From 9853c4aa2e140166a9bbc604d8d1a111f17e2841 Mon Sep 17 00:00:00 2001
From: Atanas Korchev <akorchev@gmail.com>
Date: Wed, 17 Jun 2026 18:26:52 +0300
Subject: [PATCH] Inherit RadzenSpreadsheetToolBase in
 merge/borders/conditional/validation tools

Replace the duplicated selection-binding boilerplate (cascading parameters,
IsDisabled, EventBinding<Selection>, OnParametersSet/OnSelectionChanged/Dispose)
with @inherits RadzenSpreadsheetToolBase, overriding only Feature - matching the
Insert* tools.
---
 .../Tools/RadzenSpreadsheetCellBorders.razor  | 38 +------------------
 .../RadzenSpreadsheetConditionalFormat.razor  | 38 +------------------
 .../RadzenSpreadsheetDataValidation.razor     | 38 +------------------
 .../Tools/RadzenSpreadsheetMergeCells.razor   | 38 +------------------
 4 files changed, 8 insertions(+), 144 deletions(-)

diff --git a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetCellBorders.razor b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetCellBorders.razor
index 350b47753..847b81326 100644
--- a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetCellBorders.razor
+++ b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetCellBorders.razor
@@ -2,7 +2,7 @@
 @using Radzen.Blazor
 @using Radzen.Blazor.Spreadsheet
 @using Radzen.Documents.Spreadsheet
-@implements IDisposable
+@inherits RadzenSpreadsheetToolBase
 
 <RadzenSplitButton Click=@OnClick Icon="border_all" Disabled=@IsDisabled Variant="Variant.Outlined" ButtonStyle="ButtonStyle.Base" Size="ButtonSize.Small">
     <ChildContent>
@@ -17,41 +17,7 @@
 </RadzenSplitButton>
 
 @code {
-#nullable enable
-
-    [CascadingParameter]
-    public Worksheet? Worksheet { get; set; }
-
-    [CascadingParameter]
-    public ISpreadsheet? Spreadsheet { get; set; }
-
-    private bool IsDisabled
-        => Worksheet?.Selection.Cell == CellRef.Invalid
-        || Spreadsheet?.IsFeatureAllowed(SpreadsheetFeature.CellFormatting) == false;
-
-    private readonly EventBinding<Selection> selectionBinding;
-
-    public RadzenSpreadsheetCellBorders()
-    {
-        selectionBinding = new EventBinding<Selection>(
-            s => s.Changed += OnSelectionChanged,
-            s => s.Changed -= OnSelectionChanged);
-    }
-
-    protected override void OnParametersSet()
-    {
-        selectionBinding.Bind(Worksheet?.Selection);
-    }
-
-    private void OnSelectionChanged()
-    {
-        StateHasChanged();
-    }
-
-    public void Dispose()
-    {
-        selectionBinding.Dispose();
-    }
+    protected override SpreadsheetFeature? Feature => SpreadsheetFeature.CellFormatting;
 
     private async Task OnClick(RadzenSplitButtonItem? item)
     {
diff --git a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetConditionalFormat.razor b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetConditionalFormat.razor
index 4f016ba34..c105aaeb3 100644
--- a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetConditionalFormat.razor
+++ b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetConditionalFormat.razor
@@ -4,7 +4,7 @@
 @using Radzen.Blazor.Spreadsheet.Tools
 @using Radzen.Documents.Spreadsheet
 @inject DialogService DialogService
-@implements IDisposable
+@inherits RadzenSpreadsheetToolBase
 
 <RadzenSplitButton Click=@OnClickAsync Icon="format_color_fill" Text=@(Spreadsheet?.Localize(nameof(RadzenStrings.Spreadsheet_Conditional)) ?? "Conditional") Disabled=@IsDisabled Variant="Variant.Outlined" ButtonStyle="ButtonStyle.Base" Size="ButtonSize.Small">
     <ChildContent>
@@ -17,41 +17,7 @@
 </RadzenSplitButton>
 
 @code {
-#nullable enable
-
-    [CascadingParameter]
-    public Worksheet? Worksheet { get; set; }
-
-    [CascadingParameter]
-    public ISpreadsheet? Spreadsheet { get; set; }
-
-    private bool IsDisabled
-        => Worksheet?.Selection.Cell == CellRef.Invalid
-        || Spreadsheet?.IsFeatureAllowed(SpreadsheetFeature.ConditionalFormatting) == false;
-
-    private readonly EventBinding<Selection> selectionBinding;
-
-    public RadzenSpreadsheetConditionalFormat()
-    {
-        selectionBinding = new EventBinding<Selection>(
-            s => s.Changed += OnSelectionChanged,
-            s => s.Changed -= OnSelectionChanged);
-    }
-
-    protected override void OnParametersSet()
-    {
-        selectionBinding.Bind(Worksheet?.Selection);
-    }
-
-    private void OnSelectionChanged()
-    {
-        StateHasChanged();
-    }
-
-    public void Dispose()
-    {
-        selectionBinding.Dispose();
-    }
+    protected override SpreadsheetFeature? Feature => SpreadsheetFeature.ConditionalFormatting;
 
     private async Task OnClickAsync(RadzenSplitButtonItem? item)
     {
diff --git a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetDataValidation.razor b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetDataValidation.razor
index e6a6e5214..80a070d94 100644
--- a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetDataValidation.razor
+++ b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetDataValidation.razor
@@ -4,7 +4,7 @@
 @using Radzen.Blazor.Spreadsheet.Tools
 @using Radzen.Documents.Spreadsheet
 @inject DialogService DialogService
-@implements IDisposable
+@inherits RadzenSpreadsheetToolBase
 
 <RadzenSplitButton Click=@OnClickAsync Icon="rule" Text=@(Spreadsheet?.Localize(nameof(RadzenStrings.Spreadsheet_Validation)) ?? "Validation") Disabled=@IsDisabled Variant="Variant.Outlined" ButtonStyle="ButtonStyle.Base" Size="ButtonSize.Small">
     <ChildContent>
@@ -14,41 +14,7 @@
 </RadzenSplitButton>
 
 @code {
-#nullable enable
-
-    [CascadingParameter]
-    public Worksheet? Worksheet { get; set; }
-
-    [CascadingParameter]
-    public ISpreadsheet? Spreadsheet { get; set; }
-
-    private bool IsDisabled
-        => Worksheet?.Selection.Cell == CellRef.Invalid
-        || Spreadsheet?.IsFeatureAllowed(SpreadsheetFeature.DataValidation) == false;
-
-    private readonly EventBinding<Selection> selectionBinding;
-
-    public RadzenSpreadsheetDataValidation()
-    {
-        selectionBinding = new EventBinding<Selection>(
-            s => s.Changed += OnSelectionChanged,
-            s => s.Changed -= OnSelectionChanged);
-    }
-
-    protected override void OnParametersSet()
-    {
-        selectionBinding.Bind(Worksheet?.Selection);
-    }
-
-    private void OnSelectionChanged()
-    {
-        StateHasChanged();
-    }
-
-    public void Dispose()
-    {
-        selectionBinding.Dispose();
-    }
+    protected override SpreadsheetFeature? Feature => SpreadsheetFeature.DataValidation;
 
     private async Task OnClickAsync(RadzenSplitButtonItem? item)
     {
diff --git a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetMergeCells.razor b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetMergeCells.razor
index 7a35abb7e..52e6832fa 100644
--- a/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetMergeCells.razor
+++ b/Radzen.Blazor/Spreadsheet/Tools/RadzenSpreadsheetMergeCells.razor
@@ -2,7 +2,7 @@
 @using Radzen.Blazor
 @using Radzen.Blazor.Spreadsheet
 @using Radzen.Documents.Spreadsheet
-@implements IDisposable
+@inherits RadzenSpreadsheetToolBase
 
 <RadzenSplitButton Click=@OnClick Icon="merge_type" Disabled=@IsDisabled Variant="Variant.Outlined" ButtonStyle="ButtonStyle.Base" Size="ButtonSize.Small">
     <ChildContent>
@@ -13,41 +13,7 @@
 </RadzenSplitButton>
 
 @code {
-#nullable enable
-
-    [CascadingParameter]
-    public Worksheet? Worksheet { get; set; }
-
-    [CascadingParameter]
-    public ISpreadsheet? Spreadsheet { get; set; }
-
-    private bool IsDisabled
-        => Worksheet?.Selection.Cell == CellRef.Invalid
-        || Spreadsheet?.IsFeatureAllowed(SpreadsheetFeature.Merging) == false;
-
-    private readonly EventBinding<Selection> selectionBinding;
-
-    public RadzenSpreadsheetMergeCells()
-    {
-        selectionBinding = new EventBinding<Selection>(
-            s => s.Changed += OnSelectionChanged,
-            s => s.Changed -= OnSelectionChanged);
-    }
-
-    protected override void OnParametersSet()
-    {
-        selectionBinding.Bind(Worksheet?.Selection);
-    }
-
-    private void OnSelectionChanged()
-    {
-        StateHasChanged();
-    }
-
-    public void Dispose()
-    {
-        selectionBinding.Dispose();
-    }
+    protected override SpreadsheetFeature? Feature => SpreadsheetFeature.Merging;
 
     private async Task OnClick(RadzenSplitButtonItem? item)
     {