Data info displayed in the status bar

Author: aturanjanin

Orange/widgets/data/owsave.py

@@ -8,6 +8,7 @@
 from Orange.widgets.settings import Setting
 from Orange.widgets.utils.save.owsavebase import OWSaveBase
 from Orange.widgets.utils.widgetpreview import WidgetPreview
+from Orange.widgets.utils.state_summary import format_summary_details
 
 
 _userhome = os.path.expanduser(f"~{os.sep}")
@@ -35,6 +36,8 @@ class Error(OWSaveBase.Error):
     def __init__(self):
         super().__init__(2)
 
+        self.info.set_input_summary(self.info.NoInput)
+
         self.grid.addWidget(
             gui.checkBox(
                 None, self, "add_type_annotations",
@@ -79,13 +82,9 @@ def update_messages(self):
             and self.filename and not self.writer.SUPPORT_SPARSE_DATA)
 
     def update_status(self):
-        if self.data is None:
-            self.info.set_input_summary(self.info.NoInput)
-        else:
-            self.info.set_input_summary(
-                str(len(self.data)),
-                f"Data set {self.data.name or '(no name)'} "
-                f"with {len(self.data)} instances")
+        summary = len(self.data) if self.data else self.info.NoInput
+        details = format_summary_details(self.data) if self.data else ""
+        self.info.set_input_summary(summary, details)
 
     def send_report(self):
         self.report_data_brief(self.data)

Orange/widgets/data/tests/test_owsave.py

@@ -13,6 +13,7 @@
 from Orange.widgets.data.owsave import OWSave, OWSaveBase
 from Orange.widgets.utils.save.tests.test_owsavebase import \
     SaveWidgetsTestBaseMixin
+from Orange.widgets.utils.state_summary import format_summary_details
 from Orange.widgets.tests.base import WidgetTest, open_widget_classes
 
 
@@ -55,24 +56,26 @@ def test_dataset(self):
 
         datasig = widget.Inputs.data
         self.send_signal(datasig, self.iris)
-        self.assertEqual(insum.call_args[0][0], "150")
+        insum.assert_called_with(len(self.iris), format_summary_details(self.iris))
         insum.reset_mock()
         savefile.reset_mock()
 
         widget.filename = "foo.tab"
         widget.writer = TabReader
         widget.auto_save = False
         self.send_signal(datasig, self.iris)
-        self.assertEqual(insum.call_args[0][0], "150")
+        insum.assert_called_with(len(self.iris), format_summary_details(self.iris))
         savefile.assert_not_called()
 
         widget.auto_save = True
         self.send_signal(datasig, self.iris)
-        self.assertEqual(insum.call_args[0][0], "150")
+        insum.assert_called_with(len(self.iris), format_summary_details(self.iris))
         savefile.assert_called()
 
+        insum.reset_mock()
         self.send_signal(datasig, None)
-        insum.assert_called_with(widget.info.NoInput)
+        insum.assert_called_once()
+        self.assertEqual(insum.call_args[0][0].brief, "")
 
     def test_initial_start_dir(self):
         widget = self.widget