package net.sf.latexdraw.parsers.svg;
import java.awt.geom.Point2D;
import java.text.ParseException;
import java.util.List;
import net.sf.latexdraw.badaboom.BadaboomCollector;
import net.sf.latexdraw.parsers.svg.parsers.SVGPointsParser;
import org.w3c.dom.Node;
/**
* Defines a model for shapes that have the <code>points</code> SVG attribute.<br>
*<br>
* This file is part of LaTeXDraw.<br>
* Copyright (c) 2005-2014 Arnaud BLOUIN<br>
*<br>
* LaTeXDraw 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 2 of the License, or
* (at your option) any later version.<br>
*<br>
* LaTeXDraw is distributed 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.<br>
*<br>
* 09/11/07<br>
* @author Arnaud BLOUIN
* @version 3.0
* @since 0.1
*/
public abstract class AbstractPointsElement extends SVGElement {
/** The points of the element. @since 2.0.3 */
protected List<Point2D> points;
/**
* Creates an SVG element that can contains points.
* @param node The node used to create the SVG element.
* @param parentNode The parentNode SVG element.
* @throws MalformedSVGDocument If the element is not well formed.
* @throws ParseException If the points string is not well formed.
* @since 2.0.3
*/
protected AbstractPointsElement(final Node node, final SVGElement parentNode) throws MalformedSVGDocument, ParseException {
super(node, parentNode);
parsePoints();
}
/**
* {@link SVGElement#SVGElement(SVGDocument)}
*/
protected AbstractPointsElement(final SVGDocument doc) {
super(doc);
try { setPoints("0,0 1,1"); }//$NON-NLS-1$
catch(final ParseException e) { BadaboomCollector.INSTANCE.add(e); }
}
/**
* Parses the points of the element.
* @throws ParseException If the format of the points is not valid.
* @since 2.0.3
*/
public void parsePoints() throws ParseException {
final SVGPointsParser parser = new SVGPointsParser(getPoints());
parser.parse();
points = parser.getPoints();
}
@Override
public boolean checkAttributes() {
return getPoints()!=null;
}
/**
* Parses and sets the pts to the element.
* @param pts The string corresponding to the SVG pts of this element.
* @throws ParseException If the format of the pts is not valid.
* @since 2.0.3
*/
public void setPoints(final String pts) throws ParseException {
if(pts!=null) {
setAttribute(SVGAttributes.SVG_POINTS, pts);
parsePoints();
}
}
/**
* @return The points that make up the shape.
* @since 0.1
*/
public String getPoints() {
return getAttribute(getUsablePrefix()+SVGAttributes.SVG_POINTS);
}
/**
* @return The set of points in the Point2D format or null if the format of <code>points</code> is not valid.
* @since 0.1
*/
public List<Point2D> getPoints2D() {
return points;
}
}