/*******************************************************************************
* 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.utils.DOMUtil;
import org.w3c.dom.Element;
import org.w3c.dom.css.CSSValue;
import org.w3c.dom.css.CSSValueList;
/**
* The value will always be of type int[2]
*
* @author mengbo
*/
public class BorderSpacingMeta extends CSSPropertyMeta {
private static final int[] INITIAL_SPACING = new int[] { 3, 3 };
/**
*/
public BorderSpacingMeta() {
// the specification says "border-spacing" is inherited. But seemed
// browse is not treating it as inherited. So we treat is as not
// inherited.
super(false, INITIAL_SPACING);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.property.CSSPropertyMeta#getKeywordValues()
*/
protected String[] getKeywordValues() {
return EMPTY_KEYWORDS;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.property.CSSPropertyMeta#calculateCSSValueResult(org.w3c.dom.css.CSSValue,
* java.lang.String,
* org.eclipse.jst.pagedesigner.css2.style.AbstractStyle)
*/
public Object calculateCSSValueResult(CSSValue value, String propertyName,
ICSSStyle style) {
if (value == null || value.getCssValueType() == CSSValue.CSS_CUSTOM) {
return INITIAL_SPACING;
}
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
int intvalue = toIntValue(value.getCssText(), style);
if (intvalue >= 0) {
return new int[] { intvalue, intvalue };
}
return INITIAL_SPACING;
} else if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
CSSValueList list = (CSSValueList) value;
if (list.getLength() >= 2) {
int i1 = toIntValue(list.item(0).getCssText(), style);
int i2 = toIntValue(list.item(1).getCssText(), style);
if (i1 < 0) {
i1 = 0;
}
if (i2 < 0) {
i2 = 0;
}
return new int[] { i1, i2 };
}
return INITIAL_SPACING;
} else {
return INITIAL_SPACING;
}
}
/*
* (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_TABLE.equalsIgnoreCase(htmltag)) {
String spacing = DOMUtil.getAttributeIgnoreCase(element,
IHTMLConstants.ATTR_CELLSPACING);
if (spacing != null) {
int intvalue = toIntValue(spacing, style);
if (intvalue >= 0) {
return new int[] { intvalue, intvalue };
}
}
}
return super.calculateHTMLAttributeOverride(element, htmltag,
propertyName, style);
}
/**
* @param valuetext
* @param style
* @return the integer value for value text
*/
protected int toIntValue(String valuetext, ICSSStyle style) {
Object length = LengthMeta.toLength(valuetext, style, PERCENTAGE_NONE,
style.getCSSFont());
if (length instanceof Length && !((Length) length).isPercentage()) {
return ((Length) length).getValue();
}
return Integer.MIN_VALUE;
}
}