codecombat/app/views/kinds/CocoView.coffee
2014-04-11 12:49:44 -07:00

348 lines
13 KiB
CoffeeScript

SuperModel = require 'models/SuperModel'
utils = require 'lib/utils'
CocoClass = require 'lib/CocoClass'
loadingScreenTemplate = require 'templates/loading'
loadingErrorTemplate = require 'templates/loading_error'
visibleModal = null
waitingModal = null
classCount = 0
makeScopeName = -> "view-scope-#{classCount++}"
doNothing = ->
module.exports = class CocoView extends Backbone.View
startsLoading: false
cache: false # signals to the router to keep this view around
template: -> ''
events:
'click a': 'toggleModal'
'click button': 'toggleModal'
'click li': 'toggleModal'
'click .retry-loading-resource': 'onRetryResource'
'click .retry-loading-request': 'onRetryRequest'
subscriptions: {}
shortcuts: {}
# load progress properties
loadProgress:
num: 0
denom: 0
showing: false
resources: [] # models and collections
requests: [] # jqxhr's
somethings: [] # everything else
progress: 0
# Setup, Teardown
constructor: (options) ->
@loadProgress = _.cloneDeep @loadProgress
@supermodel ?= options?.supermodel or new SuperModel()
@options = options
@subscriptions = utils.combineAncestralObject(@, 'subscriptions')
@events = utils.combineAncestralObject(@, 'events')
@scope = makeScopeName()
@shortcuts = utils.combineAncestralObject(@, 'shortcuts')
@subviews = {}
@listenToShortcuts()
@updateProgressBar = _.debounce @updateProgressBar, 100
# Backbone.Mediator handles subscription setup/teardown automatically
super options
destroy: ->
@stopListening()
@off()
@stopListeningToShortcuts()
@undelegateEvents() # removes both events and subs
view.destroy() for id, view of @subviews
$('#modal-wrapper .modal').off 'hidden.bs.modal', @modalClosed
@[key] = undefined for key, value of @
@destroyed = true
@off = doNothing
@destroy = doNothing
$.noty.closeAll()
afterInsert: ->
willDisappear: ->
# the router removes this view but this view will be cached
@undelegateEvents()
@hidden = true
@stopListeningToShortcuts()
view.willDisappear() for id, view of @subviews
$.noty.closeAll()
didReappear: ->
# the router brings back this view from the cache
@delegateEvents()
@hidden = false
@listenToShortcuts()
view.didReappear() for id, view of @subviews
# View Rendering
render: ->
return @ unless me
super()
return @template if _.isString(@template)
@$el.html @template(@getRenderData())
@afterRender()
@showLoading() if @startsLoading or @loading() # TODO: Remove startsLoading entirely
@$el.i18n()
@
getRenderData: (context) ->
context ?= {}
context.isProduction = document.location.href.search(/codecombat.com/) isnt -1
context.me = me
context.pathname = document.location.pathname # like "/play/level"
context.fbRef = context.pathname.replace(/[^a-zA-Z0-9+/=\-.:_]/g, '').slice(0, 40) or 'home'
context.isMobile = @isMobile()
context.isIE = @isIE()
context
afterRender: ->
# Resource and request loading management for any given view
addResourceToLoad: (modelOrCollection, name, value=1) ->
@loadProgress.resources.push {resource:modelOrCollection, value:value, name:name}
@listenToOnce modelOrCollection, 'sync', @updateProgress
@listenTo modelOrCollection, 'error', @onResourceLoadFailed
@updateProgress()
addRequestToLoad: (jqxhr, name, retryFunc, value=1) ->
@loadProgress.requests.push {request:jqxhr, value:value, name: name, retryFunc: retryFunc}
jqxhr.done @updateProgress
jqxhr.fail @onRequestLoadFailed
addSomethingToLoad: (name, value=1) ->
@loadProgress.somethings.push {loaded: false, name: name, value: value}
@updateProgress()
somethingLoaded: (name) ->
r = _.find @loadProgress.somethings, {name: name}
return console.error 'Could not find something called', name if not r
r.loaded = true
@updateProgress(name)
loading: ->
return false if @loaded
for r in @loadProgress.resources
return true if not r.resource.loaded
for r in @loadProgress.requests
return true if not r.request.status
for r in @loadProgress.somethings
return true if not r.loaded
return false
updateProgress: =>
console.debug 'Loaded', r.name if arguments[0] and r = _.find @loadProgress.resources, {resource:arguments[0]}
console.debug 'Loaded', r.name if arguments[2] and r = _.find @loadProgress.requests, {request:arguments[2]}
console.debug 'Loaded', r.name if arguments[0] and r = _.find @loadProgress.somethings, {name:arguments[0]}
denom = 0
denom += r.value for r in @loadProgress.resources
denom += r.value for r in @loadProgress.requests
denom += r.value for r in @loadProgress.somethings
num = @loadProgress.num
num += r.value for r in @loadProgress.resources when r.resource.loaded
num += r.value for r in @loadProgress.requests when r.request.status
num += r.value for r in @loadProgress.somethings when r.loaded
#console.log 'update progress', @, num, denom, arguments
progress = if denom then num / denom else 0
# sometimes the denominator isn't known from the outset, so make sure the overall progress only goes up
@loadProgress.progress = progress if progress > @loadProgress.progress
@updateProgressBar()
if num is denom and not @loaded
@loaded = true
@onLoaded()
updateProgressBar: =>
prog = "#{parseInt(@loadProgress.progress*100)}%"
@$el.find('.loading-screen .progress-bar').css('width', prog)
onLoaded: ->
@render()
# Error handling for loading
onResourceLoadFailed: (resource, jqxhr) ->
for r, index in @loadProgress.resources
break if r.resource is resource
@$el.find('.loading-screen .errors').append(loadingErrorTemplate({
status:jqxhr.status,
name: r.name
resourceIndex: index,
responseText: jqxhr.responseText
})).i18n()
onRetryResource: (e) ->
r = @loadProgress.resources[$(e.target).data('resource-index')]
r.resource.fetch()
$(e.target).closest('.loading-error-alert').remove()
onRequestLoadFailed: (jqxhr) =>
for r, index in @loadProgress.requests
break if r.request is jqxhr
@$el.find('.loading-screen .errors').append(loadingErrorTemplate({
status:jqxhr.status,
name: r.name
requestIndex: index,
responseText: jqxhr.responseText
}))
onRetryRequest: (e) ->
r = @loadProgress.requests[$(e.target).data('request-index')]
@[r.retryFunc]?()
$(e.target).closest('.loading-error-alert').remove()
# Modals
toggleModal: (e) ->
if $(e.currentTarget).prop('target') is '_blank'
return true
# special handler for opening modals that are dynamically loaded, rather than static in the page. It works (or should work) like Bootstrap's modals, except use coco-modal for the data-toggle value.
elem = $(e.target)
return unless elem.data('toggle') is 'coco-modal'
target = elem.data('target')
view = application.router.getView(target, '_modal') # could set up a system for loading cached modals, if told to
console.log "got target", target, "which gave view", view
@openModalView(view)
openModalView: (modalView, softly=false) ->
return if waitingModal # can only have one waiting at once
if visibleModal
waitingModal = modalView
return if softly
return visibleModal.hide() if visibleModal.$el.is(':visible') # close, then this will get called again
return @modalClosed(visibleModal) # was closed, but modalClosed was not called somehow
modalView.render()
$('#modal-wrapper').empty().append modalView.el
modalView.afterInsert()
visibleModal = modalView
modalOptions = {show: true, backdrop: if modalView.closesOnClickOutside then true else 'static'}
$('#modal-wrapper .modal').modal(modalOptions).on 'hidden.bs.modal', @modalClosed
window.currentModal = modalView
@getRootView().stopListeningToShortcuts(true)
# setTimeout ->
# $('.modal').nanoScroller({contentClass:'modal-dialog'})
# , 1000
modalClosed: =>
visibleModal.willDisappear() if visibleModal
visibleModal.destroy()
visibleModal = null
window.currentModal = null
#$('#modal-wrapper .modal').off 'hidden.bs.modal', @modalClosed
if waitingModal
wm = waitingModal
waitingModal = null
@openModalView(wm)
else
@getRootView().listenToShortcuts(true)
Backbone.Mediator.publish 'modal-closed'
# Loading RootViews
showLoading: ($el=@$el) ->
$el.find('>').addClass('hidden')
$el.append loadingScreenTemplate()
@_lastLoading = $el
hideLoading: ->
return unless @_lastLoading?
@_lastLoading.find('.loading-screen').remove()
@_lastLoading.find('>').removeClass('hidden')
@_lastLoading = null
showReadOnly: ->
return if me.isAdmin()
warning = $.i18n.t 'editor.read_only_warning', defaultValue: "Note: you can't save any edits here, because you're not logged in as an admin."
noty text: warning, layout: 'center', type: 'information', killer: true, timeout: 5000
# Loading ModalViews
enableModalInProgress: (modal) ->
el = modal.find('.modal-content')
el.find('> div', modal).hide()
el.find('.wait', modal).show()
disableModalInProgress: (modal) ->
el = modal.find('.modal-content')
el.find('> div', modal).show()
el.find('.wait', modal).hide()
# Subscriptions
addNewSubscription: CocoClass.prototype.addNewSubscription
# Shortcuts
listenToShortcuts: (recurse) ->
return unless key
for shortcut, func of @shortcuts
func = utils.normalizeFunc(func, @)
key(shortcut, @scope, _.bind(func, @))
if recurse
for viewID, view of @subviews
view.listenToShortcuts()
stopListeningToShortcuts: (recurse) ->
return unless key
key.deleteScope(@scope)
if recurse
for viewID, view of @subviews
view.stopListeningToShortcuts()
# Subviews
insertSubView: (view) ->
@subviews[view.id].destroy() if view.id of @subviews
@$el.find('#'+view.id).after(view.el).remove()
view.parent = @
view.render()
view.afterInsert()
@subviews[view.id] = view
removeSubView: (view) ->
view.$el.empty()
view.destroy()
delete @subviews[view.id]
# Utilities
getQueryVariable: (param, defaultValue) ->
query = document.location.search.substring 1
pairs = (pair.split("=") for pair in query.split "&")
for pair in pairs when pair[0] is param
return {"true": true, "false": false}[pair[1]] ? decodeURIComponent(pair[1])
defaultValue
getRootView: ->
view = @
view = view.parent while view.parent?
view
isMobile: ->
ua = navigator.userAgent or navigator.vendor or window.opera
return mobileRELong.test(ua) or mobileREShort.test(ua.substr(0, 4))
isIE: ->
ua = navigator.userAgent or navigator.vendor or window.opera
return ua.search("MSIE") != -1
initSlider: ($el, startValue, changeCallback) ->
slider = $el.slider({ animate: "fast" })
slider.slider('value', startValue)
slider.on('slide',changeCallback)
slider.on('slidechange',changeCallback)
slider
mobileRELong = /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i
mobileREShort = /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i