// 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;

import java.util.HashMap;
import java.util.Iterator;

import xaal.objects.graphical.ShapeDefinition;
import xaal.objects.graphical.Style;
import xaal.util.EmptyIterator;

/**
 * @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 Defs {
    private HashMap<String, Style> styles;
    private HashMap shapes;
    private HashMap options;

    /**
     * 
     */
    public Defs() {
        super();
        options = new HashMap();
    }

    public void addStyle(Style s) {
        if (styles == null)
            styles = new HashMap<String, Style>();
        styles.put(s.getId(), s);
    }

    public Style getStyle(String id) {
        if (styles != null)
            return (Style) styles.get(id);
        else
            return null;
    }
    
    public Iterator<Style> getStyles() {
        if (styles == null) {
            return new EmptyIterator();
        }
        return styles.values().iterator();
    }
    
    public Iterator<String> getOptionNames() {
        return options.keySet().iterator();
    }

    public void addShapeDefinition(ShapeDefinition s) {
        if (shapes == null)
            shapes = new HashMap();
        shapes.put(s.getName(), s);
    }
    
    public ShapeDefinition getShapeDefinition(String name) {
        if (shapes != null)
            return (ShapeDefinition) shapes.get(name);
        else
            return null;
    }
    
    public void addOption(String name, String value) {
        options.put(name, value);
    }
    
    public String getOption(String name) {
        return (String) options.get(name);
    }

    public Iterator<ShapeDefinition> getShapeDefinitions() {
    	if (shapes == null) {
    		return new EmptyIterator();
    	}
        return shapes.values().iterator();
    }
}