public override void Layout(GraphicsSettings gs, Size maximumSize)
{
DeleteChildren();
int bottom = Location.Y;
foreach (Section s in _headerSection.Children)
{
HeaderColumnSection hcs = s as HeaderColumnSection;
if (hcs != null)
{
CellSection cellSection = Host.SectionFactory.CreateCellSection(Host, hcs, Item);
Children.Add(cellSection);
//
// We position the cell aligned to its corresponding HeaderColumnSection. We nudge it to right here
// based on any difference between the column size and the headers columns actual size. The only time there
// will be a different currently is when we have multiple groups reserving initial space on the first column.
cellSection.Location = new Point(hcs.Location.X + hcs.Rectangle.Width - hcs.Column.Width, Location.Y);
cellSection.Layout(gs, new Size(hcs.Column.Width, maximumSize.Height));
bottom = Math.Max(bottom, cellSection.Rectangle.Bottom);
}
}
int newHeigt = MinimumHeight;
if (bottom - Rectangle.Top > MinimumHeight)
{
newHeigt = bottom - Rectangle.Top;
}
Size = new Size(HeaderSection.Rectangle.Width, newHeigt);
}
public CellSection CellSectionFromPoint(Point pt)
{
pt.X += GetAbsoluteScrollCoordinates().X;
pt.Y += GetAbsoluteScrollCoordinates().Y;
foreach (Section s in Children)
{
CellSection cs = s as CellSection;
if (cs != null)
{
Section sectionFromPoint = cs.SectionFromPoint(pt);
if (sectionFromPoint != null)
{
return(cs);
}
}
}
return(null);
}
public void SizeColumnsToFit( params Column[] columns )
{
using( Graphics grfx = Host.CreateGraphics() )
{
GraphicsSettings grfxSettings = new GraphicsSettings( grfx );
int[] columnWidths = new int[Columns.Count];
int position = 0;
HeaderColumnSection[] hcsSections = new HeaderColumnSection[columns.Length];
for( int iColumn = 0; iColumn < columns.Length; iColumn++ )
{
HeaderColumnSection hcs = Host.SectionFactory.CreateHeaderColumnSection( Host, HeaderColumnSection.DisplayMode.Customise, columns[iColumn] );
hcs.Layout( grfxSettings, new Size( int.MaxValue, int.MaxValue ) );
hcsSections[iColumn] = hcs;
}
Type[] lastColumnTypes = new Type[columns.Length];
CellSection[] columnCellSections = new CellSection[columns.Length];
//
// Pick the widest cell to be the width of the column.
foreach( object rowItem in ItemList.ToArray() )
{
for( int iColumn = 0; iColumn < columns.Length; iColumn++ )
{
Column column = columns[iColumn];
CellSection cs = columnCellSections[iColumn];
object columnItem = column.ColumnItemAccessor( rowItem );
Type lastColumnType = lastColumnTypes[iColumn] == null ? null : lastColumnTypes[iColumn].GetType();
if( lastColumnType == null || columnItem.GetType() != lastColumnType )
{
cs = columnCellSections[iColumn] = Host.SectionFactory.CreateCellSection( Host, hcsSections[iColumn], rowItem );
lastColumnTypes[iColumn] = columnItem.GetType();
}
cs.Item = rowItem;
Size size = cs.GetIdealSize( grfxSettings );
if( columnWidths[iColumn] < size.Width )
{
columnWidths[iColumn] = size.Width;
}
}
position++;
}
//
// Set columns widths...
for( int iColumn = 0; iColumn < columns.Length; iColumn++ )
{
columns[iColumn].Width = columnWidths[iColumn] == 0 ? hcsSections[iColumn].Size.Width : columnWidths[iColumn];
}
}
}
public CellEventArgs( CellSection cell )
{
Cell = cell;
}