Publisher: Keep track about current context and fix context selection widget (#4892)

* keep track about last context so it can be updated on context change

* don't use '_asset_name' attribute for validation of selected asset

* use current context after publisher window close

openpype/tools/publisher/widgets/create_widget.py

@@ -282,6 +282,9 @@ class CreateWidget(QtWidgets.QWidget):
         thumbnail_widget.thumbnail_created.connect(self._on_thumbnail_create)
         thumbnail_widget.thumbnail_cleared.connect(self._on_thumbnail_clear)
 
+        controller.event_system.add_callback(
+            "main.window.closed", self._on_main_window_close
+        )
         controller.event_system.add_callback(
             "plugins.refresh.finished", self._on_plugins_refresh
         )
@@ -316,6 +319,10 @@ class CreateWidget(QtWidgets.QWidget):
         self._first_show = True
         self._last_thumbnail_path = None
 
+        self._last_current_context_asset = None
+        self._last_current_context_task = None
+        self._use_current_context = True
+
     @property
     def current_asset_name(self):
         return self._controller.current_asset_name
@@ -356,12 +363,39 @@ class CreateWidget(QtWidgets.QWidget):
         if check_prereq:
             self._invalidate_prereq()
 
+    def _on_main_window_close(self):
+        """Publisher window was closed."""
+
+        # Use current context on next refresh
+        self._use_current_context = True
+
     def refresh(self):
+        current_asset_name = self._controller.current_asset_name
+        current_task_name = self._controller.current_task_name
+
         # Get context before refresh to keep selection of asset and
         #   task widgets
         asset_name = self._get_asset_name()
         task_name = self._get_task_name()
 
+        # Replace by current context if last loaded context was
+        #   'current context' before reset
+        if (
+            self._use_current_context
+            or (
+                self._last_current_context_asset
+                and asset_name == self._last_current_context_asset
+                and task_name == self._last_current_context_task
+            )
+        ):
+            asset_name = current_asset_name
+            task_name = current_task_name
+
+        # Store values for future refresh
+        self._last_current_context_asset = current_asset_name
+        self._last_current_context_task = current_task_name
+        self._use_current_context = False
+
         self._prereq_available = False
 
         # Disable context widget so refresh of asset will use context asset
@@ -398,7 +432,10 @@ class CreateWidget(QtWidgets.QWidget):
             prereq_available = False
             creator_btn_tooltips.append("Creator is not selected")
 
-        if self._context_change_is_enabled() and self._asset_name is None:
+        if (
+            self._context_change_is_enabled()
+            and self._get_asset_name() is None
+        ):
             # QUESTION how to handle invalid asset?
             prereq_available = False
             creator_btn_tooltips.append("Context is not selected")

openpype/tools/publisher/window.py

@@ -406,6 +406,9 @@ class PublisherWindow(QtWidgets.QDialog):
         self._comment_input.setText("")  # clear comment
         self._reset_on_show = True
         self._controller.clear_thumbnail_temp_dir_path()
+        # Trigger custom event that should be captured only in UI
+        #   - backend (controller) must not be dependent on this event topic!!!
+        self._controller.event_system.emit("main.window.closed", {}, "window")
         super(PublisherWindow, self).closeEvent(event)
 
     def leaveEvent(self, event):