// 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 xaal.objects.Xaal;


public class Line extends Polyline implements Cloneable {

    private Coordinate startCoordinate;
    private Coordinate endCoordinate;

    public Line(Xaal xaalDoc) {
        super(xaalDoc);
    }
    
    public Line(Xaal xaalDoc, String id) {
        super(xaalDoc, id);
    }

    public Object clone() throws CloneNotSupportedException
    {
	Line copy = (Line) super.clone();
	if (startCoordinate!=null)
	    copy.startCoordinate = (Coordinate)startCoordinate.clone();
	if (endCoordinate!=null)
	    copy.endCoordinate = (Coordinate)endCoordinate.clone();
	return copy;
    }

    public void addCoordinate(Coordinate coordinate) {
        if (points.size() >= 2)
            //XXX Error handling??
            System.out.println("too many points in line!");
        else {
            if (points.size() == 0)
                startCoordinate = coordinate;
            else
                endCoordinate = coordinate;
            super.addCoordinate(coordinate);
        }
    }

    /**
     * @return Returns the endCoordinate.
     */
    public Coordinate getEndCoordinate() {
        return endCoordinate;
    }

    /**
     * @param endCoordinate The endCoordinate to set.
     */
    public void setEndCoordinate(Coordinate endCoordinate) {
        this.endCoordinate = endCoordinate;
    }

    /**
     * @return Returns the startCoordinate.
     */
    public Coordinate getStartCoordinate() {
        return startCoordinate;
    }

    /**
     * @param startCoordinate The startCoordinate to set.
     */
    public void setStartCoordinate(Coordinate startCoordinate) {
        this.startCoordinate = startCoordinate;
    }
    
    public String toString() {
        String s = "line (" + getId() + ") [" + getStartCoordinate() + " - " +
            getEndCoordinate() + "]";
        return s;        
        
    }
}