public void Begin(GraphAppGUI appGUI, Point p)
{
if (HasBegun)
{
return;
}
isFlowNetwork = false;
GraphPanel gp = appGUI.CurrentGraphPanel;
isFlowNetwork = (gp.Graph as FlowNetwork) != null;
List <GUIVertex> verts = gp.Vertices;
foreach (GUIVertex v in verts)
{
if (GeometryHelper.Intersects(p, new Circle(v.Pos, v.Radius)))
{
startVert = v;
Console.WriteLine("Edge tool selected vertex " + v.Vertex.Label);
HasBegun = true;
return;
}
}
startVert = null;
HasBegun = false;
Console.WriteLine("Edge tool selected null");
}
public void Begin(GraphAppGUI appGUI, Point p)
{
if (HasBegun)
{
return;
}
isFlowNetwork = false;
GraphPanel gp = appGUI.CurrentGraphPanel;
isFlowNetwork = (gp.Graph as FlowNetwork) != null;
List<GUIVertex> verts = gp.Vertices;
foreach (GUIVertex v in verts)
{
if (GeometryHelper.Intersects(p, new Circle(v.Pos, v.Radius)))
{
startVert = v;
Console.WriteLine("Edge tool selected vertex " + v.Vertex.Label);
HasBegun = true;
return;
}
}
startVert = null;
HasBegun = false;
Console.WriteLine("Edge tool selected null");
}
public void DeleteSelection(GraphApp app)
{
List <GUIEdge> localEdges = new List <GUIEdge>();
foreach (ISelectable i in currentSelection)
{
GUIVertex gv = i as GUIVertex;
if (gv != null)
{
RemoveVertex(gv, app);
foreach (GUIEdge ge in gv.GetEdges())
{
localEdges.Add(ge);
}
continue;
}
GUIEdge e = i as GUIEdge;
if (e != null)
{
RemoveEdge(e, app);
continue;
}
}
foreach (GUIEdge connected in localEdges)
{
RemoveEdge(connected, app);
}
Refresh();
}
public GUIEdge(GUIVertex start, GUIVertex end, Edge e)
{
this.e = e;
this.start = start;
this.end = end;
start.AddEdge(this);
end.AddEdge(this);
font = new Font(new FontFamily("Arial"), 12f, FontStyle.Regular);
}
public void AddEdge(GUIVertex start, GUIVertex end, Edge e)
{
GUIEdge edge = new GUIEdge(start, end, e);
edge.Brush = GUIEdge.DefaultBrush;
edge.LineWidth = GUIEdge.DefaultLineWidth;
edges.Add(edge);
selectables.Add(edge);
Refresh();
}
public GUIEdge(GUIVertex start, GUIVertex end, Edge e)
{
this.e = e;
this.start = start;
this.end = end;
start.AddEdge(this);
end.AddEdge(this);
font = new Font(new FontFamily("Arial"), 12f, FontStyle.Regular);
}
public void AddEdge(GUIVertex start, GUIVertex end, FlowEdge fe)
{
GUIFlowEdge edge = new GUIFlowEdge(start, end, fe);
edge.Brush = GUIEdge.DefaultBrush;
edge.LineWidth = GUIEdge.DefaultLineWidth;
edges.Add(edge);
selectables.Add(edge);
Refresh();
}
public void AddVertex(Vertex v, Point pos)
{
GUIVertex gv = new GUIVertex(v, pos);
gv.Brush = GUIVertex.DefaultBrush;
gv.Radius = GUIVertex.DefaultRadius;
gv.LineWidth = GUIVertex.DefaultLineWidth;
verts.Add(gv);
selectables.Add(gv);
//Refresh to draw new vertices
Refresh();
}
public void End(GraphApp app, GraphAppGUI appGUI, Point p)
{
if (!HasBegun)
{
return;
}
GraphPanel gp = appGUI.CurrentGraphPanel;
List <GUIVertex> verts = gp.Vertices;
bool foundVert = false;
foreach (GUIVertex v in verts)
{
if (GeometryHelper.Intersects(p, new Circle(v.Pos, v.Radius)))
{
endVert = v;
Console.WriteLine("Edge tool ended on vertex " + v.Vertex.Label);
foundVert = true;
//Add vertex
if (isFlowNetwork)
{
FlowEdge fe = app.AddFlowEdge(startVert.Vertex, endVert.Vertex);
gp.AddEdge(startVert, endVert, fe);
}
else
{
//Change to add two edges, for both directions
Edge e = app.AddEdge(startVert.Vertex, endVert.Vertex);
gp.AddEdge(startVert, endVert, e);
}
break;
}
}
HasBegun = false;
if (!foundVert)
{
startVert = null;
endVert = null;
return;
}
}
public override void Draw(Graphics g)
{
if (!hasBegun)
{
return;
}
if (selection != null)
{
foreach (ISelectable i in selection)
{
GUIVertex gv = i as GUIVertex;
if (gv == null)
{
continue;
}
gv.Draw(g, delta);
}
}
}
public void End(Point p)
{
delta = new Point(p.X - start.X, p.Y - start.Y);
if (selection != null)
{
foreach (ISelectable i in selection)
{
GUIVertex gv = i as GUIVertex;
if (gv == null)
{
continue;
}
gv.Pos = new Point(gv.Pos.X + delta.X, gv.Pos.Y + delta.Y);
}
}
hasBegun = false;
selection = null;
}
public void End(GraphApp app, GraphAppGUI appGUI, Point p)
{
if (!HasBegun)
{
return;
}
GraphPanel gp = appGUI.CurrentGraphPanel;
List<GUIVertex> verts = gp.Vertices;
bool foundVert = false;
foreach (GUIVertex v in verts)
{
if (GeometryHelper.Intersects(p, new Circle(v.Pos, v.Radius)))
{
endVert = v;
Console.WriteLine("Edge tool ended on vertex " + v.Vertex.Label);
foundVert = true;
//Add vertex
if (isFlowNetwork)
{
FlowEdge fe = app.AddFlowEdge(startVert.Vertex, endVert.Vertex);
gp.AddEdge(startVert, endVert, fe);
}
else
{
//Change to add two edges, for both directions
Edge e = app.AddEdge(startVert.Vertex, endVert.Vertex);
gp.AddEdge(startVert, endVert, e);
}
break;
}
}
HasBegun = false;
if (!foundVert)
{
startVert = null;
endVert = null;
return;
}
}
public GUIFlowEdge(GUIVertex start, GUIVertex end, FlowEdge fe)
: base(start, end, fe)
{
this.fe = fe;
}
public GUIFlowEdge(GUIVertex start, GUIVertex end, FlowEdge fe)
: base(start, end, fe)
{
this.fe = fe;
}
public void AddVertex(Vertex v, Point pos)
{
GUIVertex gv = new GUIVertex(v, pos);
gv.Brush = GUIVertex.DefaultBrush;
gv.Radius = GUIVertex.DefaultRadius;
gv.LineWidth = GUIVertex.DefaultLineWidth;
verts.Add(gv);
selectables.Add(gv);
//Refresh to draw new vertices
Refresh();
}
private void RemoveVertex(GUIVertex gv, GraphApp app)
{
app.RemoveVertex(gv.Vertex);
verts.Remove(gv);
selectables.Remove(gv);
}
private void RemoveVertex(GUIVertex gv, GraphApp app)
{
app.RemoveVertex(gv.Vertex);
verts.Remove(gv);
selectables.Remove(gv);
}