sublime text 另一种对齐

效果如下：

http://sublime-text-unofficial-documentation.readthedocs.org/en/latest/extensibility/plugins.html

 #coding=utf-8
 import sublime, sublime_plugin
 
 class AutoAlignmentCommand(sublime_plugin.TextCommand):
     def auto_align(self, edit):
         pre_row = -1
         pos_max_x = 0.0
         for region in self.view.sel():
             (row,col) = self.view.rowcol(region.begin())
             if row == pre_row:
                 sublime.error_message(u"不能在同一行选中两个位置！！")
                 return -1
             pre_row = row
             point_end = region.end()
             vec_pos = self.view.text_to_layout(point_end)
             if vec_pos[0] > pos_max_x:
                 print vec_pos[0]
                 pos_max_x = vec_pos[0]
 
         is_finished = True
         for region in self.view.sel():
             pos_cur_x = self.view.text_to_layout(region.end())[0]
             print "pos_cur_x", pos_cur_x
             if pos_cur_x < pos_max_x:
                 self.view.insert(edit, region.end(), "\t")
                 is_finished = False
 
         return is_finished
 
     def run(self, edit):
         count = 0
         while True:
             # 防止死循环,最多循环50次
             count = count + 1
             ret = self.auto_align(edit)
             if count > 50 or ret == -1 or ret == True:
                 return

http://www.sublimetext.com/docs/2/api_reference.html