internal Size MeasureTextByFormattedText(Size rectangle, GridColumnBase column, object record, GridQueryBounds queryBound, FormattedText formattedtext)
{
formattedtext.Trimming = TextTrimming.None;
if (queryBound == GridQueryBounds.Height)
{
formattedtext.MaxTextHeight = double.MaxValue;
//if column is null, then stackedcolumn text is measured.
if (column == null)
{
formattedtext.MaxTextWidth = rectangle.Width;
//Here six is added to the formattedtext height,
//because while calculating auto-height for headers with textblock ( AllowMeasureTextByFormattedText as False), we have measured the textblock by top and bottom margin as 3.
return(new Size(formattedtext.Width, formattedtext.Height + 6));
}
else
{
formattedtext.MaxTextWidth = column.IsHidden || column.Width == 0.0 ? GetDefaultLineSize() : rectangle.Width;
}
if (column.hasMargin)
{
if (formattedtext.MaxTextWidth > (GetMargin(column).Left + GetMargin(column).Right))
{
formattedtext.MaxTextWidth -= (GetMargin(column).Left + GetMargin(column).Right);
}
}
else
{
if (formattedtext.MaxTextWidth > (Margin.Left + Margin.Right))
{
formattedtext.MaxTextWidth -= (Margin.Left + Margin.Right);
}
}
//Here six is added to the formattedtext height,
//because while calculating auto-height for headers with textblock ( AllowMeasureTextByFormattedText as False), we have measured the textblock by top and bottom margin as 3.
if (record == null)
{
return(new Size(formattedtext.Width, formattedtext.Height + 6));
}
return(new Size(formattedtext.Width, formattedtext.Height));
}
else
{
//The MaxTextWidth value must be between '0' and '3579139.40666667'
formattedtext.MaxTextWidth = 3579139;
formattedtext.MaxTextHeight = double.MaxValue;
if (column.hasMargin)
{
return(new Size(formattedtext.Width + (GetMargin(column).Left + GetMargin(column).Right), formattedtext.Height));
}
else
{
return(new Size(formattedtext.Width + (Margin.Left + Margin.Right), formattedtext.Height));
}
}
}
internal Size MeasureTextByTextBlock(Size rectangle, string displayText, GridColumnBase column, object record, GridQueryBounds queryBound, TextBlock textBlock)
{
textBlock.Text = displayText;
var parentBorder = new Border {
Child = textBlock
};
if (queryBound == GridQueryBounds.Height)
{
if (column == null)
{
textBlock.MaxWidth = rectangle.Width;
}
else
{
textBlock.MaxWidth = column.IsHidden || column.Width == 0.0 ? GetDefaultLineSize() : rectangle.Width;
}
textBlock.MaxHeight = double.PositiveInfinity;
}
else
{
textBlock.MaxHeight = rectangle.Height;
textBlock.MaxWidth = double.PositiveInfinity;
//Calculating MaxWidth for ParentBorder was created an issue when the Text size is Greater than VisualContainer.TotalExtent value. Hence we removing this code.
//var totalWidth = this.dataGrid.VisualContainer.ColumnWidths.TotalExtent;
//parentBorder.MaxWidth = totalWidth;
}
//WPF-19471 To get correct text area size , Must pass textblock maximum width and maximum height for measure text area
parentBorder.Measure(new Size(textBlock.MaxWidth, textBlock.MaxHeight));
parentBorder.Child = null;
return(parentBorder.DesiredSize);
}
/// <summary>
/// Sorts Grid columns by position
/// </summary>
/// <param name="A"></param>
/// <param name="B"></param>
/// <returns></returns>
public static int SortByPosition(GridColumnBase A, GridColumnBase B)
{
if ((A is PredefinedColumn))
{
if (B is PredefinedColumn)
{
return(0);
}
else
{
return(-1);
}
}
else
{
if (B is PredefinedColumn)
{
return(1);
}
else
{
return(A.Position.CompareTo(B.Position));
}
}
}
/// <summary>
/// Resets the auto width for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to reset the auto width.
/// </param>
/// <remarks>
/// The column width is reset to <b>double.Nan</b> ,if the column sizing is need to recalculate based on the data.
/// </remarks>
/// <exception cref="System.InvalidOperationException">Thrown when the column is null.</exception>
public void ResetAutoCalculation(GridColumnBase column)
{
if (column == null)
{
throw new InvalidOperationException("Column Should not be null to perform this operation");
}
column.AutoWidth = double.NaN;
}
/// <summary>
/// Sets the width for the specified column based on <see cref="Syncfusion.UI.Xaml.Grid.GridLengthUnitType.Auto"/> column sizer.
/// </summary>
/// <param name="column">
/// The corresponding column to set Auto width.
/// </param>
/// <param name="width">
/// The corresponding width set as Auto width.
/// </param>
/// <exception cref="System.InvalidOperationException">Thrown when the column is null.</exception>
internal void SetAutoWidth(GridColumnBase column, double width)
{
if (column == null)
{
throw new InvalidOperationException("Column Should not be null to perform this operation");
}
column.AutoWidth = width;
}
protected async Task HandleMouseUp(GridColumnBase gridColumn)
{
List <string> options = (await GridConfig.GetSourceListAsync())
.Select(n => gridColumn.PropertyInfo.GetValue(n, null).ToString())
.Distinct().Take(11).ToList();
await GridSearch.CreateGridSearch(gridColumn, options.Count() <= 10?options : null);
}
/// <summary>
/// Gets the content presenter to measure the template when column sizer is SizeToCells.
/// </summary>
/// <param name="column">
/// The corresponding column to get the content presenter.
/// </param>
/// <param name="record">
/// The corresponding record to get the content presenter.
/// </param>
/// <returns>
/// Returns the <see cref="System.Windows.Controls.ContentPresenter"/> for the specified column and record.
/// </returns>
internal ContentPresenter GetControl(GridColumnBase column, object record)
{
if (Control == null)
{
Control = new ContentPresenter();
}
return(Control);
}
private static BindingMode SetBindingMode(GridColumnBase column, PropertyPath path)
{
var isModeSet = false;
var bindingMode = BindingMode.TwoWay;
PropertyDescriptorCollection itemproperties = null;
if (column.GridBase != null)
{
if (column.GridBase is SfTreeGrid)
{
var SfTreeGrid = (column.GridBase as SfTreeGrid);
if (SfTreeGrid.View != null)
{
itemproperties = SfTreeGrid.View.GetItemProperties();
}
}
else
{
var sfDataGrid = (column.GridBase as SfDataGrid);
if (sfDataGrid.View != null)
{
itemproperties = sfDataGrid.View.GetItemProperties();
}
}
}
if (itemproperties != null)
{
var propDesc = itemproperties.GetPropertyDescriptor(column.MappingName);
if (propDesc != null)
{
#if WPF
bindingMode = propDesc.IsReadOnly ? BindingMode.OneWay : BindingMode.TwoWay;
#else
bindingMode = (propDesc.SetMethod == null || !propDesc.SetMethod.IsPublic) ? BindingMode.OneWay : BindingMode.TwoWay;
#endif
isModeSet = true;
}
}
//While implementing the IDataErroInfo, will generate Error read only property. Based on this property created a column when AutoGenerateColumn is True.
//so that mode will be reset based on AllowEditing property of that Error column.
if (!isModeSet)
{
if (column.AllowEditing && column.CanEditCell())
{
bindingMode = BindingMode.TwoWay;
}
else
{
bindingMode = BindingMode.OneWay;
}
isModeSet = true;
}
return(bindingMode);
}
/// <summary>
/// Gets the TextBlock to measure the text when the column sizer is <see cref="Syncfusion.UI.Xaml.Grid.GridLengthUnitType.SizeToCells"/> or <see cref="Syncfusion.UI.Xaml.Grid.GridLengthUnitType.Auto"/>.
/// </summary>
/// <param name="column">
/// The corresponding column to get the TextBlock.
/// </param>
/// <param name="record">
/// The corresponding record to get the TextBlock.
/// </param>
/// <param name="queryBounds">
/// Indicates whether the text is measured based on the height or width of the cell.
/// </param>
/// <returns>
/// Returns the TextBlock for the specified column and record.
/// </returns>
internal TextBlock GetTextBlock(GridColumnBase column, object record, GridQueryBounds queryBounds)
{
if (TextBlock == null)
{
TextBlock = new TextBlock();
}
if (record == null)
{
TextBlock.FontFamily = FontFamily;
TextBlock.FontStretch = FontStretch;
//auto-row height calculation for headers and stacked header.
if (queryBounds == GridQueryBounds.Height)
{
TextBlock.Margin = new Thickness(5, 3, 5, 3);
}
else
{
#if WPF
TextBlock.Margin = new Thickness(10, 3, 2, 3);
#else
TextBlock.Margin = new Thickness(10, 3, 10, 3);
#endif
}
#if WPF
//WPF-23198 While calculating the TextBlock size, we have to set the FontSize of TextBlock as same as in view.
//For Header we have FontSize as 14 so we need to calculate the TextBlock size for header by using 14.
TextBlock.FontSize = 14;
TextBlock.FontWeight = FontWeights.Normal;
#else
TextBlock.FontSize = 16;
TextBlock.FontWeight = FontWeights.SemiBold;
#endif
if (column != null)
{
TextBlock.HorizontalAlignment = column.HorizontalHeaderContentAlignment;
}
cachedColumn = null;
}
else
{
if (cachedColumn != column)
{
cachedColumn = column;
TextBlock.FontFamily = column != null && column.hasFontFamily ? GetFontFamily(column) : FontFamily;
TextBlock.Margin = GetMargin(column, queryBounds);
TextBlock.FontSize = column != null && column.hasFontSize ? GetFontSize(column) : FontSize;
TextBlock.FontWeight = column != null && column.hasFontWeight ? GetFontWeight(column) : FontWeight;
TextBlock.FontStretch = column != null && column.hasFontStretch ? GetFontStretch(column) : FontStretch;
}
}
TextBlock.TextWrapping = queryBounds == GridQueryBounds.Height ? TextWrapping.Wrap : TextWrapping.NoWrap;
return(TextBlock);
}
internal Size MeasureHeaderTemplate(GridColumnBase column, Size rect, GridQueryBounds bounds, ContentPresenter ctrl)
#endif
{
#if UWP
var _popUp = GetPopUp();
_popUp.Child = ctrl;
if (bounds == GridQueryBounds.Height)
{
ctrl.Margin = new Thickness(5, 3, 5, 3);
}
else
{
ctrl.Margin = new Thickness(10, 3, 10, 3);
}
#endif
ctrl.Measure(new Size());
ctrl.Content = column.HeaderText;
ctrl.ContentTemplate = column.HeaderTemplate;
var controlSize = Size.Empty;
if (bounds == GridQueryBounds.Height)
{
double iconsWidth = 0;
if (this.GridBase.SortColumnDescriptions.Any(item => item.ColumnName == column.MappingName))
{
iconsWidth += SortIconWidth;
}
iconsWidth += column.GetFilterIconWidth();
ctrl.Measure(new Size(rect.Width - iconsWidth, Double.PositiveInfinity));
controlSize = ctrl.DesiredSize;
ctrl.ContentTemplate = null;
#if UWP
_popUp.Child = null;
#endif
if (controlSize.Height == 0)
{
return(new Size(controlSize.Width, this.GridBase.HeaderRowHeight));
}
//When we calculate the height of the HeaderTemplate we need to add the margin and padding
return(new Size(controlSize.Width, controlSize.Height + margin.Top + margin.Bottom));
}
else
{
ctrl.Measure(new Size(Double.PositiveInfinity, rect.Height));
controlSize = ctrl.DesiredSize;
ctrl.ContentTemplate = null;
#if UWP
_popUp.Child = null;
#endif
if (controlSize.Width == 0)
{
return(new Size(150, controlSize.Height));
}
}
return(controlSize);
}
private Thickness ProcessUIElementPadding(GridColumnBase column)
{
var padLeft = column.Padding.Left;
var padRight = column.Padding.Right;
var padTop = column.Padding.Top;
var padBotton = column.Padding.Bottom;
var padding = column.ReadLocalValue(GridColumnBase.PaddingProperty);
return(padding != DependencyProperty.UnsetValue
? new Thickness(-1 + padLeft, padTop, 3 + padRight, padBotton)
: new Thickness(-1, 0, 3, 0));
}
protected virtual void Dispose(bool disposing)
{
if (isdisposed)
{
return;
}
GridBase = null;
cachedColumn = null;
Control = null;
TextBlock = null;
isdisposed = true;
}
public object Format(string format, GridColumnBase gridColumn, object record, object value)
{
if (value == null)
{
throw new ArgumentNullException((value == null) ? "format" : "args");
}
if (gridColumn is GridColumn && (gridColumn as GridColumn).MappingName == "Value")
{
var orderInfo = record as OrderInfo;
return((Convert.ToDecimal((orderInfo.Value.ToString()))).ToString("0.00%"));
}
return(value.ToString());
}
/// <summary>
/// Gets the formatted text for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the formatted text.
/// </param>
/// <param name="record">
/// The corresponding record to get the formatted text.
/// </param>
/// <param name="displaytext">
/// The corresponding display text to get formatted text.
/// </param>
/// <returns>
/// Returns the formatted text for the specified column.
/// </returns>
internal FormattedText GetFormattedText(GridColumnBase column, object record, string displaytext)
{
//WPF-23198 While calculating the FormattedText, we have set the FontSize of GridColumnSizer as same as in view.
//For Header we have FontSize as 14 so we need to calculate the formatted text by using 14.
FormattedText formattedtext;
if (record == null)
{
formattedtext = new FormattedText(displaytext, System.Globalization.CultureInfo.CurrentCulture, GridBase.FlowDirection, new Typeface(FontFamily, new FontStyle(), FontWeights.Normal, FontStretch), 14, Brushes.Black);
}
else
{
formattedtext = new FormattedText(displaytext, System.Globalization.CultureInfo.CurrentCulture, GridBase.FlowDirection, new Typeface(column.hasFontFamily ? GetFontFamily(column) : FontFamily, new FontStyle(), column.hasFontWeight ? GetFontWeight(column) : FontWeight, column.hasFontStretch ? GetFontStretch(column) : FontStretch), column.hasFontSize ? GetFontSize(column) : FontSize, Brushes.Black);
}
return(formattedtext);
}
/// <summary>
/// Returns the padding value for corresponding grid column.
/// </summary>
/// <param name="column">GridColumn</param>
/// <returns>Thickness</returns>
internal Thickness GetMargin(GridColumnBase column, GridQueryBounds queryBounds)
{
Thickness _margin = Margin;
if (column != null && column.hasMargin)
{
_margin = GetMargin(column);
}
if (queryBounds == GridQueryBounds.Height)
#if WPF
{ _margin.Left -= 0.5; }
#else
{ _margin.Left -= 6; }
#endif
return(_margin);
}
internal override void ProcessUIElementPadding(GridColumnBase column)
{
var padLeft = column.Padding.Left;
var padRight = column.Padding.Right;
var padTop = column.Padding.Top;
var padBotton = column.Padding.Bottom;
var padding = column.ReadLocalValue(GridColumnBase.PaddingProperty);
#if UWP
this.padding = padding != DependencyProperty.UnsetValue
? new Thickness(3 + padLeft, 3 + padTop, 5 + padRight, 5 + padBotton)
: new Thickness(3, 1, 6, 6);
#else
this.padding = padding != DependencyProperty.UnsetValue
? new Thickness(3 + padLeft, 1 + padTop, 3 + padRight, 1 + padBotton)
: new Thickness(3, 1, 3, 1);
#endif
}
internal double CheckWidthConstraints(GridColumnBase column, double Width, double columnWidth)
{
if (!double.IsNaN(column.MinimumWidth) || !double.IsNaN(column.MaximumWidth))
{
if (!double.IsNaN(column.MaximumWidth))
{
if (!double.IsNaN(Width) && column.MaximumWidth > Width)
{
columnWidth = Width;
}
else
{
columnWidth = column.MaximumWidth;
}
}
if (!double.IsNaN(column.MinimumWidth))
{
if (!double.IsNaN(Width) && column.MinimumWidth < Width)
{
if (Width > column.MaximumWidth)
{
columnWidth = column.MaximumWidth;
}
else
{
columnWidth = Width;
}
}
else
{
columnWidth = column.MinimumWidth;
}
}
}
else
{
if (!double.IsNaN(Width))
{
columnWidth = Width;
}
}
return(columnWidth);
}
internal static Binding CreateEditableBinding(this string mappingName, GridColumnBase column, bool enableErrorNotification)
{
bool canBindTwoWay = column != null?column.CanEditCell() : true;
var binding = new Binding
{
Path = new PropertyPath(mappingName),
Mode = canBindTwoWay ? BindingMode.TwoWay : BindingMode.OneWay,
#if WPF
NotifyOnValidationError = enableErrorNotification,
ValidatesOnDataErrors = enableErrorNotification,
#if !SyncfusionFramework4_0
ValidatesOnNotifyDataErrors = enableErrorNotification
#endif
#endif
};
return(binding);
}
protected async Task SortColumn(GridColumnBase thisColumn)
{
foreach (GridColumnBase gridColumn in GridConfig.GridColumnBases)
{
if (gridColumn == thisColumn)
{
if (gridColumn.SortSymbol == "↑")
{
gridColumn.SortSymbol = "";
Sort = null;
}
else if (gridColumn.SortSymbol == "↓")
{
gridColumn.SortSymbol = "↑";
Sort = new SortChangeEvent()
{
SortId = gridColumn.PropertyInfo.Name, Direction = SortDirection.Desc
};
}
else
{
gridColumn.SortSymbol = "↓";
//Sort = new SortChangedEvent();
Sort = new SortChangeEvent()
{
SortId = gridColumn.PropertyInfo.Name, Direction = SortDirection.Asc
};
}
}
else
{
gridColumn.SortSymbol = "";
}
}
GridConfig.ItemList = await GridConfig.GetPageAsync(Sort, GridSearch);
}
protected void HandleCellContextMenu(GridColumnBase gridColumn, object context)
{
CellContexMenu = new CellContexMenuOption(gridColumn, context, GridConfig.UrlFolder);
ShowContextMenu = true;
}
/// <summary>
/// Adds the GridColumnStyle for a column to the collection
/// </summary>
/// <param name="column">Column to add</param>
private void SetColumnStyle(GridColumnBase column)
{
bool columnExists = false;
DataGridTextBoxColumn textColumn = new DataGridTextBoxColumn();
textColumn.MappingName = column.Name;
textColumn.HeaderText = column.Text;
textColumn.Width = (column.Width > 0 ? column.Width:75);
textColumn.NullText = string.Empty;
textColumn.WidthChanged += new EventHandler(textColumn_WidthChanged);
foreach (DataGridColumnStyle col in dgColumns.TableStyles["GridColumns"].GridColumnStyles)
{
if (col.MappingName.Equals(textColumn.MappingName))
{
columnExists = true;
}
}
if (!columnExists)
{
this.dgColumns.TableStyles["GridColumns"].GridColumnStyles.Add(textColumn);
}
}
/// <summary>
/// Deletes a grid column from the database.
/// </summary>
/// <param name="column">A grid column.</param>
public void DeleteGridColumn(GridColumnBase column)
{
try
{
Query query = db.CreateQuery("delete from metaGridColumns where [GridColumnId] = @fieldId and [Name] = @Name");
query.Parameters.Add(new QueryParameter("@fieldId", DbType.Int32, column.Id));
query.Parameters.Add(new QueryParameter("@Name", DbType.String, column.Name));
db.ExecuteNonQuery(query);
}
catch (Exception ex)
{
throw new GeneralException("Could not delete grid column in the database.", ex);
}
}
/// <summary>
/// Gets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.Margin"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the margin.
/// </param>
/// <remarks>
/// The specified margin is considered for column sizing calculation only.
/// </remarks>
public static Thickness GetMargin(GridColumnBase column)
{
return((Thickness)column.GetValue(MarginProperty));
}
/// <summary>
/// Sets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.Margin"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to set the margin.
/// </param>
/// <param name="value">
/// The desired margin to set.
/// </param>
/// <remarks>
/// The specified margin is considered for column sizing calculation only.
/// </remarks>
public static void SetMargin(GridColumnBase column, Thickness value)
{
column.SetValue(MarginProperty, value);
column.hasMargin = true;
}
/// <summary>
/// Gets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontFamily"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the font family.
/// </param>
/// <remarks>
/// The specified font family is considered for column sizing calculation only.
/// </remarks>
public static FontFamily GetFontFamily(GridColumnBase column)
{
return((FontFamily)column.GetValue(FontFamilyProperty));
}
/// <summary>
/// Sets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontFamily"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to set the font family.
/// </param>
/// <param name="value">
/// The desired font family to set.
/// </param>
/// <remarks>
/// The specified font family is considered for column sizing calculation only.
/// </remarks>
public static void SetFontFamily(GridColumnBase column, FontFamily value)
{
column.SetValue(FontFamilyProperty, value);
column.hasFontFamily = true;
}
/// <summary>
/// Gets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontStretch"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the font stretch.
/// </param>
/// <remarks>
/// The specified font stretch is considered for column sizing calculation only.
/// </remarks>
public static FontStretch GetFontStretch(GridColumnBase column)
{
return((FontStretch)column.GetValue(FontStretchProperty));
}
/// <summary>
/// Creates a Gridfield column in a GridField table.
/// </summary>
/// <param name="column">Grid Column to use as a table field.</param>
/// <param name="tableName">Name of the GridField table.</param>
private void CreateTableColumn(GridColumnBase column, string tableName)
{
string length = string.Empty;
if (column.GetDbSpecificColumnType().Equals("nvarchar"))
{
length = "(4000)";
}
if (column.GetDbSpecificColumnType().Equals("nchar"))
{
length = "(4000)";
}
if (column.GetDbSpecificColumnType().Equals("text"))
{
length = "(255)";
}
string columnType = column.GetDbSpecificColumnType();
string queryText = "alter table [" + tableName + "] add [" + column.Name + "] " + columnType + length;
if (column.IsRequired)
{
queryText += " not null";
}
Query query = dbDriver.CreateQuery(queryText);
dbDriver.ExecuteNonQuery(query);
}
/// <summary>
/// Sets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontWeight"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to set the font weight.
/// </param>
/// <param name="value">
/// The desired font weight.
/// </param>
/// <remarks>
/// The specified font weight is considered for column sizing calculation only.
/// </remarks>
public static void SetFontWeight(GridColumnBase column, FontWeight value)
{
column.SetValue(FontWeightProperty, value);
column.hasFontWeight = true;
}
/// <summary>
/// Gets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontSize"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the font size.
/// </param>
/// <remarks>
/// The specified font size is considered for column sizing calculation only.
/// </remarks>
public static double GetFontSize(GridColumnBase column)
{
return((double)column.GetValue(FontSizeProperty));
}
/// <summary>
/// Sets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontSize"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to set the font size to its text content.
/// </param>
/// <param name="value">
/// The desired font size.
/// </param>
/// <remarks>
/// The specified font size is considered for column sizing calculation only.
/// </remarks>
public static void SetFontSize(GridColumnBase column, double value)
{
column.SetValue(FontSizeProperty, value);
column.hasFontSize = true;
}
/// <summary>
/// Updates the style of an existing column
/// </summary>
/// <param name="position">Position of the original column</param>
/// <param name="column">Updated column</param>
private void UpdateColumnStyle(int position, GridColumnBase column)
{
position = position - iColumnOffset;
DataGridColumnStyle[] temp = new DataGridColumnStyle[dgColumns.TableStyles["GridColumns"].GridColumnStyles.Count];
dgColumns.TableStyles["GridColumns"].GridColumnStyles.CopyTo(temp, 0);
List<DataGridColumnStyle> styles = new List<DataGridColumnStyle>(temp);
DataGridTextBoxColumn textColumn = new DataGridTextBoxColumn();
textColumn.MappingName = column.Name;
textColumn.HeaderText = column.Text;
textColumn.Width = (column.Width > 0 ? column.Width : 75);
textColumn.NullText = string.Empty;
textColumn.WidthChanged += new EventHandler(textColumn_WidthChanged);
styles.RemoveAt(position);
styles.Insert(position, textColumn);
dgColumns.TableStyles["GridColumns"].GridColumnStyles.Clear();
dgColumns.TableStyles["GridColumns"].GridColumnStyles.AddRange(styles.ToArray());
}
/// <summary>
/// Sorts Grid columns by position
/// </summary>
/// <param name="A"></param>
/// <param name="B"></param>
/// <returns></returns>
public static int SortByPosition(GridColumnBase A, GridColumnBase B)
{
if ((A is PredefinedColumn))
{
if (B is PredefinedColumn)
{
return 0;
}
else
{
return -1;
}
}
else
{
if (B is PredefinedColumn)
{
return 1;
}
else
{
return A.Position.CompareTo(B.Position);
}
}
}
/// <summary>
/// Gets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontWeight"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to get the font weight.
/// </param>
/// <remarks>
/// The specified font weight is considered for column sizing calculation only.
/// </remarks>
public static FontWeight GetFontWeight(GridColumnBase column)
{
return((FontWeight)column.GetValue(FontWeightProperty));
}
/// <summary>
/// Sets the value of <see cref="Syncfusion.UI.Xaml.Grid.GridColumnSizer.FontStretch"/> property for the specified column.
/// </summary>
/// <param name="column">
/// The corresponding column to set the font stretch.
/// </param>
/// <param name="value">
/// The desired font stretch value.
/// </param>
/// <remarks>
/// The specified font stretch is considered for column sizing calculation only.
/// </remarks>
public static void SetFontStretch(GridColumnBase column, FontStretch value)
{
column.SetValue(FontStretchProperty, value);
column.hasFontStretch = true;
}