Data info displayed in the status bar

Author: aturanjanin

Orange/widgets/data/owdatasampler.py

@@ -11,6 +11,7 @@
 from Orange.data import Table
 from Orange.data.sql.table import SqlTable
 from Orange.widgets.utils.widgetpreview import WidgetPreview
+from Orange.widgets.utils.state_summary import format_summary_details
 from Orange.widgets.widget import Msg, OWWidget, Input, Output
 from Orange.util import Reprable
 
@@ -179,14 +180,14 @@ def set_data(self, dataset):
             self.cb_seed.setVisible(not sql)
             self.cb_stratify.setVisible(not sql)
             self.cb_sql_dl.setVisible(sql)
-            self.info.set_input_summary(str(len(dataset)))
+            self.info.set_input_summary(len(dataset),
+                                        format_summary_details(dataset))
 
             if not sql:
                 self._update_sample_max_size()
                 self.updateindices()
         else:
             self.info.set_input_summary(self.info.NoInput)
-            self.info.set_output_summary(self.info.NoInput)
             self.indices = None
             self.clear_messages()
         self.commit()
@@ -224,12 +225,16 @@ def commit(self):
                 remaining, sample = self.indices
             elif self.sampling_type == self.CrossValidation:
                 remaining, sample = self.indices[self.selectedFold - 1]
-            self.info.set_output_summary(str(len(sample)))
 
             sample = self.data[sample]
             other = self.data[remaining]
             self.sampled_instances = len(sample)
             self.remaining_instances = len(other)
+
+        summary = len(sample) if sample else self.info.NoOutput
+        details = format_summary_details(sample) if sample else ""
+        self.info.set_output_summary(summary, details)
+
         self.Outputs.data_sample.send(sample)
         self.Outputs.remaining_data.send(other)
 

Orange/widgets/data/tests/test_owdatasampler.py

@@ -5,6 +5,7 @@
 from Orange.data import Table
 from Orange.widgets.data.owdatasampler import OWDataSampler
 from Orange.widgets.tests.base import WidgetTest
+from Orange.widgets.utils.state_summary import format_summary_details
 
 
 class TestOWDataSampler(WidgetTest):
@@ -126,17 +127,23 @@ def test_shuffling(self):
 
     def test_summary(self):
         """Check if status bar is updated when data is received"""
-        input_sum = self.widget.info.set_input_summary = Mock()
         data = self.iris
+        input_sum = self.widget.info.set_input_summary = Mock()
+        output_sum = self.widget.info.set_output_summary = Mock()
 
-        input_sum.reset_mock()
-        self.send_signal(self.widget.Inputs.data, data[:])
-        input_sum.assert_called_with("150")
+        self.send_signal(self.widget.Inputs.data, data)
+        input_sum.assert_called_with(len(data), format_summary_details(data))
+        output = self.get_output(self.widget.Outputs.data_sample)
+        output_sum.assert_called_with(len(output),
+                                      format_summary_details(output))
 
         input_sum.reset_mock()
+        output_sum.reset_mock()
         self.send_signal(self.widget.Inputs.data, None)
         input_sum.assert_called_once()
         self.assertEqual(input_sum.call_args[0][0].brief, "")
+        output_sum.assert_called_once()
+        self.assertEqual(output_sum.call_args[0][0].brief, "")
 
     def set_fixed_sample_size(self, sample_size, with_replacement=False):
         """Set fixed sample size and return the number of gui spin.