static int ChooseSeeds(IList <RectangleNode <T, P> > nodes, ref IRectangle <P> b0, ref int seed0)
{
double area = b0.Add(nodes[seed0].Rectangle).Area;
for (int i = 2; i < nodes.Count; i++)
{
double area0 = b0.Add(nodes[i].Rectangle).Area;
if (area0 > area)
{
seed0 = i;
area = area0;
}
}
//Got the first seed seed0
//Now looking for a seed for the second group
int seed1 = 0; //the compiler forces me to init it
//init seed1
for (int i = 0; i < nodes.Count; i++)
{
if (i != seed0)
{
seed1 = i;
break;
}
}
area = nodes[seed0].Rectangle.Add(nodes[seed1].Rectangle).Area;
//Now try to improve the second seed
for (int i = 0; i < nodes.Count; i++)
{
if (i == seed0)
{
continue;
}
double area1 = nodes[seed0].Rectangle.Add(nodes[i].Rectangle).Area;
if (area1 > area)
{
seed1 = i;
area = area1;
}
}
return(seed1);
}
static void DivideNodes(IList <RectangleNode <T, P> > nodes, int seed0, int seed1, List <RectangleNode <T, P> > gr0, List <RectangleNode <T, P> > gr1,
ref IRectangle <P> box0, ref IRectangle <P> box1, int groupSplitThreshold)
{
for (int i = 0; i < nodes.Count; i++)
{
if (i == seed0 || i == seed1)
{
continue;
}
// ReSharper disable InconsistentNaming
var box0_ = box0.Add(nodes[i].Rectangle);
double delta0 = box0_.Area - box0.Area;
var box1_ = box1.Add(nodes[i].Rectangle);
double delta1 = box1_.Area - box1.Area;
// ReSharper restore InconsistentNaming
//keep the tree roughly balanced
if (gr0.Count * groupSplitThreshold < gr1.Count)
{
gr0.Add(nodes[i]);
box0 = box0_;
}
else if (gr1.Count * groupSplitThreshold < gr0.Count)
{
gr1.Add(nodes[i]);
box1 = box1_;
}
else if (delta0 < delta1)
{
gr0.Add(nodes[i]);
box0 = box0_;
}
else if (delta1 < delta0)
{
gr1.Add(nodes[i]);
box1 = box1_;
}
else if (box0.Area < box1.Area)
{
gr0.Add(nodes[i]);
box0 = box0_;
}
else
{
gr1.Add(nodes[i]);
box1 = box1_;
}
}
}
private void UpdateIcon()
{
//special treatment for root
if (FBackground.Parent is IDot && !FViewer.ShowRoot)
{
return;
}
FIcon.Clear();
FIcon.Brush = null;
FIcon.Position = new PointF(3, 3);
FIcon.Visible = false;
if (FDecoratable != null)
{
if (FDecoratable.Icon > NodeIcon.None)
{
FIcon.Visible = true;
if (FDecoratable.Icon == NodeIcon.GUI || FDecoratable.Icon == NodeIcon.GUICode || FDecoratable.Icon == NodeIcon.GUIPatch)
{
FIcon.Pen = FTextColor;
FIcon.Size = new SizeF(16, 12);
}
if (FDecoratable.Icon == NodeIcon.Patch || FDecoratable.Icon == NodeIcon.GUIPatch)
{
var n = FCanvas.CreateRectangle(null);
n.Pen = FTextColor;
n.Size = new SizeF(8, 2);
n.Position = new PointF(3, 2);
FIcon.Add(n);
n = FCanvas.CreateRectangle(null);
n.Pen = FTextColor;
n.Size = new SizeF(8, 2);
n.Position = new PointF(6, 5);
FIcon.Add(n);
n = FCanvas.CreateRectangle(null);
n.Pen = FTextColor;
n.Size = new SizeF(8, 2);
n.Position = new PointF(3, 8);
FIcon.Add(n);
}
if (FDecoratable.Icon == NodeIcon.Code || FDecoratable.Icon == NodeIcon.GUICode)
{
IPolygon line;
var y = 3;
for (int i = 0; i < 4; i++)
{
line = FCanvas.CreatePoly(null);
line.IsClosed = false;
line.Pen = FTextColor;
line.Brush = null;
line.Points.Add(new PointF(3, y));
if (i == 0)
{
line.Points.Add(new PointF(7, y));
}
else
{
line.Points.Add(new PointF(13, y));
}
FIcon.Add(line);
y += 2;
}
}
if (FDecoratable.Icon == NodeIcon.Comment)
{
IPolygon line;
line = FCanvas.CreatePoly(null);
line.IsClosed = false;
line.Pen = FTextColor;
line.Brush = null;
line.Points.Add(new PointF(5, 12));
line.Points.Add(new PointF(7, 0));
FIcon.Add(line);
line = FCanvas.CreatePoly(null);
line.IsClosed = false;
line.Pen = FTextColor;
line.Brush = null;
line.Points.Add(new PointF(7, 12));
line.Points.Add(new PointF(9, 0));
FIcon.Add(line);
}
if (FDecoratable.Icon == NodeIcon.IONode)
{
IPolygon line;
line = FCanvas.CreatePoly(null);
line.IsClosed = false;
line.Pen = FTextColor;
line.Brush = null;
line.Points.Add(new PointF(2, 2));
line.Points.Add(new PointF(2, 10));
FIcon.Add(line);
ICircle circle;
circle = FCanvas.CreateCircle(null);
circle.PositionMode = PositionMode.Center;
circle.Pen = FTextColor;
circle.Brush = null;
circle.Position = new PointF(8, 6);
circle.Radius = 4;
FIcon.Add(circle);
}
}
}
}
public MapperHierarchyNode(ModelMapper mapper, ICanvas canvas, IGraphElement parent, HierarchyViewer viewer)
: base()
{
Mapper = mapper;
FCanvas = canvas;
FViewer = viewer;
MouseClick += FViewer.MouseClickHandler;
MouseDoubleClick += FViewer.MouseDoubleClickHandler;
Tag = mapper.Model;
//graphelements
FBackground = canvas.CreateRectangle(this);
FPoly = canvas.CreatePoly(this);
FText = canvas.CreateText(null, "");
FIcon = FCanvas.CreateRectangle(null);
parent.Add(FBackground);
FBackground.Add(FPoly);
FBackground.Add(FText);
FBackground.Add(FIcon);
//compute level of depth
IGraphElement p = FBackground;
while (p.Parent != null)
{
FDepth++;
p = p.Parent;
}
FDepth -= 1;
//init static properties via Mapper
if (Mapper.CanMap <ISelectable>())
{
FSelectable = Mapper.Map <ISelectable>();
FSelectable.SelectionChanged += selectable_SelectionChanged;
Selected = FSelectable.Selected;
}
if (Mapper.CanMap <IDecoratable>())
{
FDecoratable = Mapper.Map <IDecoratable>();
FDecoratable.DecorationChanged += decorated_DecorationChanged;
}
if (Mapper.CanMap <ILinkSource>())
{
FLinkSource = Mapper.Map <ILinkSource>();
FLinkSourceRectangle = FCanvas.CreateRectangle(null);
FBackground.Add(FLinkSourceRectangle);
FLinkOffset = FTextOffset;
}
if (Mapper.CanMap <ILinkSink>())
{
FLinkSink = Mapper.Map <ILinkSink>();
FLinkSinkRectangle = FCanvas.CreateRectangle(null);
FBackground.Add(FLinkSinkRectangle);
}
if (Mapper.CanMap <INamed>())
{
FNamed = Mapper.Map <INamed>();
FNamed.Renamed += named_Renamed;
SetCaption(FNamed.Name);
}
if (Mapper.CanMap <IParent>())
{
var node = Mapper.Map <IParent>();
if (node.Childs != null)
{
// Keep Nodes and items in sync
FSynchronizer = FSubTree.SyncWith(node.Childs, CreateChildNode);
FSynchronizer.Synced += synchronizer_Synced;
}
}
//init dynamic properties via Mapper
UpdateColors();
UpdateIcon();
UpdateLinkSink();
UpdateLinkSource();
}
