overleaf/services/web/public/coffee/ide/FeatureOnboardingController.coffee

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define [
"base"
], (App) ->
App.controller "FeatureOnboardingController", ($scope, settings, event_tracking) ->
$scope.onboarding =
innerStep: 1
nSteps: 4
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$scope.dismiss = () ->
event_tracking.sendMB "shown-track-changes-onboarding-2"
$scope.$applyAsync(() -> $scope.ui.showCollabFeaturesOnboarding = false)
$scope.gotoPrevStep = () ->
if $scope.onboarding.innerStep > 1
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$scope.$applyAsync(() -> $scope.onboarding.innerStep--)
$scope.gotoNextStep = () ->
if $scope.onboarding.innerStep < 4
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$scope.$applyAsync(() -> $scope.onboarding.innerStep++)
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handleKeydown = (e) ->
switch e.keyCode
when 37 then $scope.gotoPrevStep() # left directional key
when 39, 13 then $scope.gotoNextStep() # right directional key, enter
when 27 then $scope.dismiss() # escape
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$(document).on "keydown", handleKeydown
$(document).on "click", $scope.dismiss
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$scope.$on "$destroy", () ->
$(document).off "keydown", handleKeydown
$(document).off "click", $scope.dismiss