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A simple but elegant autocomplete powered by backbone.js and underscore.js
JavaScript CoffeeScript CSS
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README.md
autocomplete.js

README.md

backbone-autocomplete

TODO

  • api to change autocomplete input field
  • unit tests
  • fix TODOS
  • update docs to better explain how to use each method
  • add package.json

A progressively enhanced autocomplete field powered by backbone.js and underscore.js

Overview

html:

<div class="autocomplete">
  <form action="/search">
    <input type="text" placeholder="Search...">
    <ul class="autocomplete-results" style="display: none"></ul>
  </form>
</div>

coffee:

document.ready ->
  c = new AutocompleteItems [
    { name: 'apple'   , kind: 'fruit'    , token: '#' },
    { name: 'orange'  , kind: 'fruit'    , token: '#' },
    { name: 'carrot'  , kind: 'vegetable', token: '@' },
    { name: 'broccoli', kind: 'vegetable', token: '@' },
  ]
  v = new AutocompleteItemsView(
    el: $('.autocomplete')
    collection: c
  )

Options

Required

  • el: an element containing a input[type=text] field
  • collection: a AutocompleteItems collection

Optional

  • itemView: a subclass of AutocompleteItemView if you need custom behavior

Methods

  • submit()

    • submits the parent form. if needed, finishes autocomplete from selected result
  • showResults()

    • shows autocomplete results
  • hideResults()

    • hides autocomplete results
  • selectResult(index = 0)

    • selects the autocomplete item at the given index. does not submit the form.

Behavior

  • typing or copy/paste into the field shows autocomplete results
    • each autocomplete result shows matching substrings within tags
  • clearing the input field hides autocomplete results
  • cycle through autocomplete results with mouse hover or up/down arrow keypress
  • select an autocomplete result with mouse click or enter keypress
    • selecting also submits the form containing the autocomplete field
  • after submit, the field blurs and autocomplete results are hidden

Building

You'll need Coffeescript to build

npm install -g coffee-script

Source

This will generate a .js from the source

cake build

Docs

Dependencies: Coffeescript & Docco

You'll also need docco to build the docs

npm install -g docco

Building

cake docs
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