From 999ac09ca61c59fafcaa5b866bf89a56d193c6ac Mon Sep 17 00:00:00 2001
From: Luca Padovani <luca.padovani@unito.it>
Date: Sat, 21 Feb 2004 09:58:05 +0000
Subject: [PATCH] * updated the updating method so that the root element is not
 changed   (removes the listeners in the new editor)

---
 .../mathml_editor/src/CMathMLFactoryXSLT.cc   | 75 ++++++++++++++-----
 1 file changed, 57 insertions(+), 18 deletions(-)

diff --git a/helm/DEVEL/mathml_editor/src/CMathMLFactoryXSLT.cc b/helm/DEVEL/mathml_editor/src/CMathMLFactoryXSLT.cc
index 07eb4b354..888452030 100644
--- a/helm/DEVEL/mathml_editor/src/CMathMLFactoryXSLT.cc
+++ b/helm/DEVEL/mathml_editor/src/CMathMLFactoryXSLT.cc
@@ -39,6 +39,7 @@ CMathMLFactoryXSLT::CMathMLFactoryXSLT(ALogger& l, const DOMX::XSLTStylesheet& s
   result = di.createDocument(MATHML_NS_URI, "m:math", dt);
 }
 
+#if 1
 void
 CMathMLFactoryXSLT::documentModified(TDocument& doc)
 {
@@ -51,32 +52,70 @@ CMathMLFactoryXSLT::documentModified(TDocument& doc)
   assert(res);
   //style.save(doc.document(), stdout);
 
-  if (DOM::Element root = res.get_documentElement())
+  if (DOM::Element wrapper = res.get_documentElement())
+    {
+      if (DOM::Element root = wrapper.get_firstChild())
+	if (DOM::Element oldRoot = result.get_documentElement().get_firstChild())
 	  {
-      if (result.get_documentElement().hasAttribute("xref"))
-        {
-          bool ok = subst(result.get_documentElement(), root.getAttribute("xref"), result.importNode(root, true));
-          assert(ok);
-          doc.clearDirty();
-        }
-      else
-        result.replaceChild(result.importNode(root, true), result.get_documentElement());
+	    bool ok = subst(oldRoot, root.getAttribute("xref"), result.importNode(root, true));
+	    assert(ok);
+	    doc.clearDirty();
 	  }
 	else
-		{
-			// Something wrong happened while applying the stylesheet.
-			DOM::Element root = result.get_documentElement();
-			DOM::Node p = root.get_firstChild();
-			while (p) {
-				DOM::Node next = p.get_nextSibling();
-				root.removeChild(p);
-				p = next;
-			}
+	  {
+	    result.get_documentElement().appendChild(result.importNode(root, true));
+	  }
+    }
+  else
+    {
+      // Something wrong happened while applying the stylesheet.
+      DOM::Element root = result.get_documentElement();
+      DOM::Node p = root.get_firstChild();
+      while (p) {
+	DOM::Node next = p.get_nextSibling();
+	root.removeChild(p);
+	p = next;
+      }
       logger.error("The stylesheet produced an empty document");
     }
 
   //style.save(result, stdout);
 }
+#else
+void
+CMathMLFactoryXSLT::documentModified(TDocument& doc)
+{
+  DOM::Document res = style.apply(doc.document());
+  assert(res);
+
+  if (DOM::Element root = res.get_documentElement())
+    {
+      DOM::Element newRoot = root.get_firstChild();
+      assert(newRoot);
+
+      if (DOM::Element oldSubRoot = result.get_documentElement().get_firstChild())
+        {
+	  result.get_documentElement().replaceChild(result.importNode(newRoot, true), oldSubRoot);
+        }
+      else
+	{
+	  result.get_documentElement().appendChild(result.importNode(newRoot, true));
+	}
+    }
+  else
+    {
+      // Something wrong happened while applying the stylesheet.
+      DOM::Element root = result.get_documentElement();
+      DOM::Node p = root.get_firstChild();
+      while (p) {
+	DOM::Node next = p.get_nextSibling();
+	root.removeChild(p);
+	p = next;
+      }
+      logger.error("The stylesheet produced an empty document");
+    }
+}
+#endif
 
 bool
 CMathMLFactoryXSLT::subst(const DOM::Element& e1, const DOM::GdomeString& id, const DOM::Element& e2)
-- 
2.39.2