/// <summary>
/// Add a new anchor element to attach an arrow start or end point to in the MessageArrowStack.
/// </summary>
/// <returns> The new UIElement that was added to the MessageArrowStack</returns>
public ArrowAnchor AddArrowAnchorElement(int width, int height)
{
// A UIElement to attach a messsage arrow to.
var arrowAnchorElement = new ArrowAnchor(width, height);
// Add the arrowAnchor to the MessageArrow StackPanel
Children.Add(arrowAnchorElement);
return(arrowAnchorElement);
}
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
if (row == -1)
{
return(table.getAnchor(anchor));
}
if (anchor == ArrowAnchor.LeftCenter ||
anchor == ArrowAnchor.TopCenter)
{
relativePosition.X = 0;
}
else
{
relativePosition.X = 100;
}
relativePosition.Y = 50;
return(getEndPoint());
}
internal PointF getAnchor(ArrowAnchor anchor, bool useRotation)
{
PointF center = getCenter();
PointF intrs = center;
// find intersection with node outline
float width = Math.Abs(rect.Width);
float height = Math.Abs(rect.Height);
switch(anchor)
{
case ArrowAnchor.LeftCenter:
intrs.X -= width + 10;
break;
case ArrowAnchor.TopCenter:
intrs.Y -= height + 10;
break;
case ArrowAnchor.RightCenter:
intrs.X += width + 10;
break;
case ArrowAnchor.BottomCenter:
intrs.Y += height + 10;
break;
}
if (rotation() != 0 && useRotation)
intrs = Utilities.rotatePointAt(intrs, center, rotation());
return getIntersection(intrs, center);
}
internal PointF getAnchor(ArrowAnchor anchor)
{
return getAnchor(anchor, true);
}
public virtual void loadFrom(BinaryReader reader, PersistContext ctx)
{
backColor = ctx.loadColor();
behavior = (BehaviorType)reader.ReadInt32();
arrowHead = (ArrowHead)reader.ReadInt32();
arrowBase = (ArrowHead)reader.ReadInt32();
arrowInterm = (ArrowHead)reader.ReadInt32();
arrowHeadSize = (float)reader.ReadDouble();
arrowBaseSize = (float)reader.ReadDouble();
arrowIntermSize = (float)reader.ReadDouble();
shadowsStyle = (ShadowsStyle)reader.ReadInt32();
boxFillColor = ctx.loadColor();
arrowFillColor = ctx.loadColor();
boxFrameColor = ctx.loadColor();
arrowColor = ctx.loadColor();
alignToGrid = reader.ReadBoolean();
showGrid = reader.ReadBoolean();
gridColor = ctx.loadColor();
gridSize = (float)reader.ReadDouble();
boxStyle = (BoxStyle)reader.ReadInt32();
shadowColor = ctx.loadColor();
imagePos = (ImageAlign)reader.ReadInt32();
textColor = ctx.loadColor();
activeMnpColor = ctx.loadColor();
selMnpColor = ctx.loadColor();
disabledMnpColor = ctx.loadColor();
arrowStyle = (ArrowStyle)reader.ReadInt32();
arrowSegments = reader.ReadInt16();
scrollX = (float)reader.ReadDouble();
scrollY = (float)reader.ReadDouble();
// zoomFactor was a short, now it is a float
if (ctx.FileVersion < 19)
zoomFactor = reader.ReadInt16();
else
zoomFactor = reader.ReadSingle();
penDashStyle = (DashStyle)reader.ReadInt32();
penWidth = (float)reader.ReadDouble();
int c = reader.ReadInt32();
defPolyShape = reader.ReadBytes(c);
docExtents = ctx.loadRectF();
shadowOffsetX = (float)reader.ReadDouble();
shadowOffsetY = (float)reader.ReadDouble();
tableFillColor = ctx.loadColor();
tableFrameColor = ctx.loadColor();
tableRowsCount = reader.ReadInt32();
tableColumnsCount = reader.ReadInt32();
tableColWidth = (float)reader.ReadDouble();
tableRowHeight = (float)reader.ReadDouble();
tableCaptionHeight = (float)reader.ReadDouble();
tableCaption = reader.ReadString();
arrowCascadeOrientation = (Orientation)reader.ReadInt32();
tableCellBorders = (CellFrameStyle)reader.ReadInt32();
boxIncmAnchor = (ArrowAnchor)reader.ReadInt32();
boxOutgAnchor = (ArrowAnchor)reader.ReadInt32();
boxesExpandable = reader.ReadBoolean();
tablesScrollable = reader.ReadBoolean();
}
internal abstract PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation);
internal void adjustEnds(ArrowAnchor orgnAnchor, ArrowAnchor destAnchor)
{
points[0] = orgnLink.getAnchoredPt(orgnAnchor, false);
points[points.Count-1] = destLink.getAnchoredPt(destAnchor, false);
orgnLink.saveEndRelative();
destLink.saveEndRelative();
updateArrowHeads();
}
internal abstract PointF getAnchoredPt(ArrowAnchor anchor);
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
return host.getAnchor(anchor);
}
internal override PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation)
{
return(point);
}
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
return(point);
}
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
if (row == -1)
return table.getAnchor(anchor);
if (anchor == ArrowAnchor.LeftCenter ||
anchor == ArrowAnchor.TopCenter)
relativePosition.X = 0;
else
relativePosition.X = 100;
relativePosition.Y = 50;
return getEndPoint();
}
internal override PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation)
{
return point;
}
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
return point;
}
internal override PointF getAnchoredPt(ArrowAnchor anchor)
{
return(host.getAnchor(anchor));
}
internal override PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation)
{
return(host.getAnchor(anchor, useRotation));
}
internal override PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation)
{
return host.getAnchor(anchor, useRotation);
}
internal abstract PointF getAnchoredPt(ArrowAnchor anchor, bool useRotation);
internal abstract PointF getAnchoredPt(ArrowAnchor anchor);
