Scatter Plot: Replot when input attrs change

Author: VesnaT

Orange/widgets/visualize/owscatterplot.py

@@ -358,6 +358,7 @@ def __init__(self):
         self.vizrank: ScatterPlotVizRank = None
         self.vizrank_button: QPushButton = None
         self.sampling: QGroupBox = None
+        self._attrs_invalidated: bool = True
 
         self.sql_data = None  # Orange.data.sql.table.SqlTable
         self.attribute_selection_list = None  # list of Orange.data.Variable
@@ -581,6 +582,8 @@ def handleNewSignals(self):
             self.attr_x, self.attr_y = self.attribute_selection_list[:2]
             self.attr_box.setEnabled(False)
             self.vizrank.setEnabled(False)
+        self._invalidated = self._invalidated or self._attrs_invalidated
+        self._attrs_invalidated = False
         super().handleNewSignals()
         if self._domain_invalidated:
             self.graph.update_axes()
@@ -591,7 +594,7 @@ def handleNewSignals(self):
     def set_shown_attributes(self, attributes):
         if attributes and len(attributes) >= 2:
             self.attribute_selection_list = attributes[:2]
-            self._invalidated = self._invalidated \
+            self._attrs_invalidated = self._attrs_invalidated \
                 or self.attr_x != attributes[0] \
                 or self.attr_y != attributes[1]
         else:

Orange/widgets/visualize/tests/test_owscatterplot.py

@@ -743,6 +743,13 @@ def test_invalidated_same_time_features_first(self):
         self.widget.setup_plot.assert_called_once()
         self.assertListEqual(self.widget.effective_variables, list(features))
 
+        self.widget.setup_plot.reset_mock()
+        features = self.data.domain.attributes[2:]
+        signals = [(self.widget.Inputs.features, AttributeList(features)),
+                   (self.widget.Inputs.data, self.data)]
+        self.send_signals(signals)
+        self.widget.setup_plot.assert_called_once()
+
     def test_invalidated_diff_features(self):
         self.widget.setup_plot = Mock()
         # send data and set default features