markdown_preview.js.coffee

class MarkdownPreview
  constructor: (element) ->
    @$element = $(element)
    @$preview = $("##{@$element.attr("id")}-preview")
    if @$element.val?()
      @get_preview()

    throttled_get_preview = _.throttle @get_preview(), 1000

    @$element.keyup =>
      console.log 'keyup'
      throttled_get_preview()

  get_preview: =>
    text = @$element.val()
    console.log 'word'

    request = $.post "/admin/markdown_preview", {text: text}
    request.success @success
    request.fail @error

  success: (data) =>
    @$preview.html(data.html)

  error: (data) =>
    @$preview.html("There was a problem generating the preview. Please try again.")

Featurette.register("markdown-preview", MarkdownPreview)