# HG changeset patch
# User Nicholas Jillings <nicholas.jillings@mail.bcu.ac.uk>
# Date 1464276966 -3600
# Node ID 5e1fb07919e73f1f71b70c2dea30d2a1854fa5ce
# Parent  5d7ad658c69950cf2941f4072bf5f007ef6e8c47
Better loading dependancy block chain to ensure core.js only executes after all the other files have parsed

diff -r 5d7ad658c699 -r 5e1fb07919e7 js/core.js
--- a/js/core.js	Thu May 26 16:06:42 2016 +0100
+++ b/js/core.js	Thu May 26 16:36:06 2016 +0100
@@ -116,6 +116,16 @@
     }
 }
 
+var check_dependancies = function() {
+    // This will check for the data dependancies
+    if (typeof(jQuery) != "function") {return false;}
+    if (typeof(Specification) != "function") {return false;}
+    if (typeof(calculateLoudness) != "function") {return false;}
+    if (typeof(WAVE) != "function") {return false;}
+    if (typeof(validateXML) != "function") {return false;}
+    return true;
+}
+
 var onload = function() {
 	// Function called once the browser has loaded all files.
 	// This should perform any initial commands such as structure / loading documents
@@ -3229,4 +3239,12 @@
 	};
 }
 
-onload();
\ No newline at end of file
+var window_depedancy_callback;
+window_depedancy_callback = window.setInterval(function(){
+    if (check_dependancies()) {
+        window.clearInterval(window_depedancy_callback);
+        onload();
+    } else {
+        document.getElementById("topLevelBody").innerHTML = "<h1>Loading Resources</h1>";
+    }
+},100);
\ No newline at end of file