public override Type GetCellType(GridViewColumn column)
{
GridViewIndentColumn viewIndentColumn = column as GridViewIndentColumn;
if (viewIndentColumn != null && viewIndentColumn.IndentLevel == -1)
{
return(typeof(GridGroupExpanderCellElement));
}
return(base.GetCellType(column));
}
private GridViewIndentColumn GetIndentColumn(int level)
{
for (int index = this.cachedIndentColumns.Count - 1; index >= 0; --index)
{
GridViewIndentColumn cachedIndentColumn = this.cachedIndentColumns[index];
if (cachedIndentColumn.IndentLevel == level)
{
this.cachedIndentColumns.RemoveAt(index);
this.indentColumns.Add(cachedIndentColumn);
return(cachedIndentColumn);
}
}
GridViewIndentColumn viewIndentColumn = new GridViewIndentColumn(this.ViewTemplate, level);
this.indentColumns.Add(viewIndentColumn);
return(viewIndentColumn);
}
public override Type GetCellType(GridViewColumn column)
{
GridViewGroupRowInfo rowInfo = (GridViewGroupRowInfo)this.RowInfo;
GridViewIndentColumn viewIndentColumn = column as GridViewIndentColumn;
if (viewIndentColumn != null)
{
if (rowInfo.Group.Level == viewIndentColumn.IndentLevel)
{
return(typeof(GridGroupExpanderCellElement));
}
if (rowInfo.Group.Level < viewIndentColumn.IndentLevel)
{
return((Type)null);
}
}
if (column == null)
{
return(typeof(GridGroupContentCellElement));
}
return(base.GetCellType(column));
}
public override bool IsCompatible(GridViewColumn data, object context)
{
GridViewIndentColumn viewIndentColumn = data as GridViewIndentColumn;
return(viewIndentColumn != null && viewIndentColumn.IndentLevel == -1);
}
