package graph.cell;
import graph.rep.*;
import graph.*;
import java.util.*;
import java.awt.*;

/**
 * A CAD-style component.
 *
 * @see Node
 * @see Graph
 * @author Michael Shilman (michaels@eecs.berkeley.edu)
 * @version $Id$
 */
public class Cell extends Graph {
	/**
	 * Ports/terminals of this cell.
	 */
	public Vector ports = new Vector();
		
	/**
	 * An abstracted representation of this cell.
	 */
	public NodeRep lodRep = null;
	
	/*Vector inPads = new Vector();
	Vector outPads = new Vector();*/
	
    /**
     * Construct an empty cell.
     */
    public Cell() {
    	super();
    }
        
    /**
     * Construct an empty cell with some preallocated space.
     */
    public Cell(int n) {
    	super(n);
    }
    
    /**
     * Construct an empty graph with some preallocated space
     * and an increment size.
     */
    public Cell(int n, int incr) {
		super(n, incr);
    }
	
	/**
     * Paint the graph into the graphics object.  For now,
     * there are no hierarchical reference frames.
     */
    public void paint(Graphics g) {
    	if(parent != null) {
    		if(!explode) {
		    	if(lodRep != null) { lodRep.paint(g,x,y,w,h);	}
		    	if(lbl != null) { lbl.paint(g,x,y-w/4);	}
    		}
    		else {
    			super.paint(g);
    		}
    	}
    	
    	if(explode) {
    		Node n;
	        for(Enumeration e = nodes.elements(); e.hasMoreElements(); ) {
	            n = (Node)e.nextElement();
	            n.paintEdges(g);
	        }
	        for(Enumeration e = ports.elements(); e.hasMoreElements(); ) {
	            n = (Node)e.nextElement();
	            n.paintEdges(g);
	        }
	        for(Enumeration e = nodes.elements(); e.hasMoreElements(); ) {
	    		n = (Node)e.nextElement();
	       		n.paint(g);
	        }
	        for(Enumeration e = ports.elements(); e.hasMoreElements(); ) {
	    		n = (Node)e.nextElement();
	       		n.paint(g);
	        }
        }        
    }
}