/// <summary>
/// Merges all connected Terminals of the given connection to this one
/// </summary>
/// <param name="graphicConnection">connection to derive connection items from</param>
internal void Merge(GraphicConnection graphicConnection)
{
Connection otherConnection = graphicConnection.LinkedObject as Connection;
Connection connection = LinkedObject as Connection;
foreach (Terminal terminal in otherConnection.Terminals)
{
otherConnection.DisconnectTerminal(terminal);
connection.ConnectTerminal(terminal);
}
//clone all nodes of the other connection
foreach (GraphicBaseElement child in graphicConnection.Children)
{
if (child is ConnectionNode)
{
ConnectionNode clone = new ConnectionNode(child.Location);
AddChild(clone);
}
}
//clone all lines of the other connection attached to the previously cloned nodes
foreach (GraphicBaseElement child in graphicConnection.Children)
{
if (child is ConnectionLine)
{
ConnectionLine orig = child as ConnectionLine;
ConnectionNode node1, node2;
//select cloned nodes or terminal nodes
if (orig.Nodes[0].Parent is GraphicConnection)
{
node1 = GetItemAt(orig.Nodes[0].Location, typeof(ConnectionNode)) as ConnectionNode;
}
else
{
node1 = orig.Nodes[0];
}
if (orig.Nodes[1].Parent is GraphicConnection)
{
node2 = GetItemAt(orig.Nodes[1].Location, typeof(ConnectionNode)) as ConnectionNode;
}
else
{
node2 = orig.Nodes[1];
}
if (node1 != null && node2 != null)
{
graphicConnection.RemoveChild(child);
ConnectionLine clone = new ConnectionLine(node1, node2);
AddChild(clone);
}
}
}
foreach (GraphicBaseElement child in graphicConnection.Children)
{
graphicConnection.RemoveChild(child);
}
BuildBody();
}
private static GraphicBaseElement CreateElement(string name, BaseElement logic)
{
//Terminals
if (name.Equals(typeof(Terminal).Name))
{
GraphicBaseElement element = new GraphicTerminal(logic);
element.Name = logic.Name;
return(element);
}
//Connections
if (name.Equals(typeof(Connection).Name))
{
GraphicBaseElement element = new GraphicConnection(logic);
element.Name = logic.Name;
return(element);
}
//Macros
if (name.Equals(typeof(Macro).Name))
{
Macro macro = logic as Macro;
GraphicMacro graphicMacro = new GraphicMacro(logic, MacroCache.Instance.GetSymbol(macro.TypeName));
return(graphicMacro);
}
//Gates
if (name.Equals(typeof(AndGate).Name) || name.Equals(typeof(NandGate).Name))
{
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
TextElement text = new TextElement(@"&", new PointF(4, 4));
io.AddChild(text);
return(io);
}
if (name.Equals(typeof(OrGate).Name) || name.Equals(typeof(NorGate).Name))
{
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
TextElement text = new TextElement(@"≥1", new PointF(4, 4));
io.AddChild(text);
return(io);
}
if (name.Equals(typeof(BufferGate).Name) || name.Equals(typeof(NotGate).Name))
{
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
TextElement text = new TextElement(@"1", new PointF(4, 0));
io.AddChild(text);
return(io);
}
if (name.Equals(typeof(XorGate).Name))
{
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
TextElement text = new TextElement(@"=m", new PointF(4, 4));
io.AddChild(text);
return(io);
}
if (name.Equals(typeof(XnorGate).Name))
{
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
TextElement text = new TextElement(@"=", new PointF(4, 4));
io.AddChild(text);
return(io);
}
//if (name.Equals(typeof(Delay).Name))
//{
// GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
// TextElement text = new TextElement(@"|-|", new PointF(4, 4));
// io.AddChild(text);
// return io;
//}
//Signals
if (name.Equals(typeof(Clock).Name))
{
Clock clock = (Clock)logic;
GraphicInputOutputElement graphicClock = new GraphicClock(logic);
return(graphicClock);
}
if (name.Equals(typeof(ConstantInput).Name) || name.Equals(typeof(SignalInput).Name))
{
GraphicInputOutputElement sig = new GraphicInput(logic);
TextElement text = null;
if (logic is SignalInput)
{
text = new TextElement((logic as SignalInput).SignalName, new PointF(2, 0));
}
else
{
text = new TextElement((logic as ConstantInput).State.ToString().Substring(0, 2), new PointF(2, 0));
}
if (text != null)
{
sig.AddChild(text);
}
return(sig);
}
if (name.Equals(typeof(SignalOutput).Name))
{
SignalOutput output = (SignalOutput)logic;
GraphicInputOutputElement sig = new GraphicOutput(logic);
TextElement text = new TextElement(output.SignalName, new PointF(2, 0));
sig.AddChild(text);
return(sig);
}
return(null);
}
