git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/ex-mode/lib/ex-view-model.coffee

   1 {ViewModel, Input} = require './view-model'
   2
   3 module.exports =
   4 class ExViewModel extends ViewModel
   5   constructor: (@exCommand) ->
   6     super(@exCommand, class: 'command')
   7     @historyIndex = -1
   8
   9     atom.commands.add(@view.editorElement, 'core:move-up', @increaseHistoryEx)
  10     atom.commands.add(@view.editorElement, 'core:move-down', @decreaseHistoryEx)
  11
  12   restoreHistory: (index) ->
  13     @view.editorElement.getModel().setText(@history(index).value)
  14
  15   history: (index) ->
  16     @exState.getExHistoryItem(index)
  17
  18   increaseHistoryEx: =>
  19     if @history(@historyIndex + 1)?
  20       @historyIndex += 1
  21       @restoreHistory(@historyIndex)
  22
  23   decreaseHistoryEx: =>
  24     if @historyIndex <= 0
  25       # get us back to a clean slate
  26       @historyIndex = -1
  27       @view.editorElement.getModel().setText('')
  28     else
  29       @historyIndex -= 1
  30       @restoreHistory(@historyIndex)
  31
  32   confirm: (view) =>
  33     @value = @view.value
  34     @exState.pushExHistory(@)
  35     super(view)