Snippet from my record line file for pythonscript plugin in n++

changeLineRecorded.py

class FilePosition:
	
	def __init__(self, bufferId):
		self.bufferId = bufferId #sets the bufferId
		self.filePositions = [] # where the modified lines will be stored
		self.lastPos = 0
		self.counter = 0

	def addFilePosition(self, pos):
		self._findDelete(pos) # checks if the line number is already in the list
		
		if editor.getLineCount() < pos:
			pos = editor.getLineCount()
			
		self.filePositions.append(pos) # adds the line number
		self.lastPos = pos

	def getBufferId(self): #returns buffer id 
		return self.bufferId 
		
	def printAll(self): # prints all the positions stored in the object
		for i,j in enumerate(self.filePositions):
			console.write(str(j) + '\n')
		console.write('end  \n')
		
	def getPrev(self):
		pass
		
	def getNext(self):
		pass
		
	def getLastPos(self):
		return self.lastPos
	
	def _findDelete(self, pos):
		self.maxPos = editor.getLineCount()-1
		for i,j in enumerate(self.filePositions):
			if j == pos or j > self.maxPos:
				self.filePositions.remove(j)
		

class FilePositionCollection:
	_fpc = []
	
	#adding(1040) or deleting (2064) adds a line position
	_modificationTypes = [1040,2064]
	
	def modified(self,args):
		
		# if the arguments contain a valid modification type add it to positions
		if args['modificationType'] in self._modificationTypes:
			
			self.fp1 = self.fpcExists(notepad.getCurrentBufferID())
			
			self.pos = editor.lineFromPosition(args['position'])
			
			if self.fp1.getLastPos() != self.pos:
				self.fp1.addFilePosition(self.pos)
				self.fp1.printAll()

	def getNext(self):
		self.fp1 = self.fpcExists(notepad.getCurrentBufferID())
		pass
	
	def getPrev(self):
		self.fp1 = self.fpcExists(notepad.getCurrentBufferID())
		pass
		
	def fpcExists(self, bufferId):
		
		'''
			If the object doesn't exist with the specified 
			bufferId
			create it.
		''' 
		
		for i, o in enumerate(FilePositionCollection._fpc):
			if o.getBufferId() == bufferId:
				return o
		else:
			FilePositionCollection._fpc.append(FilePosition(bufferId))
			return FilePositionCollection._fpc[len(FilePositionCollection._fpc)-1]
		
		
fpc = FilePositionCollection()

editor.callback(fpc.modified, [SCINTILLANOTIFICATION.MODIFIED])

editor.callback(fpc.modified, [SCINTILLANOTIFICATION.MODIFIED]) -- this binds a method if a change in the active tab is detected