// 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.parser.modules;

import org.xml.sax.Attributes;

import xaal.objects.Animation;
import xaal.objects.Defs;
import xaal.objects.Initial;
import xaal.objects.Xaal;
import xaal.parser.ParserModule;

/**
 * @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 XaalMainParserModule extends ParserModule {
    
    public static final String ADD_DATASTRUCTURE_OBJECT = "adddsobj";

    public static final String XAAL_ROOT_OBJECT = "xaal-root";

    public static final String ADD_GRAPHICALPRIMITIVE_OBJECT = "addgpobj";

    public static final String ADD_ANIMATIONOPERATION_OBJECT = "addaoobj";

    public static final String STYLED_OBJECT = "stylobj";

    public XaalMainParserModule() {
    }

    public void characters(char[] text, int start, int length) {
    }

    public void startElementAnimation(String namespaceURI, String localName, String qName, Attributes atts) {
        Xaal xaal = (Xaal) ParserModule.getProperty(XAAL_ROOT_OBJECT);
        Animation anim = new Animation(xaal);
        xaal.setAnimation(anim);
        push(anim);
        ParserModule.setProperty(ADD_DATASTRUCTURE_OBJECT, anim);
        ParserModule.setProperty(ADD_GRAPHICALPRIMITIVE_OBJECT, anim);
        ParserModule.setProperty(ADD_ANIMATIONOPERATION_OBJECT, anim);
    }

    public void startElementDefs(String namespaceURI, String localName, String qName, Attributes atts) {
        Defs d = new Defs();
        Xaal x = (Xaal) ParserModule.getProperty(XAAL_ROOT_OBJECT);
        x.setDefs(d);
        push(d);
    }

    public void startElementInitial(String namespaceURI, String localName, String qName, Attributes atts) {
        Xaal xaal = (Xaal) getProperty(XAAL_ROOT_OBJECT);
        Initial init = new Initial(xaal);
        xaal.setInitial(init);
        setProperty(ADD_DATASTRUCTURE_OBJECT, init);
        ParserModule.setProperty(ADD_GRAPHICALPRIMITIVE_OBJECT, init);
        push(init);
    }

    public void startElementOption(String namespaceURI, String localName, String qName, Attributes atts) {
        Defs d = ((Xaal) getProperty(XAAL_ROOT_OBJECT)).getDefs();
        String value = atts.getValue("value");
        String name = atts.getValue("name");
        d.addOption(name, value);
    }

    private void startRemoveElement(String namespaceURI, String localName, String qName, Attributes atts) {
    }

    private void startReplaceElement(String namespaceURI, String localName, String qName, Attributes atts) {
    }

    private void startSearchElement(String namespaceURI, String localName, String qName, Attributes atts) {
    }

    public void startElementXaal(String namespaceURI, String localName,
            String qName, Attributes atts) {
        Xaal xaal = new Xaal();
        push(xaal);
        setProperty(XAAL_ROOT_OBJECT, xaal);
        if (atts.getIndex("version") != -1) {
            xaal.setVersion(atts.getValue("version"));
        }
    }

    public void endElementAnimation(String namespaceURI, String localName, String qName) {
        pop();
    }

    public void endElementDefs(String namespaceURI, String localName, String qName) {
        pop();
    }

    public void endElementInitial(String namespaceURI, String localName, String qName) {
        pop();
    }

    private void endRemoveElement(String namespaceURI, String localName, String qName) {
    }

    private void endReplaceElement(String namespaceURI, String localName, String qName) {
    }

    private void endSearchElement(String namespaceURI, String localName, String qName) {
     }

    public void endElementXaal(String namespaceURI, String localName, String qName) {
        pop();
    }
}