// 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.LinkedList;

import xaal.objects.Xaal;
import xaal.objects.structures.Key;
import xaal.objects.structures.Node;
import xaal.objects.structures.Structure;

public class SwapOperation extends StructureOperation {
    private Structure swap, with;
    
    public SwapOperation(Xaal xaalDoc) {
        super(xaalDoc);
    }

    /**
     * @return Returns the swap.
     */
    public Structure getSwap() {
        return swap;
    }

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

    /**
     * @return Returns the with.
     */
    public Structure getWith() {
        return with;
    }

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

    public void apply(HashMap state) {
        Structure swp = getSwap();//(Structure) state.get(getSwap().getId());
        Structure wth = getWith();//(Structure) state.get(getWith().getId());
        if (swp == null || wth == null) {
            System.out.println("Failed to apply swap");
            return;
        }
        if (swp instanceof Key && wth instanceof Key) {
            //String tmpId = swp.getId();
            Node tmp = ((Key) swp).getParent();
            ((Key) swp).getParent().setContent(wth);
            ((Key) wth).getParent().setContent(swp);
            ((Key) swp).setParent(((Key) wth).getParent());
            ((Key) wth).setParent(tmp);
            tmp.getParent().setGraphical(new LinkedList());
        }
    }
}