+ },
+ /**
+ * Find the current bootstrap width Grid size
+ * Note xs is the default for smaller.. - this is currently used by grids to render correct columns
+ * @returns {String} (xs|sm|md|lg|xl)
+ */
+
+ getGridSize : function()
+ {
+ var w = Roo.lib.Dom.getViewWidth();
+ switch(true) {
+ case w > 1200:
+ return 'xl';
+ case w > 992:
+ return 'lg';
+ case w > 768:
+ return 'md';
+ case w > 576:
+ return 'sm';
+ default:
+ return 'xs'
+ }
+
+ }