669 lines
21 KiB
Java
669 lines
21 KiB
Java
package writer2latex.xhtml;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import writer2latex.office.OfficeReader;
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import writer2latex.office.StyleWithProperties;
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import static writer2latex.office.XMLString.*;
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import writer2latex.util.Misc;
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public class PageSplitter {
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static Node truncatedListItemNodeContent = null;
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static OfficeReader officeReader = null;
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protected static Node splitSoftPageBreak(Node onode,OfficeReader ofr){
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//Find par node with soft page break inside and split it
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officeReader = ofr;
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Document document = onode.getOwnerDocument();
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Element softPageBreak = document.createElement(TEXT_SOFT_PAGE_BREAK);
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NodeList nodes = onode.getChildNodes();
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int i = 0;
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//Loop through the content nodes and split nodes with soft page break
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while (i < nodes.getLength()){
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Node child = nodes.item(i);
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//System.out.println("splitSoftPageBreak ");
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//Necessary check if node is an Element
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if (containsSPB(child)){
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String nodeName = child.getNodeName();
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//Create Duplicate Node!
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Element childFirstPart = (Element) child.cloneNode(false);
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StyleWithProperties style = null;
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if ((nodeName.equals(TEXT_P) || nodeName.equals(TEXT_H))) {
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//If SPB not the first node
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Node paraFirstPart = handleParagraph(child);
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if (paraFirstPart != null){
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onode.insertBefore(paraFirstPart, child);
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style = ofr.getParStyle(Misc.getAttribute(child, TEXT_STYLE_NAME));
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}
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} else if (nodeName.equals(TABLE_TABLE)) {
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if (handleTableTable(childFirstPart, child)){
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onode.insertBefore(childFirstPart, child);
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style = ofr.getTableStyle(Misc.getAttribute(child, TABLE_STYLE_NAME));
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}
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} else if (nodeName.equals(TEXT_LIST)) {
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if (handleList(childFirstPart, child)){
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onode.insertBefore(childFirstPart, child);
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}
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} else if (nodeName.equals(TEXT_SECTION)) {
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if (handleSection(childFirstPart, child)){
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onode.insertBefore(childFirstPart, child);
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style = ofr.getSectionStyle(Misc.getAttribute(child, TEXT_SECTION));
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}
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} else if (nodeName.equals(TEXT_TABLE_OF_CONTENT)){
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//HACK
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containsSPB(childFirstPart);
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i++;
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continue;
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} else if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)){
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//HACK
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i++;
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continue;
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}
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//TODO: IF fo:break before in original table - don't create SPB
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if (style == null || !"page".equals(style.getProperty(FO_BREAK_BEFORE))){
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onode.insertBefore(softPageBreak.cloneNode(false), child);
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}
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//HACK!
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if (truncatedListItemNodeContent != null){
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NodeList itemNodeList= truncatedListItemNodeContent.getChildNodes();
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while (itemNodeList.getLength() > 0){
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onode.insertBefore(itemNodeList.item(0), child);
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}
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truncatedListItemNodeContent.getParentNode().removeChild(truncatedListItemNodeContent);
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truncatedListItemNodeContent = null;
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}
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if (!child.hasChildNodes()){
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onode.removeChild(child);
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}
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continue;
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}
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i++;
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}
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return onode;
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}
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private static boolean handleList(Node listFirstPart, Node list){
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NodeList listNodes = list.getChildNodes();
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int i = 0;
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boolean dataMoved = false;
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while (listNodes.getLength() > i) {
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Node listChild = listNodes.item(i);
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if(listChild.getNodeType() == Node.ELEMENT_NODE){
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String nodeName = listChild.getNodeName();
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if (nodeName.equals(TEXT_LIST_HEADER)) {
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if(containsSPB(listChild)){
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//Remove inner SPB
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removeSPB(listChild);
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//HACK :(
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break;
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}
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listFirstPart.appendChild(listChild.cloneNode(true));
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//Get next element
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i++;
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} else if (nodeName.equals(TEXT_LIST_ITEM)) {
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if (containsSPB(listChild)){
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Node listItemFirstPart = listChild.cloneNode(false);
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//remove SPB, move previous nodes to firstPart.
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if (handleListItem(listItemFirstPart,listChild)){
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dataMoved = true;
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//Add first part of list item to previous list item
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listFirstPart.appendChild(listItemFirstPart);
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//Get list parent node and move cutted node
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//After First Part and SPB but before this list;
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//TODO!!!!!!!!!!
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truncatedListItemNodeContent = listChild;
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listFirstPart.getParentNode();
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//If List item is empty - remove it
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if (!listChild.hasChildNodes()){
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list.removeChild(listChild);
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}
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}
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//Add text:continue-numbering="true"
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if (dataMoved){
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((Element) list).setAttribute(TEXT_CONTINUE_NUMBERING, "true");
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}
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break;
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} else {
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// Not with SPB yet, move node, set dataMoved=true
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listFirstPart.appendChild(listChild);
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dataMoved = true;
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}
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}
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}
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}
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return dataMoved;
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}
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//If SPB before first item - return false, remove SPB
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//Otherwise add childNodes before SPB to firstPart, return true
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private static boolean handleListItem(Node listItemFirstPart, Node listItem){
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int i = 0;
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boolean dataMoved = false;
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NodeList listItemNodes = listItem.getChildNodes();
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while(listItemNodes.getLength() > i){
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Node listItemChild = listItemNodes.item(i);
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if(listItemChild.getNodeType() == Node.ELEMENT_NODE){
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//Node name
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String nodeName = listItemChild.getNodeName();
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if (containsSPB(listItemChild)){
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Node listItemChildFirstPart = listItemChild.cloneNode(false);
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//Break if SPB
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if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)) {
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//Remove SPB.Return result
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listItem.removeChild(listItemChild);
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} else if (nodeName.equals(TEXT_LIST)) {
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if (handleList(listItemChildFirstPart, listItemChild)){
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listItemFirstPart.appendChild(listItemChildFirstPart);
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dataMoved=true;
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}
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} else if (nodeName.equals(TEXT_H) || nodeName.equals(TEXT_P)) {
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Node paraFirstPart = handleParagraph(listItemChild);
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if (paraFirstPart != null){
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listItemFirstPart.appendChild(paraFirstPart);
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dataMoved=true;
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}
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}
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break;
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//Move to first part
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} else {
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listItemFirstPart.appendChild(listItemChild);
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dataMoved = true;
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}
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} else {
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listItemFirstPart.appendChild(listItemChild);
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dataMoved = true;
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}
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//check internal nodes
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}
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return dataMoved;
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}
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//Needs finish
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private static boolean handleTableTable(Node tableFirstPart, Node table) {
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/*
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* // TODO: 0.Test if soft-page-break not at start of table // - in that
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* case just remove it and insert before table // 1.Create new table //
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* 2.Copy to it table:table-column's and // table:table-header-rows //
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* 3.Move nodes before soft-page-break to new table //4. IF in one
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* table:row exist more one Algorithm IF SPB at start - just move it
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* higher IF SPB between rows - just copy table move row and put SPB
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* between tables IF SPB inside row, inside cell - copy table, copy
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* empty row, copy each empty cell and in each cell move every node up
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* to the first SPB
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*
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*
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*/
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NodeList tableChildNodes = table.getChildNodes();
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// Node counter
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int i = 0;
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boolean dataMoved = false;
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// Loop through the TABLE:TABLE child nodes
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while (tableChildNodes.getLength() > i) {
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Node tableChildNode = tableChildNodes.item(i);
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if (tableChildNode.getNodeType() == Node.ELEMENT_NODE) {
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//Node name
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String tableChildNodeName = tableChildNode.getNodeName();
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//System.out.println("Table child node " + tableChildNodeName);
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if (containsSPB(tableChildNode)){
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Node tableChildFirstPart = tableChildNode.cloneNode(false);
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if (tableChildNodeName.equals(TEXT_SOFT_PAGE_BREAK)) {
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// remove inner soft page break node
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table.removeChild(tableChildNode);
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} else if (tableChildNodeName.equals(TABLE_TABLE_ROW_GROUP)) {
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if (handleTableRowGroup(tableChildFirstPart, tableChildNode)){
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dataMoved = true;
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tableFirstPart.appendChild(tableChildFirstPart);
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}
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} else if ( tableChildNodeName.equals(TABLE_TABLE_ROWS)) {
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if (handleTableRows(tableChildFirstPart, tableChildNode)){
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dataMoved = true;
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tableFirstPart.appendChild(tableChildFirstPart);
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}
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} else if ( tableChildNodeName.equals(TABLE_TABLE_ROW)) {
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if (handleTableRow(tableChildFirstPart, tableChildNode)){
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dataMoved = true;
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tableFirstPart.appendChild(tableChildFirstPart);
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}
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} else if (tableChildNodeName.equals(TABLE_TABLE_COLUMN)
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|| tableChildNodeName.equals(TABLE_TABLE_COLUMN_GROUP)
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|| tableChildNodeName.equals(TABLE_TABLE_HEADER_ROWS)
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|| tableChildNodeName.equals(TABLE_TABLE_HEADER_COLUMNS)) {
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//Remove Soft Page Break
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removeSPB(tableChildNode);
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}
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break;
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} else {
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//Before SPB
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//Description nodes
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if (tableChildNodeName.equals(TABLE_TABLE_COLUMN)
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|| tableChildNodeName.equals(TABLE_TABLE_COLUMN_GROUP)
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|| tableChildNodeName.equals(TABLE_TABLE_HEADER_ROWS)
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|| tableChildNodeName.equals(TABLE_TABLE_HEADER_COLUMNS)) {
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//Append to clone table
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tableFirstPart.appendChild(tableChildNode.cloneNode(true));
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//increment counter
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i++;
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} else {
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//Append to clone table
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tableFirstPart.appendChild(tableChildNode);
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dataMoved = true;
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}
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}
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}
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}
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return dataMoved;
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}
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private static boolean handleTableRowGroup(Node tableRowGroupFistPart, Node tableRowGroup) {
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boolean dataMoved = false;
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// Node counter
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int i = 0;
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NodeList tableRowGroupChildNodes = tableRowGroup.getChildNodes();
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while (tableRowGroupChildNodes.getLength() > i) {
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Node tableRowGroupChildNode = tableRowGroupChildNodes.item(0);
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if ((tableRowGroupChildNode.getNodeType() == Node.ELEMENT_NODE)) {
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String nodeName = tableRowGroupChildNode.getNodeName();
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if (containsSPB(tableRowGroupChildNode)){
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Node tableRowGroupChildFirstPart = tableRowGroupChildNode.cloneNode(false);
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if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)){
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// remove inner soft page break node
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tableRowGroup.removeChild(tableRowGroupChildNode);
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} else if (nodeName.equals(TABLE_TABLE_HEADER_ROWS)){
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//Nothing IF table-header-rows found - it is description node,
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//Not needed to set dataMoved = true, not needed to append First part
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} else if (nodeName.equals(TABLE_TABLE_ROW)){
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if (handleTableRow(tableRowGroupChildFirstPart, tableRowGroupChildNode)){
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dataMoved = true;
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tableRowGroupFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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} else if (nodeName.equals(TABLE_TABLE_ROW_GROUP)){
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if (handleTableRowGroup(tableRowGroupChildFirstPart, tableRowGroupChildNode)){
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dataMoved = true;
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tableRowGroupFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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} else if (nodeName.equals(TABLE_TABLE_ROWS)){
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if (handleTableRows(tableRowGroupChildFirstPart, tableRowGroupChildNode)){
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dataMoved = true;
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tableRowGroupFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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}
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break;
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} else {
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if (nodeName.equals(TABLE_TABLE_HEADER_ROWS)){
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tableRowGroupFistPart.appendChild(tableRowGroupChildNode.cloneNode(true));
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//increment counter
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i++;
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} else {
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tableRowGroupFistPart.appendChild(tableRowGroupChildNode);
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dataMoved = true;
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}
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}
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} else {
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//Append text nodes
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tableRowGroupFistPart.appendChild(tableRowGroupChildNode);
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dataMoved = true;
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}
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}
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return dataMoved;
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}
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private static boolean handleTableRows(Node tableRowsFistPart, Node tableRows) {
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boolean dataMoved = false;
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// Node counter
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int i = 0;
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NodeList tableRowsChildNodes = tableRows.getChildNodes();
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while (tableRowsChildNodes.getLength() > i) {
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Node tableRowsChildNode = tableRowsChildNodes.item(0);
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if ((tableRowsChildNode.getNodeType() == Node.ELEMENT_NODE)) {
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String nodeName = tableRowsChildNode.getNodeName();
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if (containsSPB(tableRowsChildNode)){
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Node tableRowGroupChildFirstPart = tableRowsChildNode.cloneNode(false);
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if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)){
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// remove inner soft page break node
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tableRows.removeChild(tableRowsChildNode);
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} else if (nodeName.equals(TABLE_TABLE_ROW)){
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if (handleTableRow(tableRowGroupChildFirstPart, tableRowsChildNode)){
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dataMoved = true;
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tableRowsFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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}
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break;
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} else {
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tableRowsFistPart.appendChild(tableRowsChildNode);
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dataMoved = true;
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}
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} else {
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System.out.println("ERROR: TEXT NODE FOUND INSIDE tabl:table-rows");
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//Append text nodes
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//tableRowsFistPart.appendChild(tableRowsChildNode);
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//dataMoved = true;
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}
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}
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return dataMoved;
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}
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private static boolean handleTableRow(Node tableRowFistPart, Node tableRow) {
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boolean dataMoved = false;
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// Node counter
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int i = 0;
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NodeList tableRowChildNodes = tableRow.getChildNodes();
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while (tableRowChildNodes.getLength() > i) {
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Node tableRowChildNode = tableRowChildNodes.item(i);
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if ((tableRowChildNode.getNodeType() == Node.ELEMENT_NODE)) {
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String nodeName = tableRowChildNode.getNodeName();
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if (containsSPB(tableRowChildNode)){
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Node tableRowGroupChildFirstPart = tableRowChildNode.cloneNode(false);
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if (nodeName.equals(TABLE_TABLE_CELL)){
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if (handleCell(tableRowGroupChildFirstPart, tableRowChildNode)){
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dataMoved = true;
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tableRowFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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} else if (nodeName.equals(TABLE_COVERED_TABLE_CELL)){
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//Implement handleCoveredCell in future
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if (handleCell(tableRowGroupChildFirstPart, tableRowChildNode)){
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dataMoved = true;
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tableRowFistPart.appendChild(tableRowGroupChildFirstPart);
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}
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}
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} else {
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//System.out.println("HERE " + nodeName);
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//Move node without SPB above
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tableRowFistPart.appendChild(tableRowChildNode.cloneNode(true));
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Node emptyCell = tableRowChildNode.cloneNode(false);
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Document document = tableRow.getOwnerDocument();
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Element textP = document.createElement(TEXT_P);
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emptyCell.appendChild(textP);
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tableRow.insertBefore(emptyCell, tableRowChildNode);
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tableRow.removeChild(tableRowChildNode);
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dataMoved = true;
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}
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i++;
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} else {
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System.out.println("ERROR: TEXT NODE FOUND INSIDE tabl:table-row");
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//Append text nodes
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//tableRowsFistPart.appendChild(tableRowsChildNode);
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//dataMoved = true;
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}
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}
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return dataMoved;
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}
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private static boolean handleCell(Node cellFirstPart, Node cellNode) {
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boolean dataMoved = false;
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// Node counter
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int i = 0;
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NodeList cellChildNodes = cellNode.getChildNodes();
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while (cellChildNodes.getLength() > i) {
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Node cellChildNode = cellChildNodes.item(0);
|
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if ((cellChildNode.getNodeType() == Node.ELEMENT_NODE)) {
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String nodeName = cellChildNode.getNodeName();
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if (containsSPB(cellChildNode)){
|
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if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)){
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// remove inner soft page break node
|
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cellNode.removeChild(cellChildNode);
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} else if (nodeName.equals(TEXT_H) || nodeName.equals(TEXT_P)) {
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Node paraFirstPart = handleParagraph(cellChildNode);
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if (paraFirstPart != null){
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cellFirstPart.appendChild(paraFirstPart);
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dataMoved=true;
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}
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}
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break;
|
||
} else {
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||
cellFirstPart.appendChild(cellChildNode);
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dataMoved = true;
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}
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} else {
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//Append text nodes
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cellFirstPart.appendChild(cellChildNode);
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dataMoved = true;
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}
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}
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return dataMoved;
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}
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private static boolean handleSection(Node sectionFirstPart, Node section) {
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boolean dataMoved = false;
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// Node counter
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int i = 0;
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NodeList childs = section.getChildNodes();
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||
while (childs.getLength() > i) {
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Node child = childs.item(0);
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if ((child.getNodeType() == Node.ELEMENT_NODE)) {
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String nodeName = child.getNodeName();
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if (containsSPB(child)){
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Node childFirstPart = child.cloneNode(false);
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if (nodeName.equals(TEXT_SOFT_PAGE_BREAK)){
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// remove inner soft page break node
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section.removeChild(child);
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} else if (nodeName.equals(TEXT_H) || nodeName.equals(TEXT_P)) {
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Node paraFirstPart = handleParagraph(child);
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if (paraFirstPart != null){
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||
sectionFirstPart.appendChild(paraFirstPart);
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||
dataMoved=true;
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||
}
|
||
} else if (nodeName.equals(TEXT_TABLE_OF_CONTENT)) {
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||
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||
//HACK
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||
removeSPB(section);
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||
i++;
|
||
continue;
|
||
} else if (nodeName.equals(TABLE_TABLE)) {
|
||
if (handleTableTable(childFirstPart, child)){
|
||
sectionFirstPart.appendChild(childFirstPart);
|
||
dataMoved=true;
|
||
}
|
||
} else if (nodeName.equals(TEXT_SECTION)) {
|
||
if (handleSection(childFirstPart, child)){
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||
sectionFirstPart.appendChild(childFirstPart);
|
||
dataMoved=true;
|
||
}
|
||
} else if (nodeName.equals(TEXT_LIST)) {
|
||
if (handleList(childFirstPart, child)){
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||
sectionFirstPart.appendChild(childFirstPart);
|
||
dataMoved=true;
|
||
}
|
||
}
|
||
//split node with spb and exit
|
||
break;
|
||
} else {
|
||
sectionFirstPart.appendChild(child);
|
||
dataMoved = true;
|
||
}
|
||
} else {
|
||
//Append text nodes
|
||
sectionFirstPart.appendChild(child);
|
||
dataMoved = true;
|
||
}
|
||
|
||
}
|
||
|
||
return dataMoved;
|
||
}
|
||
|
||
|
||
private static Node handleParagraph(Node para) {
|
||
Node paraBefore = para.cloneNode(false);
|
||
boolean dataMoved = false;
|
||
int i = 0;
|
||
NodeList сhilds = para.getChildNodes();
|
||
while (сhilds.getLength() > i) {
|
||
Node child = сhilds.item(i);
|
||
//NOT TEXT NODES
|
||
if ((child.getNodeType() == Node.ELEMENT_NODE)) {
|
||
String childName = child.getNodeName();
|
||
//SPB FOUND
|
||
if (containsSPB(child)){
|
||
if (childName.equals(TEXT_SOFT_PAGE_BREAK)){
|
||
//removeSPB
|
||
para.removeChild(child);
|
||
} else {
|
||
System.out.println("ERROR: SPB INSIDE Paragraph Element in inner element " + childName);
|
||
System.exit(1);
|
||
}
|
||
break;
|
||
//Other elements
|
||
} else if (childName.equals(TEXT_BOOKMARK_START)){
|
||
paraBefore.appendChild(child.cloneNode(true));
|
||
i++;
|
||
} else {
|
||
dataMoved = appendChild(paraBefore, child);
|
||
}
|
||
//TEXT NODES
|
||
} else {
|
||
dataMoved = appendChild(paraBefore, child);
|
||
}
|
||
|
||
}
|
||
addHyphen(para,paraBefore);
|
||
|
||
|
||
|
||
if (dataMoved) {
|
||
removeIndent(para);
|
||
return paraBefore;
|
||
}
|
||
|
||
|
||
return null;
|
||
}
|
||
|
||
private static boolean appendChild(Node parent, Node child) {
|
||
boolean dataMoved;
|
||
parent.appendChild(child);
|
||
dataMoved = true;
|
||
return dataMoved;
|
||
}
|
||
|
||
private static void addHyphen(Node para, Node paraBefore) {
|
||
//Debug.printNode(paraBefore);
|
||
//Debug.printNode(para);
|
||
Character softHyphen = 0x00ad;
|
||
Character lastChar = getLastChar(paraBefore);
|
||
Character firstChar = getFirstChar(para);
|
||
|
||
if (lastChar == null || firstChar == null) {
|
||
return;
|
||
}
|
||
Node lastNode = paraBefore;
|
||
while (lastNode.hasChildNodes()) {
|
||
lastNode = lastNode.getLastChild();
|
||
}
|
||
String lineEndsWith = lastNode.getTextContent();
|
||
if (Character.isLetter(lastChar) && Character.isLetter(firstChar)) {
|
||
|
||
lastNode.setTextContent(lastNode.getTextContent() + "\u2010");
|
||
} else if (lastChar.equals(softHyphen)) {
|
||
lastNode.setTextContent(lineEndsWith.substring(0, lineEndsWith.length()-1) + "\u2010");
|
||
}
|
||
}
|
||
private static Character getLastChar(Node para) {
|
||
if (para == null) { return null; }
|
||
Node lastNode = para;
|
||
while (lastNode.hasChildNodes()) {
|
||
lastNode = lastNode.getLastChild();
|
||
}
|
||
String content = lastNode.getTextContent();
|
||
if (content != null && !content.isEmpty()) {
|
||
return content.charAt(content.length()-1);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private static Character getFirstChar(Node para) {
|
||
if (para == null) { return null; }
|
||
Node firstNode = para;
|
||
while (firstNode.hasChildNodes()) {
|
||
firstNode = firstNode.getFirstChild();
|
||
}
|
||
String content = firstNode.getTextContent();
|
||
if (content != null && !content.isEmpty()) {
|
||
return content.charAt(0);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private static void removeIndent(Node paraAfter) {
|
||
String baseStyleName = Misc.getAttribute(paraAfter, TEXT_STYLE_NAME);
|
||
String newStyleName = officeReader.cloneParStyle(baseStyleName);
|
||
|
||
Node styleAttr = paraAfter.getAttributes().getNamedItem(TEXT_STYLE_NAME);
|
||
styleAttr.setTextContent(newStyleName);
|
||
|
||
StyleWithProperties newStyle = officeReader.getParStyle(Misc.getAttribute(paraAfter, TEXT_STYLE_NAME));
|
||
newStyle.setParProperty(FO_TEXT_INDENT, "0");
|
||
}
|
||
|
||
private static void removeSPB(Node node) {
|
||
if (node.getNodeType() == Node.ELEMENT_NODE) {
|
||
if (node.getNodeName().equals(TEXT_SOFT_PAGE_BREAK)) {
|
||
Node parent = node.getParentNode();
|
||
parent.removeChild(node);
|
||
return;
|
||
}
|
||
if (node.hasChildNodes()) {
|
||
int currentNo = 0;
|
||
NodeList childNodes = node.getChildNodes();
|
||
while (currentNo < childNodes.getLength()) {
|
||
Node childNode = childNodes.item(currentNo);
|
||
removeSPB(childNode);
|
||
currentNo++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
private static boolean containsSPB(Node node) {
|
||
if (node.getNodeType() == Node.ELEMENT_NODE) {
|
||
if (node.getNodeName().equals(TEXT_SOFT_PAGE_BREAK)) {
|
||
return true;
|
||
}
|
||
if (node.hasChildNodes()) {
|
||
int currentNo = 0;
|
||
NodeList childNodes = node.getChildNodes();
|
||
while (currentNo < childNodes.getLength()) {
|
||
Node childNode = childNodes.item(currentNo);
|
||
if (containsSPB(childNode)) {
|
||
return true;
|
||
}
|
||
currentNo++;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
}
|
||
|