package textbender.o.rhinohide.traversal; // Copyright 2006, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Textbender Software"), to deal in the Textbender Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Textbender Software, and to permit persons to whom the Textbender Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Textbender Software. THE TEXTBENDER SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE TEXTBENDER SOFTWARE OR THE USE OR OTHER DEALINGS IN THE TEXTBENDER SOFTWARE.

import netscape.javascript.JSObject;
import org.w3c.dom.Node;
import org.w3c.dom.traversal.*;
import textbender.g.lang.ThreadSafe;
import textbender.o.rhinohide.*;
import textbender.o.rhinohide.core.*;


/** A tree walker implemented as an overlay of a JavaScript tree walker.
  */
public @ThreadSafe final class RhiTreeWalker extends Rhinohide implements TreeWalker
{


    /** Constructs a RhiTreeWalker.
      *
      *     @param window global object
      *     @param jsObject bridge to underlying JavaScript tree walker,
      *         per {@linkplain Rhinohide#jsObject() jsObject}()
      *
      *     @return tree walker, or null if jsObject is null
      *
      *     @see RhiDocument#createTreeWalker(Node,int,NodeFilter,boolean)
      */
    public static RhiTreeWalker wrapTreeWalker( RhiWindow window, JSObject jsObject )
    {
        if( jsObject == null ) return null;

        return new RhiTreeWalker( window, jsObject );
    }



    protected RhiTreeWalker( RhiWindow window, JSObject jsObject ) { super( window, jsObject ); }



   // - T r e e - W a l k e r ------------------------------------------------------------


    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Node firstChild() { throw new UnsupportedOperationException(); }


        /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
          */
        public Node lastChild() { throw new UnsupportedOperationException(); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Node getCurrentNode() { throw new UnsupportedOperationException(); }


        public void setCurrentNode( Node currentNode )
        {
            setMember( "currentNode", ((RhiNode)currentNode).jsObject() );
        }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public boolean getExpandEntityReferences() { throw new UnsupportedOperationException(); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public NodeFilter getFilter() { throw new UnsupportedOperationException(); }



    /** Untested.
      */
    public Node getRoot() { return RhiNode.wrapNode( window, (JSObject)getMemberV( "root" )); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public int getWhatToShow() { throw new UnsupportedOperationException(); }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Node parentNode() { throw new UnsupportedOperationException(); }



    public Node previousNode()
    {
        return RhiNode.wrapNode( window, (JSObject)call( "previousNode" ));
    }


        public Node nextNode()
        {
            return RhiNode.wrapNode( window, (JSObject)call( "nextNode" ));
        }



    /** Not yet coded.
      *
      *     @throws UnsupportedOperationException
      */
    public Node previousSibling() { throw new UnsupportedOperationException(); }


        /** Not yet coded.
          *
          *     @throws UnsupportedOperationException
          */
        public Node nextSibling() { throw new UnsupportedOperationException(); }



}