private void AddRelationship()
{
if (CircleDiagramModel == null || !CircleDiagramModel.IsCorrect())
{
return;
}
var relationshipParameters = new RelationshipParameters
{
Nodes = CircleDiagramModel.Nodes,
Relationships = CircleDiagramModel.Relationships
};
if (relationshipParameters.ShowDialog() != DialogResult.OK)
{
return;
}
var newRelationship = new CircleDiagramRelationship(
relationshipParameters.BeginNode,
relationshipParameters.EndNode);
if (CircleDiagramModel.AddRelationship(newRelationship))
{
lvRelationships.AddCircleDiagramRelationship(newRelationship);
}
RedrawDiagramOnControl();
}
private static XmlRelationship GetXmlRelationship(CircleDiagramRelationship relationship)
{
if (relationship == null)
{
return(null);
}
return(new XmlRelationship(relationship.Name, relationship.BeginNode.Name, relationship.EndNode.Name));
}
public void AddCircleDiagramRelationship(CircleDiagramRelationship relationship)
{
if (relationship == null)
{
return;
}
var relationshipText = string.Format("{0} -> {1}",
relationship.BeginNode != null
? string.Format("{0} - {1}",
relationship.BeginNode.StartCircleNumber,
relationship.BeginNode.Text.Trim().Replace("\r\n", " "))
: string.Empty,
relationship.EndNode != null
? string.Format("{0} - {1}",
relationship.EndNode.StartCircleNumber,
relationship.EndNode.Text.Trim().Replace("\r\n", " "))
: string.Empty);
var lvItem = new ListViewItem {
Text = relationshipText, Name = relationship.Name
};
Items.Add(lvItem);
}
private void DrawRelationship(CircleDiagramRelationship relationship, Graphics graphics)
{
if (CircleDiagramModel == null || !CircleDiagramModel.IsCorrect())
{
return;
}
if (relationship == null)
{
return;
}
if (graphics == null)
{
return;
}
//Связи с такой же стартовой вершиной
var relationshipsWithSameBeginNode =
GetOrderedOutRelationshipsForNode(relationship.BeginNode);
if (relationshipsWithSameBeginNode == null)
{
return;
}
var beginNodeIndex = relationshipsWithSameBeginNode.IndexOf(relationship);
if (beginNodeIndex < 0)
{
return;
}
//Связи с такой же конечной вершиной
var relationshipsWithSameEndNode =
GetOrderedInRelationshipsForNode(relationship.EndNode);
if (relationshipsWithSameEndNode == null)
{
return;
}
var endNodeIndex = relationshipsWithSameEndNode.IndexOf(relationship);
if (endNodeIndex < 0)
{
return;
}
var angleForBeginVertex = relationship.BeginNode.StartAngle
+ (relationship.BeginNode.SweepAngle / (relationshipsWithSameBeginNode.Count + 1))
* (beginNodeIndex + 1);
var angleForEndVertex = relationship.EndNode.StartCircleNumber != 0
? relationship.EndNode.StartAngle
+ (relationship.EndNode.SweepAngle / (relationshipsWithSameEndNode.Count + 1))
* (endNodeIndex + 1)
: angleForBeginVertex;
float beginNodeRadius1, beginNodeRadius2, endNodeRadius1, endNodeRadius2;
GetRadiusesOfNode(relationship.BeginNode, out beginNodeRadius1, out beginNodeRadius2);
GetRadiusesOfNode(relationship.EndNode, out endNodeRadius1, out endNodeRadius2);
var ringThickness = GetRingThickness();
var beginFunctionalRadius =
beginNodeRadius1 <= beginNodeRadius2
? beginNodeRadius1
: beginNodeRadius2;
var endFunctionalRadius =
endNodeRadius1 >= endNodeRadius2
? endNodeRadius1
: endNodeRadius2;
float beginAngle, endAngle;
if (angleForBeginVertex <= angleForEndVertex)
{
beginAngle = angleForBeginVertex;
endAngle = angleForEndVertex;
}
else
{
beginAngle = angleForEndVertex;
endAngle = angleForBeginVertex;
}
var actualPen = (Pen)CircleDiagramModel.RelationshipPen.Clone();
actualPen.Width = actualPen.Width * PercentageScale;
var deltaAngle = (float)(Math.Abs(beginAngle - endAngle) * 0.15);
var vertexes = new List <PointF>();
vertexes.Add(GraphicsUtils.GetPointOnCircle(beginFunctionalRadius,
new PointF(0, 0), angleForBeginVertex));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.75f * ringThickness,
new PointF(0, 0), angleForBeginVertex));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.5f * ringThickness,
new PointF(0, 0), angleForBeginVertex));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.5f * ringThickness,
new PointF(0, 0), angleForBeginVertex + deltaAngle));
for (var curAngle = angleForBeginVertex + deltaAngle + 1;
curAngle < angleForEndVertex - deltaAngle; curAngle++)
{
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.5f * ringThickness,
new PointF(0, 0), curAngle));
}
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.5f * ringThickness,
new PointF(0, 0), angleForEndVertex - deltaAngle));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.5f * ringThickness,
new PointF(0, 0), angleForEndVertex));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius + 0.25f * ringThickness,
new PointF(0, 0), angleForEndVertex));
vertexes.Add(GraphicsUtils.GetPointOnCircle(endFunctionalRadius,
new PointF(0, 0), angleForEndVertex));
if (vertexes.Count < 8)
{
return;
}
graphics.DrawLine(actualPen, vertexes[0], vertexes[1]);
graphics.DrawBezier(actualPen, vertexes[1], vertexes[2], vertexes[2], vertexes[3]);
graphics.DrawCurve(actualPen, vertexes.GetRange(3, vertexes.Count - 6).ToArray());
graphics.DrawBezier(actualPen, vertexes[vertexes.Count - 4],
vertexes[vertexes.Count - 3], vertexes[vertexes.Count - 3],
vertexes[vertexes.Count - 2]);
graphics.DrawLine(actualPen, vertexes[vertexes.Count - 2], vertexes[vertexes.Count - 1]);
graphics.DrawArrow(vertexes[vertexes.Count - 1], 50,
360 - angleForEndVertex, 0.30f * ringThickness, new SolidBrush(actualPen.Color));
}
