added ability to know if views have any items

openpype/tools/publisher/widgets/card_view_widgets.py

@@ -676,6 +676,13 @@ class InstanceCardView(AbstractInstanceView):
 
         self._update_ordered_group_names()
 
+    def has_items(self):
+        if self._convertor_items_group is not None:
+            return True
+        if self._widgets_by_group:
+            return True
+        return False
+
     def _update_ordered_group_names(self):
         ordered_group_names = [CONTEXT_GROUP]
         for idx in range(self._content_layout.count()):

openpype/tools/publisher/widgets/list_view_widgets.py

@@ -912,6 +912,13 @@ class InstanceListView(AbstractInstanceView):
         if not self._instance_view.isExpanded(proxy_index):
             self._instance_view.expand(proxy_index)
 
+    def has_items(self):
+        if self._convertor_group_widget is not None:
+            return True
+        if self._group_items:
+            return True
+        return False
+
     def get_selected_items(self):
         """Get selected instance ids and context selection.
 

openpype/tools/publisher/widgets/overview_widget.py

@@ -205,6 +205,10 @@ class OverviewWidget(QtWidgets.QFrame):
             self._subset_views_widget.height()
         )
 
+    def has_items(self):
+        view = self._subset_views_layout.currentWidget()
+        return view.has_items()
+
     def _on_create_clicked(self):
         """Pass signal to parent widget which should care about changing state.
 

openpype/tools/publisher/widgets/widgets.py

@@ -305,6 +305,20 @@ class AbstractInstanceView(QtWidgets.QWidget):
             "{} Method 'refresh' is not implemented."
         ).format(self.__class__.__name__))
 
+    def has_items(self):
+        """View has at least one item.
+
+        This is more a question for controller but is called from widget
+        which should probably should not use controller.
+
+        Returns:
+            bool: There is at least one instance or conversion item.
+        """
+
+        raise NotImplementedError((
+          "{} Method 'has_items' is not implemented."
+        ).format(self.__class__.__name__))
+
     def get_selected_items(self):
         """Selected instances required for callbacks.
 
@@ -1185,7 +1199,7 @@ class GlobalAttrsWidget(QtWidgets.QWidget):
         """Set currently selected instances.
 
         Args:
-            instances(list<CreatedInstance>): List of selected instances.
+            instances(List[CreatedInstance]): List of selected instances.
                 Empty instances tells that nothing or context is selected.
         """
         self._set_btns_visible(False)
@@ -1619,6 +1633,7 @@ class SubsetAttributesWidget(QtWidgets.QWidget):
             instances(List[CreatedInstance]): List of currently selected
                 instances.
             context_selected(bool): Is context selected.
+            convertor_identifiers(List[str]): Identifiers of convert items.
         """
 
         all_valid = True