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package de.lmu.ifi.dbs.elki.visualization.batikutil;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.w3c.dom.Element;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot;
/**
* Runnable wrapper to replace all children of a given node.
*
* @author Erich Schubert
*
*/
public class NodeReplaceChild extends NodeAppendChild {
/**
* Trivial constructor.
*
* @param parent will become the parent of the appended Element.
* @param child the Element to be appended.
*/
public NodeReplaceChild(Element parent, Element child) {
super(parent, child, null, null);
}
/**
* Full constructor.
*
* @param parent Parent node to append the child to
* @param child Child element
* @param plot Plot to register the ID (may be {@code null})
* @param id ID to register (may be {@code null}, requires plot to be given)
*/
public NodeReplaceChild(Element parent, Element child, SVGPlot plot, String id) {
super(parent, child, plot, id);
}
@Override
public void run() {
// remove all existing children.
while (parent.hasChildNodes()) {
parent.removeChild(parent.getFirstChild());
}
super.run();
}
}
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