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Fix export column widths in new Financial sample app #333

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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,7 @@
<GridColumn Field="@nameof(Transaction.PaymentMethodId)"
HeaderClass="centered-header"
TextAlign="@ColumnTextAlign.Center"
Title="Payment Method"
Visible="@IsLargeScreen">
<Template>
@{ var dataItem = (Transaction)context; }
Expand Down Expand Up @@ -151,34 +152,12 @@
}
private void OnGridBeforeExcelExport(GridBeforeExcelExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Category)).Width = "120px";
args.Columns.First(x => x.Field == nameof(Transaction.PaymentMethodId)).Width = "100px";
}
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

private void OnGridBeforePdfExport(GridBeforePdfExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Category)).Width = "120px";
args.Columns.First(x => x.Field == nameof(Transaction.PaymentMethodId)).Width = "100px";
}
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

[JSInvokable("OnViewPortResize")]
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,7 @@
<GridColumn Field="@nameof(Transaction.PaymentMethodId)"
HeaderClass="centered-header"
TextAlign="@ColumnTextAlign.Center"
Title="Payment Method"
Visible="@IsLargeScreen">
<Template>
@{ var dataItem = (Transaction)context; }
Expand Down Expand Up @@ -196,34 +197,12 @@

private void OnGridBeforeExcelExport(GridBeforeExcelExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Category)).Width = "120px";
args.Columns.First(x => x.Field == nameof(Transaction.PaymentMethodId)).Width = "100px";
}
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

private void OnGridBeforePdfExport(GridBeforePdfExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Category)).Width = "120px";
args.Columns.First(x => x.Field == nameof(Transaction.PaymentMethodId)).Width = "100px";
}
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

private double GetSavingsPercent(decimal value)
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -204,24 +204,12 @@
}
private void OnGridBeforeExcelExport(GridBeforeExcelExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

private void OnGridBeforePdfExport(GridBeforePdfExportEventArgs args)
{
args.Columns.First(x => x.Field == nameof(Transaction.Date)).Width = "180px";
args.Columns.First(x => x.Field == nameof(Transaction.Amount)).Width = "100px";
if (IsMediumOrLargeScreen)
{
args.Columns.First(x => x.Field == nameof(Transaction.Merchant)).Width = "140px";
}
args.Columns.First(x => x.Field == nameof(Transaction.Status)).Width = "100px";
CommonUtils.SetExportableColumnWidths(args.Columns);
}

protected override async Task OnInitializedAsync()
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,49 @@
using BlazorFinancialDashboard.Data;
using Telerik.Blazor.Components.Grid;

namespace BlazorFinancialDashboard.Services;

public static class CommonUtils
{
private static readonly Dictionary<string, string> ExportableColumnWiths = new()
{
{ nameof(Transaction.Amount), "100px" },
{ nameof(Transaction.Category), "120px" },
{ nameof(Transaction.Date), "180px" },
{ nameof(Transaction.Merchant), "140px" },
{ nameof(Transaction.PaymentMethodId), "100px" },
{ nameof(Transaction.Status), "100px" }
};

private static readonly string DefaultExportableColumnWidth = "120px";

public static void SetExportableColumnWidths(List<GridExcelExportColumn> currentColumns)
{
foreach (GridExcelExportColumn column in currentColumns)
Comment on lines +20 to +22
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Copilot AI Jun 5, 2025

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[nitpick] There are two nearly identical overloads of SetExportableColumnWidths for Excel and PDF columns. Consider abstracting the shared logic (e.g., via a generic method or interface) to reduce duplication.

Suggested change
public static void SetExportableColumnWidths(List<GridExcelExportColumn> currentColumns)
{
foreach (GridExcelExportColumn column in currentColumns)
public static void SetExportableColumnWidths<T>(List<T> currentColumns) where T : IExportableColumn
{
foreach (T column in currentColumns)

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{
if (ExportableColumnWiths.TryGetValue(column.Field, out string? value))
{
column.Width = value;
}
else
{
column.Width = DefaultExportableColumnWidth;
}
}
}

public static void SetExportableColumnWidths(List<GridPdfExportColumn> currentColumns)
{
foreach (GridPdfExportColumn column in currentColumns)
{
if (ExportableColumnWiths.TryGetValue(column.Field, out string? value))
{
column.Width = value;
}
else
{
column.Width = DefaultExportableColumnWidth;
}
}
}
}
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