ant-design-blazor/components/select/SelectOption.razor.cs

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C#
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using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
#pragma warning disable 1591
#pragma warning disable CA1716
namespace AntDesign
{
public partial class SelectOption : AntDomComponentBase
{
#region Private
private string _label = null;
private bool _isActive = false;
private const string ClassPrefix = "ant-select-item-option";
private ElementReference _contentRef;
private bool IsSelected => IsTag || (!IsSearch && SelectParent.OptionIsSelected(Value));
#endregion Private
#region Protected
protected void SetClassMap()
{
ClassMapper.Clear()
.Add("ant-select-item")
.Add(ClassPrefix)
.If($"{ClassPrefix}-disabled", () => Disabled)
.If($"{ClassPrefix}-selected", () => IsSelected)
.If($"{ClassPrefix}-active", () => _isActive)
.If($"{ClassPrefix}-grouped", () => SelectOptGroupParent != null)
.If(ClassName, () => !string.IsNullOrWhiteSpace(ClassName));
}
#region Properties
protected string InnerStyle
{
get
{
if (IsSearch)
{
return Style;
}
else if (SelectParent.IsShowOption(this))
{
return Style;
}
else
{
return Style + ";display:none";
}
}
}
#endregion
#region Events
protected override void Dispose(bool disposing)
{
SelectParent?.RemoveOption(this);
SelectOptGroupParent?.RemoveOption(this);
base.Dispose(disposing);
}
protected override void OnInitialized()
{
SetClassMap();
SelectParent?.AddOption(this);
SelectOptGroupParent?.AddOption(this);
base.OnParametersSet();
}
protected async override Task OnFirstAfterRenderAsync()
{
if (string.IsNullOrEmpty(Children))
{
await Task.Delay(1);
Children = await JsInvokeAsync<string>(JSInteropConstants.getInnerText, _contentRef);
//await InvokeAsync(StateHasChanged);
}
}
protected async Task OnSelectOptionClick(EventArgs _)
{
if (!Disabled)
{
await Task.Delay(1);
await SelectParent.ToggleOrSetValue(Value);
//await InvokeAsync(StateHasChanged);
}
}
protected virtual async Task OnSelectOptionMouseEnter()
{
_isActive = true;
SetClassMap();
//await InvokeAsync(StateHasChanged);
}
protected virtual async Task OnSelectOptionMouseLeave()
{
_isActive = false;
SetClassMap();
//await InvokeAsync(StateHasChanged);
}
#endregion Events
#region Methods
internal void SearchToTag()
{
if (IsSearch)
{
IsTag = true;
IsSearch = false;
}
}
#endregion
#endregion Protected
#region Public
#region Properties
#region Generals
public string Children { get; private set; } = string.Empty;
#endregion
#region Paramters
[Parameter] public bool IsTag { get; set; } = false;
[Parameter] public bool IsSearch { get; set; } = false;
[Parameter] public string Title { get; set; }
[Parameter] public string Value { get; set; }
[Parameter] public string ClassName { get; set; }
[Parameter] public bool Disabled { get; set; } = false;
[Parameter] public RenderFragment ChildContent { get; set; }
[CascadingParameter] public Select SelectParent { get; set; }
[CascadingParameter] public SelectOptGroup SelectOptGroupParent { get; set; }
[Parameter] public string Label { get => _label ?? Children; set => _label = value; }
#endregion
#endregion
#endregion
}
}