X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=publishing%2Forg.argeo.publishing.ui%2Fsrc%2Forg%2Fargeo%2Fdocbook%2FDbkUtils.java;fp=publishing%2Forg.argeo.publishing.ui%2Fsrc%2Forg%2Fargeo%2Fdocbook%2FDbkUtils.java;h=b654c73178646597e50badabdbe2c6e13989a725;hp=44346b25dbb669c5bfb1c88442509c2c25983d11;hb=29670a41b526ec16411eaf7920b30752f0ee6883;hpb=c63feb33bc17eb7e4fc6f2b47f31695ab6dfe1f8

diff --git a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java
index 44346b2..b654c73 100644
--- a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java
+++ b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java
@@ -106,6 +106,32 @@ public class DbkUtils {
 		return p;
 	}
 
+	/**
+	 * Removes a paragraph if it empty. The sesison is not saved.
+	 * 
+	 * @return true if the paragraph was empty and it was removed
+	 */
+	public static boolean removeIfEmptyParagraph(Node node) {
+		try {
+			if (isDbk(node, DbkType.para)) {
+				NodeIterator nit = node.getNodes();
+				if (!nit.hasNext())
+					return false;// log this unexpected situation?
+				Node first = nit.nextNode();
+				if (nit.hasNext())
+					return false;
+				String str = JcrxApi.getXmlValue(first);
+				if (str != null && str.trim().equals("")) {
+					node.remove();
+					return true;
+				}
+			}
+			return false;
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot remove possibly empty paragraph", e);
+		}
+	}
+
 	public static Node insertImageAfter(Node sibling) {
 		try {