/// <summary>
/// Determines whether the specified row index is associated with TableSummaryRow.
/// </summary>
/// <param name="dataGrid">
/// The SfDataGrid.
/// </param>
/// <param name="rowIndex">
/// The corresponding rowIndex to determine the TableSummaryRow.
/// </param>
/// <returns>
/// Returns <b>true</b> if the specified row index is TableSummaryRow; otherwise, <b>false</b>.
/// </returns>
public static bool IsTableSummaryIndex(this SfDataGrid dataGrid, int rowIndex)
{
if (rowIndex < dataGrid.HeaderLineCount)
{
var frozenCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, false);
var topTableSummariesCount = dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Top);
var tableSummaryStartIndex = dataGrid.StackedHeaderRows.Count + frozenCount + 1; //1 added for Column Header
var tableSummaryEndIndex = dataGrid.StackedHeaderRows.Count + frozenCount + topTableSummariesCount + 1;
if (rowIndex >= tableSummaryStartIndex && rowIndex < tableSummaryEndIndex)
{
return(true);
}
}
else
{
var footerCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true);
var tableSummaryEndIndex = dataGrid.VisualContainer.RowCount - footerCount;
var tableSummaryStartIndex = dataGrid.VisualContainer.RowCount - (dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom) + footerCount);
if (rowIndex >= tableSummaryStartIndex && rowIndex < tableSummaryEndIndex)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Gets the UnBoundRow for the specified row index.
/// </summary>
/// <param name="dataGrid">
/// The SfDataGrid.
/// </param>
/// <param name="rowIndex">
/// The row index to get the UnBoundRow.
/// </param>
/// <returns>
/// Returns the corresponding <see cref="Syncfusion.UI.Xaml.Grid.GridUnBoundRow"/> for the specified row index.
/// </returns>
public static GridUnBoundRow GetUnBoundRow(this SfDataGrid dataGrid, int rowIndex)
{
if (!dataGrid.UnBoundRows.Any())
{
return(null);
}
var row = dataGrid.UnBoundRows.FirstOrDefault(urow => urow.RowIndex == rowIndex);
if (row != null)
{
return(row);
}
else
{
var frozenCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, false); //, RowRegion.Header);
var footerCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true); //, RowRegion.Footer);
var topBodyCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, true); //, RowRegion.Body);
var bottomBodyCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, false); //, RowRegion.Body);
var topTableSummaryRowsCount = dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Top);
var bottomTableSummaryRowsCount = !dataGrid.HasView ? 0 : dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom);
var gridRows = !dataGrid.HasView ? 0 : (dataGrid.AddNewRowPosition == AddNewRowPosition.Top ? 1 : 0)
+ (dataGrid.FilterRowPosition == FilterRowPosition.Top ? 1 : 0);
var headerLineCount = (!dataGrid.HasView ? dataGrid.VisualContainer.FrozenRows : dataGrid.HeaderLineCount) + gridRows;
var headerIndex = !dataGrid.HasView ? dataGrid.StackedHeaderRows.Count : dataGrid.GetHeaderIndex();
var rowCount = dataGrid.VisualContainer.RowCount;
var bottomAddNewRow = !dataGrid.HasView ? 0 : dataGrid.AddNewRowPosition == AddNewRowPosition.Bottom ? 1 : 0;
bottomAddNewRow += !dataGrid.HasView ? 0 : dataGrid.FilterRowPosition == FilterRowPosition.Bottom ? 1 : 0;
if (rowIndex > headerIndex && rowIndex <= (headerIndex + frozenCount)) // FrozenCount Condition Checking
{
return(dataGrid.UnBoundRows.FirstOrDefault(item => !item.ShowBelowSummary && item.Position == UnBoundRowsPosition.Top && item.UnBoundRowIndex == (rowIndex - (headerIndex + 1))));
}
else if (rowIndex >= headerLineCount && rowIndex < (headerLineCount + topBodyCount)) // TopBodyCount Condition Checking
{
return(dataGrid.UnBoundRows.FirstOrDefault(item => item.ShowBelowSummary && item.Position == UnBoundRowsPosition.Top && item.UnBoundRowIndex == (rowIndex - headerLineCount)));
}
else if (rowIndex >= (rowCount - footerCount) && rowIndex < rowCount) // Footer count condition checking.
{
return(dataGrid.UnBoundRows.FirstOrDefault(item => item.ShowBelowSummary && item.Position == UnBoundRowsPosition.Bottom && item.UnBoundRowIndex == ((rowIndex + footerCount) - rowCount)));
}
else if ((rowIndex < (rowCount - (bottomTableSummaryRowsCount + footerCount + bottomAddNewRow))) && (rowIndex >= (rowCount - (bottomTableSummaryRowsCount + footerCount + bottomBodyCount + bottomAddNewRow)))) // Bootom body condition chceking
{
return(dataGrid.UnBoundRows.FirstOrDefault(item => !item.ShowBelowSummary && item.Position == UnBoundRowsPosition.Bottom && item.UnBoundRowIndex == ((rowIndex + bottomBodyCount + bottomAddNewRow + bottomTableSummaryRowsCount + footerCount) - rowCount)));
}
}
return(null);
}
/// <summary>
/// Gets the header index of SfDataGrid.
/// </summary>
/// <param name="grid">
/// The SfDataGrid.
/// </param>
/// <returns>
/// Returns the header index of the SfDataGrid.
/// </returns>
public static int GetHeaderIndex(this SfDataGrid grid)
{
var frozenCount = grid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, false);//, RowRegion.Header);
int rowCount = (grid.AddNewRowPosition == AddNewRowPosition.FixedTop ? 1 : 0) + (grid.FilterRowPosition == FilterRowPosition.FixedTop ? 1 : 0);
return((grid.HeaderLineCount - (rowCount + 1))
- (grid.GetTableSummaryCount(TableSummaryRowPosition.Top)) - frozenCount);
}
/// <summary>
/// Determines whether the specified row index is associated with any UnBoundRow's.
/// </summary>
/// <param name="dataGrid">
/// The SfDataGrid.
/// </param>
/// <param name="rowIndex">
/// The corresponding rowIndex to determine the UnBoundRow.
/// </param>
/// <returns>
/// Returns <b>true</b> if the specified row index is UnBoundRow; otherwise, <b>false</b>.
/// </returns>
public static bool IsUnBoundRow(this SfDataGrid dataGrid, int rowIndex)
{
if (!dataGrid.UnBoundRows.Any())
{
return(false);
}
var topUnBoundDataRowsCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top);
var bottomUnBoundDataRowsCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom);
var rowCount = dataGrid.VisualContainer.RowCount;
var topTableSummaryRowsCount = dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Top);
var bottomTableSummaryRowsCount = dataGrid.View == null ? 0 : dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom);
var frozenCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, false); //, RowRegion.Header);
var footerCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true); //,RowRegion.Footer);
var topBodyCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, true); //, RowRegion.Body);
var bottomBodyCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, false); //, RowRegion.Body);
var bottomAddNewRow = !dataGrid.HasView ? 0 : dataGrid.AddNewRowPosition == AddNewRowPosition.Bottom ? 1 : 0;
bottomAddNewRow += !dataGrid.HasView ? 0 : dataGrid.FilterRowPosition == FilterRowPosition.Bottom ? 1 : 0;
var gridRows = !dataGrid.HasView ? 0 : (dataGrid.AddNewRowPosition == AddNewRowPosition.Top ? 1 : 0)
+ (dataGrid.FilterRowPosition == FilterRowPosition.Top ? 1 : 0);
var headerLineCount = (!dataGrid.HasView ? dataGrid.VisualContainer.FrozenRows : dataGrid.HeaderLineCount)
+ gridRows;
var headerIndex = !dataGrid.HasView ? dataGrid.StackedHeaderRows.Count : dataGrid.GetHeaderIndex();
if
((rowIndex >= headerLineCount && rowIndex < (headerLineCount + topBodyCount)) // TopBodyCount Condition Checking
||
(rowIndex > headerIndex && rowIndex <= (headerIndex + frozenCount)) // FrozenCount Condition Checking
||
((rowIndex < (rowCount - (bottomTableSummaryRowsCount + footerCount + bottomAddNewRow))) && (rowIndex >= (rowCount - (bottomTableSummaryRowsCount + footerCount + bottomBodyCount + bottomAddNewRow)))) // Bootom body condition chceking
||
(rowIndex >= (rowCount - footerCount) && rowIndex < rowCount)) // Footer count condition checking.
{
return(true);
}
return(false);
}
/// <summary>
/// Gets the corresponding row index of the FilterRow.
/// </summary>
/// <param name="dataGrid">
/// The SfDataGrid.
/// </param>
/// <returns>
/// Returns an index of a FilterRow.
/// </returns>
public static int GetFilterRowIndex(this SfDataGrid dataGrid)
{
var footerCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true);
var frozenCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Top, false);
if (dataGrid.FilterRowPosition == FilterRowPosition.FixedTop)
{
return(dataGrid.HeaderLineCount - (1 + (dataGrid.AddNewRowPosition == AddNewRowPosition.FixedTop ? 1 : 0)));
}
else if (dataGrid.FilterRowPosition == FilterRowPosition.Top)
{
return(dataGrid.HeaderLineCount);
}
else if (dataGrid.FilterRowPosition == FilterRowPosition.Bottom)
{
return(dataGrid.VisualContainer.RowCount - (dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom) + 1 + footerCount));
}
return(-1);
}
/// <summary>
/// Resolves the table summary index corresponding to the specified row index in SfDataGrid.
/// </summary>
/// <param name="dataGrid">
/// The SfDataGrid.
/// </param>
/// <param name="rowIndex">
/// Specifies the corresponding row index to get its table summary index.
/// </param>
/// <returns>
/// The table summary index corresponding to the specified row index ; returns -1 , if the VisualContainer of the SfDataGrid is null.
/// </returns>
public static int ResolveToTableSummaryIndex(this SfDataGrid dataGrid, int rowIndex)
{
if (dataGrid.VisualContainer != null)
{
var endindex = dataGrid.VisualContainer.RowCount - 1;
var startindex = dataGrid.VisualContainer.RowCount
- dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom)
- dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true);
if (rowIndex >= startindex && rowIndex <= endindex)
{
return(rowIndex - startindex);
}
if (rowIndex >= 0)
{
return(rowIndex);
}
}
return(-1);
}
/// <summary>
/// Gets the row index of the AddNewRow.
/// </summary>
/// <returns>
/// Returns row index of the AddNewRow.
/// </returns>
public int GetAddNewRowIndex()
{
if (dataGrid.AddNewRowPosition == AddNewRowPosition.None)
{
return(-1);
}
var footerCount = dataGrid.GetUnBoundRowsCount(UnBoundRowsPosition.Bottom, true)
+ (dataGrid.FilterRowPosition == FilterRowPosition.Bottom ? 1 : 0);//, RowRegion.Footer);
if (dataGrid.AddNewRowPosition == AddNewRowPosition.FixedTop)
{
return(dataGrid.HeaderLineCount - 1);
}
else if (dataGrid.AddNewRowPosition == AddNewRowPosition.Top)
{
return(dataGrid.HeaderLineCount + (dataGrid.FilterRowPosition == FilterRowPosition.Top ? 1 : 0));
}
else
{
return(dataGrid.VisualContainer.RowCount - (dataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom) + 1 + footerCount));
}
}
/// <summary>
/// Resolves row index for the specified <see cref="Syncfusion.UI.Xaml.Grid.GridUnBoundRow"/>.
/// </summary>
/// <param name="DataGrid">
/// The SfDataGrid.
/// </param>
/// <param name="unBoundRow">
/// Specifies the UnBoundRow to get its corresponding row index.
/// </param>
/// <returns>
/// Returns the row index of the specified UnBoundRow.
/// </returns>
public static int ResolveUnboundRowToRowIndex(this SfDataGrid DataGrid, GridUnBoundRow unBoundRow)
{
if (!DataGrid.UnBoundRows.Any())
{
return(-1);
}
if (unBoundRow.Position == UnBoundRowsPosition.Top)
{
//var rows = DataGrid.UnBoundRows.Where(ubr => ubr.Position == unBoundRow.Position && ubr.ShowBelowSummary == unBoundRow.ShowBelowSummary);
if (!unBoundRow.ShowBelowSummary)
{
return(DataGrid.GetHeaderIndex() + unBoundRow.UnBoundRowIndex + 1);
}
else
{
return(DataGrid.HeaderLineCount + (DataGrid.AddNewRowPosition == AddNewRowPosition.Top ? 1 : 0) +
(DataGrid.FilterRowPosition == FilterRowPosition.Top ? 1 : 0) + unBoundRow.UnBoundRowIndex);
}
}
else
{
if (!unBoundRow.ShowBelowSummary)
{
return(DataGrid.VisualContainer.RowCount -
(DataGrid.GetTableSummaryCount(TableSummaryRowPosition.Bottom) +
(DataGrid.AddNewRowPosition == AddNewRowPosition.Bottom ? 1 : 0) +
(DataGrid.FilterRowPosition == FilterRowPosition.Bottom ? 1 : 0) +
DataGrid.GetUnBoundRowsCount(unBoundRow.Position))
+ unBoundRow.UnBoundRowIndex);
}
else
{
return(DataGrid.VisualContainer.RowCount - DataGrid.UnBoundRows.FooterUnboundRowCount + unBoundRow.UnBoundRowIndex);
}
}
}
/// <summary>
/// Gets the total number of table summary rows in SfDataGrid according to the specified <see cref="Syncfusion.UI.Xaml.Grid.TableSummaryRowPosition"/>.
/// </summary>
/// <param name="grid">
/// The SfDataGrid.
/// </param>
/// <param name="position">
/// Specifies the position of table summary row to get its count.
/// </param>
/// <returns>
/// Returns the number of table summary rows in SfDataGrid.
/// </returns>
public static int GetTableSummaryCount(this SfDataGrid grid, TableSummaryRowPosition position)
{
//WPF-20773 avoid Designer Issue
if (grid != null && grid.HasView && grid.TableSummaryRows != null)
{
return(position == TableSummaryRowPosition.Top ? (grid.View.TableSummaryRows.Where(row => (row is GridTableSummaryRow && (row as GridTableSummaryRow).Position == TableSummaryRowPosition.Top)).Count()) : (grid.View.TableSummaryRows.Count - grid.GetTableSummaryCount(TableSummaryRowPosition.Top)));
}
return(0);
}
