store const ref to the document in the table.

apps/opencs/view/world/table.cpp

@@ -162,8 +162,8 @@ std::vector<std::string> CSVWorld::Table::listDeletableSelectedIds() const
 }
 
 CSVWorld::Table::Table (const CSMWorld::UniversalId& id, CSMWorld::Data& data, QUndoStack& undoStack,
-    bool createAndDelete, bool sorting)
-    : mUndoStack (undoStack), mCreateAction (0), mCloneAction(0), mEditLock (false), mRecordStatusDisplay (0)
+    bool createAndDelete, bool sorting, const CSMDoc::Document& document)
+    : mUndoStack (undoStack), mCreateAction (0), mCloneAction(0), mEditLock (false), mRecordStatusDisplay (0), mDocument(document)
 {
     mModel = &dynamic_cast<CSMWorld::IdTable&> (*data.getTableModel (id));
 

apps/opencs/view/world/table.hpp

@@ -9,6 +9,10 @@
 
 #include "../../model/filter/node.hpp"
 
+namespace CSMDoc {
+    class Document;
+}
+
 class QUndoStack;
 class QAction;
 
@@ -43,6 +47,10 @@ namespace CSVWorld
             bool mEditLock;
             int mRecordStatusDisplay;
 
+            /// \brief This variable is used exclusivly for checking if dropEvents came from the same document. Most likely you
+            /// should NOT use it for anything else.
+            const CSMDoc::Document& mDocument;
+
         private:
 
             void contextMenuEvent (QContextMenuEvent *event);
@@ -62,7 +70,9 @@ namespace CSVWorld
 
         public:
 
-            Table (const CSMWorld::UniversalId& id, CSMWorld::Data& data, QUndoStack& undoStack, bool createAndDelete, bool sorting);
+            Table (const CSMWorld::UniversalId& id, CSMWorld::Data& data, QUndoStack& undoStack, bool createAndDelete,
+                   bool sorting, const CSMDoc::Document& document);
+
             ///< \param createAndDelete Allow creation and deletion of records.
             /// \param sorting Allow changing order of rows in the view via column headers.
 

apps/opencs/view/world/tablesubview.cpp

@@ -22,7 +22,7 @@ CSVWorld::TableSubView::TableSubView (const CSMWorld::UniversalId& id, CSMDoc::D
         new TableBottomBox (creatorFactory, document.getData(), document.getUndoStack(), id, this), 0);
 
     layout->insertWidget (0, mTable =
-        new Table (id, document.getData(), document.getUndoStack(), mBottom->canCreateAndDelete(), sorting), 2);
+        new Table (id, document.getData(), document.getUndoStack(), mBottom->canCreateAndDelete(), sorting, document), 2);
 
     CSVFilter::FilterBox *filterBox = new CSVFilter::FilterBox (document.getData(), this);