overleaf/services/web/public/coffee/ide/editor/controllers/SavingNotificationController.coffee
2015-01-26 16:06:50 +00:00

39 lines
1.1 KiB
CoffeeScript

define [
"base"
"ide/editor/Document"
], (App, Document) ->
App.controller "SavingNotificationController", ["$scope", "$interval", "ide", ($scope, $interval, ide) ->
setInterval () ->
pollSavedStatus()
, 1000
$(window).bind 'beforeunload', () =>
warnAboutUnsavedChanges()
$scope.docSavingStatus = {}
pollSavedStatus = () ->
oldStatus = $scope.docSavingStatus
newStatus = {}
for doc_id, doc of Document.openDocs
saving = doc.pollSavedStatus()
if !saving
if oldStatus[doc_id]?
newStatus[doc_id] = oldStatus[doc_id]
newStatus[doc_id].unsavedSeconds += 1
else
newStatus[doc_id] = {
unsavedSeconds: 0
doc: ide.fileTreeManager.findEntityById(doc_id)
}
# for performance, only update the display if the old or new
# statuses have any unsaved files
if _.size(newStatus) or _.size(oldStatus)
$scope.docSavingStatus = newStatus
$scope.$apply()
warnAboutUnsavedChanges = () ->
if Document.hasUnsavedChanges()
return "You have unsaved changes. If you leave now they will not be saved."
]