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feat(Cascader): add OnBlurAsync parameter #4599

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Merged
merged 2 commits into from
Nov 2, 2024
Merged

feat(Cascader): add OnBlurAsync parameter #4599

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4dcb4e7
feat(Cascader): add OnBlurAsync parameter
ArgoZhang Nov 2, 2024
b64cef9
test: add unit test
ArgoZhang Nov 2, 2024
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4 changes: 2 additions & 2 deletions src/BootstrapBlazor/Components/Cascader/Cascader.razor
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,10 @@

@if (IsShowLabel)
{
<BootstrapLabel required="@Required" for="@Id" ShowLabelTooltip="ShowLabelTooltip" Value="@DisplayText" />
<BootstrapLabel required="@Required" for="@Id" ShowLabelTooltip="ShowLabelTooltip" Value="@DisplayText"></BootstrapLabel>
}
<div @attributes="AdditionalAttributes" id="@Id" class="@ClassString" tabindex="-1">
<input type="text" id="@InputId" readonly disabled="@Disabled" class="@InputClassName" data-bs-toggle="dropdown" placeholder="@PlaceHolder" value="@DisplayTextString" />
<input type="text" id="@InputId" readonly disabled="@Disabled" class="@InputClassName" data-bs-toggle="dropdown" placeholder="@PlaceHolder" value="@DisplayTextString" @onblur="OnBlur" />
<span class="@AppendClassName"><i class="@Icon"></i></span>
<div class="dropdown-menu shadow">
<CascadingValue Value="SelectedItems">
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19 changes: 17 additions & 2 deletions src/BootstrapBlazor/Components/Cascader/Cascader.razor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,9 +45,7 @@ public partial class Cascader<TValue>
/// </summary>
[Parameter]
[NotNull]
#if NET6_0_OR_GREATER
[EditorRequired]
#endif
public IEnumerable<CascaderItem>? Items { get; set; }

/// <summary>
Expand Down Expand Up @@ -80,6 +78,12 @@ public partial class Cascader<TValue>
[Parameter]
public string? SubMenuIcon { get; set; }

/// <summary>
/// 获得/设置 失去焦点回调方法 默认 null
/// </summary>
[Parameter]
public Func<TValue, Task>? OnBlurAsync { get; set; }

[Inject]
[NotNull]
private IStringLocalizer<Cascader<TValue>>? Localizer { get; set; }
Expand Down Expand Up @@ -115,6 +119,17 @@ protected override void OnParametersSet()
}
}

/// <summary>
/// 失去焦点时回调方法
/// </summary>
private async Task OnBlur()
{
if (OnBlurAsync != null)
{
await OnBlurAsync(Value);
}
}

/// <summary>
/// 设置默认选中
/// </summary>
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23 changes: 23 additions & 0 deletions test/UnitTest/Components/CascaderTest.cs
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Expand Up @@ -218,6 +218,29 @@ public async Task ShowFullLevels_Ok()
Assert.Equal("Test1/Test11", cut.Instance.MockDisplayText);
}

[Fact]
public async Task OnBlurAsync_Ok()
{
var value = "";
var items = new List<CascaderItem>()
{
new() { Text = "test1", Value = "1" }
};
var cut = Context.RenderComponent<Cascader<string>>(pb =>
{
pb.Add(a => a.Items, items);
pb.Add(a => a.Value, "1");
pb.Add(a => a.OnBlurAsync, v =>
{
value = v;
return Task.CompletedTask;
});
});
var input = cut.Find("input");
await cut.InvokeAsync(() => input.Blur());
Assert.Equal("1", value);
}

class MockCascader : Cascader<string>
{
public string? MockDisplayText => DisplayTextString;
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