feat(AutoFill): auto select when item length equal 1

[braia123]

input输入Enter时，如候选项唯一，直接选中
当焦点从AutoFill移出时，如GetDisplayText(Value)对应的内容与input中的内容不符则清空Value和Input显示内容

Link issues

fixes #6948

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

Add blur validation and auto-selection behavior to AutoFill: clear invalid inputs on blur with a configurable flag, support a blur event callback, and auto-select the only dropdown item when pressing Enter or NumpadEnter.

New Features:

• Introduce IsClearOnInvalid parameter to clear input and model on blur when the entered text does not match any item
• Automatically select the sole suggestion on Enter or NumpadEnter key press
• Invoke OnBlurAsync callback when the component loses focus

Enhancements:

• Add getInputValue JavaScript interop method
• Include NumpadEnter in key handling alongside Enter

[bb-auto]

Thanks for your PR, @braia123. Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[sourcery-ai]

Reviewer's Guide

This PR introduces a blur-based invalid input clearing feature for the AutoFill component, controlled by a new parameter, and enhances the Enter-key logic to auto-select the sole dropdown suggestion.

Sequence diagram for AutoFill blur and invalid input clearing

sequenceDiagram
    participant User
    participant AutoFill
    participant JS
    User->>AutoFill: Blur event (onblur)
    AutoFill->>JS: GetInputValue()
    JS-->>AutoFill: inputValue
    AutoFill->>AutoFill: Compare inputValue with GetDisplayText(Value)
    alt Input invalid
        AutoFill->>JS: setValue (clear input)
        AutoFill->>AutoFill: CurrentValue = default
    end

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Sequence diagram for AutoFill Enter key auto-selection

sequenceDiagram
    participant User
    participant AutoFillJS
    participant AutoFill
    User->>AutoFillJS: Press Enter
    AutoFillJS->>AutoFillJS: Check dropdown items
    alt Only one suggestion
        AutoFillJS->>AutoFillJS: Trigger click on suggestion
        AutoFillJS->>AutoFill: EnterCallback
    else Multiple suggestions
        AutoFillJS->>AutoFillJS: Select active suggestion
        AutoFillJS->>AutoFill: EnterCallback
    end

Loading

Updated class diagram for AutoFill component

classDiagram
    class AutoFill {
        +float RowHeight
        +bool IsClearOnInvalid
        +Task TriggerFilter(string val)
        +Task OnBlur()
        +Task<string> GetInputValue()
    }

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File-Level Changes

Change	Details	Files
Add optional invalid-input clearing on blur	Introduce IsClearOnInvalid parameter to toggle clearing behavior Implement OnBlur method in AutoFill.razor.cs to fetch input value, compare with display text, and clear model/input if mismatched Expose GetInputValue as JSInvokable and add corresponding JS helper function Bind onblur event to OnBlur handler in AutoFill.razor markup	src/BootstrapBlazor/Components/AutoFill/AutoFill.razor.cs src/BootstrapBlazor/Components/AutoFill/AutoFill.razor src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.js
Auto-select single suggestion on Enter (including NumpadEnter)	Extend keydown handler to recognize 'NumpadEnter' alongside 'Enter' Detect when only one dropdown-item is present, trigger its click, invoke EnterCallback, and bypass default behavior	src/BootstrapBlazor/Components/AutoComplete/AutoComplete.razor.js

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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[braia123]

@microsoft-github-policy-service agree

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (a88529b) to head (0644397).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6947   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          740       740           
  Lines        31875     31875           
  Branches      4469      4469           
=========================================
  Hits         31875     31875           

Flag	Coverage Δ
BB	100.00% <ø> (?)

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[ArgoZhang]

@braia123 感谢提交 PR 稍后我邀请你一下您，这样 PR 就不需要 fork 到自己仓库里，直接在我们的仓库里创建 PR 节省好几个步骤