private void gridBox_MouseClick(object sender, MouseEventArgs e)
{
//Hides the dynamic button when clicking on an empty cell.
if (dynamicButton != null)
{
dynamicButton.Visible = false;
}
//First, it checks which button is clicked
//Then depends on the button clicked, in creates and draw the corresponding objects gate or connection
if (code == drawCode.Source)
{
Gate SG1 = new SourceGate(e.Location);
if (circ.addGate(SG1) == true)
{
SG1.drawGate(ref gridBox);
highlight = Rectangle.Empty;
}
code = null;
}
else if (code == drawCode.Sink)
{
Gate SG1 = new SinkGate(e.Location);
if (circ.addGate(SG1) == true)
{
SG1.drawGate(ref gridBox);
highlight = Rectangle.Empty;
}
code = null;
}
else if (code == drawCode.And)
{
Gate AG1 = new AndGate(e.Location);
if (circ.addGate(AG1) == true)
{
AG1.drawGate(ref gridBox);
highlight = Rectangle.Empty;
}
code = null;
}
else if (code == drawCode.Or)
{
Gate OG1 = new OrGate(e.Location);
if (circ.addGate(OG1) == true)
{
OG1.drawGate(ref gridBox);
highlight = Rectangle.Empty;
}
code = null;
}
else if (code == drawCode.Not)
{
Gate NG1 = new NotGate(e.Location);
if (circ.addGate(NG1) == true)
{
NG1.drawGate(ref gridBox);
highlight = Rectangle.Empty;
}
code = null;
}
else if (code == drawCode.Connect)
{
rowNum = e.Location.Y / 50 + 1;
colNum = e.Location.X / 50 + 1;
chosen = circ.getGateFromList(rowNum, colNum);
if (chosen != null)
{
if (counter == 0)
{
// if the first gate is sink, gives error message
if (chosen is SinkGate)
{
MessageBox.Show("The sink gate cannot be the first gate", "Invalid Connection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
first = second = null;
code = null;
}
else
{
first = chosen;
counter = 1;
}
}
else
{
// if the second gate is source, gives error message
if (chosen is SourceGate)
{
MessageBox.Show("Source gate cannot be the second gate", "Invalid Connection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
first = second = null;
code = null;
counter = 0;
}
// if the both selected gate are the same, gives error message
else if (first == chosen)
{
MessageBox.Show("You are trying to connect the same gate", "Invalid Connection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
first = second = null;
code = null;
counter = 0;
}
else
{
second = chosen;
counter = 0;
Connection c = new Connection(first, second);
if (circ.addConnection(c))
{
c.drawConnection(ref gridBox);
first = second = null;
circ.reDraw(ref gridBox);
}
}
}
}
else
{
code = null;
first = second = null;
}
}
else if (code == null)
{
rowNum = e.Location.Y / 50 + 1;
colNum = e.Location.X / 50 + 1;
chosen = circ.getGateFromList(rowNum, colNum);
if (chosen != null)
{
chosenConn = null;
Point x = new Point(((colNum - 1) * 50 - 25), ((rowNum - 1) * 50) + 50);
highlight = new Rectangle(((colNum - 1) * 50) - 5, ((rowNum - 1) * 50) - 5, 60, 60);
gridBox.Refresh();
circ.reDraw(ref gridBox);
if (chosen is SourceGate)
{
CreateDynamicButton(x);
}
}
else
{
chosenConn = circ.getConnectionFromList(e.Location);
chosen = null;
if (chosenConn != null)
{
int x1 = (chosenConn.getFirstGate().getColumn()) * 50;
int x2 = (chosenConn.getSecondGate().getColumn() - 1) * 50;
int y1 = (chosenConn.getFirstGate().getRow() - 1) * 50;
int y2 = (chosenConn.getSecondGate().getRow() - 1) * 50;
if (y2 > y1)
{
highlight = new Rectangle(x1 - 5, y1 + 15, (x2 - x1) + 10, (y2 - y1) + 5);
}
else if (y2 < y1)
{
highlight = new Rectangle(x1 - 5, y2 + 15, (x2 - x1) + 10, (y1 - y2) + 10);
}
else
{
highlight = new Rectangle(x1 - 5, y1, (x2 - x1) + 10, 50);
}
}
else
{
highlight = new Rectangle(((colNum - 1) * 50) - 5, ((rowNum - 1) * 50) - 5, 60, 60);
gridBox.Refresh();
circ.reDraw(ref gridBox);
}
}
}
gridBox.Refresh();
circ.reDraw(ref gridBox);
}
//Copy Constructor
/// <summary>
/// Copy Constructor of OrGate Class
/// </summary>
/// <param name="G">The Original Gate to be copied</param>
public OrGate(Gate G)
: base(G)
{
Input1 = ((OrGate)G).Input1;
Input2 = ((OrGate)G).Input2;
}
//Copy Constructor
/// <summary>
/// Copy Constructor of And Class
/// </summary>
/// <param name="G">The Original Gate to be copied</param>
public AndGate(Gate G)
: base(G)
{
Input1 = ((AndGate)G).Input1;
Input2 = ((AndGate)G).Input2;
}
//Copy Constructor
/// <summary>
/// Copy Constructor of SourceGate Class
/// </summary>
/// <param name="G">The Original Gate to be copied</param>
public SourceGate(Gate G)
: base(G)
{
Value = ((SourceGate)G).Value;
}
//Copy Constructor
/// <summary>
/// Copy Constructor of SinkGate Class
/// </summary>
/// <param name="G">The Original Gate to be copied</param>
public SinkGate(Gate G)
: base(G)
{
Input1 = ((SinkGate)G).Input1;
}
/// <summary>
/// This is the constructor of the connection object,
/// which having two parameters: first and second gate object.
/// </summary>
/// <param name="firs"></param>
/// <param name="secon"></param>
public Connection(Gate firs, Gate secon)
{
first = firs;
second = secon;
}