batman/src/batman.solo.coffee

#
# batman.nodep.coffee
# batman.js
#
# Created by Nick Small
# Copyright 2011, Shopify
#
`
/*!
  * Reqwest! A x-browser general purpose XHR connection manager
  * copyright Dustin Diaz 2011
  * https://github.com/ded/reqwest
  * license MIT
  */
!
function(context, win) {

    var twoHundo = /^20\d$/,
        doc = document,
        byTag = 'getElementsByTagName',
        contentType = 'Content-Type',
        head = doc[byTag]('head')[0],
        uniqid = 0,
        lastValue // data stored by the most recent JSONP callback
        , xhr = ('XMLHttpRequest' in win) ?
        function() {
            return new XMLHttpRequest()
        } : function() {
            return new ActiveXObject('Microsoft.XMLHTTP')
        }

        function readyState(o, success, error) {
            return function() {
                if (o && o.readyState == 4) {
                    if (twoHundo.test(o.status)) {
                        success(o)
                    } else {
                        error(o)
                    }
                }
            }
        }

        function setHeaders(http, o) {
            var headers = o.headers || {}
            headers.Accept = headers.Accept || 'text/javascript, text/html, application/xml, text/xml, */*'

            // breaks cross-origin requests with legacy browsers
            if (!o.crossOrigin) {
                headers['X-Requested-With'] = headers['X-Requested-With'] || 'XMLHttpRequest'
            }

            if (o.data) {
                headers[contentType] = headers[contentType] || 'application/x-www-form-urlencoded'
            }
            for (var h in headers) {
                headers.hasOwnProperty(h) && http.setRequestHeader(h, headers[h], false)
            }
        }

        function getCallbackName(o) {
            var callbackVar = o.jsonpCallback || "callback"
            if (o.url.slice(-(callbackVar.length + 2)) == (callbackVar + "=?")) {
                // Generate a guaranteed unique callback name
                var callbackName = "reqwest_" + uniqid++

                // Replace the ? in the URL with the generated name
                o.url = o.url.substr(0, o.url.length - 1) + callbackName
                return callbackName
            } else {
                // Find the supplied callback name
                var regex = new RegExp(callbackVar + "=([\\w]+)")
                return o.url.match(regex)[1]
            }
        }

        // Store the data returned by the most recent callback


        function generalCallback(data) {
            lastValue = data
        }

        function getRequest(o, fn, err) {
            function onload() {
                // Call the user callback with the last value stored
                // and clean up values and scripts.
                o.success && o.success(lastValue)
                lastValue = undefined
                head.removeChild(script);
            }
            if (o.type == 'jsonp') {
                var script = doc.createElement('script')

                // Add the global callback
                win[getCallbackName(o)] = generalCallback;

                // Setup our script element
                script.type = 'text/javascript'
                script.src = o.url
                script.async = true

                script.onload = onload
                // onload for IE
                script.onreadystatechange = function() {
                    /^loaded|complete$/.test(script.readyState) && onload()
                }

                // Add the script to the DOM head
                head.appendChild(script)
            } else {
                var http = xhr()
                http.open(o.method || 'GET', typeof o == 'string' ? o : o.url, true)
                setHeaders(http, o)
                http.onreadystatechange = readyState(http, fn, err)
                o.before && o.before(http)
                http.send(o.data || null)
                return http
            }
        }

        function Reqwest(o, fn) {
            this.o = o
            this.fn = fn
            init.apply(this, arguments)
        }

        function setType(url) {
            if (/\.json$/.test(url)) {
                return 'json'
            }
            if (/\.jsonp$/.test(url)) {
                return 'jsonp'
            }
            if (/\.js$/.test(url)) {
                return 'js'
            }
            if (/\.html?$/.test(url)) {
                return 'html'
            }
            if (/\.xml$/.test(url)) {
                return 'xml'
            }
            return 'js'
        }

        function init(o, fn) {
            this.url = typeof o == 'string' ? o : o.url
            this.timeout = null
            var type = o.type || setType(this.url),
                self = this
                fn = fn ||
                function() {}

                if (o.timeout) {
                    this.timeout = setTimeout(function() {
                        self.abort()
                        error()
                    }, o.timeout)
                }

                function complete(resp) {
                    o.complete && o.complete(resp)
                }

                function success(resp) {
                    o.timeout && clearTimeout(self.timeout) && (self.timeout = null)
                    var r = resp.responseText

                    if (r) {
                        switch (type) {
                        case 'json':
                            resp = win.JSON ? win.JSON.parse(r) : eval('(' + r + ')')
                            break;
                        case 'js':
                            resp = eval(r)
                            break;
                        case 'html':
                            resp = r
                            break;
                        }
                    }

                    fn(resp)
                    o.success && o.success(resp)
                    complete(resp)
                }

                function error(resp) {
                    o.error && o.error(resp)
                    complete(resp)
                }

                this.request = getRequest(o, success, error)
        }

        Reqwest.prototype = {
            abort: function() {
                this.request.abort()
            }

            ,
            retry: function() {
                init.call(this, this.o, this.fn)
            }
        }

        function reqwest(o, fn) {
            return new Reqwest(o, fn)
        }

        function enc(v) {
            return encodeURIComponent(v)
        }

        function serial(el) {
            var n = el.name
            // don't serialize elements that are disabled or without a name
            if (el.disabled || !n) {
                return ''
            }
            n = enc(n)
            switch (el.tagName.toLowerCase()) {
            case 'input':
                switch (el.type) {
                    // silly wabbit
                case 'reset':
                case 'button':
                case 'image':
                case 'file':
                    return ''
                case 'checkbox':
                case 'radio':
                    return el.checked ? n + '=' + (el.value ? enc(el.value) : true) + '&' : ''
                default:
                    // text hidden password submit
                    return n + '=' + (el.value ? enc(el.value) : '') + '&'
                }
                break;
            case 'textarea':
                return n + '=' + enc(el.value) + '&'
            case 'select':
                // @todo refactor beyond basic single selected value case
                return n + '=' + enc(el.options[el.selectedIndex].value) + '&'
            }
            return ''
        }

        reqwest.serialize = function(form) {
            var fields = [form[byTag]('input'), form[byTag]('select'), form[byTag]('textarea')],
                serialized = []

                for (var i = 0, l = fields.length; i < l; ++i) {
                    for (var j = 0, l2 = fields[i].length; j < l2; ++j) {
                        serialized.push(serial(fields[i][j]))
                    }
                }
                return serialized.join('').replace(/&$/, '')
        }

        reqwest.serializeArray = function(f) {
            for (var pairs = this.serialize(f).split('&'), i = 0, l = pairs.length, r = [], o; i < l; i++) {
                pairs[i] && (o = pairs[i].split('=')) && r.push({
                    name: o[0],
                    value: o[1]
                })
            }
            return r
        }

        var old = context.reqwest
    reqwest.noConflict = function() {
        context.reqwest = old
        return this
    }

    // defined as extern for Closure Compilation
    if (typeof module !== 'undefined') module.exports = reqwest
    context['reqwest'] = reqwest

}(this, window)

`
(exports ? this).reqwest = if window? then window.reqwest else reqwest

# `param` and `buildParams` stolen from jQuery
#
# jQuery JavaScript Library v1.6.1
# http://jquery.com/
#
# Copyright 2011, John Resig
# Dual licensed under the MIT or GPL Version 2 licenses.
# http://jquery.org/license
rbracket = /\[\]$/
r20 = /%20/g
param = (a) ->
  s = []
  add = (key, value) ->
    value = (if Batman.typeOf(value) is 'function' then value() else value)
    s[s.length] = encodeURIComponent(key) + "=" + encodeURIComponent(value)

  if Batman.typeOf(a) is 'Array'
    for value, name of a
      add name, value
  else
    for k, v of a
      buildParams k, v, add
  s.join("&").replace r20, "+"

buildParams = (prefix, obj, add) ->
  if Batman.typeOf(obj) is 'Array'
    for v, i in obj
      if rbracket.test(prefix)
        add prefix, v
      else
        buildParams prefix + "[" + (if typeof v == "object" or Batman.typeOf(v) is 'Array' then i else "") + "]", v, add
  else if obj? and typeof obj == "object"
    for name of obj
      buildParams prefix + "[" + name + "]", obj[name], add
  else
    add prefix, obj

Batman.Request::send = (data) ->
  @fire 'loading'

  options =
    url: @get 'url'
    method: @get 'method'
    type: @get 'type'
    headers: {}

    success: (response) =>
      @set 'response', response
      @set 'status', xhr.status
      @fire 'success', response

    error: (xhr) =>
      @set 'response', xhr.responseText || xhr.content
      @set 'status', xhr.status
      xhr.request = @
      @fire 'error', xhr

    complete: =>
      @fire 'loaded'

  if options.method in ['PUT', 'POST']
    unless @get('formData')
      options.headers['Content-type'] = @get 'contentType'
      data = data || @get('data')
      if options.method is 'GET'
        options.url += param(data)
      else
        options.data = param(data)
    else
      options.data = @constructor.objectToFormData(options.data)

  # Fires the request. Grab a reference to the xhr object so we can get the status code elsewhere.
  xhr = (reqwest options).request

prefixes = ['Webkit', 'Moz', 'O', 'ms', '']
Batman.mixins.animation =
  initialize: ->
    for prefix in prefixes
      @style["#{prefix}Transform"] = 'scale(0, 0)'
      @style.opacity = 0

      @style["#{prefix}TransitionProperty"] = "#{if prefix then '-' + prefix.toLowerCase() + '-' else ''}transform, opacity"
      @style["#{prefix}TransitionDuration"] = "0.8s, 0.55s"
      @style["#{prefix}TransformOrigin"] = "left top"
    @
  show: (addToParent) ->
    show = =>
      @style.opacity = 1
      for prefix in prefixes
        @style["#{prefix}Transform"] = 'scale(1, 1)'
      @

    if addToParent
      addToParent.append?.appendChild @
      addToParent.before?.parentNode.insertBefore @, addToParent.before

      setTimeout show, 0
    else
      show()
    @
  hide: (shouldRemove) ->
    @style.opacity = 0
    for prefix in prefixes
      @style["#{prefix}Transform"] = 'scale(0, 0)'

    setTimeout((=> @parentNode?.removeChild @), 600) if shouldRemove
    @