/// <summary>
/// Add a gate to this canvas. An appropriate visual representation will be created.
/// </summary>
/// <param name="gate"></param>
/// <param name="pos"></param>
public void AddGate(Gates.AbstractGate gate, GateLocation pos)
{
// maybe we could use extension methods
// to add a method to create a UIGate for each AbstractGate?
Gate uigate;
if (gate is Gates.BasicGates.And)
{
uigate = new UIGates.And((Gates.BasicGates.And)gate);
}
else if (gate is Gates.BasicGates.Not)
{
uigate = new UIGates.Not((Gates.BasicGates.Not)gate);
}
else if (gate is Gates.BasicGates.Or)
{
uigate = new UIGates.Or((Gates.BasicGates.Or)gate);
}
else if (gate is Gates.BasicGates.Nand)
{
uigate = new UIGates.Nand((Gates.BasicGates.Nand)gate);
}
else if (gate is Gates.BasicGates.Nor)
{
uigate = new UIGates.Nor((Gates.BasicGates.Nor)gate);
}
else if (gate is Gates.BasicGates.Xor)
{
uigate = new UIGates.Xor((Gates.BasicGates.Xor)gate);
}
else if (gate is Gates.BasicGates.Xnor)
{
uigate = new UIGates.Xnor((Gates.BasicGates.Xnor)gate);
}
else if (gate is Gates.BasicGates.Buffer)
{
uigate = new UIGates.Buffer((Gates.BasicGates.Buffer)gate);
}
else if (gate is Gates.IOGates.UserInput)
{
uigate = new UIGates.UserInput((Gates.IOGates.UserInput)gate);
}
else if (gate is Gates.IOGates.UserOutput)
{
uigate = new UIGates.UserOutput((Gates.IOGates.UserOutput)gate);
}
else if (gate is Gates.IOGates.AbstractNumeric)
{
uigate = new UIGates.Numeric((Gates.IOGates.AbstractNumeric)gate);
}
else if (gate is Gates.IOGates.Clock)
{
uigate = new UIGates.Clock((Gates.IOGates.Clock)gate);
}
else if (gate is Gates.IOGates.Comment)
{
uigate = new UIGates.Comment((Gates.IOGates.Comment)gate);
}
else if (gate is Gates.IC)
{
uigate = UIGates.IC.CreateFromTemplate((Gates.IC)gate, icl.GetIC(gate.Name));
}
else throw new ArgumentException("gate not of known subclass");
AddGate(uigate, pos);
}
/// <summary>
/// Add a pre-existing visual gate at a particular location. The gate will also
/// be added to the circuit if it is not already a member.
/// </summary>
/// <param name="uigate"></param>
/// <param name="pos"></param>
public void AddGate(Gate uigate, GateLocation pos)
{
Gates.AbstractGate gate = uigate.AbGate;
gates[gate] = uigate;
uigate.Margin = new Thickness(pos.x, pos.y, 0, 0);
GC.Children.Add(uigate);
if (!c.Contains(gate))
c.Add(gate);
uigate.RenderTransform = new RotateTransform(pos.angle, uigate.Width / 2.0, uigate.Height / 2.0);
uigate.Tag = new GateLocation() { x = pos.x, y = pos.y, angle = pos.angle };
// NOTE that we need a separate angle and transform
// for the snap-to to work properly
// so I am using the tag to store the angle
uigate.MouseDown += new MouseButtonEventHandler(uigate_MouseDown);
uigate.MouseUp += new MouseButtonEventHandler(uigate_MouseUp);
if (uigate is UIGates.IC)
{
uigate.MouseDoubleClick += new MouseButtonEventHandler(uigate_MouseDoubleClick);
uigate.ContextMenu = new ContextMenu();
MenuItem inline = new MenuItem();
inline.Header = "Inline Circuit";
inline.Tag = uigate;
uigate.ContextMenu.Items.Add(inline);
inline.Click += new RoutedEventHandler(inline_Click);
uigate.ContextMenu.IsEnabled = !IsReadOnly;
}
// can add inputs
if (uigate.AbGate is Gates.IVariableInputs)
{
uigate.ContextMenu = new ContextMenu();
MenuItem addInput = new MenuItem();
addInput.Header = "Add Input";
addInput.Tag = uigate;
uigate.ContextMenu.Items.Add(addInput);
addInput.Click += (sender2, e2) =>
{
Gates.AbstractGate newgate = ((Gates.IVariableInputs)uigate.AbGate).Clone(uigate.AbGate.NumberOfInputs + 1);
c.ReplaceGate(uigate.AbGate, newgate);
if (UndoProvider != null)
UndoProvider.Add(new UndoRedo.ChangeNumInputs(c, uigate.AbGate, newgate));
};
if (uigate.AbGate.NumberOfInputs > 2)
{
MenuItem removeInput = new MenuItem();
removeInput.Header = "Remove Input";
removeInput.Tag = uigate;
uigate.ContextMenu.Items.Add(removeInput);
removeInput.Click += (sender2, e2) =>
{
UndoRedo.Transaction removeInp = new GatesWpf.UndoRedo.Transaction("Remove Input");
// remember wires connected to removed input
Gates.Terminal dest = new Gates.Terminal(uigate.AbGate.NumberOfInputs - 1, uigate.AbGate);
Gates.Terminal origin = c.GetSource(dest);
if (origin != null)
removeInp.Add(new UndoRedo.Reverse(new UndoRedo.ConnectWire(c, origin, dest)));
Gates.AbstractGate newgate = ((Gates.IVariableInputs)uigate.AbGate).Clone(uigate.AbGate.NumberOfInputs - 1);
c.ReplaceGate(uigate.AbGate, newgate);
removeInp.Add(new UndoRedo.ChangeNumInputs(c, uigate.AbGate, newgate));
if (UndoProvider != null)
UndoProvider.Add(removeInp);
};
}
uigate.ContextMenu.IsEnabled = !IsReadOnly;
}
if (uigate is UIGates.UserIO)
((UIGates.UserIO)uigate).UndoProvider = UndoProvider;
if (uigate is UIGates.Comment)
((UIGates.Comment)uigate).UndoProvider = UndoProvider;
SetInfoLine(uigate);
}