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.moment = moment 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 = $(e.target) return unless elem.data('toggle') is 'coco-modal' target = elem.data('target') view = application.router.getView(target, '_modal') # could set up a system for loading cached modals, if told to @openModalView(view) openModalView: (modalView, softly=false) -> return if waitingModal # can only have one waiting at once if visibleModal waitingModal = modalView return if softly return visibleModal.hide() if visibleModal.$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 = $.i18n.t 'editor.read_only_warning', defaultValue: "Note: you can't save any edits here, because you're not logged in as an admin." noty text: warning, layout: 'center', type: 'information', killer: true, timeout: 5000 # Loading ModalViews enableModalInProgress: (modal) -> el = modal.find('.modal-content') el.find('> div', modal).hide() el.find('.wait', modal).show() disableModalInProgress: (modal) -> el = modal.find('.modal-content') el.find('> div', modal).show() el.find('.wait', modal).hide() # Subscriptions addNewSubscription: CocoClass.prototype.addNewSubscription # Shortcuts listenToShortcuts: (recurse) -> return unless key for shortcut, func of @shortcuts func = utils.normalizeFunc(func, @) key(shortcut, @scope, _.bind(func, @)) if recurse for viewID, view of @subviews view.listenToShortcuts() stopListeningToShortcuts: (recurse) -> return unless key key.deleteScope(@scope) if recurse for viewID, view of @subviews view.stopListeningToShortcuts() # Subviews insertSubView: (view, elToReplace=null) -> key = view.id or (view.constructor.name+classCount++) key = _.string.underscored(key) @subviews[key].destroy() if key of @subviews elToReplace ?= @$el.find('#'+view.id) elToReplace.after(view.el).remove() view.parent = @ view.render() view.afterInsert() view.parentKey = key @subviews[key] = view view removeSubView: (view) -> view.$el.empty() delete @subviews[view.parentKey] view.destroy() # Utilities getQueryVariable: (param, defaultValue) -> query = document.location.search.substring 1 pairs = (pair.split("=") for pair in query.split "&") for pair in pairs when pair[0] is param return {"true": true, "false": false}[pair[1]] ? decodeURIComponent(pair[1]) defaultValue getRootView: -> view = @ view = view.parent while view.parent? view isMobile: -> ua = navigator.userAgent or navigator.vendor or window.opera return mobileRELong.test(ua) or mobileREShort.test(ua.substr(0, 4)) isIE: -> ua = navigator.userAgent or navigator.vendor or window.opera return ua.search("MSIE") != -1 initSlider: ($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