intial version of user setting for texlive imageName

services/web/app/coffee/Features/Editor/EditorController.coffee

@@ -163,6 +163,13 @@ module.exports = EditorController =
 			EditorRealTimeController.emitToRoom project_id, 'compilerUpdated', compiler
 			callback()
 
+	setImageName : (project_id, imageName, callback = (err) ->) ->
+		ProjectOptionsHandler.setImageName project_id, imageName, (err) ->
+			return callback(err) if err?
+			logger.log imageName:imageName, project_id:project_id, "setting imageName"
+			EditorRealTimeController.emitToRoom project_id, 'imageNameUpdated', imageName
+			callback()
+
 	setSpellCheckLanguage : (project_id, languageCode, callback = (err) ->) ->
 		ProjectOptionsHandler.setSpellCheckLanguage project_id, languageCode, (err) ->
 			return callback(err) if err?

services/web/app/coffee/Features/Project/ProjectController.coffee

@@ -49,6 +49,10 @@ module.exports = ProjectController =
 			jobs.push (callback) ->
 				editorController.setCompiler project_id, req.body.compiler, callback
 
+		if req.body.imageName?
+			jobs.push (callback) ->
+				editorController.setImageName project_id, req.body.imageName, callback
+
 		if req.body.name?
 			jobs.push (callback) ->
 				editorController.renameProject project_id, req.body.name, callback
@@ -347,6 +351,7 @@ module.exports = ProjectController =
 					useV2History: !!project.overleaf?.history?.display
 					richTextEnabled: Features.hasFeature('rich-text')
 					showTestControls: req.query?.tc == 'true' || user.isAdmin
+					allowedImageNames: Settings.allowedImageNames || []
 				timer.done()
 
 	_buildProjectList: (allProjects, v1Projects = [])->

services/web/app/coffee/Features/Project/ProjectEditorHandler.coffee

@@ -1,5 +1,5 @@
 _ = require("underscore")
-
+Path = require 'path'
 
 module.exports = ProjectEditorHandler =
 	trackChangesAvailable: false
@@ -20,6 +20,7 @@ module.exports = ProjectEditorHandler =
 			members:     []
 			invites:     invites
 			tokens:      project.tokens
+			imageName:   if project.imageName? then Path.basename(project.imageName) else undefined
 
 		if !result.invites?
 			result.invites = []

services/web/app/coffee/Features/Project/ProjectOptionsHandler.coffee

@@ -17,6 +17,16 @@ module.exports =
 			if callback?
 				callback()
 
+	setImageName : (project_id, imageName, callback = ()->)->
+		logger.log project_id:project_id, imageName:imageName, "setting the imageName"
+		imageName = imageName.toLowerCase()
+		if ! _.some(settings.allowedImageNames, (allowed) -> imageName is allowed.imageName)
+			return callback()
+		conditions = {_id:project_id}
+		update = {imageName: settings.imageRoot + '/' + imageName}
+		Project.update conditions, update, {}, (err)->
+			if callback?
+				callback()
 
 	setSpellCheckLanguage: (project_id, languageCode, callback = ()->)->
 		logger.log project_id:project_id, languageCode:languageCode, "setting the spell check language"

services/web/app/views/project/editor/left-menu.pug

@@ -188,6 +188,15 @@ aside#left-menu.full-size(
 					option(value="pdfjs") #{translate("built_in")}
 					option(value="native") #{translate("native")}
 
+			if (getSessionUser() && getSessionUser().isAdmin && typeof(allowedImageNames) !== 'undefined' && allowedImageNames.length > 0)
+				.form-controls(ng-show="permissions.write")
+					label(for="imageName") #{translate("TeXLive")}
+					select(
+						name="imageName"
+						ng-model="project.imageName"
+					)
+						each image in allowedImageNames
+							option(value=image.imageName) #{image.imageDesc}
 
 	h4 #{translate("hotkeys")}
 	ul.list-unstyled.nav

services/web/config/settings.defaults.coffee

@@ -472,3 +472,14 @@ module.exports = settings =
 		autoCompile:
 			everyone: 100
 			standard: 25
+
+	# currentImage: "texlive-full:2017.1"
+	# imageRoot: "<DOCKER REPOSITORY ROOT>" # without any trailing slash
+	
+	# allowedImageNames: [
+	# 	{imageName: 'texlive-full:2017.1', imageDesc: 'TeXLive 2017'}
+	# 	{imageName:   'wl_texlive:2018.1', imageDesc: 'Legacy OL TeXLive 2015'}
+	# 	{imageName: 'texlive-full:2016.1', imageDesc: 'Legacy SL TeXLive 2016'}
+	# 	{imageName: 'texlive-full:2015.1', imageDesc: 'Legacy SL TeXLive 2015'}
+	# 	{imageName: 'texlive-full:2014.2', imageDesc: 'Legacy SL TeXLive 2014.2'}
+	# ]

services/web/public/coffee/ide/settings/controllers/SettingsController.coffee

@@ -67,6 +67,11 @@ define [
 			if oldCompiler? and compiler != oldCompiler
 				settings.saveProjectSettings({compiler: compiler})
 
+		$scope.$watch "project.imageName", (imageName, oldImageName) =>
+			return if @ignoreUpdates
+			if oldImageName? and imageName != oldImageName
+				settings.saveProjectSettings({imageName: imageName})
+
 		$scope.$watch "project.rootDoc_id", (rootDoc_id, oldRootDoc_id) =>
 			return if @ignoreUpdates
 			# don't save on initialisation, Angular passes oldRootDoc_id as
@@ -83,6 +88,12 @@ define [
 				$scope.project.compiler = compiler
 			delete @ignoreUpdates
 
+		ide.socket.on "imageNameUpdated", (imageName) =>
+			@ignoreUpdates = true
+			$scope.$apply () =>
+				$scope.project.imageName = imageName
+			delete @ignoreUpdates
+
 		ide.socket.on "spellCheckLanguageUpdated", (languageCode) =>
 			@ignoreUpdates = true
 			$scope.$apply () =>