.Title.Contains(_rightFilterValue, StringComparison.InvariantCultureIgnoreCase)).ToList();
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}
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if (mathTileCount)
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MathTitleCount();
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if (OnSearch.HasDelegate)
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{
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await OnSearch.InvokeAsync(new TransferSearchArgs(direction, e.Value.ToString()));
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}
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}
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private async Task ClearFilterValueAsync(string direction)
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{
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if (direction == TransferDirection.Left)
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{
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_leftFilterValue = string.Empty;
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await HandleSearch(new ChangeEventArgs() { Value = string.Empty }, direction);
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}
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else
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{
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_rightFilterValue = string.Empty;
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await HandleSearch(new ChangeEventArgs() { Value = string.Empty }, direction);
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}
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}
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}
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}
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