I can display an single workflow item

src/components/debugger/components/JsonViewer.py

@@ -62,7 +62,7 @@ class JsonViewerHelper:
 class JsonViewer(BaseComponent):
   def __init__(self, session, _id, owner, user_id, data, hooks=None, key=None, boundaries=None):
     super().__init__(session, _id)
-    self._key = key
+    self._key = key # for comparison between two jsonviewer components
     self._owner = owner  # debugger component
     self.user_id = user_id
     self.data = data
@@ -88,6 +88,10 @@ class JsonViewer(BaseComponent):
     
     self._helper = JsonViewerHelper()
   
+  def set_data(self, data):
+    self.data = data
+    self.node = self._create_node(None, data)
+  
   def set_node_folding(self, node_id, folding):
     if folding == self._folding_mode:
       self._nodes_to_track.remove(node_id)

src/components/entryselector/EntrySelectorApp.py

@@ -14,4 +14,13 @@ repositories_app, rt = fast_app()
 def get(session, _id: str, entry: str):
   logger.debug(f"Entering {Routes.Select} with args {debug_session(session)}, {_id=}, {entry=}")
   instance = InstanceManager.get(session, _id)
-  return instance.select_entry(entry)
+  to_update = instance.select_entry(entry)
+  
+  res = [instance]
+  if res is None:
+    return instance
+  if isinstance(to_update, (list, tuple)):
+    res.extend(to_update)
+  else:
+    res.append(to_update)
+  return tuple(res)

src/components/entryselector/assets/EntrySelector.css

@@ -11,6 +11,10 @@
   display: inline-block; /* Ensure entries align horizontally if needed */
 }
 
+.es-entry-selected {
+  border: 2px solid var(--color-primary);
+}
+
 .es-entry:hover {
   background-color: var(--color-base-300);
 }

src/components/entryselector/commands.py

@@ -9,7 +9,7 @@ class EntrySelectorCommandManager(BaseCommandManager):
   def select_entry(self, entry):
     return {
         "hx-get": f"{ROUTE_ROOT}{Routes.Select}",
-        "hx-target": f"#{self._owner.content_id}",
-        "hx-swap": "innerHTML",
+        "hx-target": f"#{self._id}",
+        "hx-swap": "outerHTML",
         "hx-vals": f'{{"_id": "{self._id}", "entry": "{entry}"}}',
     }

src/components/entryselector/components/EntrySelector.py

@@ -9,12 +9,12 @@ logger = logging.getLogger("EntrySelector")
 
 
 class EntrySelector(BaseComponentMultipleInstance):
-  def __init__(self, session, _id, owner, content_id, data=None, hooks=None, key=None, boundaries=None):
+  def __init__(self, session, _id, owner, data=None, hooks=None, key=None, boundaries=None):
     super().__init__(session, _id)
     self._key = key
     self._owner = owner  # debugger component
     self.data = data
-    self.content_id = content_id
+    self.selected = None
     self.hooks = hooks
     self._boundaries = boundaries if boundaries else {"width": "300"}
     self._commands = EntrySelectorCommandManager(self)
@@ -22,20 +22,31 @@ class EntrySelector(BaseComponentMultipleInstance):
   def set_data(self, data):
     self.data = data
   
+  def set_selected(self, selected):
+    if selected is None:
+      self.selected = None
+    else:
+      self.selected = int(selected)
+  
   def set_boundaries(self, boundaries):
     self._boundaries = boundaries
   
   def select_entry(self, entry):
     logger.debug(f"Selecting entry {entry}")
-    # return self._owner.select_entry(entry)
+    self.set_selected(entry)
+    if self.hooks is not None and (on_entry_selected := self.hooks.get("on_entry_selected", None)) is not None:
+      return on_entry_selected(entry)
+    else:
+      return None
   
   def _mk_content(self):
-    if self.data is None:
+    if not self.data:
       return [Div("no entry")]
     
     return [Div(index,
                 **self._commands.select_entry(index),
-                cls="es-entry") for index in range(self.data)]
+                cls=f"es-entry {'es-entry-selected' if index == self.selected else ''}")
+            for index in range(self.data)]
   
   def __ft__(self):
     return Div(

src/components/workflows/components/WorkflowDesigner.py

@@ -46,7 +46,7 @@ class WorkflowDesigner(BaseComponent):
     self.properties = WorkflowDesignerProperties(self._session, f"{self._id}", self)
     
     workflow_name = self._designer_settings.workflow_name
-    self._player = InstanceManager.get(self._session,
+    self.player = InstanceManager.get(self._session,
                                       WorkflowPlayer.create_component_id(self._session, workflow_name),
                                       WorkflowPlayer,
                                       settings_manager=self._settings_manager,
@@ -222,22 +222,23 @@ class WorkflowDesigner(BaseComponent):
   def play_workflow(self, boundaries: dict):
     self._error_message = None
     
-    self._player.run()
-    if self._player.global_error:
+    self.player.run()
+    if self.player.global_error:
       # Show the error message in the same tab
-      self._error_message = self._player.global_error
+      self._error_message = self.player.global_error
     
     else:
-      
+      self.properties.set_entry_selector_data(self.player.nb_items)
       # 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)
+      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):
     self._error_message = None
-    self._player.stop()
+    self.player.stop()
+    self.properties.set_entry_selector_data(0)
     return self.tabs_manager.refresh()
   
   def on_processor_details_event(self, component_id: str, event_name: str, details: dict):
@@ -314,7 +315,7 @@ class WorkflowDesigner(BaseComponent):
   
   def _mk_component(self, component: WorkflowComponent):
     
-    runtime_state = self._player.get_component_runtime_state(component.id)
+    runtime_state = self.player.get_component_runtime_state(component.id)
     
     info = COMPONENT_TYPES[component.type]
     is_selected = self._state.selected_component_id == component.id

src/components/workflows/components/WorkflowDesignerProperties.py

@@ -1,6 +1,7 @@
 from fasthtml.common import *
 
 from components.BaseComponent import BaseComponent
+from components.debugger.components.JsonViewer import JsonViewer
 from components.entryselector.components.EntrySelector import EntrySelector
 from components.workflows.constants import COMPONENT_TYPES, PROCESSOR_TYPES
 from components_helpers import mk_dialog_buttons
@@ -26,15 +27,24 @@ class WorkflowDesignerProperties(BaseComponent):
     self._component = None
     self.update_layout()
     self.update_component(self._owner.get_state().selected_component_id)
-    self._input_entry_selector = InstanceManager.new(self._session,
+    self.entry_selector: EntrySelector = InstanceManager.new(self._session,
                                                              EntrySelector,
                                                              owner=self,
-                                                     content_id=f"pic_{self._id}",
-                                                     data=100)
-    self._output_entry_selector = InstanceManager.new(self._session,
-                                                      EntrySelector,
+                                                             hooks={
+                                                                 "on_entry_selected": self.on_entry_selector_changed})
+    self._input_jsonviewer: JsonViewer = InstanceManager.new(self._session,
+                                                             JsonViewer,
                                                              owner=self,
-                                                      content_id=f"poc_{self._id}")
+                                                             user_id=None,
+                                                             data=None)
+    self._output_jsonviewer: JsonViewer = InstanceManager.new(self._session,
+                                                              JsonViewer,
+                                                              owner=self,
+                                                              user_id=None,
+                                                              data=None)
+  
+  def set_entry_selector_data(self, data):
+    self.entry_selector.set_data(data)
   
   def update_layout(self):
     if self._owner.get_state().properties_input_width is None:
@@ -65,31 +75,54 @@ class WorkflowDesignerProperties(BaseComponent):
     
     return self.__ft__(oob=oob)
   
+  def on_entry_selector_changed(self, entry):
+    entry = int(entry)
+    
+    input_data, output_data = None, None
+    selected_component_id = self._owner.get_state().selected_component_id
+    if selected_component_id is not None:
+      runtime_state = self._owner.player.runtime_states.get(selected_component_id, None)
+      if runtime_state is not None:
+        input_content = runtime_state.input[entry] if len(runtime_state.input) > entry else None
+        output_content = runtime_state.output[entry] if len(runtime_state.output) > entry else None
+        if input_content is not None:
+          self._input_jsonviewer.set_data(input_content.item.as_dict())
+          input_data = self._input_jsonviewer
+        if output_content is not None:
+          self._output_jsonviewer.set_data(output_content.item.as_dict())
+          output_data = self._output_jsonviewer
+      
+    return (self._mk_input(content=input_data, oob=True),
+            self._mk_output(content=output_data, oob=True))
+  
   def _mk_layout(self):
     return Div(
+      self.entry_selector,
+      Div(
         self._mk_input(),
         self._mk_properties(),
         self._mk_output(),
         cls="flex",
         style="height: 100%; width: 100%; flex: 1;"
       )
-  
-  def _mk_input(self):
-    return Div(
-      self._input_entry_selector,
-      Div(id=f"pic_{self._id}"),
-      id=f"pi_{self._id}",
-      style=f"width: {self.layout.input_width}px;",
-      cls="wkf-properties-input"
     )
   
-  def _mk_output(self):
+  def _mk_input(self, content=None, oob=False):
     return Div(
-      self._output_entry_selector,
-      "Output Content",
+      content,
+      id=f"pi_{self._id}",
+      style=f"width: {self.layout.input_width}px;",
+      cls="wkf-properties-input",
+      hx_swap_oob=f'true' if oob else None,
+    )
+  
+  def _mk_output(self, content=None, oob=False):
+    return Div(
+      content,
       id=f"po_{self._id}",
       style=f"width: {self.layout.output_width}px;",
-      cls="wkf-properties-output"
+      cls="wkf-properties-output",
+      hx_swap_oob=f'true' if oob else None,
     )
   
   def _mk_properties(self):

src/components/workflows/components/WorkflowPlayer.py

@@ -53,6 +53,7 @@ class WorkflowPlayer(BaseComponent):
     self.runtime_states = {}
     self.global_error = None
     self.has_error = False
+    self.nb_items = 0
   
   def set_boundaries(self, boundaries: dict):
     self._datagrid.set_boundaries(boundaries)
@@ -93,6 +94,7 @@ class WorkflowPlayer(BaseComponent):
       self.global_error = engine.global_error
     
     else:  # loop through the components and update the runtime states
+      self.nb_items = engine.nb_items
       for component in sorted_components:
         runtime_state = self.runtime_states.get(component.id)
         

src/core/Expando.py

@@ -48,6 +48,9 @@ class Expando:
     return self._props.copy()
   
   def to_dict(self, mappings: dict) -> dict:
+    """
+    Return the information as a dictionary, with the given mappings
+    """
     return {prop_name: self.get(path) for path, prop_name in mappings.items() if prop_name is not None}
   
   def __hasattr__(self, item):

src/workflow/engine.py

@@ -156,7 +156,7 @@ class WorkflowEngine:
     self.global_error = None
     self.errors = {}
     self.debug = {}
-    self.item_count = -1
+    self.nb_items = -1
   
   def add_processor(self, processor: DataProcessor) -> 'WorkflowEngine':
     """Add a data processor to the pipeline."""
@@ -201,10 +201,10 @@ class WorkflowEngine:
     if not self.processors:
       self.has_error = False
       self.global_error = "No processors in the pipeline"
-      self.item_count = -1
+      self.nb_items = -1
       raise ValueError(self.global_error)
     
-    self.item_count = 0
+    self.nb_items = 0
     first_processor = self.processors[0]
     
     if not isinstance(first_processor, DataProducer):
@@ -215,7 +215,7 @@ class WorkflowEngine:
     self.debug[first_processor.component_id] = {"input": [], "output": []}
     
     for item_linkage_id, item in enumerate(first_processor.process(None)):
-      self.item_count += 1
+      self.nb_items += 1
       self.debug[first_processor.component_id]["output"].append(WorkflowPayload(
         processor_name=first_processor.__class__.__name__,
         component_id=first_processor.component_id,