/*
 * 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.
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 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 *
 * 5. Products derived from this software may not be called "Apache",
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 *
 * 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
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * 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 04:00:12 $

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

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

 * @see ElementImpl

 */

public final class HTMLTableRowElementImpl

    extends HTMLElementImpl

    implements HTMLTableRowElement

{



    

    public int getRowIndex()

    {

        Node    parent;

        

        parent = getParentNode();

        if ( parent instanceof HTMLTableSectionElement )

            parent = parent.getParentNode();

        if ( parent instanceof HTMLTableElement )

            return getRowIndex( parent );;

        return -1;

    }

    

    

    public void setRowIndex( int rowIndex )

    {

        Node    parent;

        

        parent = getParentNode();

        if ( parent instanceof HTMLTableSectionElement )

            parent = parent.getParentNode();

        if ( parent instanceof HTMLTableElement )

            ( (HTMLTableElementImpl) parent ).insertRowX( rowIndex, this );

    }



  

    public int getSectionRowIndex()

    {

        Node    parent;

        

        parent = getParentNode();

        if ( parent instanceof HTMLTableSectionElement )

            return getRowIndex( parent );

        else

            return -1;

    }

    

    

    public void setSectionRowIndex( int sectionRowIndex )

    {

        Node    parent;

        

        parent = getParentNode();

        if ( parent instanceof HTMLTableSectionElement )

            ( (HTMLTableSectionElementImpl) parent ).insertRowX( sectionRowIndex, this );

    }

  

  

    int getRowIndex( Node parent )

    {

        NodeList    rows;

        int            i;

        

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

        // TR elements under the TABLE/section. Access to the returned NodeList

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

        rows = ( (HTMLElement) parent ).getElementsByTagName( "TR" );

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

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

                return i;

        return -1;

    }



  

    public HTMLCollection  getCells()

    {

        if ( _cells == null )

            _cells = new HTMLCollectionImpl( this, HTMLCollectionImpl.CELL );

        return _cells;

    }

    

    

    public void setCells( HTMLCollection cells )

    {

        Node    child;

        int        i;

        

        child = getFirstChild();

        while ( child != null )

        {

            removeChild( child );

            child = child.getNextSibling();

        }

        i = 0;

        child = cells.item( i );

        while ( child != null )

        {

            appendChild ( child );

            ++i;

            child = cells.item( i );

        }

    }



  

    public HTMLElement insertCell( int index )

    {

        Node        child;

        HTMLElement    newCell;

        

        newCell = new HTMLTableCellElementImpl( (HTMLDocumentImpl) getOwnerDocument(), "TD" );

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableCellElement )

            {

                if ( index == 0 )

                {

                    insertBefore( newCell, child );

                    return newCell;

                }

                --index;

            }

            child = child.getNextSibling();

        }

        appendChild( newCell );

        return newCell;

    }

    

    

    public void deleteCell( int index )

    {

        Node    child;

        

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableCellElement )

            {

                if ( index == 0 )

                {

                    removeChild ( child );

                    return;

                }

                --index;

            }

            child = child.getNextSibling();

        }

    }



  

    public String getAlign()

    {

        return capitalize( getAttribute( "align" ) );

    }

    

    

    public void setAlign( String align )

    {

        setAttribute( "align", align );

    }



    

    public String getBgColor()

    {

        return getAttribute( "bgcolor" );

    }

    

    

    public void setBgColor( String bgColor )

    {

        setAttribute( "bgcolor", bgColor );

    }



  

    public String getCh()

    {

        String    ch;

        

        // Make sure that the access key is a single character.

        ch = getAttribute( "char" );

        if ( ch != null && ch.length() > 1 )

            ch = ch.substring( 0, 1 );

        return ch;

    }

    

    

    public void setCh( String ch )

    {

        // Make sure that the access key is a single character.

        if ( ch != null && ch.length() > 1 )

            ch = ch.substring( 0, 1 );

        setAttribute( "char", ch );

    }



    

    public String getChOff()

    {

        return getAttribute( "charoff" );

    }

    

    

    public void setChOff( String chOff )

    {

        setAttribute( "charoff", chOff );

    }

  

  

    public String getVAlign()

    {

        return capitalize( getAttribute( "valign" ) );

    }

    

    

    public void setVAlign( String vAlign )

    {

        setAttribute( "valign", vAlign );

    }



    

      /**

     * Constructor requires owner document.

     * 

     * @param owner The owner HTML document

     */

    public HTMLTableRowElementImpl( HTMLDocumentImpl owner, String name )

    {

        super( owner, name );

    }

  

  

    HTMLCollection    _cells;



  

}



