// XAAL toolkit
// Copyright (C) 2009 Ville Karavirta <vkaravir(a)cs.hut.fi>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
package xaal.objects.graphical;

import java.awt.Rectangle;

import xaal.objects.Xaal;
import xaal.objects.XaalObject;

/**
 * @author vkaravir
 * 
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class Coordinate extends XaalObject implements Cloneable {
    public int x, y;
    //private String id;
    private Offset offset;
    /** A private counter used when generating element id's */
    //private static int count = 1;

    /**
     *  
     */
    public Coordinate(Xaal xaalDoc) {
        super(xaalDoc);
    }

    public Coordinate(Xaal xaalDoc, int x, int y) {
        super(xaalDoc);
        this.x = x;
        this.y = y;
    }

    public Object clone() throws CloneNotSupportedException
    {
	return super.clone();
    }

    /**
     * @return
     */
    public int getX() {
        return x;
    }

    /**
     * @return Returns the y.
     */
    public int getY() {
        return y;
    }

    /**
     * @param y
     *            The y to set.
     */
    public void setY(int y) {
        this.y = y;
    }

    /**
     * @param x
     *            The x to set.
     */
    public void setX(int x) {
        this.x = x;
    }

    /**
     * @return Returns the id.
     */
/*    public String getId() {
        if (id == null) {
            id = generateId();
        }
        return id;
    }*/

    /**
     * @param id The id to set.
     */
    /*public void setId(String id) {
        this.id = id;
    }*/

    /**
     * @return Returns the offset.
     */
    public Offset getOffset() {
        return offset;
    }

    /**
     * @param offset The offset to set.
     */
    public void setOffset(Offset offset) {
        this.offset = offset;
    }

    public boolean equalsIgnoreId(Coordinate coord) {
        // TODO offsets
        if (coord.getX() == getX() && coord.getY() == getY())
            return true;
        return false;
    }
    
    /** Returns the absolute x-coordinate. This is the same as using
     * getX() + getOffset().getX(). 
     * @return
     */
    public int getAbsoluteX() {
        if (getOffset() == null) {
            return getX();
        }
        return getX() + getOffset().getOffsetX();
    }
    
    /** Returns the absolute y-coordinate. This is the same as using
     * getY() + getOffset().getY(). 
     * @return
     */
    public int getAbsoluteY() {
        if (getOffset() == null) {
            return getY();
        }
        return getY() + getOffset().getOffsetY();
    }

    /**
     * Generates a unique id for this coordinate.
     * 
     * @return A unique id.
     */
    /*protected String generateId() {
        String cName = getClass().getName();
        return cName.substring(cName.lastIndexOf('.') + 1) + count++;
    }*/
    
    public String toString() {
        return "(" + getX() + "," + getY() + ")";
    }

    public Rectangle getBounds() {
        return new Rectangle(0,0,0,0);
    }
}