overwrite AC_path in project file

GDL.py

@@ -53,6 +53,15 @@ def get_project_subroot(view):
 	sub_root_setting = project_data.get('root', "")
 	return sub_root_setting
 
+def get_project_app_path(view):
+	""" Returns a path to a certain Archicad version, if set in the project file.
+		(Useful if one is developing for different Archicad versions and
+		they want to use the appropiate LP Converter version.)
+	"""
+	project_data = view.window().project_data()
+	app_path = project_data.get('AC_path', "")
+	return app_path
+
 def err(text):
 	""" Gives us a ST error message. """
 	if text == None:
@@ -107,12 +116,19 @@ def on_post_save_async(self, view):
 ############################################################################
 class Builder(sublime_plugin.WindowCommand):
 	def run(self, *args, **kwargs):
-		self.lp_conv_path = self.check_system()
+		self.view = self.window.active_view()
 		self.pckg_settings = sublime.load_settings(PACKAGE_SETTINGS)
-		self.AC_path = str(self.pckg_settings.get("AC_path", DEFAULT_AC_PATH))
+
+		# get the path to the LP_XML_Converter right
+		project_app_path = get_project_app_path(self.view)
+		if project_app_path == None:
+			self.AC_path = str(self.pckg_settings.get("AC_path", DEFAULT_AC_PATH))
+		else:
+			self.AC_path = project_app_path
+
+		self.lp_conv_path = self.check_system()
 		self.converter = os.path.join(self.AC_path, self.lp_conv_path)
 
-		self.view = self.window.active_view()
 		if self.view.settings().get("auto_save", True):
 			save_all_files()