From be3ba9db571edf0d061b26d5500b615181c80b00 Mon Sep 17 00:00:00 2001
From: anmcgrath <andrew.n.mcgrath@gmail.com>
Date: Sat, 22 Jun 2024 18:32:33 +1000
Subject: [PATCH 1/2] Format date/time with number format string

---
 src/BlazorDatasheet.Core/Data/Sheet.cs            | 2 +-
 src/BlazorDatasheet.Core/Data/SheetCell.cs        | 2 +-
 src/BlazorDatasheet.SharedPages/Pages/Index.razor | 6 +++++-
 src/BlazorDatasheet/Render/VisualCell.cs          | 3 +++
 4 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/BlazorDatasheet.Core/Data/Sheet.cs b/src/BlazorDatasheet.Core/Data/Sheet.cs
index 4ad14c55..c7a4851d 100644
--- a/src/BlazorDatasheet.Core/Data/Sheet.cs
+++ b/src/BlazorDatasheet.Core/Data/Sheet.cs
@@ -420,7 +420,7 @@ public void EndBatchUpdates()
     /// <param name="row"></param>
     /// <param name="col"></param>
     /// <returns></returns>
-    public CellFormat? GetFormat(int row, int col)
+    public CellFormat GetFormat(int row, int col)
     {
         var defaultFormat = new CellFormat();
         var cellFormat = Cells.GetFormat(row, col).Clone();
diff --git a/src/BlazorDatasheet.Core/Data/SheetCell.cs b/src/BlazorDatasheet.Core/Data/SheetCell.cs
index 40abec9c..4ec08d24 100644
--- a/src/BlazorDatasheet.Core/Data/SheetCell.cs
+++ b/src/BlazorDatasheet.Core/Data/SheetCell.cs
@@ -73,7 +73,7 @@ public T GetValue<T>()
     /// Gets the merged format at the cell's position. Setting the format will
     /// merge the format with existing formats in the sheet.
     /// </summary>
-    public CellFormat? Format
+    public CellFormat Format
     {
         get => _sheet.GetFormat(Row, Col);
         set => _sheet.Cells.MergeFormatImpl(new Region(Row, Col), value);
diff --git a/src/BlazorDatasheet.SharedPages/Pages/Index.razor b/src/BlazorDatasheet.SharedPages/Pages/Index.razor
index 5a5a462e..c3c652e3 100644
--- a/src/BlazorDatasheet.SharedPages/Pages/Index.razor
+++ b/src/BlazorDatasheet.SharedPages/Pages/Index.razor
@@ -45,7 +45,7 @@
     <button @onclick="@(() => Sheet.Cells.Merge(Sheet.Selection.Regions))">Merge cells</button>
     <button @onclick="@(SortSelectionDesc)">Sort Desc</button>
     <button @onclick="@(SortSelectionAsc)">Sort ASc</button>
-    <button @onclick="@(() => Sheet.SetFormat(Sheet.Selection.Regions, new CellFormat(){NumberFormat="C2"}))">Currency</button>
+    <button @onclick="@(() => Sheet.SetFormat(Sheet.Selection.Regions, new CellFormat() { NumberFormat = "C2" }))">Currency</button>
 </div>
 
 <div>
@@ -161,6 +161,10 @@
         Sheet.Cells[3, 3].Value = "Date/Time:";
         Sheet.Cells[3, 4].Type = "datetime";
         Sheet.Cells[3, 4].Value = DateTime.Now;
+        Sheet.Cells[3, 4].Format = new CellFormat()
+        {
+            NumberFormat = "yyyy-MM-dd"
+        };
 
         Sheet.Cells[4, 3].Value = "Select:";
         Sheet.Cells[4, 4].Type = "select";
diff --git a/src/BlazorDatasheet/Render/VisualCell.cs b/src/BlazorDatasheet/Render/VisualCell.cs
index 46f77d81..09565d0e 100644
--- a/src/BlazorDatasheet/Render/VisualCell.cs
+++ b/src/BlazorDatasheet/Render/VisualCell.cs
@@ -30,8 +30,11 @@ public VisualCell(int row, int col, Sheet sheet)
 
         var cellValue = sheet.Cells.GetCellValue(row, col);
         Value = cellValue.Data;
+        
         if (cellValue.ValueType == CellValueType.Number && format.NumberFormat != null)
             FormattedString = (cellValue.GetValue<double>()).ToString(format.NumberFormat);
+        else if (cellValue.ValueType == CellValueType.Date && format.NumberFormat != null)
+            FormattedString = (cellValue.GetValue<DateTime>()).ToString(format.NumberFormat);
         else
             FormattedString = Value?.ToString() ?? string.Empty;
 

From fd455adcc0ad34886e103afcefb500f7b7005fa9 Mon Sep 17 00:00:00 2001
From: anmcgrath <andrew.n.mcgrath@gmail.com>
Date: Sat, 22 Jun 2024 18:44:53 +1000
Subject: [PATCH 2/2] Fix date time editor

---
 .../DateTimeEditorComponent.razor             | 20 ++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/BlazorDatasheet/Edit/DefaultComponents/DateTimeEditorComponent.razor b/src/BlazorDatasheet/Edit/DefaultComponents/DateTimeEditorComponent.razor
index 7791c220..6b2ad381 100644
--- a/src/BlazorDatasheet/Edit/DefaultComponents/DateTimeEditorComponent.razor
+++ b/src/BlazorDatasheet/Edit/DefaultComponents/DateTimeEditorComponent.razor
@@ -2,6 +2,7 @@
 @using BlazorDatasheet.Core.Interfaces
 @using BlazorDatasheet.Core.Data
 @using BlazorDatasheet.Core.Edit
+@using BlazorDatasheet.Formula.Core
 @inherits BaseEditor
 
 <input
@@ -37,19 +38,20 @@
     public override void BeforeEdit(IReadOnlyCell cell, Sheet sheet)
     {
         Cell = cell;
+        CurrentValue = cell?.Value?.ToString() ?? string.Empty;
     }
 
     public override void BeginEdit(EditEntryMode entryMode, string? editValue, string key)
     {
-    /*var canParse = DateTime.TryParse(editValue?.ToString(), out var parsedDateTime);
-        if (canParse)
-        {
-            CurrentDateTime = parsedDateTime;
-        }
-        else
-        {
-            CurrentDateTime = DateTime.Now;
-        }*/
+        /*var canParse = DateTime.TryParse(editValue?.ToString(), out var parsedDateTime);
+            if (canParse)
+            {
+                CurrentDateTime = parsedDateTime;
+            }
+            else
+            {
+                CurrentDateTime = DateTime.Now;
+            }*/
     }
 
 }
\ No newline at end of file