private void ScrollColumns(GridTableElement tableElement, Point location)
{
GridTableHeaderRowElement rowElement = tableElement.GetRowElement((GridViewRowInfo)tableElement.ViewInfo.TableHeaderRow) as GridTableHeaderRowElement;
if (rowElement == null)
{
return;
}
Rectangle boundingRectangle1 = rowElement.ControlBoundingRectangle;
Rectangle boundingRectangle2 = rowElement.ScrollableColumns.ControlBoundingRectangle;
int num = 0;
if (location.X > boundingRectangle2.Right)
{
num = location.X - boundingRectangle2.Right;
}
else if (location.X < boundingRectangle2.X)
{
num = location.X - boundingRectangle2.X;
}
RadScrollBarElement hscrollBar = tableElement.HScrollBar;
if (tableElement.RightToLeft)
{
num *= -1;
}
if (num == 0 || hscrollBar.Visibility != ElementVisibility.Visible)
{
return;
}
hscrollBar.Value = this.ClampValue(hscrollBar.Value + num, hscrollBar.Minimum, hscrollBar.Maximum - hscrollBar.LargeChange + 1);
}
private GridTableHeaderRowElement GetHeaderRowElement()
{
foreach (GridRowElement visualRow in (VisualRowsCollection)this.TableElement.VisualRows)
{
GridTableHeaderRowElement headerRowElement = visualRow as GridTableHeaderRowElement;
if (headerRowElement != null)
{
return(headerRowElement);
}
}
return((GridTableHeaderRowElement)null);
}
private void BestFitGroupColumn(
GridViewGroupColumn column,
bool bestFitChildColumns,
BestFitColumnMode?mode)
{
GridTableHeaderRowElement headerRowElement = this.GetHeaderRowElement();
IVirtualizedElementProvider <GridViewColumn> elementProvider = this.tableElement.ColumnScroller.ElementProvider;
ColumnGroupRowLayout rowLayout = this.tableElement.ViewElement.RowLayout as ColumnGroupRowLayout;
if (rowLayout == null || headerRowElement == null)
{
return;
}
GridColumnGroupCellElement element = elementProvider.GetElement((GridViewColumn)column, (object)headerRowElement) as GridColumnGroupCellElement;
if (element == null || !element.CanBestFit(column.AutoSizeMode))
{
return;
}
float num = this.MeasureCell((GridRowElement)headerRowElement, (GridViewColumn)column, element);
this.Detach(elementProvider, (GridCellElement)element);
ColumnGroupsCellArrangeInfo columnData = rowLayout.GetColumnData((GridViewColumn)column);
if ((double)columnData.Bounds.Width < (double)num)
{
rowLayout.StartColumnResize((GridViewColumn)column);
rowLayout.ResizeColumn((int)((double)num - (double)columnData.Bounds.Width));
rowLayout.InvalidateLayout();
this.TableElement.ViewElement.InvalidateMeasure(true);
this.TableElement.ViewElement.UpdateLayout();
rowLayout.EndColumnResize();
}
if (!bestFitChildColumns)
{
return;
}
foreach (GridViewColumn dataColumn in this.GetDataColumns(column.Group))
{
this.BestFitColumnCore(dataColumn, mode.HasValue ? mode.Value : column.AutoSizeMode);
}
}
private bool FindCellToResize(Point pt)
{
GridTableHeaderRowElement rowAtPoint = this.RootGridBehavior.RowAtPoint as GridTableHeaderRowElement;
if (rowAtPoint == null || pt.X > rowAtPoint.ControlBoundingRectangle.Right)
{
return(false);
}
for (int index = 0; index < rowAtPoint.VisualCells.Count; ++index)
{
GridCellElement visualCell = rowAtPoint.VisualCells[index];
GridHeaderCellElement headerCellElement = visualCell as GridHeaderCellElement;
if (headerCellElement != null && headerCellElement.ColumnInfo != null && (headerCellElement.ColumnInfo.AllowResize && headerCellElement.ColumnInfo.OwnerTemplate.AllowColumnResize))
{
if (headerCellElement.ColumnInfo.MaxWidth == 0 || headerCellElement.ColumnInfo.MaxWidth != headerCellElement.ColumnInfo.MinWidth)
{
int delta1 = 0;
int delta2 = 0;
bool flag = this.IsMouseInCellBounds(pt, visualCell, out delta1);
GridCellElement elementAtPoint = headerCellElement.ElementTree.GetElementAtPoint(pt) as GridCellElement;
if (flag && elementAtPoint != null && (this.IsMouseInCellBounds(pt, elementAtPoint, out delta2) && delta2 < delta1))
{
this.SetResizeCursor(elementAtPoint.ColumnInfo);
this.rowLayout = rowAtPoint.TableElement.ViewElement.RowLayout;
return(true);
}
if (flag)
{
this.SetResizeCursor(headerCellElement.ColumnInfo);
this.rowLayout = rowAtPoint.TableElement.ViewElement.RowLayout;
return(true);
}
}
}
}
return(false);
}
