Python script for FSE

#########################################################################################################################
# 	Creates a menu from which you can select the alias to use for your plane with FSE
# 	The file with the aliases can be found in the aircraft folder: FSE_aliases.txt
#########################################################################################################################
 
from XPLMDataAccess import *
from XPLMMenus import *
from XPLMPlanes import *
import time
import os
 
##########################################################################################################################
## the main plugin interface class
class PythonInterface:
	def XPluginStart(self):
		self.Name = "X-Economy aliases"
		self.Sig =  "MH.Python.FSE"
		self.Desc = "FSE alias changer"
		self.VERSION="Beta-1"
 
		self.readMaxConfigLines=100
 
		self.aliasFile = os.path.join('Aircraft', 'FSE_aliases.txt')
 
		self.aliasData=[] #list of planes
 
		self.readConfig(0);
 
		return self.Name, self.Sig, self.Desc
 
	def XPluginStop(self):
		pass
 
	def XPluginEnable(self):
		return 1
 
	def XPluginDisable(self):
		pass
 
	def XPluginReceiveMessage(self, inFromWho, inMessage, inParam):
		pass
 
	#############################################################
	## Menu Handler
	def XFSEMenuHandler(self, inMenuRef, inItemRef):
		print "[MH|dbg] XFSEMenuHandler: MenuRef="+str(inMenuRef)+" ItemRef="+str(inItemRef)
 
		if inItemRef==100: #reload config
			self.readConfig(1)
			return 1
		for entry in self.aliasData:
			if entry[0]==inItemRef:
				self.changeAlias(entry[1])
				return 1
		return 0
 
	#############################################################
	## read config file
	def readConfig(self, initial):
 
		# XPLMFindPluginsMenu (menubar XP)
		#	- ParentItem (= FSE aliases)
		#		- ParentId (= menu of plugin)
		#			- MenuItem (= options + aliases)
 
		if initial==0:
			self.ParentItem = XPLMAppendMenuItem(XPLMFindPluginsMenu(), self.Name, 0, 1)
			self.XFSEMenuHandlerCB = self.XFSEMenuHandler
			self.ParentId = XPLMCreateMenu(self, self.Name , XPLMFindPluginsMenu(), self.ParentItem, self.XFSEMenuHandlerCB, 0)
		XPLMClearAllMenuItems(self.ParentId)
		self.aliasData=[]
		btnId=110
		XPLMAppendMenuItem(self.ParentId, "Reload aircraft aliases", 100, 1)
		XPLMAppendMenuItem(self.ParentId, "-", 101, 1)
		lineCount=0
 
		if (os.path.exists(self.aliasFile) and os.path.isfile(self.aliasFile)):
			with open(self.aliasFile, "r") as lines:
				print "[MH|dbg] Reading config "+self.aliasFile
				for line in lines:
					# split lines ...
					elements=line.split(",")
					# trim all elements
					elements = [w.strip() for w in elements]
					lineCount=lineCount+1
					if lineCount>self.readMaxConfigLines:
						MenuItem=XPLMAppendMenuItem(self.ParentId, "stopped parsing here ... there are more aircrafts defined in the config!", btnId, 1)
						XPLMEnableMenuItem(self.ParentId, MenuItem, 0)
						break
					else:	
						if elements[0]=="#CAT":
							self.MenuItem = XPLMAppendMenuItem(self.ParentId, elements[1], 0, 1)
							self.MenuId = XPLMCreateMenu(self, elements[1] , self.ParentId, self.MenuItem, self.XFSEMenuHandlerCB, 0)
						else:
							if len(elements)>1:
								pax = elements[1]
							else:
								pax = "?"
							XPLMAppendMenuItem(self.MenuId, elements[0]+" | "+pax+" pax", btnId, 1)
							self.aliasData.append( (btnId, elements[0]) )
							btnId=btnId+1
				return 0
		print "[MH|dbg] Reading config failed"
		return 0
 
	#############################################################
	def changeAlias(self, alias):
		raw_PlanePath = XPLMGetNthAircraftModel(0)
		planePath = os.path.dirname(raw_PlanePath[1])
		print "[MH|dbg] Change alias ("+alias+", "+planePath+")"
		aliasFile = os.path.join(planePath, 'xfse_alias.txt')
		if (os.path.exists(aliasFile) and os.path.isfile(aliasFile)):
			#patch the alias file
			fd = open(aliasFile, 'wb')
			alias = fd.write(alias)
			fd.close()
		else:
			print "[MH|ERR] ... aliasFile '"+aliasFile+"' not found!"
		return 0
 
	#The End