/// <summary>
/// Removes Terminals when needed
/// </summary>
protected void RemoveTerminals()
{
InputOutputElement ioElement = LinkedObject as InputOutputElement;
//remove Outputs
int count = CountTerminals(DirectionType.Output);
while (count > ioElement.OutputCount)
{
GraphicTerminal terminal = m_Terminals.FindLast(delegate(GraphicTerminal element)
{
return((element.LinkedObject as Terminal).Direction == DirectionType.Output);
});
RemoveTerminal(terminal);
count--;
}
//remove Inputs
count = CountTerminals(DirectionType.Input);
while (count > ioElement.InputCount)
{
GraphicTerminal terminal = m_Terminals.FindLast(delegate(GraphicTerminal element)
{
return((element.LinkedObject as Terminal).Direction == DirectionType.Input);
});
RemoveTerminal(terminal);
count--;
}
}
/// <summary>
/// Disconnects a Terminal from this Connection
/// </summary>
/// <param name="graphicTerminal">the Terminal to disconnect</param>
public void DisconnectTerminal(GraphicTerminal graphicTerminal)
{
Terminal terminal = graphicTerminal.LinkedObject as Terminal;
Connection connection = LinkedObject as Connection;
connection.DisconnectTerminal(terminal);
graphicTerminal.OnLocationChanged -= GraphicTerminal_OnLocationChanged;
//BuildBody();
}
/// <summary>
/// Connects a Terminal to this Connection
/// </summary>
/// <param name="graphicTerminal">the Terminal to connect</param>
public void ConnectTerminal(GraphicTerminal graphicTerminal)
{
Terminal terminal = graphicTerminal.LinkedObject as Terminal;
Connection connection = LinkedObject as Connection;
connection.ConnectTerminal(terminal);
graphicTerminal.OnLocationChanged += new LocationChangeEvent(GraphicTerminal_OnLocationChanged);
//new NotifyEvent(GraphicTerminal_OnLocationChanged);
//BuildBody();
}
/// <summary>
/// Adds a terminal to this Element
/// </summary>
/// <param name="terminal">the terminal</param>
protected void AddTerminal(GraphicTerminal terminal)
{
if (m_Terminals == null)
{
m_Terminals = new List <GraphicTerminal>(1);
}
if (m_Terminals.Contains(terminal) == false)
{
m_Terminals.Add(terminal);
}
}
/// <summary>
/// Removes a terminal from this element
/// </summary>
/// <param name="graphicTerminal">the terminal</param>
protected void RemoveTerminal(GraphicTerminal graphicTerminal)
{
if (m_Terminals.Contains(graphicTerminal))
{
//remove crossing references (in case garbage collector is dumb)
Terminal terminal = (graphicTerminal.LinkedObject as Terminal);
if (terminal != null)
{
terminal.LinkedObject = null;
}
graphicTerminal.LinkedObject = null;
////disconnect if connected
//if (terminal.IsConnected)
//{
// terminal.Connection.DisconnectTerminal(terminal);
//}
m_Terminals.Remove(graphicTerminal);
}
}
private string GenerateNodeName()
{
if (m_Parent == null)
{
return(String.Empty);
}
if (m_Parent is GraphicConnection)
{
return(String.Format("{0:x4}{1:x4}", (int)Location.X, (int)Location.Y));
}
else if (m_Parent is GraphicTerminal)
{
GraphicTerminal terminal = m_Parent as GraphicTerminal;
string ioName = String.Empty;
if ((m_Parent.LinkedObject as Terminal).ParentIO != null)
{
ioName = (m_Parent.LinkedObject as Terminal).ParentIO.Name;
}
return(String.Format("{0}/{1}", ioName, terminal.Name));
}
throw new NotSupportedException("Parent type not supported");
}
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);
}