refactor(Select): auto load data on virtual mode

[ArgoZhang]

auto load data on virtual mode

Summary of the changes (Less than 80 chars)

简单描述你更改了什么, 不超过80个字符；如果有关联 Issue 请在下方填写相关编号

Description

fixes #4851

Regression?

• Yes
• No

[If yes, specify the version the behavior has regressed from]

[是否影响老版本]

Risk

• High
• Medium
• Low

[Justify the selection above]

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Refactor the Select component to automatically load data when in virtual mode by introducing a new method to refresh the virtualized element. Update the unit test to ensure the correct value binding in virtual mode.

Enhancements:

• Implement auto-loading of data in virtual mode for Select component.

Tests:

• Update unit test to verify the correct binding of value in virtual mode.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR implements auto-loading of data in virtual mode for Select components. The changes introduce a new RefreshVirtualizeElement method and add OnAfterRenderAsync lifecycle hook to automatically load data on first render. The implementation is consistent across both Select and SelectGeneric components.

Sequence diagram for auto-loading data in virtual mode

sequenceDiagram
    actor User
    participant SelectComponent
    participant VirtualizeElement

    User->>SelectComponent: Render component
    SelectComponent->>SelectComponent: OnAfterRenderAsync(firstRender)
    alt firstRender is true
        SelectComponent->>SelectComponent: RefreshVirtualizeElement()
        SelectComponent->>VirtualizeElement: RefreshDataAsync()
        VirtualizeElement-->>SelectComponent: Data loaded
        SelectComponent->>SelectComponent: StateHasChanged()
    end

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Updated class diagram for Select component

classDiagram
    class Select {
        +Task OnAfterRenderAsync(bool firstRender)
        +Task RefreshVirtualizeElement()
        -Task SearchTextChanged(string val)
        -bool IsVirtualize
        -Func OnQueryAsync
        -VirtualizeElement VirtualizeElement
    }

    class SelectGeneric {
        +Task OnAfterRenderAsync(bool firstRender)
        +Task RefreshVirtualizeElement()
        -Task SearchTextChanged(string val)
        -bool IsVirtualize
        -Func OnQueryAsync
        -VirtualizeElement VirtualizeElement
    }

    Select <|-- SelectGeneric

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File-Level Changes

Change	Details	Files
Added automatic data loading for virtual mode in Select components	Introduced new RefreshVirtualizeElement method to handle data loading logic Added OnAfterRenderAsync lifecycle hook to load data on first render Modified SearchTextChanged to use the new RefreshVirtualizeElement method Added IsVirtualize check before attempting to load data	src/BootstrapBlazor/Components/Select/Select.razor.cs src/BootstrapBlazor/Components/SelectGeneric/SelectGeneric.razor.cs
Updated unit test expectation for virtual mode binding	Changed assertion to expect value '3' instead of null for input element	test/UnitTest/Components/SelectTest.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#4851	Implement auto loading of data when in virtual mode for Select component	✅

Possibly linked issues

• refactor(Select): auto load data on virtual mode #4851: The PR implements the feature requested in the issue by adding auto load data on virtual mode.

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

Overall Comments:

• Please complete the PR template with proper documentation - including risk assessment, verification details, and a clear description of the behavior changes (particularly around the test modification).

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟡 Testing: 1 issue found
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (8b246b8) to head (bec5622).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #4852   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          623       623           
  Lines        27809     27831   +22     
  Branches      3980      3982    +2     
=========================================
+ Hits         27809     27831   +22     

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