Sublime tagline plugin.

sublime_tagline.py

import sublime, sublime_plugin
import time

class IsNoteCommand(sublime_plugin.TextCommand):
  def run(self, edit):
    pos = self.view.sel()[0].begin()
    noteid = self.noteid()
    message = "==NOTE-%d %s" % (noteid, time.strftime("%Y.%m.%d %H:%M:%S\n"))
    self.view.insert(edit, pos, message)

  def noteid(self):
    # ref:
    # https://forum.sublimetext.com/t/how-to-get-complete-text-contents-of-active-tab/4758/2
    noteid = 0
    content = self.view.substr(sublime.Region(0, self.view.size()))
    lines = content.replace("\r\n", "\n").replace("\r", "\n").split("\n")
    for line in lines:
      if (line.startswith("==NOTE-")):
        curid = int(line[7:].split()[0])
        if (curid > noteid):
          noteid = curid
    noteid += 1
    return noteid;