From: Mathieu Baudier <mbaudier@argeo.org>
Date: Tue, 6 Jul 2021 10:01:29 +0000 (+0200)
Subject: Implement remove if empty paragraph.
X-Git-Tag: argeo-suite-2.3.1~34
X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=commitdiff_plain;h=29670a41b526ec16411eaf7920b30752f0ee6883

Implement remove if empty paragraph.
---

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 {