//Copy Constructor
/// <summary>
/// Copy Constructor of the Gate Class
/// </summary>
/// <param name="g">The gate object to be copied</param>
public Gate(Gate g)
{
Connected = new List <Connection>();
this.row = g.getRow();
this.col = g.getColumn();
this.Value = g.calcValue();
}
/// <summary>
/// This function checks, for whether the Gate gate overlaps another gate in the circuit by
/// comparing the row and column of the gate with every gate in the circuit
/// </summary>
/// <param name="gate">
/// The newly created gate to be placed in a cell in the circuit
/// </param>
/// <returns>
/// It returns true when the gate doesn't overlap, or false if a gate exist in the same cell
/// </returns>
public bool addGate(Gate gate)
{
foreach (Gate ga in gateList)
{
if ((ga.getRow() == gate.getRow()) && (ga.getColumn() == gate.getColumn()))
{
MessageBox.Show("This cell has been occupied, please select another cell to place the gate", "Overlapping gate", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
}
setUndoList();
this.redoList.Clear();
gateList.Add(gate);
return(true);
}
/// <summary>
/// this function draw the connection and determine its color (value)
/// </summary>
/// <param name="pic">The pictureBox where the connection will be drawn</param>
public void drawConnection(ref PictureBox pic)
{
int col1 = first.getColumn();
int row1 = first.getRow();
int col2 = second.getColumn();
int row2 = second.getRow();
Pen P;
if (getValue() == 0)
{
P = new Pen(Color.Blue, 3);
}
else if (getValue() == 1)
{
P = new Pen(Color.Green, 3);
}
else
{
P = new Pen(Color.Red, 3);
}
Graphics g = pic.CreateGraphics();
Point p1 = new Point((col1 - 1) * 50 + 50, (row1 - 1) * 50 + 25);
Point p2 = new Point(0, 0);
//the following code define where the line end
if (second is NotGate || second is SinkGate)
{
p2 = new Point((col2 - 1) * 50, (row2 - 1) * 50 + 25);
}
else
{
List <Connection> temp = second.getListOfConnections();
if (temp.Count() == 1 || (temp.Count() > 1 && temp[0] != null && temp[1] == null) || (temp.Count() > 1 && temp[0] != null && temp[1] != null && this.Equals(temp[0])))
{
p2 = new Point((col2 - 1) * 50, (row2 - 1) * 50);
}
else if ((temp.Count() > 1 && temp[0] != null && temp[1] != null) || (temp.Count() > 1 && temp[1].Equals(this)))
{
p2 = new Point((col2 - 1) * 50, (row2 - 1) * 50 + 50);
}
}
g.DrawLine(P, p1, p2);
}