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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package org.openoffice.xmerge.merger.merge;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.openoffice.xmerge.ConverterCapabilities;
import org.openoffice.xmerge.merger.NodeMergeAlgorithm;
/**
* This class extends the <code>DocumentMerge</code> class.
* This class will merge two spreadsheet documents.
* The main difference between this implementation and
* <code>DocumentMerge</code>
* is that this merge will try to maintain unsupported features by
* examining the cell <code>node</code> objects one by one when it
* removes a node from the original <code>Iterator</code>.
*
* @author smak
*/
public final class SheetMerge extends DocumentMerge {
/**
* Constructor.
*
* @param cc The <code>ConverterCapabilities</code>.
* @param merge The <code>NodeMergeAlgorithm</code>.
*/
public SheetMerge(ConverterCapabilities cc, NodeMergeAlgorithm merge) {
super(cc, merge);
}
/**
* Remove specified <code>Node</code>.
*
* @param node <code>Node</code> to remove.
*/
protected void removeNode(Node node) {
clearRow(node);
}
/**
* Clear the row corresponding to the <code>Node</code>
*
* @param node <code>Node</code> containing the row to clear.
*/
private void clearRow(Node node) {
NodeList children = node.getChildNodes();
int numOfChildren = children.getLength();
// clear all the cells under the row node but maintain any unsupported
// features
// TODO: we can actually check anything left after the clear up.
// if there is nothing left, then we can even delete the cell nodes
for (int i = 0; i < numOfChildren; i++) {
SheetUtil.emptyCell(cc_, children.item(i));
}
}
}
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