owreport: disable save and print for empty report

biolab · Jul 31, 2018 · ba02a6d · ba02a6d
1 parent 84e1c87
commit ba02a6d
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/Orange/widgets/report/owreport.py b/Orange/widgets/report/owreport.py
@@ -170,10 +170,10 @@ def _setup_ui_(self):
         box = gui.hBox(self.controlArea)
         box.setContentsMargins(-6, 0, -6, 0)
         self.save_button = gui.button(
-            box, self, "Save", callback=self.save_report
+            box, self, "Save", callback=self.save_report, disabled=True
         )
         self.print_button = gui.button(
-            box, self, "Print", callback=self._print_report
+            box, self, "Print", callback=self._print_report, disabled=True
         )
 
         class PyBridge(QObject):
@@ -232,11 +232,13 @@ def _table_selection_changed(self, new_selection, _):
 
     def _remove_item(self, row):
         self.table_model.removeRow(row)
+        self._empty_report()
         self.report_changed = True
         self._build_html()
 
     def clear(self):
         self.table_model.clear()
+        self._empty_report()
         self.report_changed = True
         self._build_html()
 
@@ -246,9 +248,15 @@ def _add_item(self, widget):
         item = ReportItem(name, widget.report_html, self._get_scheme(),
                           widget.__module__, widget.icon)
         self.table_model.add_item(item)
+        self._empty_report()
         self.report_changed = True
         return item
 
+    def _empty_report(self):
+        # disable save and print if no reports
+        self.save_button.setEnabled(self.table_model.rowCount())
+        self.print_button.setEnabled(self.table_model.rowCount())
+
     def _build_html(self):
         html = self.report_html_template
         html += "<body>"