Merge pull request #4627 from aturanjanin/owdistributions

[ENH] Distributions: data info displayed in the status bar

Author: VesnaT

Orange/widgets/visualize/owdistributions.py

@@ -19,6 +19,7 @@
     create_groups_table, create_annotated_table, ANNOTATED_DATA_SIGNAL_NAME
 from Orange.widgets.utils.itemmodels import DomainModel
 from Orange.widgets.utils.widgetpreview import WidgetPreview
+from Orange.widgets.utils.state_summary import format_summary_details
 from Orange.widgets.visualize.utils.plotutils import ElidedLabelsAxis
 from Orange.widgets.widget import Input, Output, OWWidget, Msg
 
@@ -360,6 +361,9 @@ def __init__(self):
 
         gui.auto_apply(self.controlArea, self, commit=self.apply)
 
+        self.info.set_input_summary(self.info.NoInput)
+        self.info.set_output_summary(self.info.NoOutput)
+
         self._set_smoothing_visibility()
         self._setup_plots()
         self._setup_legend()
@@ -424,6 +428,9 @@ def set_data(self, data):
         self.closeContext()
         self.var = self.cvar = None
         self.data = data
+        summary = len(data) if data else self.info.NoInput
+        details = format_summary_details(data) if data else ""
+        self.info.set_input_summary(summary, details)
         domain = self.data.domain if self.data else None
         varmodel = self.controls.var.model()
         cvarmodel = self.controls.cvar.model()
@@ -1075,6 +1082,10 @@ def apply(self):
                     include_unselected=False, values=values)
                 annotated_data = create_annotated_table(data, selected)
 
+        summary = len(selected_data) if selected_data else self.info.NoOutput
+        details = format_summary_details(selected_data) if selected_data else ""
+        self.info.set_output_summary(summary, details)
+
         self.Outputs.selected_data.send(selected_data)
         self.Outputs.annotated_data.send(annotated_data)
         self.Outputs.histogram_data.send(histogram_data)

Orange/widgets/visualize/tests/test_owdistributions.py

@@ -11,6 +11,7 @@
 from Orange.widgets.tests.base import WidgetTest
 from Orange.widgets.utils.annotated_data import ANNOTATED_DATA_FEATURE_NAME
 from Orange.widgets.utils.itemmodels import DomainModel
+from Orange.widgets.utils.state_summary import format_summary_details
 from Orange.widgets.visualize.owdistributions import OWDistributions
 
 
@@ -513,6 +514,32 @@ def test_report(self):
         self.send_signal(widget.Inputs.data, self.iris)
         widget.send_report()
 
+    def test_summary(self):
+        """Check if status bar is updated when data is received"""
+        data, info = self.iris, self.widget.info
+        no_input, no_output = "No data on input", "No data on output"
+
+        self.send_signal(self.widget.Inputs.data, data)
+        summary, details = f"{len(data)}", format_summary_details(data)
+        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._set_slider(0)
+        self.widget.selection = {1, 2, 3, 5, 6, 9}
+        self.widget._on_end_selecting()
+        output = self.get_output(self.widget.Outputs.selected_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)
+        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)
+
 
 if __name__ == "__main__":
     unittest.main()