htmltablerowelementimpl.java

用Java写的面相对象的数据库管理系统

/**
 * org/ozone-db/xml/dom/html/HTMLTableRowElementImpl.java
 *
 * The contents of this file are subject to the OpenXML Public
 * License Version 1.0; you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://www.openxml.org/license.html
 *
 * THIS SOFTWARE IS DISTRIBUTED ON AN "AS IS" BASIS WITHOUT WARRANTY
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED. THE INITIAL DEVELOPER
 * AND ALL CONTRIBUTORS SHALL NOT BE LIABLE FOR ANY DAMAGES AS A
 * RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING
 * RIGHTS AND LIMITATIONS UNDER THE LICENSE.
 *
 * The Initial Developer of this code under the License is Assaf Arkin.
 * Portions created by Assaf Arkin are Copyright (C) 1998, 1999.
 * All Rights Reserved.
 */


package org.ozoneDB.xml.dom.html;


import org.ozoneDB.xml.dom.*;
import org.w3c.dom.*;
import org.w3c.dom.html.*;


/**
 * @version $Revision: 1.3 $ $Date: 2000/10/28 16:55:25 $
 * @author <a href="mailto:[e-mail]">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, "TR" );
    }
    
    
    HTMLCollection _cells;
    
    
}