fix: Fixed pagination with paragraph break-before property located in list

src/main/java/w2phtml/pageSplitters/ListBreaksFix.java

@@ -0,0 +1,73 @@
+package w2phtml.pageSplitters;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import pro.litvinovg.w2phtml.gui.ConversionExecutor;
+import pro.litvinovg.xml.Debug;
+import w2phtml.office.OfficeReader;
+import w2phtml.office.StyleWithProperties;
+import w2phtml.util.Misc;
+
+import static w2phtml.office.XMLString.TEXT_LIST_ITEM;
+import static w2phtml.office.XMLString.TEXT_SOFT_PAGE_BREAK;
+import static w2phtml.office.XMLString.TEXT_STYLE_NAME;
+
+import java.util.Iterator;
+
+import static w2phtml.office.XMLString.TEXT_P;
+import static w2phtml.office.XMLString.TEXT_H;
+import static w2phtml.office.XMLString.FO_BREAK_BEFORE;
+
+
+
+public class ListBreaksFix {
+	private static final Logger logger = LoggerFactory.getLogger(ListBreaksFix.class);
+	private OfficeReader ofr;
+
+	public ListBreaksFix(OfficeReader ofr) {
+		this.ofr = ofr;
+	}
+	// Hack to fix hard breaks splitting in lists
+	public void addSPBsBeforeBreaksInLists(Node onode) {
+		try {
+			DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
+			DocumentBuilder builder = builderFactory.newDocumentBuilder();
+			Document document = onode.getOwnerDocument();
+			XPath xPath = XPathFactory.newInstance().newXPath();
+			String expression = "//*[starts-with(local-name(),'list-item')]//*[starts-with(local-name(),'p') ]";
+			NodeList nodeList = (NodeList) xPath.compile(expression).evaluate(document, XPathConstants.NODESET);
+			for (int i = 0; i < nodeList.getLength(); i++) {
+				Node paragraph = nodeList.item(i);
+				if (hasBreakBefore(paragraph)) {
+					Node spb = document.createElement(TEXT_SOFT_PAGE_BREAK);
+					paragraph.getParentNode().insertBefore(spb, paragraph);
+				}
+			}
+		} catch (XPathExpressionException e) {
+			logger.error("Error fixing hard breaks in lists" +  e.getLocalizedMessage());
+			e.printStackTrace();
+		} catch (ParserConfigurationException e) {
+			logger.error("Error fixing hard breaks in lists" +  e.getLocalizedMessage());
+			e.printStackTrace();
+		}
+	}
+	private boolean hasBreakBefore(Node node) {
+  	StyleWithProperties style = ofr.getParStyle(Misc.getAttribute(node,TEXT_STYLE_NAME));
+		if (style != null && "page".equals(style.getProperty(FO_BREAK_BEFORE))) {
+			return true;
+		}
+		return false;
+	}
+}