private void DrawWeight(Graphics g, AEdgeModel edge, vec2 min, vec2 max)
{
Matrix matrix = new Matrix();
StringFormat stringFormat = new StringFormat();
matrix.Translate(edge.WeightPos.x, edge.WeightPos.y);
matrix.Rotate(edge.WeightAngle);
if (edge.WeightAngle > 90f)
{
matrix.Multiply(mirrorY);
matrix.Multiply(mirrorX);
}
g.MultiplyTransform(matrix);
string res = edge.AddMark + edge.StringRepresent;
g.DrawString(res, font, brush, 0, 0, stringFormat);
matrix.Reset();
if (edge.WeightAngle > 90f)
{
matrix.Multiply(mirrorX);
matrix.Multiply(mirrorY);
}
matrix.Rotate(-edge.WeightAngle);
matrix.Translate(-edge.WeightPos.x, -edge.WeightPos.y);
g.MultiplyTransform(matrix);
}
public GraphModel RemoveEdgeModel(AEdgeModel edgeModel, bool raise = true)
{
int weight = 0;
if (edgeModel.Weight != null)
{
weight = int.Parse(edgeModel.Weight);
}
var source = new TVertex();
var stock = new TVertex();
source.SetFromString(edgeModel.Source.VertexStr);
stock.SetFromString(edgeModel.Stock.VertexStr);
var res = Graph.RemoveEdge(source, stock);
string key = edgeModel.Key;
if (res == ReturnValue.Succsess)
{
_models.Remove(key);
if (raise)
{
FieldUpdate?.Invoke(this, new ModelFieldUpdateArgs(FieldEvents.RemoveModel));
}
return(edgeModel);
}
else
{
throw new Exception(res.ToString());
}
}
public void AddEdgeModel(AEdgeModel edgeModel, bool raise = true)
{
var weight = 0;
if (edgeModel.Weight != null && edgeModel.Weight != "")
{
weight = int.Parse(edgeModel.Weight);
}
var source = new TVertex();
var stock = new TVertex();
source.SetFromString(edgeModel.Source.VertexStr);
stock.SetFromString(edgeModel.Stock.VertexStr);
var res = Graph.AddEdge(source, stock, weight);
if (res != ReturnValue.Succsess)
{
throw new Exception(res.ToString());
}
else
{
_models.Add(edgeModel.Key, edgeModel);
if (raise)
{
FieldUpdate?.Invoke(this, null);
}
}
}
public void MoveVertexModel(string key, vec2 newPos, bool raise = true)
{
GraphModel model;
if (_models.ContainsKey(key) && (model = _models[key]) is AVertexModel)
{
((AVertexModel)model).UpdatePos(newPos);
_models.Values.ToList().ForEach(m =>
{
AEdgeModel edge = m as AEdgeModel;
if (edge != null && (edge.Source.Key == key || edge.Stock.Key == key))
{
edge.RefreshPos();
}
});
if (raise)
{
FieldUpdate?.Invoke(this, null);
}
}
}
