public static double DrawColumn(DrawingContext Context, string Caption, Pen LinePencil, Rect AvailableArea,
IEnumerable <IRecognizableElement> Items)
{
double UsedHeight = 0;
double MaxPicWidth = Display.ICOSIZE_LIT * 3;
double SubItemsIdentation = 0;
var ItemsFormat = new TextFormat("Arial", 9, Brushes.Black);
var SubitemsFormat = new TextFormat("Arial", 8, Brushes.Black);
var CaptionFormat = new TextFormat("Arial", 9, Brushes.Black, true, false, false, TextAlignment.Center);
var ItemsArea = new Rect(AvailableArea.X + 2, AvailableArea.Y + 2,
AvailableArea.Width - 4, AvailableArea.Height - 4);
if (ItemsArea.Width < MaxPicWidth)
{
return(0);
}
UsedHeight += 14; if (ItemsArea.Top + UsedHeight > ItemsArea.Bottom)
{
return(0);
}
Context.DrawGeometry(Brushes.White, LinePencil, new LineGeometry(new Point(AvailableArea.Left, ItemsArea.Top + UsedHeight),
new Point(AvailableArea.Right, ItemsArea.Top + UsedHeight)));
Context.DrawText(CaptionFormat.GenerateFormattedText(Caption, ItemsArea.Width, 14), ItemsArea.TopLeft);
foreach (var Item in Items)
{
var DisplayArea = ItemsArea;
var DisplayFormat = ItemsFormat;
if (Item is SimplePresentationElement) // Denotes "subitem" like Relationship's Link-Role Variants
{
DisplayArea = new Rect(ItemsArea.X + SubItemsIdentation, ItemsArea.Y,
ItemsArea.Width - SubItemsIdentation, ItemsArea.Height);
DisplayFormat = SubitemsFormat;
}
UsedHeight += 2;
if (UsedHeight + Display.ICOSIZE_LIT > DisplayArea.Height)
{
break;
}
if (Item.Pictogram != null)
{
Context.DrawImage(Item.Pictogram, new Rect(((DisplayArea.X + MaxPicWidth / 2.0) - Item.Pictogram.GetWidth() / 2.0).EnforceMinimum(DisplayArea.X),
DisplayArea.Y + UsedHeight,
Item.Pictogram.GetWidth().EnforceMaximum(MaxPicWidth),
Item.Pictogram.GetHeight().EnforceMaximum(Display.ICOSIZE_LIT)));
}
Context.DrawText(DisplayFormat.GenerateFormattedText(Item.Name /* Too long: + " -- " + Item.Summary */,
DisplayArea.Width - (MaxPicWidth + 2), Display.ICOSIZE_LIT),
new Point(DisplayArea.X + MaxPicWidth + 2, DisplayArea.Y + UsedHeight));
UsedHeight += Display.ICOSIZE_LIT + 2;
}
return(UsedHeight);
}