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feat(Select): redesign IsClearable function #5626

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Merged
merged 14 commits into from
Mar 15, 2025
Merged

feat(Select): redesign IsClearable function #5626

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9062da8
对Select组件进行修改，设置IsClearable后，如果绑定类型可以为空，清除后清楚所有选中项而不是第一项
Mar 14, 2025
68ebf1a
Merge branch 'main' into Feat_20250313
ArgoZhang Mar 14, 2025
569a38e
修复yige bug
Mar 14, 2025
903ed04
Merge branch 'Feat_20250313' of https://github.com/trycatchfinnally/B…
Mar 14, 2025
48ffa8c
refactor: 更新可为空逻辑
ArgoZhang Mar 14, 2025
e70395e
test: 更新单元测试
ArgoZhang Mar 14, 2025
cabdbf9
doc: 更新示例
ArgoZhang Mar 14, 2025
7f0ee58
refactor: 增加 readonly 关键字
ArgoZhang Mar 15, 2025
cb94702
test: 更新单元测试
ArgoZhang Mar 15, 2025
40b041d
test: 更新单元测试
ArgoZhang Mar 15, 2025
7189486
refactor: 重置 SelectedItem
ArgoZhang Mar 15, 2025
9603422
doc: 更新示例
ArgoZhang Mar 15, 2025
4e58224
doc: 更新示例
ArgoZhang Mar 15, 2025
37d3326
test: 增加不可为空整形设置 IsClearable 单元测试
ArgoZhang Mar 15, 2025
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32 changes: 29 additions & 3 deletions src/BootstrapBlazor/Components/Select/Select.razor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -294,12 +294,15 @@ private SelectedItem? SelectedRow

private SelectedItem? GetSelectedRow()
{

var canBeNull = ValueCanBeNull();
var item = GetItemWithEnumValue()
?? Rows.Find(i => i.Value == CurrentValueAsString)
?? Rows.Find(i => i.Active)
?? Rows.FirstOrDefault(i => !i.IsDisabled)
?? Rows.FirstOrDefault(i => !i.IsDisabled&&!canBeNull)
?? GetVirtualizeItem(CurrentValueAsString);



if (item != null)
{
if (_init && DisableItemChangedWhenFirstRender)
Expand Down Expand Up @@ -576,7 +579,26 @@ private async Task OnClearValue()
{
await OnClearAsync();
}

if (ValueCanBeNull())
{

if (SelectedItem != null) SelectedItem.Active = false;
SelectedItem = null;

// 触发 StateHasChanged
_lastSelectedValueString = string.Empty;
CurrentValueAsString = _lastSelectedValueString;
this.Value = default;
if (this.ValueChanged.HasDelegate)
await this.ValueChanged.InvokeAsync(default);
// 触发 SelectedItemChanged 事件--由于设置成了null
//if (OnSelectedItemChanged != null)
//{
// await OnSelectedItemChanged(SelectedItem);
//}
return;
}
SelectedItem? item;
if (OnQueryAsync != null)
{
Expand All @@ -592,7 +614,11 @@ private async Task OnClearValue()
await SelectedItemChanged(item);
}
}

private bool ValueCanBeNull()
{
var tType = typeof(TValue);
return !tType.IsValueType || Nullable.GetUnderlyingType(tType) != null;
}
private string? ReadonlyString => IsEditable ? null : "readonly";

private async Task OnChange(ChangeEventArgs args)
Expand Down
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