Merge pull request #50 from mencio/canvas-data

Adding canvas data attributes

1 files changed, 21 insertions, 1 deletions

diff --git a/js/lib/NJUtils.js b/js/lib/NJUtils.js
index 8daafa42..887743c5 100755
--- a/js/lib/NJUtils.js
+++ b/js/lib/NJUtils.js
@@ -5,6 +5,7 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot
 </copyright> */
 
 var Montage = require("montage/core/core").Montage,
+    Uuid = require("montage/core/uuid").Uuid,
     ElementModel        = require("js/models/element-model").ElementModel,
     Properties3D    = require("js/models/properties-3d").Properties3D,
     ShapeModel    = require("js/models/shape-model").ShapeModel,
@@ -56,13 +57,18 @@ exports.NJUtils = Object.create(Object.prototype, {
     
     ///// Quick "createElement" function "attr" can be classname or object
     ///// with attribute key/values
+    ///// Suppor for data attributes
     make : {
         value: function(tag, attr) {
             var el = document.createElement(tag);
             if (typeof attr === 'object') {
                 for (var a in attr) {
                     if (attr.hasOwnProperty(a)) {
-                        el[a] = attr[a];
+                        if(a.indexOf("data-") > -1) {
+                            el.setAttribute(a, attr[a]);
+                        } else {
+                            el[a] = attr[a];
+                        }
                     }
                 }
             } else if (typeof attr === 'string') {
@@ -247,6 +253,20 @@ exports.NJUtils = Object.create(Object.prototype, {
             }
             return status;
         }
+    },
+
+    /* ================= misc methods ================= */
+
+    // Generates an alpha-numeric random number
+    // len: number of chars
+    // default length is '8'
+    generateRandom: {
+        value: function(len) {
+            var length;
+            len ? length = len : length = 8;
+            
+            return Uuid.generate().substring(0,length);
+        }
     }
     
 });