Improving error management

src/components/workflows/components/WorkflowDesigner.py

@@ -198,12 +198,18 @@ class WorkflowDesigner(BaseComponent):
       self._error_message = self._player.global_error
     
     else:
-    
+      
       # change the tab and display the results
+      self._player.set_boundaries(boundaries)
       self.tabs_manager.add_tab(f"Workflow {self._designer_settings.workflow_name}", self._player, self._player.key)
       
     return self.tabs_manager.refresh()
   
+  def stop_workflow(self, boundaries):
+    self._error_message = None
+    self._player.run()
+    return self.tabs_manager.refresh()
+  
   def on_processor_details_event(self, component_id: str, event_name: str, details: dict):
     if component_id in self._state.components:
       component = self._state.components[component_id]
@@ -271,6 +277,12 @@ class WorkflowDesigner(BaseComponent):
       state_class = 'not-run'  # To be styled as greyed-out
     else:
       state_class = ''
+    if runtime_state.state == ComponentState.FAILURE:
+      tooltip_content = runtime_state.error_message
+      tooltip_class = "mmt-tooltip"
+    else:
+      tooltip_content = None
+      tooltip_class = ""
     
     return Div(
       # Input connection point
@@ -290,9 +302,10 @@ class WorkflowDesigner(BaseComponent):
           data_component_id=component.id,
           data_point_type="output"),
       
-      cls=f"wkf-workflow-component w-32 {'selected' if is_selected else ''}",
+      cls=f"wkf-workflow-component w-32 {'selected' if is_selected else ''} {tooltip_class}",
       style=f"left: {component.x}px; top: {component.y}px;",
       data_component_id=component.id,
+      data_tooltip=tooltip_content,
       draggable="true"
     )
   
@@ -303,7 +316,7 @@ class WorkflowDesigner(BaseComponent):
       
       # Render components
       *[self._mk_component(comp, state) for comp, state in zip(self._state.components.values(),
-                                                               self._player.runtime_states)],
+                                                               self._player.runtime_states.values())],
     )
   
   def _mk_canvas(self, oob=False):
@@ -337,8 +350,8 @@ class WorkflowDesigner(BaseComponent):
   def _mk_media(self):
     return Div(
       mk_icon(icon_play, cls="mr-1", **self.commands.play_workflow()),
-      mk_icon(icon_pause, cls="mr-1", **self.commands.play_workflow()),
-      mk_icon(icon_stop, cls="mr-1", **self.commands.play_workflow()),
+      mk_icon(icon_pause, cls="mr-1", **self.commands.pause_workflow()),
+      mk_icon(icon_stop, cls="mr-1", **self.commands.stop_workflow()),
       cls=f"media-controls flex m-2"
     )