/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999,2000 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.html.dom;





import org.w3c.dom.*;

import org.w3c.dom.html.*;





/**

 * @version $Revision: 1.2 $ $Date: 2000/02/10 04:00:11 $

 * @author <a href="mailto:arkin@openxml.org">Assaf Arkin</a>

 * @see org.w3c.dom.html.HTMLOptionElement

 * @see ElementImpl

 */

public final class HTMLOptionElementImpl

    extends HTMLElementImpl

    implements HTMLOptionElement

{



    



    public boolean getDefaultSelected()

    {

        // ! NOT FULLY IMPLEMENTED !

        return getBinary( "default-selected" );

    }

    

    

    public void setDefaultSelected( boolean defaultSelected )

    {

        // ! NOT FULLY IMPLEMENTED !

        setAttribute( "default-selected", defaultSelected );

    }



  

    public String getText()

    {

        Node    child;

        String    text;

        

        // Find the Text nodes contained within this element and return their

        // concatenated value. Required to go around comments, entities, etc.

        child = getFirstChild();

        text = "";

        while ( child != null )

        {

            if ( child instanceof Text )

                text = text + ( (Text) child ).getData();

            child = child.getNextSibling();

        }

        return text;

    }

    

    

    public void setText( String text )

    {

        Node    child;

        Node    next;

        

        // Delete all the nodes and replace them with a single Text node.

        // This is the only approach that can handle comments and other nodes.

        child = getFirstChild();

        while ( child != null )

        {

            next = child.getNextSibling();

            removeChild( child );

            child = next;

        }

        insertBefore( getOwnerDocument().createTextNode( text ), getFirstChild() );

    }

    

    

    public int getIndex()

    {

        Node        parent;

        NodeList    options;

        int            i;

        

        // Locate the parent SELECT. Note that this OPTION might be inside a

        // OPTGROUP inside the SELECT. Or it might not have a parent SELECT.

        // Everything is possible. If no parent is found, return -1.

        parent = getParentNode();

        while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )

            parent = parent.getParentNode();

        if ( parent != null )

        {

            // Use getElementsByTagName() which creates a snapshot of all the

            // OPTION elements under the SELECT. Access to the returned NodeList

            // is very fast and the snapshot solves many synchronization problems.

            options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );

            for ( i = 0 ; i < options.getLength() ; ++i )

                if ( options.item( i ) == this )

                    return i;

        }

        return -1;

    }

    

    

    public void setIndex( int index )

    {

        Node        parent;

        NodeList    options;

        Node        item;

        

        // Locate the parent SELECT. Note that this OPTION might be inside a

        // OPTGROUP inside the SELECT. Or it might not have a parent SELECT.

        // Everything is possible. If no parent is found, just return.

        parent = getParentNode();

        while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )

            parent = parent.getParentNode();

        if ( parent != null )

        {

            // Use getElementsByTagName() which creates a snapshot of all the

            // OPTION elements under the SELECT. Access to the returned NodeList

            // is very fast and the snapshot solves many synchronization problems.

            // Make sure this OPTION is not replacing itself.

            options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );

            if ( options.item( index ) != this )

            {

                // Remove this OPTION from its parent. Place this OPTION right

                // before indexed OPTION underneath it's direct parent (might

                // be an OPTGROUP).

                getParentNode().removeChild( this );

                item = options.item( index );

                item.getParentNode().insertBefore( this, item );

            }

        }

    }

  

  

    public boolean getDisabled()

    {

        return getBinary( "disabled" );

    }

    

    

    public void setDisabled( boolean disabled )

    {

        setAttribute( "disabled", disabled );

    }



    

      public String getLabel()

    {

        return capitalize( getAttribute( "label" ) );

    }

    

    

    public void setLabel( String label )

    {

        setAttribute( "label", label );

    }



    

    public boolean getSelected()

    {

        return getBinary( "selected" );

    }

  

  

    public void setSelected( boolean selected )

    {

        setAttribute( "selected", selected );

    }

    

        

    public String getValue()

    {

        return getAttribute( "value" );

    }

    

    

    public void setValue( String value )

    {

        setAttribute( "value", value );

    }



    

    /**

     * Constructor requires owner document.

     * 

     * @param owner The owner HTML document

     */

    public HTMLOptionElementImpl( HTMLDocumentImpl owner, String name )

    {

        super( owner, name );

    }





}



