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62 lines
2 KiB
CoffeeScript
62 lines
2 KiB
CoffeeScript
define [
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"base"
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"ide/editor/Document"
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], (App, Document) ->
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App.controller "SavingNotificationController", ["$scope", "$interval", "ide", ($scope, $interval, ide) ->
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setInterval () ->
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pollSavedStatus()
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, 1000
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$(window).bind 'beforeunload', () =>
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warnAboutUnsavedChanges()
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lockEditorModal = null # modal showing "connection lost"
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MAX_UNSAVED_SECONDS = 15 # lock the editor after this time if unsaved
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$scope.docSavingStatus = {}
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pollSavedStatus = () ->
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oldStatus = $scope.docSavingStatus
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oldUnsavedCount = $scope.docSavingStatusCount
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newStatus = {}
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newUnsavedCount = 0
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maxUnsavedSeconds = 0
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for doc_id, doc of Document.openDocs
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saving = doc.pollSavedStatus()
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if !saving
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newUnsavedCount++
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if oldStatus[doc_id]?
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newStatus[doc_id] = oldStatus[doc_id]
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t = newStatus[doc_id].unsavedSeconds += 1
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if t > maxUnsavedSeconds
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maxUnsavedSeconds = t
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else
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newStatus[doc_id] = {
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unsavedSeconds: 0
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doc: ide.fileTreeManager.findEntityById(doc_id)
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}
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if newUnsavedCount > 0 and t > MAX_UNSAVED_SECONDS and not lockEditorModal
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lockEditorModal = ide.showLockEditorMessageModal(
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"Connection lost"
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"Sorry, the connection to the server is down."
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)
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lockEditorModal.result.finally () ->
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lockEditorModal = null # unset the modal if connection comes back
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if lockEditorModal and newUnsavedCount is 0
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lockEditorModal.dismiss "connection back up"
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# for performance, only update the display if the old or new
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# counts of unsaved files are nonzeror. If both old and new
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# unsaved counts are zero then we know we are in a good state
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# and don't need to do anything to the UI.
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if newUnsavedCount or oldUnsavedCount
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$scope.docSavingStatus = newStatus
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$scope.docSavingStatusCount = newUnsavedCount
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$scope.$apply()
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warnAboutUnsavedChanges = () ->
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if Document.hasUnsavedChanges()
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return "You have unsaved changes. If you leave now they will not be saved."
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]
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