2 files changed, 7 insertions, 14 deletions
diff --git a/sigmodr/tree/TreeItem.cpp b/sigmodr/tree/TreeItem.cpp
index c2ff7583..f8e39f54 100644
--- a/sigmodr/tree/TreeItem.cpp
+++ b/sigmodr/tree/TreeItem.cpp
@@ -21,9 +21,6 @@
 // Sigmod includes
 #include <sigmod/Object.h>
 
-// Qt includes
-#include <QtCore/QTextStream>
-
 using namespace Sigmod;
 using namespace Sigmodr::Tree;
 
@@ -129,19 +126,14 @@ QString TreeItem::mimeType() const
     // TODO
 }
 
-QByteArray TreeItem::copyData() const
+QDomElement TreeItem::copyData() const
 {
     if (canEdit())
-    {
-        QByteArray data;
-        QTextStream stream(&data, QIODevice::WriteOnly);
-        m_object->save().save(stream, 1);
-        return data;
-    }
-    return QByteArray();
+        return m_object->save();
+    return QDomElement();
 }
 
-bool TreeItem::dropData(QMimeData* data)
+bool TreeItem::dropData(const QDomElement& element)
 {
     // TODO
 }
diff --git a/sigmodr/tree/TreeItem.h b/sigmodr/tree/TreeItem.h
index 77827067..e8c3017c 100644
--- a/sigmodr/tree/TreeItem.h
+++ b/sigmodr/tree/TreeItem.h
@@ -25,6 +25,7 @@
 #include <QtCore/QList>
 #include <QtCore/QString>
 #include <QtCore/QStringList>
+#include <QtXml/QDomElement>
 
 // Forward declarations
 class QMimeData;
@@ -63,8 +64,8 @@ class SIGMODRTREE_NO_EXPORT TreeItem
         
         QStringList acceptedMimeTypes() const;
         QString mimeType() const;
-        QByteArray copyData() const;
-        bool dropData(QMimeData* data);
+        QDomElement copyData() const;
+        bool dropData(const QDomElement& element);
     protected:
         enum ItemType
         {