Show initializing message

app/views/project/editor/output_panel/script_output.jade

@@ -24,6 +24,12 @@ div.full-size(ng-controller="ScriptOutputController")
 			i.fa.fa-level-up.fa-flip-horizontal.fa-2x
 			|   Click here to run your script!
 			
+		.alert.alert-info(ng-show="running && stillIniting && !inited")
+			p
+				i.fa.fa-spinner.fa-spin.fa-fw 
+				|  Initializing environment...
+			p.small (This can take a while the first time you run a script)
+
 		span.output(ng-repeat="part in output | orderBy:'msg_id' track by $index ")
 			span(ng-if="part.output_type == 'stdout'").stdout {{ part.text }}
 			span(ng-if="part.output_type == 'stderr'").stderr {{ part.text }}

public/coffee/ide/script-output/controllers/ScriptOutputController.coffee

@@ -10,6 +10,8 @@ define [
 			$scope.error = false
 			$scope.timedout = false
 			$scope.session_id = Math.random().toString().slice(2)
+			$scope.stillIniting = false
+			$scope.inited = false
 		reset()
 			
 		$scope.uncompiled = true
@@ -21,6 +23,10 @@ define [
 			# We get messages from other user's compiles in this project. Ignore them
 			return if message.header?.session != $scope.session_id
 			
+			if message.msg_type == "system_status" and message.content.status == "starting_run"
+				$scope.inited = true
+				$scope.$apply()
+			else
 				output = parseOutputMessage(message)
 				if output?
 					$scope.output.push output
@@ -31,6 +37,10 @@ define [
 			return if $scope.needToUpgrade
 			
 			reset()
+			initing = setTimeout () ->
+				$scope.stillIniting = true
+				$scope.$apply()
+			, 1000
 			$scope.running = true
 			$scope.uncompiled = false
 			
@@ -42,11 +52,13 @@ define [
 				
 			doCompile(rootDoc_id, compiler)
 				.success (data) ->
+					clearTimeout(initing)
 					$scope.running = false
 					if data?.status == "timedout"
 						$scope.timedout = true
 
 				.error () ->
+					clearTimeout(initing)
 					$scope.running = false
 					$scope.error = true