[ENH] Edit Domain: Add an option to change the output table name

Orange/widgets/data/oweditdomain.py

@@ -1770,6 +1770,7 @@ class Error(widget.OWWidget.Error):
     _domain_change_store = settings.ContextSetting({})
     _selected_item = settings.ContextSetting(None)  # type: Optional[Tuple[str, int]]
     _merge_dialog_settings = settings.ContextSetting({})
+    output_table_name = settings.ContextSetting("")
 
     want_control_area = False
 
@@ -1809,6 +1810,10 @@ def __init__(self):
 
         box.layout().addWidget(self._editor)
 
+        self.le_output_name = gui.lineEdit(
+            self.mainArea, self, "output_table_name", "Output table name: ",
+            box=True, orientation=Qt.Horizontal)
+
         bbox = QDialogButtonBox()
         bbox.setStyleSheet(
             "button-layout: {:d};".format(QDialogButtonBox.MacLayout))
@@ -1856,10 +1861,12 @@ def set_data(self, data):
             self.info.set_input_summary(len(data),
                                         format_summary_details(data))
             self.setup_model(data)
+            self.le_output_name.setPlaceholderText(data.name)
             self.openContext(self.data)
             self._editor.set_merge_context(self._merge_dialog_settings)
             self._restore()
         else:
+            self.le_output_name.setPlaceholderText("")
             self.info.set_input_summary(self.info.NoInput)
 
         self.commit()
@@ -2054,7 +2061,8 @@ def state(i):
                     model.data(midx, TransformRole))
 
         state = [state(i) for i in range(model.rowCount())]
-        if all(tr is None or not tr for _, tr in state):
+        if all(tr is None or not tr for _, tr in state) \
+                and self.output_table_name in ("", data.name):
             self.Outputs.data.send(data)
             self.info.set_output_summary(len(data),
                                          format_summary_details(data))
@@ -2090,6 +2098,8 @@ def state(i):
         Ys = [v for v in Ys if v.is_primitive()]
         domain = Orange.data.Domain(Xs, Ys, Ms)
         new_data = data.transform(domain)
+        if self.output_table_name:
+            new_data.name = self.output_table_name
         self.Outputs.data.send(new_data)
         self.info.set_output_summary(len(new_data),
                                      format_summary_details(new_data))

Orange/widgets/data/tests/test_oweditdomain.py

@@ -171,6 +171,11 @@ def test_output_data(self):
         np.testing.assert_array_equal(output.Y, self.iris.Y)
         self.assertEqual(output.domain, self.iris.domain)
 
+        self.widget.output_table_name = "Iris 2"
+        self.widget.commit()
+        output = self.get_output(self.widget.Outputs.data)
+        self.assertEqual(output.name, "Iris 2")
+
     def test_input_from_owcolor(self):
         """Check widget's data sent from OWColor widget"""
         owcolor = self.create_widget(OWColor)