/*******************************************************************************
* Copyright (c) 2008, 2015 Angelo Zerr 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:
* Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
* EclipseSource - revision
* IBM Corporation - ongoing development
*******************************************************************************/
package org.eclipse.e4.ui.css.core.impl.dom;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.e4.ui.css.core.dom.CSSProperty;
import org.eclipse.e4.ui.css.core.dom.CSSPropertyList;
import org.w3c.dom.css.CSSStyleDeclaration;
/**
* CSS computed style which concatenate list of CSSComputedStyleImpl to manage
* styles coming from Condition Selector (ex : Label#MyId) and other selectors
* (ex : Label).
*/
public class CSSComputedStyleImpl extends CSSStyleDeclarationImpl implements CSSStyleDeclaration {
private List<StyleWrapper> styleRules;
public CSSComputedStyleImpl(List<StyleWrapper> styleRules) {
super(null);
this.styleRules = styleRules;
// TODO [rst] Optimize: A list of StyleWrapper instances could be sorted
// only once after reading the stylesheet(s).
Collections.sort( this.styleRules, StyleWrapper.COMPARATOR );
Iterator<StyleWrapper> iterator = this.styleRules.iterator();
while (iterator.hasNext()) {
StyleWrapper styleWrapper = iterator.next();
addCSSPropertyList(((CSSStyleDeclarationImpl) styleWrapper.style).getCSSPropertyList());
}
}
private void addCSSPropertyList(CSSPropertyList properties) {
int length = properties.getLength();
for (int i = 0; i < length; i++) {
CSSProperty property = properties.item(i);
super.removeProperty(property.getName());
super.addProperty(property);
}
}
}