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Diffstat (limited to 'xmerge/java/org/openoffice/xmerge/merger/merge/PositionBaseRowMerge.java')
| -rw-r--r-- | xmerge/java/org/openoffice/xmerge/merger/merge/PositionBaseRowMerge.java | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/xmerge/java/org/openoffice/xmerge/merger/merge/PositionBaseRowMerge.java b/xmerge/java/org/openoffice/xmerge/merger/merge/PositionBaseRowMerge.java deleted file mode 100644 index 96bfa0c2b1d9..000000000000 --- a/xmerge/java/org/openoffice/xmerge/merger/merge/PositionBaseRowMerge.java +++ /dev/null @@ -1,267 +0,0 @@ -/************************************************************************ - * - * 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 java.util.List; - -import org.w3c.dom.Node; -import org.w3c.dom.Element; -import org.w3c.dom.Document; -import org.w3c.dom.NodeList; -import org.w3c.dom.NamedNodeMap; - -import org.openoffice.xmerge.ConverterCapabilities; -import org.openoffice.xmerge.merger.Difference; -import org.openoffice.xmerge.merger.Iterator; -import org.openoffice.xmerge.merger.DiffAlgorithm; -import org.openoffice.xmerge.merger.NodeMergeAlgorithm; -import org.openoffice.xmerge.merger.diff.CellNodeIterator; -import org.openoffice.xmerge.converter.xml.OfficeConstants; -import org.openoffice.xmerge.util.XmlUtil; -import org.openoffice.xmerge.util.Debug; - - -/** - * This is an implementation of the <code>NodeMergeAlgorithm</code> - * interface. It is used to merge two rows using a positional - * comparison base method. - */ -public final class PositionBaseRowMerge implements NodeMergeAlgorithm { - - /** The capabilities of this converter. */ - private ConverterCapabilities cc_; - - - /** - * Constructor. - * - * @param cc The <code>ConverterCapabilities</code>. - */ - public PositionBaseRowMerge(ConverterCapabilities cc) { - cc_ = cc; - } - - - public void merge(Node orgRow, Node modRow) { - - Iterator orgCells = new CellNodeIterator(cc_, orgRow); - Iterator modCells = new CellNodeIterator(cc_, modRow); - - mergeCellSequences(orgCells, modCells); - } - - - // used to compare the cell 1 by 1 - private void mergeCellSequences(Iterator orgSeq, Iterator modSeq) { - - int i, j; - boolean needMerge = true; - Element orgCell, modCell; - - Object orgSeqObject = orgSeq.start(); - Object modSeqObject = modSeq.start(); - - while (orgSeqObject != null) { - - - needMerge = true; - - if (modSeqObject == null) { - // no corresponding cell in the target, empty out the cell - SheetUtil.emptyCell(cc_, (Node)orgSeqObject); - orgSeqObject = orgSeq.next(); - - } else { - - // compare the cell directly - if (!orgSeq.equivalent(orgSeqObject, modSeqObject)) { - - orgCell = (Element)orgSeqObject; - modCell = (Element)modSeqObject; - - // check whether the original cell with multiple column - // if so, need to split one out for merge - String orgColRepeated = orgCell.getAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED); - String modColRepeated = modCell.getAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED); - - int orgColNum = 1; - int modColNum = 1; - - if (orgColRepeated.length() > 0) { - orgColNum = - Integer.valueOf(orgColRepeated).intValue(); - } - if (modColRepeated.length() > 0) { - modColNum = - Integer.valueOf(modColRepeated).intValue(); - } - - // try to find out the common number of repeated cols - if (orgColNum == modColNum) { - orgSeqObject = orgSeq.next(); - modSeqObject = modSeq.next(); - - // cut the original cell into 2 half, first half - // have the repeated attribute = modify cell attr - } else if (orgColNum > modColNum) { - Element orgSplitCell = splitColRepeatedCell( - orgCell, modColNum, - orgColNum - modColNum); - // it may equal after the split! - if (orgSeq.equivalent(orgSplitCell, modCell)) { - needMerge = false; - } - orgCell = orgSplitCell; - modSeqObject = modSeq.next(); - - // cut the modified cell into 2 half, first half - // have the repeated attribute = original cell attr - } else { - Element modSplitCell = splitColRepeatedCell( - modCell, orgColNum, - modColNum - orgColNum); - // it may equal after the split! - if (modSeq.equivalent(orgCell, modSplitCell)) { - needMerge = false; - } - modCell = modSplitCell; - orgSeqObject = orgSeq.next(); - } - - if (needMerge) { - mergeCells(orgCell, modCell); - } - - } else { - // cells are equivalent, move on to next one. - orgSeqObject = orgSeq.next(); - modSeqObject = modSeq.next(); - } // end if-else - } // end if-else - } // end while loop - - // get the one of the original cell, so that the cloned node - // can base it to find the document node - orgCell = (Element)orgSeq.start(); - - // add any extra cells to the original cell sequence. - for (; modSeqObject != null; modSeqObject = modSeq.next()) { - Node clonedNode = XmlUtil.deepClone(orgCell, (Node)modSeqObject); - Node parent = orgCell.getParentNode(); - parent.appendChild(clonedNode); - } - } - - - private Element splitColRepeatedCell(Element orgCell, - int splitNum, int orgNum) { - // NOTE: should we really want to do deep clone? - // in most the case, it is an empty cell, but the - // specification didn't forbid any node to use multiple - // column attributes. i.e. the node can contain text - // nodes or other things under it. - Element splitCell = (Element)(orgCell.cloneNode(true)); - - if (splitNum > 1) { - splitCell.setAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED, - String.valueOf(splitNum)); - } else if (splitNum == 1) { - splitCell.removeAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED); - } - if (orgNum > 1) { - orgCell.setAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED, - String.valueOf(orgNum)); - } else if (orgNum == 1) { - orgCell.removeAttribute( - OfficeConstants.ATTRIBUTE_TABLE_NUM_COLUMNS_REPEATED); - } - - Node parentNode = orgCell.getParentNode(); - parentNode.insertBefore(splitCell, orgCell); - - return splitCell; - } - - - private void mergeCells(Element orgCell, Element modCell) { - - // remove all the supported attributes and possible text child for - // string cells - SheetUtil.emptyCell(cc_, orgCell); - - // copy all the supported attributes and possible text child from - // the modified cell - NamedNodeMap attrNodes = modCell.getAttributes(); - - if (attrNodes != null) { - - // copy the first text:p node. As it's not necessary only string - // type cell can have a text:p section. - NodeList paraNodes = - modCell.getElementsByTagName(OfficeConstants.TAG_PARAGRAPH); - - Node firstParaNode = paraNodes.item(0); - - // try to clone the node - if (firstParaNode != null) { - - Node clonedNode = XmlUtil.deepClone(orgCell, firstParaNode); - - // insert as the first child of the original cell - Node firstChild = orgCell.getFirstChild(); - if (firstChild != null) { - orgCell.insertBefore(clonedNode, firstChild); - } else { - orgCell.appendChild(clonedNode); - } - } - - // check all the attributes and copy those we supported in - // converter - // NOTE: for attribute list, refer to section 4.7.2 in specification - int len = attrNodes.getLength(); - - for (int i = 0; i < len; i++) { - Node attr = attrNodes.item(i); - - // copy the supported attrs - if (cc_.canConvertAttribute(OfficeConstants.TAG_TABLE_CELL, - attr.getNodeName())) { - orgCell.setAttribute(attr.getNodeName(), - attr.getNodeValue()); - } - } - } - } -} - |