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/************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
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;
import org.openoffice.xmerge.util.Debug;
/**
* 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
* examing 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();
Node child;
// 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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