listener.py

import os
import re
import sublime
import sublime_plugin
from const import *

class ClosureLinterEventListener(sublime_plugin.EventListener):
  """jslint event"""
  disabled = False

  def __init__(self):
    self.previous_resion = None
    self.file_view = None

  def on_deactivated(self, view):
    if view.name() != RESULT_VIEW_NAME:
      return
    self.previous_resion = None

    if self.file_view:
      self.file_view.erase_regions(RESULT_VIEW_NAME)

  def on_selection_modified(self, view):
    if ClosureLinterEventListener.disabled:
      return
    if view.name() != RESULT_VIEW_NAME:
      return
    region = view.line(view.sel()[0])

    # make sure call once.
    if self.previous_resion == region:
      return
    self.previous_resion = region

    # extract line from jslint result.
    m = re.match('^Line (\d+), E:(\d+):', view.substr(region))
    if m == None:
        return
    line = int(m.group(1))
    col = int(m.group(2))

    # hightligh view line.
    view.add_regions(RESULT_VIEW_NAME, [region], "comment")

    # find the file view.
    file_path = view.settings().get('file_path')
    window = sublime.active_window()
    file_view = None
    for v in window.views():
      if v.file_name() == file_path:
        file_view = v
        break
    if file_view == None:
      return

    self.file_view = file_view
    window.focus_view(file_view)
    file_view.run_command("goto_line", {"line": line})
    file_region = file_view.line(file_view.sel()[0])

    # highlight file_view line
    file_view.add_regions(RESULT_VIEW_NAME, [file_region], "string")