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

/**
 * A data structure for storing the graphical representation
 * of a node.  Nodes can have be presented as one of several
 * shapes, or as an image of some sort.
 *
 * @see graph.Node
 * @see graph.Graph
 * @author Michael Shilman (michaels@eecs.berkeley.edu)
 * @version $Id$
 */
public class NodeRep extends BaseRep implements Cloneable {
	
	/**
	 * Draw this node in the shape of a rectangle.
	 */
	public static final int RECTANGLE = 0;
	
	/**
	 * Draw this node in the shape of a 3d rectangle.
	 */
	public static final int THREED_RECT = 1;
	
	/**
	 * Draw this node in the shape of a rounded rectangle.
	 */
	public static final int ROUND_RECT = 2;
	
	/**
	 * Draw this node in the shape of an oval.
	 */
	public static final int OVAL = 3;
	
	/**
	 * Draw this node in as an image.
	 */
	public static final int IMAGE = 4;

//XXX
//	public static final int TRIANGLE = 0;
//	public static final int IMAGE = 0;
//  public Image i = null;
	
	
	/**
	 * The drawing type of the node.  Defaults to rectangle.
	 */
	public int type = RECTANGLE;
	
	/**
	 * The drawing type of the node when it is selected.
	 */
	public int selType = RECTANGLE;
	
	/**
	 * The radius of the corner in a rounded rectangle representation.
	 */
	public int corner = 5;
	
	/**
	 * The fill color for the standard shape representation.
	 */
    public Color fill = Color.orange;//XXX
	
	/**
	 * The border color for the standard shape representation.
	 */
    public Color border = Color.blue;//XXX
	
	/**
	 * The image object in the image representation.
	 */
    public Image image = null;
	
	/**
	 * The fill color for the selected shape representation. 
	 */
    public Color selFill = Color.red;
	
	/**
	 * The border color for the selected shape representation. 
	 */
    public Color selBorder = Color.blue;
		
	/**
	 * The image object in the image representation when the node
	 * is selected.
	 */
    public Image selImage = null;
	
	/**
	 * Paint this node at the specified position.
	 */
    public void paint(Graphics g, double x, double y) {
    	switch(type) {
    		case IMAGE:
    			if(image != null) {
    				g.drawImage(image, (int)x, (int)y, null);
    			}
    			break;
    		default:
				paint(g, x, y, Node.DEFAULT_WIDTH, Node.DEFAULT_HEIGHT);
		}
    }
    
	/**
	 * Make a copy of this object.
	 */
    public Object clone() {
    	NodeRep rep = new NodeRep();
    	rep.type = type;
    	rep.selType = selType;
    	rep.corner = corner;
    	rep.fill = fill;
    	rep.border = border;
    	rep.image = image;
    	rep.selImage = selImage;
    	rep.selFill = selFill;
    	rep.selBorder = selBorder;
    	rep.selected = selected;
    	return rep;    	
    }
       
       
	/**
	 * Paint this object in the specified rectangle.
	 */
    public void paint(Graphics g, double x1, double y1, double w1, double h1) {
		int x = (int)x1;
		int y = (int)y1;
		int w = (int)w1;
		int h = (int)h1;
		int t = ((selected) ? selType : type);
		Color fc = ((selected) ? selFill : fill);
		Color bc = ((selected) ? selBorder : border);
		Image img = ((selected) ? selImage : image);
		
    	if(show) {
    		if(fc != null) {
    			g.setColor(fc);
				switch(t) {
					case THREED_RECT:
						g.fill3DRect(x,y,w,h,true);
					case ROUND_RECT:
						g.fillRoundRect(x,y,w,h,corner,corner);
						break;
					case OVAL:
						g.fillOval(x,y,w,h);
						break;
					case IMAGE:
						if(img != null) {
	//						System.out.println("Drawing image: " + img.getWidth(null) + " x " + img.getHeight(null));
							g.drawImage(img, (int)x, (int)y, (int)w, (int)h, null);
						}
						break;
					case RECTANGLE:
					default:
						g.fillRect(x,y,w,h);
						break;
				}
			}
			
			if(bc != null) {
    			g.setColor(bc);
				switch(t) {
					case THREED_RECT:
						g.draw3DRect(x,y,w,h,true);
					case ROUND_RECT:
						g.drawRoundRect(x,y,w,h,corner,corner);
						break;
					case OVAL:
						g.drawOval(x,y,w,h);
						break;
					case IMAGE:
						break;
					case RECTANGLE:
					default:
						g.drawRect(x,y,w,h);
						break;
				}
			}
    	}
    }
}