public void Run(Diagram diagram, Graphics g, DiagramPainter dp, ReferenceStyle style)
{
FillFromDiagram(diagram);
foreach (Table tbl in tables.Values)
{
tbl.SetReferencePositions();
}
foreach (Reference r in refs.Values)
{
r.Draw(g, dp, style);
}
}
public void Draw(Graphics g, DiagramPainter dp, ReferenceStyle style)
{
Pen pen = dp.GetPen(style.LineColor, style.LineWidth);
if (style.LineWay == LineWayType.Rectangular)
{
if (Vector2D.AngleBetween(StartVec, EndVec) < 0.1) // asi to bude rovnobezne
{
/*
* Start beglev
*
* m1 m2
*
* endlev End
*/
Point2D beglev = new Line2D(Start, StartVec.NormalVector).ComPoint(new Line2D(End, EndVec)) ?? new Point2D();
Point2D endlev = new Line2D(End, EndVec.NormalVector).ComPoint(new Line2D(Start, StartVec)) ?? new Point2D();
Point2D m1 = Start + (endlev - Start) / 2;
Point2D m2 = beglev + (End - beglev) / 2;
g.DrawLine(pen, (Point)Start, (Point)m1);
g.DrawLine(pen, (Point)m1, (Point)m2);
g.DrawLine(pen, (Point)m2, (Point)End);
ReferencePainter.DrawArrow(dp, g, (Point)m2, (Point)End, style.Arrow);
}
else
{
/*
* Start
*
*
* m End
*/
Point2D m = new Line2D(Start, StartVec).ComPoint(new Line2D(End, EndVec)) ?? new Point2D();
g.DrawLine(pen, (Point)Start, (Point)m);
g.DrawLine(pen, (Point)m, (Point)End);
ReferencePainter.DrawArrow(dp, g, (Point)m, (Point)End, style.Arrow);
}
}
if (style.LineWay == LineWayType.Direct)
{
g.DrawLine(pen, Start, End);
ReferencePainter.DrawArrow(dp, g, (Point)Start, (Point)End, style.Arrow);
}
}
private static void DrawPolygonalFk(Graphics g, DiagramPainter dp, DiagramTableItem fromTable, DiagramTableItem toTable, int srccolindex, int dstcolindex, ReferenceStyle style)
{
Pen pen = dp.GetPen(style.LineColor, style.LineWidth);
int extwi = style.PolygonalHorDistance;
var possibilities = new List <_Tmp>();
possibilities.Add(new _Tmp {
xsrc = fromTable.Left, dirsrc = -1, xdst = toTable.Left, dirdst = -1
});
possibilities.Add(new _Tmp {
xsrc = fromTable.Left, dirsrc = -1, xdst = toTable.Right, dirdst = 1
});
possibilities.Add(new _Tmp {
xsrc = fromTable.Right, dirsrc = 1, xdst = toTable.Left, dirdst = -1
});
possibilities.Add(new _Tmp {
xsrc = fromTable.Right, dirsrc = 1, xdst = toTable.Right, dirdst = 1
});
_Tmp minpos = possibilities.MinKey(p => Math.Abs(p.xsrc - p.xdst));
Point src = new Point(minpos.xsrc, fromTable.Y + fromTable.GetColumnJoinY(srccolindex));
Point dst = new Point(minpos.xdst, toTable.Y + toTable.GetColumnJoinY(dstcolindex));
g.DrawLine(pen, src.X, src.Y, src.X + extwi * minpos.dirsrc, src.Y);
g.DrawLine(pen, src.X + extwi * minpos.dirsrc, src.Y, dst.X + extwi * minpos.dirdst, dst.Y);
g.DrawLine(pen, dst.X + extwi * minpos.dirdst, dst.Y, dst.X, dst.Y);
DrawArrow(dp, g, dst.X + extwi * minpos.dirdst, dst.Y, dst.X, dst.Y, style.Arrow);
}
public static void DrawReferences(Diagram diagram, Graphics g, DiagramPainter dp, ReferenceStyle style)
{
var oldmode = g.SmoothingMode;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
if (style.LineWay == LineWayType.Rectangular || style.LineWay == LineWayType.Direct)
{
DrawPointReferences(diagram, g, dp, style);
}
else if (style.LineWay == LineWayType.Polygonal)
{
foreach (DiagramTableItem fromTable in diagram.Tables)
{
foreach (ForeignKey fk in fromTable.Table.GetConstraints <ForeignKey>())
{
DiagramTableItem toTable = diagram.FindTable(fk.PrimaryKeyTable);
if (toTable != null)
{
int srccolindex = fromTable.Table.Columns.GetIndex(fk.Columns[0].ColumnName);
int dstcolindex = toTable.Table.Columns.GetIndex(fk.PrimaryKeyColumns[0].ColumnName);
if (srccolindex < 0 || dstcolindex < 0)
{
continue; // broken foreign key
}
DrawPolygonalFk(g, dp, fromTable, toTable, srccolindex, dstcolindex, style);
}
}
}
}
g.SmoothingMode = oldmode;
}
private static void DrawPointReferences(Diagram diagram, Graphics g, DiagramPainter dp, ReferenceStyle style)
{
RectReferencePainter painter = new RectReferencePainter();
painter.Run(diagram, g, dp, style);
}