import java.awt.Graphics;

/** This class represents a macro-command on the construction panel.*/
public class CP_MacroCommand extends CP_Item {

	/** A reference to the connected macro. */
	private MacroCommand macro;
	/** A reference to a connection object that will be created
	    when a connection is added to this object. */
	private CP_Connection conn[] = new CP_Connection[4];

	/** The constructor. */
	public CP_MacroCommand(MacroCommand _macro) {
		type = 3;
		macro = _macro;
		w = 60; h = 60;
		for (int i=0;i<4;i++) conn[i] = null;
	}

	/** Returns the x-position of the connection port nr. "_port". */
	public int getPortX(int _port) {
		switch(_port) {
			case 0:	return x-w/2-3;
			default:	return x+w/2+3;
		}
	}

	/** Returns the y-position of the connection port. nr. "_port". */
	public int getPortY(int _port) {
		switch(_port) {
			case 1:	return y-15;
			case 3:	return y+15;
			default:	return y;
		}
	}

	/** Returns the reference to the connected macro. */
	public MacroCommand getMacroCommand() { return macro; }

	/** Sets the connection from port nr. "_port" to another object. */
	public void setConnection(int _port, CP_Connection _conn) {
		conn[_port] = _conn;
	}

	/** Gets the connection from port nr. "_port" to another object. */
	public CP_Connection getConnection(int _port) {
		return conn[_port];
	}

	/** Draws the object. */
	public void draw(Graphics g) {
		g.drawRect(x-w/2, y-h/2, w, h);

		g.drawArc(x-w/2-6,y-3,6,6,0,360);
		g.drawArc(x+w/2,y-18,6,6,0,360);
		g.drawArc(x+w/2,y-3,6,6,0,360);
		g.drawArc(x+w/2,y+12,6,6,0,360);
		g.drawString("Macro:",x-w/2+5,y);
		g.drawString(name,x-w/2+5,y+10);
	}

}