/*
 * 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: 1.4 $ $Date: 2000/02/10 04:00:12 $

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

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

 * @see ElementImpl

 */

public final class HTMLTableElementImpl

    extends HTMLElementImpl

    implements HTMLTableElement

{

    

    

    public synchronized HTMLTableCaptionElement getCaption()

    {

        Node    child;

        

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableCaptionElement &&

                 child.getNodeName().equals( "CAPTION" ) )

                return (HTMLTableCaptionElement) child;

            child = child.getNextSibling();

        }

        return null;

    }

    

    

    public synchronized void setCaption( HTMLTableCaptionElement caption )

    {

        if ( caption != null && ! caption.getTagName().equals( "CAPTION" ) )

            throw new IllegalArgumentException( "HTM016 Argument 'caption' is not an element of type <CAPTION>." );

        deleteCaption();

        if ( caption != null )

            appendChild( caption );

    }

    

    

    public synchronized HTMLElement createCaption()

    {

        HTMLElement    section;

        

        section = getCaption();

        if ( section != null )

            return section;

        section = new HTMLTableSectionElementImpl( (HTMLDocumentImpl) getOwnerDocument(), "CAPTION" );

        appendChild( section );

        return section;

    }



  

    public synchronized void deleteCaption()

    {

        Node    old;

        

        old = getCaption();

        if ( old != null )

            removeChild ( old );

    }

    

    public synchronized HTMLTableSectionElement getTHead()

    {

        Node    child;

        

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableSectionElement &&

                 child.getNodeName().equals( "THEAD" ) )

                return (HTMLTableSectionElement) child;

            child = child.getNextSibling();

        }

        return null;

    }

    

    

    public synchronized void setTHead( HTMLTableSectionElement tHead )

    {

        if ( tHead != null && ! tHead.getTagName().equals( "THEAD" ) )

            throw new IllegalArgumentException( "HTM017 Argument 'tHead' is not an element of type <THEAD>." );

        deleteTHead();

        if ( tHead != null )

            appendChild( tHead );

    }

    

    

    public synchronized HTMLElement createTHead()

    {

        HTMLElement    section;

        

        section = getTHead();

        if ( section != null )

            return section;

        section = new HTMLTableSectionElementImpl( (HTMLDocumentImpl) getOwnerDocument(), "THEAD" );

        appendChild( section );

        return section;

    }



    

    public synchronized void deleteTHead()

    {

        Node    old;

        

        old = getTHead();

        if ( old != null )

            removeChild ( old );

    }

    

    public synchronized HTMLTableSectionElement getTFoot()

    {

        Node    child;

        

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableSectionElement &&

                 child.getNodeName().equals( "TFOOT" ) )

                return (HTMLTableSectionElement) child;

            child = child.getNextSibling();

        }

        return null;

    }

    

    

    public synchronized void setTFoot( HTMLTableSectionElement tFoot )

    {

        if ( tFoot != null && ! tFoot.getTagName().equals( "TFOOT" ) )

            throw new IllegalArgumentException( "HTM018 Argument 'tFoot' is not an element of type <TFOOT>." );

        deleteTFoot();

        if ( tFoot != null )

            appendChild( tFoot );

    }

    

    

    public synchronized HTMLElement createTFoot()

    {

        HTMLElement    section;

        

        section = getTFoot();

        if ( section != null )

            return section;

        section = new HTMLTableSectionElementImpl( (HTMLDocumentImpl) getOwnerDocument(), "TFOOT" );

        appendChild( section );

        return section;

    }



    

    public synchronized void deleteTFoot()

    {

        Node    old;

        

        old = getTFoot();

        if ( old != null )

            removeChild ( old );

    }

    

    public HTMLCollection getRows()

    {

        if ( _rows == null )

            _rows = new HTMLCollectionImpl( this, HTMLCollectionImpl.ROW );

        return _rows;

    }

    



    public HTMLCollection getTBodies()

    {

        if ( _bodies == null )

            _bodies = new HTMLCollectionImpl( this, HTMLCollectionImpl.TBODY );

        return _bodies;

    }

  

  

    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 getBorder()

    {

        return getAttribute( "border" );

    }

    

    

    public void setBorder( String border )

    {

        setAttribute( "border", border );

    }



    

    public String getCellPadding()

    {

        return getAttribute( "cellpadding" );

    }

    

    

    public void setCellPadding( String cellPadding )

    {

        setAttribute( "cellpadding", cellPadding );

    }

    

    

    public String getCellSpacing()

    {

        return getAttribute( "cellspacing" );

    }

    

    

    public void setCellSpacing( String cellSpacing )

    {

        setAttribute( "cellspacing", cellSpacing );

    }

    

    

    public String getFrame()

    {

        return capitalize( getAttribute( "frame" ) );

    }

    

    

    public void setFrame( String frame )

    {

        setAttribute( "frame", frame );

    }

    

    

    public String getRules()

    {

        return capitalize( getAttribute( "rules" ) );

    }

    

    

    public void setRules( String rules )

    {

        setAttribute( "rules", rules );

    }

    

    

    public String getSummary()

    {

        return getAttribute( "summary" );

    }

    

    

    public void setSummary( String summary )

    {

        setAttribute( "summary", summary );

    }



  

      public String getWidth()

    {

        return getAttribute( "width" );

    }

    

    

    public void setWidth( String width )

    {

        setAttribute( "width", width );

    }



    

    public HTMLElement insertRow( int index )

    {

        HTMLTableRowElementImpl    newRow;



        newRow = new HTMLTableRowElementImpl( (HTMLDocumentImpl) getOwnerDocument(), "TR" );

        //newRow.insertCell( 0 );

        insertRowX( index, newRow );

        return newRow;

    }

        

        

    void insertRowX( int index, HTMLTableRowElementImpl newRow )

    {

        Node    child;

        Node    lastSection = null;

                

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableRowElement )

            {

                if ( index == 0 )

                {

                    insertBefore( newRow, child );

                    return;

                }

            }

            else

            if ( child instanceof HTMLTableSectionElementImpl )

            {

                lastSection = child;

                index = ( (HTMLTableSectionElementImpl) child ).insertRowX( index, newRow );

                if ( index < 0 )

                    return;

            }

            child = child.getNextSibling();

        }

        if ( lastSection != null )

            lastSection.appendChild( newRow );

        else

            appendChild( newRow );

    }

    

    

    public synchronized void deleteRow( int index )

    {

        Node    child;

        

        child = getFirstChild();

        while ( child != null )

        {

            if ( child instanceof HTMLTableRowElement )

            {

                if ( index == 0 )

                {

                    removeChild ( child );

                    return;

                }

            }

            else

            if ( child instanceof HTMLTableSectionElementImpl )

            {

                index = ( (HTMLTableSectionElementImpl) child ).deleteRowX( index );

                if ( index < 0 )

                    return;

            }

            child = child.getNextSibling();

        }

    }



  

    /**

     * Constructor requires owner document.

     * 

     * @param owner The owner HTML document

     */

    public HTMLTableElementImpl( HTMLDocumentImpl owner, String name )

    {

        super( owner, name );

    }

    

  

    private HTMLCollectionImpl    _rows;

    

    

    private HTMLCollectionImpl    _bodies;

  

    

}



