feat(Select): add IsAutoClearSearchTextWhenCollapsed parameter

[ArgoZhang]

Link issues

fixes #6019

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

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

Implement automatic search text clearance and collapse event callback for the Select component by adding new parameters, wiring JS interop hide callback, and updating tests and samples.

New Features:

• Add IsAutoClearSearchTextWhenCollapsed parameter to Select component to automatically clear search text when collapsed
• Introduce OnCollapsed callback parameter to notify when dropdown is collapsed

Bug Fixes:

• Clear stale search text on collapse to address issue feat(Select): 能不能在收起搜索框的时候自动清空搜索框的内容 #6019

Enhancements:

• Hook into the JS popover hide callback to invoke the collapse logic
• Update sample attributes in Selects.razor.cs to include the new parameter

Documentation:

• Document the new IsAutoClearSearchTextWhenCollapsed parameter in component samples

Tests:

• Add unit tests verifying OnCollapsed invocation
• Add unit tests verifying search text is cleared when IsAutoClearSearchTextWhenCollapsed is enabled

[sourcery-ai]

Reviewer's Guide

Adds automatic search text clearing and a collapsed callback to the Select component by introducing two new parameters, wiring a JS hide callback to invoke a Blazor JSInvokable method, updating documentation and tests, and reorganizing the component code.

File-Level Changes

Change	Details	Files
Introduce IsAutoClearSearchTextWhenCollapsed and OnCollapsed parameters to Select component	Added two [Parameter] properties to expose collapse behavior Extended Init() interop setup to include triggerCollapsed when enabled Implemented JSInvokable TriggerCollapsed to clear search text and invoke the callback	Select.razor.cs
Enhance JavaScript to invoke collapse callback	Passed hideCallback option into Popover.init hideCallback invokes the Blazor triggerCollapsed method if configured	Select.razor.js
Extend unit tests to verify collapse behavior	Added test for OnCollapsed being invoked Added test for IsAutoClearSearchTextWhenCollapsed clearing search input	SelectTest.cs
Document new parameter in sample metadata	Added attribute entry for IsAutoClearSearchTextWhenCollapsed in sample component	Selects.razor.cs
Refactor Select.razor.cs structure	Reordered injected services and parameter declarations Consolidated explicit interface property implementations Removed duplicated helper methods relocated earlier in file	Select.razor.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation

Possibly linked issues

• feat(Select): 能不能在收起搜索框的时候自动清空搜索框的内容 #6019: The PR adds a parameter and logic related to clearing search text on collapse, which fixes the broken search functionality described in the issue.
• feat(Select): 能不能在收起搜索框的时候自动清空搜索框的内容 #6019: PR adds option to clear search text and update state when Select dropdown collapses, fixing the bug.

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[sourcery-ai]

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

• There are duplicated implementations of GetSelectedRow (and related helper methods) in the file—consolidate them into a single definition to avoid redundancy.
• The new unit tests call cut.Contains(...) but don’t assert the result; replace those calls with Assert.Contains or Assert.True to actually validate the behavior.
• The reordering of injected services, parameters, and private members makes the diff noisy—consider grouping definitions (e.g. parameters then injections then private members) for clearer structure.

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 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 (665d46f) to head (4e73c33).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6024   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          701       701           
  Lines        30873     30888   +15     
  Branches      4370      4373    +3     
=========================================
+ Hits         30873     30888   +15     

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