// 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.animation;

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

import xaal.objects.AddStructure;
import xaal.objects.Xaal;
import xaal.objects.graphical.GraphicalPrimitive;
import xaal.objects.structures.DataStructure;
import xaal.objects.structures.Structure;

/**
 * @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 CreateOperation extends StructureOperation implements AddStructure, FDTOperation {
    private Structure target;

    private LinkedList structures;

    /**
     * 
     */
    public CreateOperation(Xaal xaalDoc) {
        super(xaalDoc);
        structures = new LinkedList();
    }

    /*
     * (non-Javadoc)
     * 
     * @see xaal.parser.AddStructure#addStructure(xaal.parser.structures.DataStructure)
     */
    public void addStructure(Structure s) {
        // System.out.println("insert:" + s);
        structures.add(s);
    }

    /**
     * @return Returns the target.
     */
    public Structure getTarget() {
        return target;
    }

    /**
     * @param target
     *            The target to set.
     */
    public void setTarget(Structure target) {
        this.target = target;
    }

    /**
     * @return
     */
    public Iterator getStructures() {
        return structures.iterator();
    }

    /*
     * (non-Javadoc)
     * 
     * @see xaal.parser.AddDataStructure#addStructure(xaal.parser.structures.DataStructure)
     */
    public void addStructure(DataStructure ds) {
        addStructure((Structure) ds);
    }
    
    public void apply(HashMap state) {
        Iterator i = getGraphicals();
        int count = 0;
        while (i.hasNext()) {
            GraphicalPrimitive gp = (GraphicalPrimitive) i.next();
            state.put(gp.getId(), gp);
            count++;
        }
        i = getStructures();
        while (i.hasNext()) {
            Structure str = (Structure) i.next();
            state.put(str.getId(), str);
            count++;
        }
    }
}