[GRASS] disable drop to mapsets not owned

Author: blazek

src/providers/grass/qgsgrassprovidermodule.cpp

@@ -398,7 +398,10 @@ bool QgsGrassMapsetItem::objectInImports( QgsGrassObject grassObject )
     }
     if ( import->names().contains( grassObject.name() ) )
     {
-      return true;
+      return true;  if ( !QgsGrass::isOwner( mGrassObject.gisdbase(), mGrassObject.location(), mGrassObject.mapset() ) )
+      {
+        return false;
+      }
     }
   }
   return false;
@@ -603,6 +606,11 @@ QVector<QgsDataItem*> QgsGrassMapsetItem::createChildren()
   return items;
 }
 
+bool QgsGrassMapsetItem::acceptDrop()
+{
+  return QgsGrass::isOwner( mGrassObject.gisdbase(), mGrassObject.location(), mGrassObject.mapset() );
+}
+
 bool QgsGrassMapsetItem::handleDrop( const QMimeData * data, Qt::DropAction )
 {
   if ( !QgsMimeDataUtils::isUriList( data ) )

src/providers/grass/qgsgrassprovidermodule.h

@@ -94,7 +94,7 @@ class QgsGrassMapsetItem : public QgsDirectoryItem, public QgsGrassObjectItemBas
 
     QVector<QgsDataItem*> createChildren() override;
     virtual QList<QAction*> actions() override { return mActions->actions(); }
-    virtual bool acceptDrop() override { return true; }
+    virtual bool acceptDrop() override;
     virtual bool handleDrop( const QMimeData * data, Qt::DropAction action ) override;
 
   public slots: