extension/lib/mode-hints/mode-hints.coffee

   1 ###
   2 # Copyright Anton Khodakivskiy 2013, 2014.
   3 # Copyright Simon Lydell 2013, 2014.
   4 #
   5 # This file is part of VimFx.
   6 #
   7 # VimFx is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # VimFx is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with VimFx.  If not, see <http://www.gnu.org/licenses/>.
  19 ###
  20
  21 utils = require('../utils')
  22 hints = require('./hints')
  23
  24 exports.mode_hints =
  25   onEnter: (vim, storage, callback) ->
  26     markers = hints.injectHints(vim.window)
  27     if markers?.length > 0
  28       storage.markers  = markers
  29       storage.callback = callback
  30     else
  31       vim.enterMode('normal')
  32
  33   onLeave: (vim, storage) ->
  34     hints.removeHints(vim.window.document)
  35     storage.markers = storage.callback = undefined
  36
  37   onInput: (vim, storage, keyStr, event) ->
  38     { markers, callback } = storage
  39
  40     switch
  41       when @commands['exit'].match(keyStr)
  42         vim.enterMode('normal')
  43         return true
  44
  45       when @commands['rotate_markers_forward'].match(keyStr)
  46         hints.rotateOverlappingMarkers(markers, true)
  47       when @commands['rotate_markers_backward'].match(keyStr)
  48         hints.rotateOverlappingMarkers(markers, false)
  49
  50       when @commands['delete_hint_char'].match(keyStr)
  51         for marker in markers
  52           marker.deleteHintChar()
  53
  54       else
  55         if keyStr not in utils.getHintChars()
  56           return true
  57         for marker in markers
  58           marker.matchHintChar(keyStr)
  59
  60           if marker.isMatched()
  61             marker.reward() # Add element features to the bloom filter.
  62             dontEnterNormalMode = callback(marker, markers)
  63             vim.enterMode('normal') unless dontEnterNormalMode
  64             break
  65
  66     return true
  67
  68   commands:
  69     exit:                    ['<escape>']
  70     rotate_markers_forward:  ['<space>']
  71     rotate_markers_backward: ['<s-space>']
  72     delete_hint_char:        ['<backspace>']