dom-extend.js in webshims-rails-1.14.1

- old
+ new

@@ -177,12 +177,12 @@
 				$(evtDel).off(evt, fn);
 			}
 		});
 		return this;
 	};
-	
-	var dataID = '_webshimsLib'+ (Math.round(Math.random() * 1000));
+	var idCount = 0;
+	var dataID = '_webshims'+ (Math.round(Math.random() * 1000));
 	var elementData = function(elem, key, val){
 		elem = elem.jquery ? elem[0] : elem;
 		if(!elem){return val || {};}
 		var data = $.data(elem, dataID);
 		if(val !== undefined){
@@ -209,10 +209,39 @@
 				}
 			});
 			return this.pushStack(elems);
 		};
 	});
+
+	function clone(elem, dataAndEvents, uniqueIds){
+		var cloned = $.clone( elem, dataAndEvents, false );
+		$(cloned.querySelectorAll('.'+webshims.shadowClass)).detach();
+		if(uniqueIds){
+			idCount++;
+			$(cloned.querySelectorAll('[id]')).prop('id', function(i, id){
+				return id +idCount;
+			});
+		} else {
+			$(cloned.querySelectorAll('audio[id^="ID-"], video[id^="ID-"], label[id^="ID-"]')).removeAttr('id');
+		}
+		return cloned;
+	}
+
+	$.fn.clonePolyfill = function(dataAndEvents, uniqueIds){
+		dataAndEvents = dataAndEvents || false;
+		return this
+			.map(function() {
+				var cloned = clone( this, dataAndEvents, uniqueIds );
+				setTimeout(function(){
+					if($.contains(document.body, cloned)){
+						$(cloned).updatePolyfill();
+					}
+				});
+				return cloned;
+			})
+		;
+	};
 	
 	//add support for $('video').trigger('play') in case extendNative is set to false
 	if(!webshims.cfg.extendNative && !webshims.cfg.noTriggerOverride){
 		(function(oldTrigger){
 			$.event.trigger = function(event, data, elem, onlyHandlers){
@@ -520,9 +549,10 @@
 					elem.eq(0).prop('id', id);
 				}
 				return id;
 			};
 		})(),
+		shadowClass: 'wsshadow-'+(Date.now()),
 		implement: function(elem, type){
 			var data = elementData(elem, 'implemented') || elementData(elem, 'implemented', {});
 			if(data[type]){
 				webshims.warn(type +' already implemented for element #'+elem.id);
 				return false;