implementing more plugin functionality

plugin_loader.py

@@ -1,7 +1,9 @@
 from textual_window import Window
 from textual.widgets import RichLog, Button
-from textual import work
+from textual import work, on
-from textual.binding import Binding
+import textual.widgets
+from traceback import format_exception
+
 from lupa import lua51
 
 import os, json, asyncio
@@ -45,6 +47,12 @@ class PluginLoader(Window):
 			function()
 
 		setattr(self.app, f"action_{action_name}", wrapper)
+	
+	def create_widget(self, widget_type: str, *args):
+		return getattr(textual.widgets, widget_type)(*args)
+	
+	def run_on_event(self, event, function):
+		raise NotImplementedError("runOnEvent is not implemented yet.")
 
 	def create_window(self, title: str, icon: str = "", show_title: bool = True, can_close: bool = True, can_maximize: bool = True, can_resize: bool = True, start_horizontal: str = "center", start_vertical: str = "middle"):
 		new_window = Window(
@@ -58,7 +66,7 @@ class PluginLoader(Window):
 			starting_horizontal=start_horizontal,
 			starting_vertical=start_vertical
 		)
-		self.app.mount(new_window)
+		#self.app.mount(new_window)
 		return new_window
 
 	# endregion
@@ -76,12 +84,15 @@ class PluginLoader(Window):
 			"ui": {
 				"notify": self.fake_notify,
 				#"createSidebarButton": self.create_sidebar_button,
-				"setTheme": self.set_theme,
+				#"setTheme": self.set_theme,
 				"runAction": self.fake_run_action,
 				"addBind": self.add_bind,
 				"createAction": self.create_action,
-				"createWindow": self.create_window
+				"createWindow": self.create_window,
-			}
+				"createWidget": self.create_widget,
+				"app": self.app,
+				"runOnEvent": self.run_on_event
+			},
 		}
 
 		log.write("[b]Finding plugins...[/]")
@@ -160,15 +171,19 @@ class PluginLoader(Window):
 						try:
 							executed_code = self.lua_runtime.execute(code)
 						except lua51.LuaError as e:
-							log.write(f"[b red]Error in {lua_file_path}: {e}[/]")
+							log.write(f"[b red]Error in {lua_file_path}:\n" + '\n'.join(format_exception(e)) + "[/]")
 							self.notify("There was Lua error while loading one your installed plugins. Check the Plugin Loader window for more details.", title="Lua Error", severity="error", timeout=10)
 							no_errors = False
 							continue
 						
-						if executed_code.init:
+						if executed_code.run:
-							executed_code.init()
+							try:
-						if executed_code.main:
+								executed_code.run()
-							self.run_worker(thread=True, work=executed_code.main)
+							except Exception as e:
+								log.write(f"[b red]Runtime error in {lua_file_path}:\n" + "\n".join(format_exception(e)) + "[/]")
+								self.notify("A plugin has created an error. Check the log for more details.", title="Lua Error", severity="error", timeout=10)
+								no_errors = False
+								continue
 				
 				plugin_paths.append(plugin_folder)
 

plugins/test-plugin/lua/main.lua

@@ -1,12 +1,14 @@
 local plugin = {}
 
-function testAction()
+function plugin.run()
     local window = berry.ui.createWindow("test window")
-end
+    berry.ui.app.mount(window)
+    berry.ui.runOnEvent(window.Initialized, function()
+        local test = berry.ui.createWidget("Static", "the absolute minimal experience")
+        window.mount_in_window(test)
+    end)
 
-function plugin.init()
+    
-    berry.ui.createAction("test", testAction)
-    berry.ui.addBind("test", "ctrl+d", "Test")
 end
 
 return plugin