Fixed a bug that didn't disable snake axes checkbox during __init__ i…

…n grid scan window.

src/firefly/controller.py

@@ -247,6 +247,9 @@ def setup_window_actions(self):
                 WindowClass=PlanMainWindow,
             ),
         }
+        # Disabled the grid scan window until this issue is fixed
+        # https://github.com/spc-group/haven/issues/231
+        self.actions.plans['grid_scan'].setEnabled(False)
         # Action for showing the run browser window
         self.actions.run_browser = WindowAction(
             name="show_run_browser_action",

src/firefly/plans/grid_scan.py

@@ -88,6 +88,7 @@ def __init__(self, parent=None, args=None, macros=None, ui_filename=None, **kwar
 
     def customize_ui(self):
         super().customize_ui()
+        self.update_snakes()
         # add title layout
         self.title_region = TitleRegion()
         self.ui.title_layout.addLayout(self.title_region.layout)
@@ -112,7 +113,15 @@ async def update_devices_slot(self, registry):
     @asyncSlot(int)
     async def update_regions_slot(self, new_region_num: int):
         await super().update_regions(new_region_num)
-        # disable snake for the last region and enable the previous regions
+        self.update_snakes()
+
+    def update_snakes(self):
+        """Update the snake checkboxes.
+
+        The last region is not snakable, so that checkbox gets
+        disabled. The rest get enabled.
+
+        """
         if len(self.regions) > 0:
             self.regions[-1].snake_checkbox.setEnabled(False)
             for region_i in self.regions[:-1]:
@@ -150,9 +159,10 @@ def queue_plan(self, *args, **kwargs):
         )
 
         # Submit the item to the queueserver
-        log.info("Added line scan() plan to queue.")
+        log.info(f"Added grid_scan() plan to queue ({repeat_scan_num} scans).")
         # repeat scans
         for i in range(repeat_scan_num):
+            print("EMITTING")
             self.queue_item_submitted.emit(item)
 
     def ui_filename(self):

src/firefly/queue_client.py

@@ -110,9 +110,10 @@ async def add_queue_item(self, item):
         try:
             result = await self.api.item_add(item=item)
             self.check_result(result)
-        except (RuntimeError, comm_base.RequestFailedError):
+        except (RuntimeError, comm_base.RequestFailedError) as ex:
             # Request failed, so force a UI update
             await self.check_queue_status(force=True)
+            raise
         else:
             await self.check_queue_status(force=False)