1 files changed, 78 insertions, 3 deletions

diff --git a/public/assets/javascripts/util.js b/public/assets/javascripts/util.js
index 7812a4d..0f5c6ed 100644
--- a/public/assets/javascripts/util.js
+++ b/public/assets/javascripts/util.js
@@ -4,11 +4,14 @@ if (window.$) {
   $.fn.string = function() { return trim($(this).val()) }
   $.fn.enable = function() { return $(this).attr("disabled",null) }
   $.fn.disable = function() { return $(this).attr("disabled","disabled") }
+  $.fn.sanitize = function(s) { return trim(sanitize($(this).val())) }
   $.fn.htmlSafe = function(s) { return $(this).html(sanitize(s)) }
+  $.fn.toDollars = function(i) { return $(this).html((i/100).toFixed(2)) }
 }
 
-function trim(s){ return s.replace(/^\s+/,"").replace(/\s+$/,"") }
+function trim (s){ return s.replace(/^\s+/,"").replace(/\s+$/,"") }
 function sanitize (s){ return (s || "").replace(new RegExp("[<>&]", 'g'), "") }
+function stripHTML (s){ return (s || "").replace(/<[^>]+>/g, "") }
 function capitalize (s){ return s.split(" ").map(capitalizeWord).join(" ") }
 function capitalizeWord (s){ return s.charAt(0).toUpperCase() + s.slice(1) }
 function slugify (s){ return (s || "").toLowerCase().replace(/\s/g,"-").replace(/[^-_a-zA-Z0-9]/g, '-').replace(/-+/g,"-") }
@@ -92,9 +95,10 @@ function smoothstep(min,max,n){
 }
 
 function shuffle(a){
+  var r, swap
   for (var i = a.length; i > 0; i--){
-    var r = randint(i)
-    var swap = a[i-1]
+    r = randint(i)
+    swap = a[i-1]
     a[i-1] = a[r]
     a[r] = swap
   }
@@ -173,9 +177,80 @@ function invert_hash (h) {
 	for (var i in h) { if (h.hasOwnProperty(i)) k[h[i]] = i }
 	return k
 }
+function filenameFromUrl (url) {
+  var partz = url.split( "/" )
+  return partz[partz.length-1].split(".")[0]
+}
 
 function bitcount(v) {
   v = v - ((v >>> 1) & 0x55555555);
   v = (v & 0x33333333) + ((v >>> 2) & 0x33333333);
   return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24;
 }
+
+// Function.bind polyfill
+if (!Function.prototype.bind) {
+  Function.prototype.bind = function(oThis) {
+    if (typeof this !== 'function') {
+      // closest thing possible to the ECMAScript 5
+      // internal IsCallable function
+      throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
+    }
+
+    var aArgs   = Array.prototype.slice.call(arguments, 1),
+        fToBind = this,
+        fNOP    = function() {},
+        fBound  = function() {
+          return fToBind.apply(this instanceof fNOP && oThis
+                 ? this
+                 : oThis,
+                 aArgs.concat(Array.prototype.slice.call(arguments)));
+        };
+
+    fNOP.prototype = this.prototype;
+    fBound.prototype = new fNOP();
+
+    return fBound;
+  };
+}
+
+// rAF polyfill
+(function() {
+    var lastTime = 0;
+    var vendors = ['ms', 'moz', 'webkit', 'o'];
+    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+        window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
+        window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] 
+                                   || window[vendors[x]+'CancelRequestAnimationFrame'];
+    }
+ 
+    if (!window.requestAnimationFrame)
+        window.requestAnimationFrame = function(callback, element) {
+            var currTime = new Date().getTime();
+            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+            var id = window.setTimeout(function() { callback(currTime + timeToCall); }, 
+              timeToCall);
+            lastTime = currTime + timeToCall;
+            return id;
+        };
+ 
+    if (!window.cancelAnimationFrame)
+        window.cancelAnimationFrame = function(id) {
+            clearTimeout(id);
+        };
+}());
+
+
+function selectElementContents(el) {
+  if (window.getSelection && document.createRange) {
+    var sel = window.getSelection();
+    var range = document.createRange();
+    range.selectNodeContents(el);
+    sel.removeAllRanges();
+    sel.addRange(range);
+  } else if (document.selection && document.body.createTextRange) {
+    var textRange = document.body.createTextRange();
+    textRange.moveToElementText(el);
+    textRange.select();
+  }
+}