better feedback on API connection status and Documnet availability

freecad/kiconnect/api.py

@@ -2,6 +2,7 @@ import FreeCAD as App
 import FreeCADGui as Gui
 
 from kipy import KiCad
+from kipy.proto.common.types import DocumentType
 
 from . import settings
 from .bases import BaseObject, BaseViewProvider
@@ -14,6 +15,7 @@ class APIObject(BaseObject):
 
         feature.addProperty('App::PropertyFile', 'Socket', 'KiConnect', 'Path to the KiCAD Socket File').Socket = '/tmp/kicad/api.lock'
         feature.addProperty('App::PropertyBool', 'Connected', 'KiConnect', 'Is socket connected')
+        feature.addProperty('App::PropertyInteger', 'DocumentCount', 'KiConnect', 'Count of open Documnets')
 
         self.onDocumentRestored(feature)
 
@@ -44,20 +46,31 @@ class APIObject(BaseObject):
         Ping the KiCAD API to determine if it's connected
         '''
 
+        connection_status = 'Disconnected'
+        document_status = 'No Documents'
+
         try:
             self.kicad.ping()
 
             feature.Connected = True
-            feature.Label2 = 'Connected'
-
-            return True
+            connection_status = 'Connected'
 
         except Exception as e:
-            print(e)
             feature.Connected = False
-            feature.Label2 = 'Disconnected'
+            connection_status = 'Disconnected'
 
-            return False
+        if feature.Connected:
+            try:
+                docs = self.kicad.get_open_documents(DocumentType.DOCTYPE_PCB)
+                document_status = f'{len(docs)} Documents'
+                feature.DocumentCount = len(docs)
+            except Exception as e:
+                print(e)
+                feature.DocumentCount = 0
+
+        feature.Label2 = f'{connection_status} ({document_status})'
+
+        return feature.Connected
 
 
 class APIViewProvider(BaseViewProvider):