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@ArgoZhang ArgoZhang commented Jun 15, 2025

Link issues

fixes #6233

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

Fire selected-item change callbacks on clearing selections in Select, SelectGeneric, MultiSelect, and MultiSelectGeneric components and extend tests to verify this behavior.

Bug Fixes:

  • Invoke OnSelectedItemChanged when clearing the value in Select and SelectGeneric components.
  • Invoke OnSelectedItemsChanged when clearing selections in MultiSelect and MultiSelectGeneric components.

Tests:

  • Add assertions in MultiSelectTest to verify OnSelectedItemsChanged is triggered and returns an empty collection after clear.
  • Add assertions in SelectGenericTest and SelectTest to verify OnSelectedItemChanged is triggered and yields the expected value after clear.

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sourcery-ai bot commented Jun 15, 2025

Reviewer's Guide

This PR ensures that clearing selections in single and multi-select components correctly triggers their respective change callbacks and adds tests to verify the behavior.

Sequence Diagram for Clearing Single Select Component

sequenceDiagram
    actor User
    participant Component as Select/SelectGeneric
    participant AppLogic as Application Logic

    User->>Component: Clicks 'Clear'
    activate Component
    Component->>Component: OnClearValue() calls base.OnClearValue(), sets SelectedItem to null/default
    Component->>AppLogic: OnSelectedItemChanged(emptyItem)
    activate AppLogic
    AppLogic-->>Component: 
    deactivate AppLogic
    deactivate Component
Loading

Sequence Diagram for Clearing Multi-Select Component

sequenceDiagram
    actor User
    participant Component as MultiSelect/MultiSelectGeneric
    participant AppLogic as Application Logic

    User->>Component: Clicks 'Clear'
    activate Component
    Component->>Component: OnClearValue() calls base.OnClearValue(), SelectedItems.Clear()
    Component->>Component: OnClearValue() calls SetValue()
    activate Component
    Component->>AppLogic: SetValue() calls OnSelectedItemsChanged(emptyList)
    activate AppLogic
    AppLogic-->>Component: 
    deactivate AppLogic
    deactivate Component
    deactivate Component
Loading

Class Diagram for Modified Select Component

classDiagram
    class Select {
        +OnSelectedItemChanged: EventCallback<SelectedItem>
        #OnClearValue(): Task // Modified to call OnSelectedItemChanged
    }
Loading

Class Diagram for Modified SelectGeneric Component

classDiagram
    class SelectGeneric~TValue~ {
        +OnSelectedItemChanged: EventCallback<SelectedItem~TValue~>
        #OnClearValue(): Task // Modified to call OnSelectedItemChanged
    }
Loading

Class Diagram for Modified MultiSelect Component

classDiagram
    class MultiSelect {
        +OnSelectedItemsChanged: EventCallback<List~SelectedItem~>
        #OnClearValue(): Task  // Modified to call SetValue()
        -SetValue(): Task     // Logic ensures OnSelectedItemsChanged is invoked
    }
Loading

Class Diagram for Modified MultiSelectGeneric Component

classDiagram
    class MultiSelectGeneric~TValue~ {
        +OnSelectedItemsChanged: EventCallback<List<SelectedItem<TValue>>>
        #OnClearValue(): Task  // Modified to call SetValue()
        -SetValue(): Task     // Logic ensures OnSelectedItemsChanged is invoked
    }
Loading

File-Level Changes

Change Details Files
Trigger OnSelectedItemChanged callback after clearing selection in single-select components
  • Added null check and await OnSelectedItemChanged invocation with an empty SelectedItem in Select.razor.cs
  • Inserted callback invocation logic in SelectGeneric.razor.cs to notify after clear
src/BootstrapBlazor/Components/Select/Select.razor.cs
src/BootstrapBlazor/Components/SelectGeneric/SelectGeneric.razor.cs
Trigger OnSelectedItemsChanged callback after clearing selection in multi-select components
  • Called SetValue() after clearing SelectedItems to fire the change event
  • Replaced direct Invoke() on the callback with a direct await call
src/BootstrapBlazor/Components/Select/MultiSelect.razor.cs
src/BootstrapBlazor/Components/SelectGeneric/MultiSelectGeneric.razor.cs
Add tests to verify change callbacks on clear operations
  • Declared variables in tests to capture callback output for both single and multi-select
  • Wired OnSelectedItemChanged and OnSelectedItemsChanged callbacks in test components
  • Asserted that callbacks receive expected empty or default values after clear
test/UnitTest/Components/MultiSelectTest.cs
test/UnitTest/Components/SelectGenericTest.cs
test/UnitTest/Components/SelectTest.cs

Assessment against linked issues

Issue Objective Addressed Explanation
#6233 The OnSelectedItemsChanged event should be triggered in the Select component when selections are cleared.
#6233 The OnSelectedItemsChanged event should be triggered in the MultiSelect component when selections are cleared.

Possibly linked issues


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Getting Help

@bb-auto bb-auto bot added the bug Something isn't working label Jun 15, 2025
@bb-auto bb-auto bot added this to the 9.7.0 milestone Jun 15, 2025
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codecov bot commented Jun 15, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (6850f1a) to head (5b51b52).

Additional details and impacted files
@@            Coverage Diff            @@
##              main     #6234   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          704       704           
  Lines        31113     31121    +8     
  Branches      4398      4400    +2     
=========================================
+ Hits         31113     31121    +8     
Flag Coverage Δ
BB 100.00% <100.00%> (?)

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


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@ArgoZhang ArgoZhang merged commit 9b51e50 into main Jun 15, 2025
6 checks passed
@ArgoZhang ArgoZhang deleted the feat-select branch June 15, 2025 01:56
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bug(Select): OnSelectedItemsChanged Event Not Triggered When Clearing Selections

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