gistfile1.coffee

class Instruments2.Views.FilterQuestionSets extends Backbone.View

  template: JST['folders/filter']

  id: "filter-question-sets"
  className: "clearfix"

  events:
    "keyup input[type=text]": "filter"

  render: ->
    @$el.html(@template())

  filter: (e) ->
    query = $(this.el).find("input").val()

    if query == ""
      $(".question-set-in-list").show()

    #some ghetto caching
    unless @question_sets
      @question_sets =  $(".question-set-in-list")

    # Loop over the question sets and show / hide
    @question_sets.each ->
      name = $(this).find("a").html()
      expression = new RegExp(query,"gi")
      match = name.match(expression)
      if match == null
        $(this).hide()
      else
        $(this).show()