demo shell (ng2)

basic angular2-based demo shell

demo-shell-ng2/app/widgets/widgetUtils.js

@@ -0,0 +1,30 @@
+var widgetUtils = (function (utils) {
+  utils.col = function(className) {
+    var col = document.createElement('div');
+    col.dataset.widgetId = utils.uid();
+    col.classList.add(className, 'widget', 'widget-col');
+        
+    var dropPlaceholder = document.createElement('div');
+    dropPlaceholder.className = 'drop-zone';
+    col.appendChild(dropPlaceholder);
+    
+    return col;
+  };
+  
+  utils.getRandomColor = function () {
+    var color = '#'+(0x1000000+(Math.random())*0xffffff).toString(16).substr(1,6);
+    return color;
+  };
+  
+  utils.uid = (function(){
+    var id = 0;
+    return function(){
+      if (arguments[0] === 0) {
+          id = 0;
+      }
+      return id++;
+    };
+  })();
+  
+  return utils;
+})(widgetUtils || {});