kdf/src/components/inputs/hitenterinputview.coffee

KD: a non-document focused UI Framework for web applications.

KDInputView = require './inputview.coffee'

module.exports = class KDHitEnterInputView extends KDInputView

  constructor:(options = {}, data)->

    options.type            or= 'textarea'
    options.cssClass          = KD.utils.curry 'hitenterview', options.cssClass
    options.button          or= null
    options.showButton       ?= no
    options.label           or= null
    options.placeholder     or= ""
    options.callback        or= null
    options.togglerPartials or= ['quick update disabled', 'quick update enabled']

    super options,data

    @button = @getOptions().button ? null
    @enableEnterKey()
    @setToggler() if options.label?
    @disableEnterKey() if @getOptions().showButton

    @on 'ValidationPassed', =>
      {callback} = @getOptions()
      callback?.call this, @getValue()

  enableEnterKey:->
    @setClass "active"
    @hideButton() if @button
    @inputEnterToggler.$().html(@getOptions().togglerPartials[1]) if @inputEnterToggler?
    @enterKeyEnabled = yes

  disableEnterKey:->
    @unsetClass "active"
    @showButton() if @button
    @inputEnterToggler.$().html(@getOptions().togglerPartials[0]) if @inputEnterToggler?
    @enterKeyEnabled = no

  setToggler:->
    o = @getOptions()
    @inputEnterToggler = new KDCustomHTMLView
      tagName  : "a"
      cssClass : "hitenterview-toggle"
      partial  : if o.showButton then o.togglerPartials[0] else o.togglerPartials[1]
      click    : @bound "toggleEnterKey"

    @inputLabel.addSubView @inputEnterToggler

  hideButton:-> @button.hide()

  showButton:-> @button.show()

  toggleEnterKey:->
    if @enterKeyEnabled then @disableEnterKey() else @enableEnterKey()

  keyDown: (event) ->
    if event.which is 13 and (event.altKey or event.shiftKey) isnt true and @enterKeyEnabled
      event.preventDefault()
      @emit "EnterPerformed"
      @validate()
      no
    else if event.which is 27 # escape
      @emit "EscapePerformed"