overleaf/services/web/public/coffee/app/ide/directives/layout.coffee

define [
	"base"
], (App) ->
	App.directive "layout", () ->
		return {
			link: (scope, element, attrs) ->
				name = attrs.layout

				options =
					spacing_open: 24
					spacing_closed: 24
					onresize: () =>
						onResize()
					maskIframesOnResize: scope.$eval(
						attrs.maskIframesOnResize or "false"
					)

				onResize = () ->
					state = element.layout().readState()
					scope.$broadcast "layout:#{name}:resize", state
					repositionControls()

				# Restore previously recorded state
				if (state = $.localStorage("layout.#{name}"))?
					options.west = state.west
					options.east = state.east

				element.layout options
				element.layout().resizeAll()

				if attrs.resizeOn?
					scope.$on attrs.resizeOn, () -> element.layout().resizeAll()

				# Save state when exiting
				$(window).unload () ->
					$.localStorage("layout.#{name}", element.layout().readState())

				repositionControls = () ->
					state = element.layout().readState()
					if state.east?
						element.find(".ui-layout-resizer-controls").css({
							position: "absolute"
							right: state.east.size
							"z-index": 10
						})
		}