/// <summary>
/// Removes a child from this element
/// </summary>
/// <param name="child">the child</param>
internal virtual void RemoveChild(GraphicBaseElement child)
{
if (m_Children.Contains(child))
{
m_Children.Remove(child);
child.Parent = null;
}
}
protected override void AddTerminals()
{
InputOutputElement ioElement = LinkedObject as InputOutputElement;
//add the Output
GraphicBaseElement element = GraphicObjectFactory.CreateInstance(typeof(Terminal), ioElement.Outputs[0]);
element.Location = new PointF(GraphicConstants.GraphicSignalWidth, GraphicConstants.GraphicSignalHeight / 2);
AddTerminal(element as GraphicTerminal);
}
internal override void RemoveChild(GraphicBaseElement child)
{
base.RemoveChild(child);
if (child is ConnectionLine)
{
ConnectionLine line = child as ConnectionLine;
line.DetachNodes();
}
}
/// <summary>
/// Adds a child to this Element
/// </summary>
/// <param name="child">the child</param>
internal virtual void AddChild(GraphicBaseElement child)
{
if (m_Children == null)
{
m_Children = new List <GraphicBaseElement>(1);
}
if (m_Children.Contains(child) == false && child.Parent == null)
{
m_Children.Add(child);
child.Parent = this;
}
}
/// <summary>
/// Returns a graphic element corresponding to the given logic Element
/// </summary>
/// <param name="logicType">type of the logic element to create graphic element for</param>
/// <param name="logic">logic object that will be linked to the graphic element</param>
/// <returns>new graphic element</returns>
public static GraphicBaseElement CreateInstance(Type logicType, BaseElement logic)
{
try
{
if (logicType == null)
{
throw new ArgumentNullException("logicType");
}
// get graphic corresponding to given element from cache
GraphicBaseElement element = CreateElement(logicType.Name, logic);
return(element);
}
catch (KeyNotFoundException exception)
{
throw new ArgumentException("Element Not Found", exception);
}
}
/// <summary>
/// Adds terminals when needed
/// </summary>
protected virtual void AddTerminals()
{
InputOutputElement ioElement = LinkedObject as InputOutputElement;
//add Outputs
int count = CountTerminals(DirectionType.Output);
while (count < ioElement.OutputCount)
{
GraphicBaseElement element = GraphicObjectFactory.CreateInstance(typeof(Terminal), ioElement.Outputs[count]);
if (ioElement.Outputs[count].Negated)
{
element.Location = new PointF(GraphicConstants.GraphicElementWidth,
GraphicConstants.GraphicElementUpperSpace + count * GraphicConstants.GraphicElementTerminalSpace - 3);
}
else
{
element.Location = new PointF(GraphicConstants.GraphicElementWidth,
GraphicConstants.GraphicElementUpperSpace + count * GraphicConstants.GraphicElementTerminalSpace);
}
AddTerminal(element as GraphicTerminal);
count++;
}
//add Inputs
count = CountTerminals(DirectionType.Input);
while (count < ioElement.InputCount)
{
GraphicBaseElement element = GraphicObjectFactory.CreateInstance(typeof(Terminal), ioElement.Inputs[count]);
if (ioElement.Inputs[count].Negated)
{
element.Location = new PointF(-GraphicConstants.GraphicTerminalWidth,
GraphicConstants.GraphicElementUpperSpace + count * GraphicConstants.GraphicElementTerminalSpace - 3);
}
else
{
element.Location = new PointF(-GraphicConstants.GraphicTerminalWidth,
GraphicConstants.GraphicElementUpperSpace + count * GraphicConstants.GraphicElementTerminalSpace);
}
element.Angle = 180;
AddTerminal(element as GraphicTerminal);
count++;
}
}
/// <summary>
/// Adds terminals
/// </summary>
protected override void AddTerminals()
{
Macro macro = LinkedObject as Macro;
foreach (SymbolPart part in m_Symbol)
{
if (part is PortPart)
{
PortPart port = (PortPart)part;
Terminal term = macro.GetTerminalByName(port.Name);
if (term != null)
{
GraphicBaseElement element = GraphicObjectFactory.CreateInstance(typeof(Terminal), term);
element.Name = port.Name;
element.Location = port.Location;
element.Angle = port.Angle;
AddTerminal(element as GraphicTerminal);
}
}
}
}
internal override void AddChild(GraphicBaseElement child)
{
base.AddChild(child);
m_Children.Sort(delegate(GraphicBaseElement a, GraphicBaseElement b)
{
//Lines are 'greater' than Nodes
if (a is ConnectionNode)
{
if (b is ConnectionNode)
{
return(0);
}
return(-1);
}
else if (b is ConnectionNode)
{
return(1);
}
return(0);
});
}
/// <summary>
/// Creates a clone of th given element
/// Currently only clones of GraphicInputOutputElement are supported
/// </summary>
/// <param name="element">element to clone</param>
/// <returns>cloned element</returns>
public static GraphicBaseElement CreateClone(GraphicBaseElement element)
{
if (element.GetType().Equals(typeof(GraphicMacro)))
{
BaseElement macro = ((Macro)element.LinkedObject).Clone();
GraphicMacro graphicMacro = new GraphicMacro(macro, (element as GraphicMacro).m_Symbol);
if (element.Children != null)
{
foreach (GraphicBaseElement child in element.Children)
{
GraphicBaseElement childClone = CreateClone(child);
graphicMacro.AddChild(childClone);
}
}
return(graphicMacro);
}
if (element.GetType().Equals(typeof(GraphicInputOutputElement)))
{
BaseElement logic = ((InputOutputElement)element.LinkedObject).Clone();
GraphicInputOutputElement io = new GraphicInputOutputElement(logic);
if (element.Children != null)
{
foreach (GraphicBaseElement child in element.Children)
{
GraphicBaseElement childClone = CreateClone(child);
io.AddChild(childClone);
}
}
return(io);
}
if (element.GetType().Equals(typeof(GraphicClock)))
{
BaseElement logic = ((Clock)element.LinkedObject).Clone();
GraphicInputOutputElement grClock = new GraphicClock(logic);
if (element.Children != null)
{
foreach (GraphicBaseElement child in element.Children)
{
GraphicBaseElement childClone = CreateClone(child);
grClock.AddChild(childClone);
}
}
return(grClock);
}
if (element.GetType().Equals(typeof(GraphicInput)))
{
BaseElement logic = ((ConstantInput)element.LinkedObject).Clone();
GraphicInputOutputElement sig = new GraphicInput(logic);
if (element.Children != null)
{
foreach (GraphicBaseElement child in element.Children)
{
GraphicBaseElement childClone = CreateClone(child);
sig.AddChild(childClone);
}
}
return(sig);
}
if (element.GetType().Equals(typeof(GraphicOutput)))
{
BaseElement logic = ((SignalOutput)element.LinkedObject).Clone();
GraphicInputOutputElement sig = new GraphicOutput(logic);
if (element.Children != null)
{
foreach (GraphicBaseElement child in element.Children)
{
GraphicBaseElement childClone = CreateClone(child);
sig.AddChild(childClone);
}
}
return(sig);
}
if (element.GetType().Equals(typeof(TextElement)))
{
TextElement orig = (element as TextElement);
TextElement text = new TextElement(orig.Text, orig.Location);
text.FontName = orig.FontName;
text.FontSize = orig.FontSize;
return(text);
}
return(null);
}
/// <summary>
/// No children are supported for TextElements
/// </summary>
/// <param name="child"></param>
/// <exception cref="NotSupportedException"></exception>
internal override void RemoveChild(GraphicBaseElement child)
{
throw new NotSupportedException();
}
