Add async data loading

framer/Utils.coffee

@@ -255,6 +255,28 @@ Utils.domLoadScript = (url, callback) ->
 
 	script
 
+Utils.domLoadData = (path, callback) ->
+
+	request = new XMLHttpRequest()
+
+	# request.addEventListener "progress", updateProgress, false
+	# request.addEventListener "abort", transferCanceled, false
+
+	request.addEventListener "load", ->
+		callback null, request.responseText
+	, false
+
+	request.addEventListener "error", ->
+		callback true, null
+	, false
+
+	request.open "GET", path, true
+	request.send null
+
+Utils.domLoadJSON = (path, callback) ->
+	Utils.domLoadData path, (err, data) ->
+		callback err, JSON.parse data
+
 Utils.domLoadDataSync = (path) ->
 
 	request = new XMLHttpRequest()

test/tests/UtilsTest.coffee

@@ -156,6 +156,20 @@ describe "Utils", ->
 			# Bla bla. This works. Doing a visual comparison is so much easier
 			# Start the cactus project and go to /test.html
 
+	describe "domLoadData", (callback) ->
+
+		it "should load data async", (callback) ->
+
+			data = Utils.domLoadData "static/test.txt", (err, data) ->
+				data.should.equal "TEST HELLO"
+				callback()
+
+		it "should load throw error on nonexisting", (callback) ->
+
+			data = Utils.domLoadData "static/test123.txt", (err, data) ->
+				err.should.equal true
+				callback()
+
 	describe "domLoadDataSync", ->
 
 		it "should load data async", ->
@@ -171,4 +185,8 @@ describe "Utils", ->
 
 
 
+
+
+
+