Refactor file loading to detect external modifications and add reload capability

- Extract _load_data() method from load_path() for reuse in reload()
- Add is_extters externally_modified() to track file state changes (mtime/size)
- Replace load_bytes() with load_contents() for better error handling
- Add reload() method to re-read file from disk
- Fix file_state_watcher by properly detecting external changes

plugins/code/event-watchers/file_state_watcher/plugin.py

@@ -17,13 +17,21 @@ class Plugin(PluginCode):
 
 
     def _controller_message(self, event: Code_Event_Types.CodeEvent):
-        if isinstance(event, Code_Event_Types.TextChangedEvent):
-            event.file.check_file_on_disk()
+        if not isinstance(event, Code_Event_Types.FocusedViewEvent): return
+        event = Event_Factory.create_event(
+            "get_file", buffer = event.view.get_buffer()
+        )
+        self.emit_to("files", event)
 
-            if event.file.is_deleted():
-                file_is_deleted(event, self.emit)
-            elif event.file.is_externally_modified():
-                file_is_externally_modified(event, self.emit)
+        file = event.response
+        if file.ftype == "buffer": return
+
+        file.check_file_on_disk()
+
+        if file.is_deleted():
+            file_is_deleted(file, self.emit)
+        elif file.is_externally_modified():
+            file_is_externally_modified(file, self.emit)
 
     def load(self):
         ...

plugins/code/event-watchers/file_state_watcher/watcher_checks.py

@@ -10,23 +10,45 @@ from libs.event_factory import Event_Factory, Code_Event_Types
 
 
 
-def file_is_deleted(event, emit):
-    event.file.was_deleted = True
+def ask_yes_no(message):
+    dialog = Gtk.MessageDialog(
+        parent       = None,
+        flags        = 0,
+        message_type = Gtk.MessageType.QUESTION,
+        buttons      = Gtk.ButtonsType.YES_NO,
+        text         = message,
+    )
+    dialog.set_title("Confirm")
+
+    response = dialog.run()
+    dialog.destroy()
+
+    return response == Gtk.ResponseType.YES
+
+
+def file_is_deleted(file, emit):
+    file.was_deleted = True
     event = Event_Factory.create_event(
         "file_externally_deleted",
-        file   = event.file,
-        buffer = event.buffer
+        file   = file,
+        buffer = file.buffer
     )
     emit(event)
 
 
-def file_is_externally_modified(event, emit):
-#    event = Event_Factory.create_event(
-#        "file_externally_modified",
-#        file   = event.file,
-#        buffer = event.buffer
-#    )
-#    emit(event)
+def file_is_externally_modified(file, emit):
+    event = Event_Factory.create_event(
+        "file_externally_modified",
+        file   = file,
+        buffer = file.buffer
+    )
+    emit(event)
 
-    ...
+    if not file.buffer.get_modified():
+        file.reload()
+        return
 
+    result = ask_yes_no("File has been externally modified. Reload?")
+    if not result: return
+
+    file.reload()

plugins/code/event-watchers/prettify_json/prettify_json.py

@@ -13,8 +13,6 @@ from gi.repository import Gtk
 
 
 def add_prettify_json(buffer, menu):
-    menu.append(separator)
-
     def on_prettify_json(menuitem, buffer):
         start_itr, \
         end_itr = buffer.get_start_iter(), buffer.get_end_iter()
@@ -28,4 +26,4 @@ def add_prettify_json(buffer, menu):
 
     item = Gtk.MenuItem(label = "Prettify JSON")
     item.connect("activate", on_prettify_json, buffer)
-    menu.append(item)
+    menu.append(item)