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/*******************************************************************************
* Copyright (c) 2006, 2007 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.css2.marker;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author mengbo
*/
public abstract class EnumerableCounter implements ICounter {
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.list.ICounter#getNextObject(org.w3c.dom.Element,
* java.lang.String)
*/
public final Object getNextObject(Element element, int type) {
int index = calculateIndex(element);
return getNextString(index, type);
}
/**
* @param element
* @return the index of the element in its parent
*/
public final int calculateIndex(Element element) {
final String tag = element.getLocalName();
final Node parent = element.getParentNode();
final NodeList children = parent.getChildNodes();
int index = 1;
for (int i = 0; i < children.getLength(); i++) {
final Node child = children.item(i);
if (child == element) {
break;
}
if (child.getLocalName().equalsIgnoreCase(tag)) {
index++;
}
}
return index;
}
/**
* @param index
* @param type
* @return the string for the next index
*/
public abstract String getNextString(int index, int type);
}
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