1 files changed, 12 insertions, 2 deletions
diff --git a/sigmodr/tree/SigmodrTree.cpp b/sigmodr/tree/SigmodrTree.cpp
index 552fad0c..2caca70a 100644
--- a/sigmodr/tree/SigmodrTree.cpp
+++ b/sigmodr/tree/SigmodrTree.cpp
@@ -46,15 +46,25 @@ SigmodrTree::SigmodrTree(QWidget* parent) :
     setRootIndex(model->index(-1, 0, QModelIndex()));
 }
 
-QString SigmodrTree::description(const QModelIndex& index)
+QString SigmodrTree::description(const QModelIndex& index) const
 {
-    QString type = model()->data(index, BaseModel::TypeRole).toString();
+    QString type = typeOf(index);
     QString name = model()->data(index, Qt::DisplayRole).toString();
     if (type.isEmpty() && name.isEmpty())
         return "";
     return QString("%1: %2").arg(type).arg(name);
 }
 
+QString SigmodrTree::typeOf(const QModelIndex& index) const
+{
+    return model()->data(index, BaseModel::TypeRole).toString();
+}
+
+QStringList SigmodrTree::dropTypes(const QModelIndex& index) const
+{
+    return model()->data(index, BaseModel::DropAcceptRole).toString().split(';');
+}
+
 ObjectUI* SigmodrTree::editorWidget(const QModelIndex& index)
 {
     ObjectUI* widget = qobject_cast<ObjectUI*>(model()->data(index, BaseModel::WidgetRole).value<QWidget*>());