extension/packages/modes.coffee

   1 utils = require 'utils'
   2 hints = require 'hints'
   3
   4 mode_hints =
   5   enter: (vim, storage, [ callback ]) ->
   6     markers = hints.injectHints(vim.window.document)
   7     if markers.length == 0
   8       vim.enterNormalMode()
   9       return
  10     storage.markers = markers
  11     storage.callback = callback
  12
  13   handleKeyDown: (vim, storage, event, keyStr) ->
  14     if utils.getHintChars().search(utils.regexpEscape(keyStr)) > -1
  15       @hintCharHandler(vim, storage, keyStr)
  16       return true
  17
  18   onEnterNormalMode: (vim, storage) ->
  19     hints.removeHints(vim.window.document)
  20     storage.markers = storage.callback = undefined
  21
  22   # Processes the char, updates and hides/shows markers
  23   hintCharHandler: (vim, storage, keyStr) ->
  24     if keyStr
  25       # Get char and escape it to avoid problems with String.search
  26       key = utils.regexpEscape(keyStr)
  27
  28       { markers, callback } = storage
  29
  30       # First do a pre match - count how many markers will match with the new character entered
  31       if markers.reduce(((v, marker) -> v or marker.willMatch(key)), false)
  32         for marker in markers
  33           marker.matchHintChar(key)
  34
  35           if marker.isMatched()
  36             # Add element features to the bloom filter
  37             marker.reward()
  38             callback(marker)
  39             vim.enterNormalMode()
  40             break
  41
  42 modes =
  43   hints: mode_hints
  44
  45 exports.modes = modes