fix for #6273

Author: Arunmozhi

src/gui/symbology-ng/qgsstylev2managerdialog.cpp

@@ -669,12 +669,14 @@ void QgsStyleV2ManagerDialog::removeItem()
 
 bool QgsStyleV2ManagerDialog::removeSymbol()
 {
-  QString symbolName = currentItemName();
-  if ( symbolName.isEmpty() )
-    return false;
-
-  // delete from style and update list
-  mStyle->removeSymbol( symbolName );
+  QModelIndexList indexes = listItems->selectionModel()->selectedIndexes();
+  foreach( QModelIndex index, indexes )
+  {
+    QString symbolName = index.data().toString();
+    // delete from style and update list
+    if ( !symbolName.isEmpty() )
+      mStyle->removeSymbol( symbolName );
+  }
   mModified = true;
   return true;
 }
@@ -1294,7 +1296,7 @@ void QgsStyleV2ManagerDialog::listitemsContextMenu( const QPoint& point )
     {
       groupId = mStyle->groupId( selectedItem->text() );
     }
-    QModelIndexList indexes =  listItems->selectionModel()->selection().indexes();
+    QModelIndexList indexes =  listItems->selectionModel()->selectedIndexes();
     foreach ( QModelIndex index, indexes )
     {
       mStyle->group( type, index.data().toString(), groupId );