OWNeighbors: data info displayed in the status bar

Orange/widgets/data/owneighbors.py

@@ -11,6 +11,8 @@
 from Orange.widgets.utils.signals import Input, Output
 from Orange.widgets.widget import OWWidget, Msg
 from Orange.widgets.utils.widgetpreview import WidgetPreview
+from Orange.widgets.utils.state_summary import format_summary_details,\
+    format_multiple_summaries
 
 METRICS = [
     ("Euclidean", distance.Euclidean),
@@ -88,14 +90,17 @@ def __init__(self):
     def _set_input_summary(self):
         n_data = len(self.data) if self.data else 0
         n_refs = len(self.reference) if self.reference else 0
-
-        if n_data or n_refs:
-            details = \
-                f"{n_data if n_data else 'No'} data instance(s) on input\n" \
-                f"{n_refs if n_refs else 'No'} reference instance(s) on input "
-            self.info.set_input_summary(f"{n_data} | {n_refs} ", details)
-        else:
-            self.info.set_input_summary(self.info.NoInput)
+        summary, details, kwargs = self.info.NoInput, "", {}
+
+        if self.data or self.reference:
+            summary = f"{self.info.format_number(n_data)}, " \
+                      f"{self.info.format_number(n_refs)}"
+            details = format_multiple_summaries([
+                ("Data", self.data),
+                ("Reference", self.reference)
+            ])
+            kwargs = {"format": Qt.RichText}
+        self.info.set_input_summary(summary, details, **kwargs)
 
     @Inputs.data
     def set_data(self, data):
@@ -107,8 +112,8 @@ def set_ref(self, refs):
 
     def handleNewSignals(self):
         self.compute_distances()
-        self.unconditional_apply()
         self._set_input_summary()
+        self.unconditional_apply()
 
     def recompute(self):
         self.compute_distances()
@@ -146,7 +151,8 @@ def apply(self):
             self.info.set_output_summary(self.info.NoOutput)
         else:
             neighbors = self._data_with_similarity(indices)
-            self.info.set_output_summary(str(len(neighbors)))
+            summary, details = len(neighbors), format_summary_details(neighbors)
+            self.info.set_output_summary(summary, details)
         self.Outputs.data.send(neighbors)
 
     def _compute_indices(self):

Orange/widgets/data/tests/test_owneighbors.py

@@ -7,6 +7,8 @@
 from Orange.data import Table, Domain, ContinuousVariable
 from Orange.widgets.data.owneighbors import OWNeighbors, METRICS
 from Orange.widgets.tests.base import WidgetTest, ParameterMapping
+from Orange.widgets.utils.state_summary import format_summary_details, \
+    format_multiple_summaries
 
 
 class TestOWNeighbors(WidgetTest):
@@ -122,36 +124,43 @@ def test_missing_values(self):
         widget.apply_button.button.click()
         self.assertIsNotNone(self.get_output("Neighbors"))
 
-    def test_input_summary(self):
+    def test_summary(self):
         """Check if status bar is updated when data is received"""
-        widget = self.widget
-        input_sum = widget.info.set_input_summary = Mock()
-        data = Table("iris")
-
-        input_sum.reset_mock()
-        self.send_signal(widget.Inputs.reference, data[:5])
-        input_sum.assert_called_with("0 | 5 ", "No data instance(s) on input\n"\
-                                               "5 reference instance(s) on input ")
-
-        input_sum.reset_mock()
-        self.send_signal(widget.Inputs.data, data[:10])
-        input_sum.assert_called_with("10 | 5 ", "10 data instance(s) on input\n"\
-                                                "5 reference instance(s) on input ")
-
-        input_sum.reset_mock()
-        self.send_signals([(widget.Inputs.data, None), (widget.Inputs.reference, None)])
-        input_sum.assert_called_once()
-        self.assertEqual(input_sum.call_args[0][0].brief, "")
-
-        input_sum.reset_mock()
-        self.send_signal(widget.Inputs.data, data[:15])
-        input_sum.assert_called_with("15 | 0 ", "15 data instance(s) on input\n" \
-                                                "No reference instance(s) on input ")
-
-        input_sum.reset_mock()
-        self.send_signals([(widget.Inputs.data, data[:12]), (widget.Inputs.reference, data[-1:])])
-        input_sum.assert_called_with("12 | 1 ", "12 data instance(s) on input\n"\
-                                                "1 reference instance(s) on input ")
+        info = self.widget.info
+        data, reference = Table("iris"), Table("iris")[:5]
+        no_input, no_output = "No data on input", "No data on output"
+
+        self.send_signal(self.widget.Inputs.data, data)
+        data_list = [("Data", data), ("Reference", None)]
+        summary, details = "150, 0", format_multiple_summaries(data_list)
+        self.assertEqual(info._StateInfo__input_summary.brief, summary)
+        self.assertEqual(info._StateInfo__input_summary.details, details)
+        self.assertEqual(info._StateInfo__output_summary.brief, "")
+        self.assertEqual(info._StateInfo__output_summary.details, no_output)
+
+        self.send_signal(self.widget.Inputs.reference, reference)
+        data_list = [("Data", data), ("Reference", reference)]
+        summary, details = "150, 5", format_multiple_summaries(data_list)
+        self.assertEqual(info._StateInfo__input_summary.brief, summary)
+        self.assertEqual(info._StateInfo__input_summary.details, details)
+        output = self.get_output(self.widget.Outputs.data)
+        summary, details = f"{len(output)}", format_summary_details(output)
+        self.assertEqual(info._StateInfo__output_summary.brief, summary)
+        self.assertEqual(info._StateInfo__output_summary.details, details)
+
+        self.send_signal(self.widget.Inputs.data, None)
+        data_list = [("Data", None), ("Reference", reference)]
+        summary, details = "0, 5", format_multiple_summaries(data_list)
+        self.assertEqual(info._StateInfo__input_summary.brief, summary)
+        self.assertEqual(info._StateInfo__input_summary.details, details)
+        self.assertEqual(info._StateInfo__output_summary.brief, "")
+        self.assertEqual(info._StateInfo__output_summary.details, no_output)
+
+        self.send_signal(self.widget.Inputs.reference, None)
+        self.assertEqual(info._StateInfo__input_summary.brief, "")
+        self.assertEqual(info._StateInfo__input_summary.details, no_input)
+        self.assertEqual(info._StateInfo__output_summary.brief, "")
+        self.assertEqual(info._StateInfo__output_summary.details, no_output)
 
     def test_compute_distances_apply_called(self):
         """Check compute distances and apply are called when receiving signal"""
@@ -329,7 +338,6 @@ def test_data_with_similarity(self):
 
     def test_apply(self):
         widget = self.widget
-        output_sum = widget.info.set_output_summary = Mock()
         widget.auto_apply = True
         data = Table("iris")
         indices = np.array([5, 10, 15, 100])
@@ -342,7 +350,6 @@ def test_apply(self):
         np.testing.assert_almost_equal(neigh.X, data.X[indices])
         np.testing.assert_almost_equal(
             neigh.metas.flatten(), widget.distances[indices])
-        output_sum.assert_called_with(str(len(neigh)))
 
     def test_all_equal_ref(self):
         widget = self.widget