/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.css2.property;
import org.eclipse.jst.pagedesigner.IHTMLConstants;
import org.eclipse.jst.pagedesigner.css2.ICSSStyle;
import org.eclipse.jst.pagedesigner.css2.value.Length;
import org.eclipse.jst.pagedesigner.ui.preferences.PDPreferences;
import org.eclipse.jst.pagedesigner.utils.DOMUtil;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* @author mengbo
*/
public class PaddingWidthMeta extends LengthMeta {
private final PDPreferences _prefs;
/**
* Default constructor
* @param prefs
*/
public PaddingWidthMeta(final PDPreferences prefs)
{
super(false, ICSSPropertyID.VAL_AUTO);
_prefs = prefs;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.property.CSSPropertyMeta#calculateHTMLAttributeOverride(org.w3c.dom.Element,
* java.lang.String, java.lang.String,
* org.eclipse.jst.pagedesigner.css2.ICSSStyle)
*/
public Object calculateHTMLAttributeOverride(Element element,
String htmltag, String propertyName, ICSSStyle style) {
if (IHTMLConstants.TAG_TD.equalsIgnoreCase(htmltag)
|| IHTMLConstants.TAG_TH.equalsIgnoreCase(htmltag)) {
Node parent = element;
Element tableEle = null;
while ((parent = parent.getParentNode()) != null
&& parent instanceof Element) {
if (((Element) parent).getTagName().equalsIgnoreCase(
IHTMLConstants.TAG_TABLE)) {
tableEle = (Element) parent;
break;
}
}
if (tableEle != null)
{
int artificialCellPadding = _prefs.getCssArtificialCellPadding();
//TODO: Why is only cellpadding being checked? Why does this class even exist? What is difference with BorderWidthMeta?
String padding = DOMUtil.getAttributeIgnoreCase(tableEle,
"cellpadding");//$NON-NLS-1$
if (padding != null && padding.trim().length() > 0) {//fix for 200592
Object length = LengthMeta.toLength(padding, style, this
.getPercentageType(), getBaseFont(style));
if (length instanceof Length && ((Length)length).getValue() >= artificialCellPadding)
return length;
}
return new Length(artificialCellPadding, false);
}
}
return super.calculateHTMLAttributeOverride(element, htmltag,
propertyName, style);
}
}