ycm style completion in atom autocomplete-plus

add_to_keymap_and_init.cson

# in keymap.cson

'atom-text-editor:not(mini).autocomplete-active':
  'enter'    : 'autocomplete-plus:confirm'
  'tab'      : 'core:move-down'
  'shift-tab': 'core:move-up'
  '.'        : 'custom:ycm-style-complete-dot'
  '('        : 'custom:ycm-style-complete-openparen'
  '['        : 'custom:ycm-style-complete-opensquare'
  '{'        : 'custom:ycm-style-complete-opencurly'
  ')'        : 'custom:ycm-style-complete-endparen'
  ']'        : 'custom:ycm-style-complete-endsquare'
  '}'        : 'custom:ycm-style-complete-endcurly'
  '"'        : 'custom:ycm-style-complete-doublequote'
  "'"        : 'custom:ycm-style-complete-singlequote'
  ' '        : 'custom:ycm-style-complete-space'
  ';'        : 'custom:ycm-style-complete-semicolon'
  
# and corresponding commands in init.coffee
# could be shorter if atom/atom#9209 gets made
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-dot', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('.')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-openparen', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('(')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-opensquare', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('[')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-opencurly', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('{')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-endparen', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText(')')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-endsquare', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText(']')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-endcurly', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('}')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-doublequote', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText('"')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-singlequote', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText("'")
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-space', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText(' ')
atom.commands.add 'atom-text-editor', 'custom:ycm-style-complete-semicolon', (e) ->
  atom.commands.dispatch(e.currentTarget, 'autocomplete-plus:confirm')
  atom.workspace.getActiveTextEditor()?.insertText(';')