AddFile: Fix undo commands.

src/View/AdditionalFiles/List.py

@@ -38,6 +38,20 @@ logger = logging.getLogger()
 
 
 class ListModel(PamhyrListModel):
+    def get_true_data_row(self, row):
+        el = self._data.get(row)
+
+        return next(
+            map(
+                lambda e: e[0],
+                filter(
+                    lambda e: e[1] == el,
+                    enumerate(self._data._lst)
+                )
+            ), 0
+        )
+
+
     def data(self, index, role):
         row = index.row()
         column = index.column()
@@ -65,6 +79,8 @@ class ListModel(PamhyrListModel):
         return QVariant()
 
     def add(self, row):
+        row = self.get_true_data_row(row)
+
         self._undo.push(
             AddCommand(
                 self._data, row
@@ -75,7 +91,7 @@ class ListModel(PamhyrListModel):
     def delete(self, row):
         self._undo.push(
             DelCommand(
-                self._data, row
+                self._data, self._data.files[row]
             )
         )
         self.update()

src/View/AdditionalFiles/UndoCommand.py

@@ -58,27 +58,23 @@ class AddCommand(QUndoCommand):
         self._new = None
 
     def undo(self):
-        self._files.delete([self._new])
+        self._new.set_as_deleted()
 
     def redo(self):
         if self._new is None:
             self._new = self._files.new(self._row)
         else:
-            self._files.undelete([self._new])
-            # self._files.insert(self._row, self._new)
-
+            self._new.set_as_not_deleted()
 
 class DelCommand(QUndoCommand):
-    def __init__(self, files, row):
+    def __init__(self, files, line):
         QUndoCommand.__init__(self)
 
         self._files = files
-        self._row = row
-        self._old = self._files.get(row)
+        self._line = line
 
     def undo(self):
-        self._files.undelete([self._old])
-        # self._files.insert(self._row, self._old)
+        self._line.set_as_not_deleted()
 
     def redo(self):
-        self._files.delete_i([self._row])
+        self._line.set_as_deleted()