protected override void DropInColumnGroupsView(
ColumnGroupsViewDefinition view,
GridViewColumn column,
RadPosition dropPosition)
{
GridViewDataColumn gridViewDataColumn = column as GridViewDataColumn;
if (gridViewDataColumn != null)
{
if (this.ViewTemplate.AllowColumnReorder && this.GridViewGroupColumn.Group.Groups.Count == 0)
{
GridViewColumnGroupRow row = this.FindRow(view.ColumnGroups, (GridViewColumn)gridViewDataColumn);
if (this.GridViewGroupColumn.Group != null && this.GridViewGroupColumn.Group.Rows.Count == 0 && (dropPosition & RadPosition.Bottom) != RadPosition.None)
{
this.GridViewGroupColumn.Group.Rows.Add(new GridViewColumnGroupRow());
}
if (this.GridViewGroupColumn.Group != null && this.GridViewGroupColumn.Group.Rows.Count > 0)
{
if (row != null)
{
row.ColumnNames.Remove(gridViewDataColumn.Name);
if (row.ColumnNames.Count == 0)
{
this.FindGroup(view.ColumnGroups, row)?.Rows.Remove(row);
}
}
if ((dropPosition & RadPosition.Left) != RadPosition.None)
{
this.GridViewGroupColumn.Group.Rows[0].ColumnNames.Insert(0, gridViewDataColumn.Name);
}
else
{
this.GridViewGroupColumn.Group.Rows[0].ColumnNames.Add(gridViewDataColumn.Name);
}
}
}
if (!column.IsVisible && this.GridViewGroupColumn.Group.Groups.Count == 0)
{
column.IsVisible = true;
}
else
{
ColumnGroupRowLayout rowLayout = this.TableElement.ViewElement.RowLayout as ColumnGroupRowLayout;
rowLayout.InvalidateLayout();
rowLayout.InvalidateRenderColumns();
this.TableElement.ViewElement.UpdateRows(true);
}
}
else
{
if (!(column is GridViewGroupColumn))
{
return;
}
this.DropColumnGroup(view, ((GridViewGroupColumn)column).Group, dropPosition);
}
}
public void Initialize(
GridViewColumnGroup group,
GridViewColumnGroupRow row,
int rowIndex,
Rectangle bounds)
{
this.group = group;
this.row = row;
this.rowIndex = rowIndex;
this.Bounds = (RectangleF)bounds;
}
private bool IsLastColumnInRow(GridViewColumnGroupRow row, GridViewColumn column)
{
int num1 = 0;
int num2 = -1;
foreach (string columnName in (Collection <string>)row.ColumnNames)
{
GridViewColumn column1 = (GridViewColumn)this.template.Columns[columnName];
if (this.owner.ColumnIsVisible(column1) || this.owner.IgnoreColumnVisibility)
{
if (column1 == column)
{
num2 = num1;
}
++num1;
}
}
return(num2 == num1 - 1);
}
private SizeF ArrangeGroupRow(
GridViewColumnGroupRow row,
ColumnGroupLayoutNode node,
PointF location,
float availableWidth)
{
float num1 = 0.0f;
foreach (string columnName in (Collection <string>)row.ColumnNames)
{
GridViewColumn column = (GridViewColumn)this.template.Columns[columnName];
if (this.owner.ColumnIsVisible(column) || this.owner.IgnoreColumnVisibility)
{
ColumnGroupColumnData columnGroupColumnData = node.ColumnData[column];
num1 += columnGroupColumnData.OriginalWidth;
}
}
float num2 = 0.0f;
float num3 = (float)row.MinHeight;
foreach (string columnName in (Collection <string>)row.ColumnNames)
{
GridViewColumn column = (GridViewColumn)this.template.Columns[columnName];
if (this.owner.ColumnIsVisible(column) || this.owner.IgnoreColumnVisibility)
{
ColumnGroupColumnData columnGroupColumnData = node.ColumnData[column];
if (this.resizedColumn != column)
{
columnGroupColumnData.Bounds.Width = columnGroupColumnData.GetConstrainedWidth(columnGroupColumnData.OriginalWidth * availableWidth / num1);
}
columnGroupColumnData.Bounds.Location = new PointF(location.X + num2, location.Y);
columnGroupColumnData.Bounds.Height = (float)column.RowSpan;
num2 += columnGroupColumnData.Bounds.Width;
num3 = Math.Max(num3, columnGroupColumnData.Bounds.Height);
num1 -= columnGroupColumnData.OriginalWidth;
availableWidth -= columnGroupColumnData.Bounds.Width;
if (column is GridViewDataColumn)
{
this.SetColumnWidthInternal(column, (int)columnGroupColumnData.Bounds.Width);
}
}
}
float width1 = 0.0f;
foreach (string columnName in (Collection <string>)row.ColumnNames)
{
GridViewColumn column = (GridViewColumn)this.template.Columns[columnName];
if (this.owner.ColumnIsVisible(column) || this.owner.IgnoreColumnVisibility)
{
ColumnGroupColumnData columnGroupColumnData = node.ColumnData[column];
if (this.resizedColumn != column)
{
float width2 = columnGroupColumnData.Bounds.Width;
columnGroupColumnData.Bounds.Width = columnGroupColumnData.GetConstrainedWidth(columnGroupColumnData.Bounds.Width + availableWidth);
availableWidth -= columnGroupColumnData.Bounds.Width - width2;
}
columnGroupColumnData.Bounds.Location = new PointF(location.X + width1, location.Y);
width1 += columnGroupColumnData.Bounds.Width;
if (column is GridViewDataColumn)
{
column.SuspendPropertyNotifications();
this.SetColumnWidthInternal(column, (int)columnGroupColumnData.Bounds.Width);
column.ResumePropertyNotifications();
}
}
}
return(new SizeF(width1, num3));
}