feat(Table): disable editing in virtual scroll mode

[ArgoZhang]

Link issues

fixes #6398

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

Disable table editing features (add, edit, inline row edits, and insert-row UI) when virtual scrolling is enabled.

Enhancements:

• Hide Add and Edit toolbar buttons unless scroll mode is None
• Skip rendering insert-row forms and cell insertion when in virtual scroll mode
• Disable inline row edit buttons for virtual scroll mode

[sourcery-ai]

Reviewer's Guide

This PR disables all editing features when the table is in Virtual scroll mode by adding ScrollMode checks to toolbar buttons and code-behind logic, and by restructuring the row rendering so insert forms/rows only render in non-virtual scroll mode.

Class diagram for Table editing controls with ScrollMode

classDiagram
    class Table {
        +ScrollMode ScrollMode
        +bool ShowAddButton
        +bool ShowEditButton
        +bool ShowExtendEditButton
        +bool GetShowExtendEditButton(TItem item)
        +RenderEditForm
        +RenderRow
    }
    class ScrollMode {
        <<enum>>
        None
        Virtual
    }
    Table --> ScrollMode
    Table : GetShowExtendEditButton() now disables in Virtual mode
    Table : Add/Edit buttons only enabled if ScrollMode==None
    Table : Insert forms/rows only rendered if ScrollMode==None

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Flow diagram for Table row rendering with Virtual ScrollMode

flowchart TD
    A[Start Table Render] --> B{ScrollMode == Virtual?}
    B -- Yes --> C[Render only Items rows]
    C --> D[No Insert/Edit forms or AddInCell rows]
    B -- No --> E{InsertRowMode == First?}
    E -- Yes --> F[Render Insert/Edit forms or AddInCell rows at top]
    E -- No --> G{InsertRowMode == Last?}
    G -- Yes --> H[Render Insert/Edit forms or AddInCell rows at bottom]
    G -- No --> I[Render normal Rows]
    F --> I
    H --> I
    I --> J[Render Empty Row if needed]
    C --> J

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File-Level Changes

Change	Details	Files
Conditionally hide Add and Edit toolbar buttons in virtual scroll mode	Add '&& ScrollMode == ScrollMode.None' to the ShowAddButton check Add '&& ScrollMode == ScrollMode.None' to the ShowEditButton check	Table.razor
Restrict insert-row rendering to non-virtual scroll mode	Remove the standalone InsertRowMode First block at the top of tbody Move both InsertRowMode First and Last rendering inside the non-virtual branch Remove the InsertRowMode Last block at the bottom of tbody	Table.razor
Disable inline edit button when in virtual scroll mode	Update GetShowExtendEditButton to return false if ScrollMode == ScrollMode.Virtual	Table.razor.Toolbar.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6398	Disable editing functionality in the Table component when virtual scroll mode is enabled.	✅

Possibly linked issues

• feat(Table): disable editing in virtual scroll mode #6398: The PR disables Add, Edit, and inline Edit buttons when Table is in virtual scroll mode, addressing the issue.
• feat(Table): disable editing in virtual scroll mode #6398: The PR disables editing functionality in virtual scroll mode which fixes the UI issues described in the issue.

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[sourcery-ai]

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

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (c70eca9) to head (05034f1).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6399   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          718       718           
  Lines        31729     31729           
  Branches      4477      4477           
=========================================
  Hits         31729     31729           

Flag	Coverage Δ
BB	100.00% <100.00%> (?)

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