feat(TreeView): add SetItems instance method

[ArgoZhang]

add SetItems instance method

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 #4933

Regression?

• Yes
• No

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

[是否影响老版本]

Risk

• High
• Medium
• Low

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Verification

• Manual (required)
• Automated

Packaging changes reviewed?

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• 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 a SetItems instance method to the TreeView component to allow resetting the data source and re-render the tree view.

New Features:

• Added SetItems and SetFlatItems instance methods to the TreeView component. These methods allow for dynamically updating the tree view data and refreshing the display.

Tests:

• Added unit tests for the new SetItems and SetFlatItems methods.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces a new SetItems instance method to the TreeView component. It also refactors the active item management and updates the keydown event handling.

Sequence diagram for TreeView item management

sequenceDiagram
    participant Client
    participant TreeView
    participant TreeNodeStateCache

    Client->>TreeView: SetItems(items)
    Note over TreeView: Clear FlatItems & _rows
    TreeView->>TreeView: StateHasChanged()

    Client->>TreeView: SetActiveItem(item)
    TreeView->>TreeView: Set _activeItem
    TreeView->>TreeView: Expand parent nodes
    TreeView->>TreeView: StateHasChanged()

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Class diagram for TreeView component changes

classDiagram
    class TreeView~TItem~ {
        -TreeViewItem~TItem~? _activeItem
        -List~TreeViewItem~TItem~~ Items
        -List~TreeViewItem~TItem~~ FlatItems
        +SetActiveItem(TreeViewItem~TItem~? item) void
        +SetActiveItem(TItem item) void
        +SetItems(List~TreeViewItem~TItem~~ items) void
        +SetFlatItems(List~TreeViewItem~TItem~~ flatItems) void
    }
    note for TreeView~TItem~ "Added new SetItems and SetFlatItems methods
Refactored ActiveItem to _activeItem private field"

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File-Level Changes

Change	Details	Files
Added SetItems instance method	Added a new SetItems method to allow for re-setting the Items data source. Added a new SetFlatItems method to allow for re-setting the FlatItems data source. Refactored active item management to use _activeItem field instead of ActiveItem property. Updated SetActiveItem method to take a nullable TreeViewItem<TItem> argument. Modified OnParametersSet and OnParametersSetAsync to handle the IsReset parameter and reset _rows accordingly. Updated the keydown event handling to use the _activeItem field.	src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs
Refactored active item management	Changed the ActiveItem property to a private field _activeItem. Updated usages of ActiveItem to _activeItem throughout the component. Modified the SetActiveItem method to update the _activeItem field and call StateHasChanged. Updated the logic in OnParametersSetAsync to restore the active item from the cache using _activeItem. Updated the OnClick event handler to update the _activeItem field.	src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs
Updated keydown event handling	Modified the TriggerKeyDown method to use the _activeItem field for determining active item. Updated the logic for handling ArrowUp, ArrowDown, ArrowLeft, and ArrowRight keys to use _activeItem.	src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#4933	Add SetItems instance method to TreeView component	✅

Possibly linked issues

• feat(TreeView): add SetItems instance method #4933: The PR adds the SetItems instance method, which is exactly what the issue requests.
• feat(TreeView): add SetItems instance method #4933: The PR fixes the issue by adding a SetItems method to reset the items.
• feat(TreeView): add SetItems instance method #4933: The PR fixes the issue by adding a SetItems method to the TreeView component, which allows the tree data to be refreshed.

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[sourcery-ai]

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

Overall Comments:

• Consider adding parameter validation in SetItems and SetFlatItems methods to handle null or empty collections appropriately.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 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 (5ca7516) to head (7ad24a8).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #4934   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          628       628           
  Lines        28080     28078    -2     
  Branches      4042      4043    +1     
=========================================
- Hits         28080     28078    -2     

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