Edit.py

# modified from https://github.com/titoBouzout/Open-Include/blob/master/Edit.py

import sublime
import sublime_plugin
from collections import defaultdict

try:
	sublime.edit_storage
except AttributeError:
	sublime.edit_storage = {}

class EditStep:

	def __init__ ( self, cmd, *args ):
		self.cmd  = cmd
		self.args = args

	def run ( self, view, edit ):
		funcs = \
			{
				'insert':  view.insert,
				'erase':   view.erase,
				'replace': view.replace,
			}

		func = funcs.get ( self.cmd )

		if func:
			func ( edit, *self.args )

class Edit:

	defer = defaultdict ( dict )

	def __init__ ( self, view ):
		self.view = view
		self.steps = []

	def step ( self, cmd, *args ):
		step = EditStep ( cmd, *args )
		self.steps.append ( step )

	def insert ( self, point, string ):
		self.step ( 'insert', point, string )
		self.execute ()

	def erase ( self, region ):
		self.step ( 'erase', region )
		self.execute ()

	def replace ( self, region, string ):
		self.step ( 'replace', region, string )
		self.execute ()

	def run ( self, view, edit ):
		for step in self.steps:
			step.run ( view, edit )

	def execute ( self ):
		view = self.view

		key = str ( hash ( tuple ( self.steps ) ) )
		sublime.edit_storage[ key ] = self.run
		view.run_command ( 'apply_edit', { 'key': key } )

		self.steps = []

class apply_edit ( sublime_plugin.TextCommand ):

	def run ( self, edit, key ):
		sublime.edit_storage.pop ( key ) ( self.view, edit )