public GraphEdge(BinaryReader reader)
{
m_type = Factory.ObjectType.GraphEdge;
m_from = null;
m_to = null;
m_loop = reader.ReadBoolean();
}
public override object visit(GraphNode node)
{
//draw node
Pen p;
if (node == m_selected){
p = new Pen(Brushes.IndianRed,2.5f);
}
else
p = new Pen(Brushes.BlueViolet,1.5f);
if (node.getRoot() == node)
p.DashStyle = DashStyle.Dash;
m_gc.DrawEllipse(p, node.Location.X-node.Width/2, node.Location.Y-node.Height/2, node.Width, node.Height);
//with its text
m_gc.DrawString(node.Name, new Font(FontFamily.GenericSerif, 8),
Brushes.DarkGreen,
node.Location.X-node.Name.Length*3, node.Location.Y-5);
//visit edges
foreach (GraphEdge edge in node.Successors)
{
edge.getVisited(this);
}
return null;
}
public ObjectProperties(GraphNode node)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
m_properties = new ArrayList();
m_node = node;
if (m_node != null){
getValuesFromNode();
if (m_properties.Count > 0)
{
Properties.SelectedIndex = 0;
if (((ObjProperty)m_properties[0]).Values.Count > 0)
{
Value.SelectedIndex = 0;
if (((ObjValue)(((ObjProperty)m_properties[0]).Values[0])).Responses.Count > 0)
{
Response.SelectedIndex = 0;
Opcode code = ((ObjResponse)((ObjValue)(((ObjProperty)m_properties[0]).Values[0])).Responses[0]).Operation;
responseType.SelectedIndex = (int)code;
}
}
}
}
}
public GraphDrawVisitor(Graphics graph, GraphNode selection)
{
//
// TODO: Add constructor logic here
//
m_gc = graph;
m_selected = selection;
}
public override object visit(GraphNode node)
{
m_nodes.Add(node);
foreach (GraphEdge edge in node.Successors)
{
edge.getVisited(this);
}
return null;
}
public GraphEdge(GraphNode from, GraphNode to)
{
m_type = Factory.ObjectType.GraphEdge;
m_from = from;
m_to = to;
if (to.Successors.Count > 0 && to.getRoot() == from.getRoot())
m_loop = true;
else
m_loop = false;
}
public abstract object visit(GraphNode node);
public static GraphNode getFirstNonLoopingPredecessor(GraphNode node)
{
//get the non-looping predecessor
for (int i = 0; i < node.Predecessors.Count; ++i)
{
GraphEdge edge = (GraphEdge)node.Predecessors[i];
if (!edge.IsLoop)
{
return edge.From;
}
}
return null;
}
public override object visit(GraphNode node)
{
return null;
}
private void GraphForm_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
if (m_selection == null)
return;
//connect request
Monitor.Enter(m_graph);
GraphNodeSelectionVisitor gnsv = new GraphNodeSelectionVisitor(new Point(e.X,e.Y));
GraphNode target = (GraphNode)m_graph.getVisited(gnsv);
if (target != null)
{
//it was clicked on a node
m_graph.connect(m_selection, target);
}
else{
m_selection = null;
}
Monitor.Exit(m_graph);
}
else if (e.Button == MouseButtons.Left)
{
GraphNodeSelectionVisitor gnsv = new GraphNodeSelectionVisitor(new Point(e.X,e.Y));
m_selection = (GraphNode)m_graph.getVisited(gnsv);
if (m_selection != null)
{
//it was clicked on a node
if (e.Clicks > 1)
{
//double click
if (m_selection.LowerGraph == null)
{
m_selection.LowerGraph = m_gen_graph();
}
m_selection.LowerGraph.Parent = m_graph;
m_graph = m_selection.LowerGraph;
string tmp = graph_level.Text.Substring(6);
int level = Convert.ToInt32(tmp);
graph_level.Text = "level "+Convert.ToString(level+1);
//m_selection.Name = "dc";
}
m_left_down = true;
}
else
{
m_click = new Point(e.X, e.Y);
NodeMenu.Show(this, m_click);
}
}
Invalidate();
}
public abstract object visit(GraphNode node);
public void addUnconnectedNode(GraphNode node)
{
m_roots.Add(node);
m_leafs.Add(node);
}
//public virtual GraphNode newNode(Point p){
// return new GraphNode(p);
//}
public virtual GraphEdge newEdge(GraphNode from, GraphNode to)
{
return new GraphEdge(from, to);
}
public void connect(GraphNode from, GraphNode to)
{
GraphEdge edge = newEdge(from, to);
addEdge(edge);
}
