[richfaces-svn-commits] JBoss Rich Faces SVN: r13880 - trunk/framework/impl/src/main/javascript/ajaxjsf.

Sun Apr 26 14:20:28 EDT 2009

Author: nbelaevski
Date: 2009-04-26 14:20:23 -0400 (Sun, 26 Apr 2009)
New Revision: 13880

Modified:
   trunk/framework/impl/src/main/javascript/ajaxjsf/JSFAJAX.js
Log:
https://jira.jboss.org/jira/browse/RF-6910

Modified: trunk/framework/impl/src/main/javascript/ajaxjsf/JSFAJAX.js
===================================================================

--- trunk/framework/impl/src/main/javascript/ajaxjsf/JSFAJAX.js	2009-04-26 14:47:12 UTC (rev 13879)
+++ trunk/framework/impl/src/main/javascript/ajaxjsf/JSFAJAX.js	2009-04-26 18:20:23 UTC (rev 13880)
@@ -391,10 +391,50 @@
 			} else {
     // need to check for firstChild due to opera 8 bug with hasChildNodes
 				Sarissa.clearChildNodes(oldnode);
-	    		var importednode = window.document.importNode(newnode, true);
+    
+    			var importednode = window.document.importNode(newnode, true);
 	    		//importednode.innerHTML = importednode.innerHTML; 
    		        LOG.debug("Replace content of node by replaceChild()");
-				anchor.replaceChild(importednode,oldnode);
+
+				var oldGetElementById = null;
+				
+				A4J.AJAX.TestReplacedGetElementByIdVisibility();
+				if (!A4J.AJAX._testReplacedGetElementByIdVisibility) {
+					LOG.debug("Temporarily substituting document.getElementById() to work around WebKit issue");
+					oldGetElementById = document.getElementById;
+					document.getElementById = function(id) {
+						var elt = oldGetElementById.apply(document, arguments);
+						if (!elt) {
+							var id = arguments[0];
+
+							LOG.debug("Element [@id='" + id + "'] was not found in document, trying to locate XPath match");
+							
+							try {
+								var result = importednode.ownerDocument.evaluate("//*[@id='" + id + "']", 
+										importednode, null, XPathResult.ANY_UNORDERED_NODE_TYPE);
+								
+								if (result) {
+									elt = result.singleNodeValue;
+								}
+								
+								LOG.debug("XPath located: " + elt);
+							} catch (e) {
+								LOG.error("Error locating [@id='" + id + "'] element: " + e.message);
+							}
+						}
+						
+						return elt;
+					};
+				}
+				
+				try {
+					anchor.replaceChild(importednode,oldnode);
+				} finally {
+					if (oldGetElementById) {
+						LOG.debug("Restoring document.getElementById()");
+						document.getElementById = oldGetElementById;
+					}
+				}
 			} 
 			
 	// re-execute all script fragments in imported subtree...
@@ -1733,3 +1773,30 @@
 }
 A4J.AJAX._scriptTested = true;
 }
+
+A4J.AJAX.TestReplacedGetElementByIdVisibility = function() {
+	if (!A4J.AJAX._replacedGetElementByIdVisibilityTested) {
+		A4J.AJAX._replacedGetElementByIdVisibilityTested = true;
+
+		A4J.AJAX.TestScriptEvaluation();
+		if (A4J.AJAX._scriptEvaluated) {
+			try {
+				A4J.AJAX._testReplacedGetElementByIdVisibility = true;
+				
+				var _span = document.createElement("span");
+				document.body.appendChild(_span);
+
+				var xmlString = "<html xmlns='http://www.w3.org/1999/xhtml'><span id='_A4J_AJAX_TestReplacedGetElementByIdVisibility'><sc"+"ript>A4J.AJAX._testReplacedGetElementByIdVisibility = !!(document.getElementById('_A4J_AJAX_TestReplacedGetElementByIdVisibility'));</scr"+"ipt></span></html>";
+				oDomDoc = (new DOMParser()).parseFromString(xmlString, "text/xml");
+				var _newSpan = oDomDoc.getElementsByTagName("span")[0];
+
+				var importednode;
+		   		importednode = window.document.importNode(_newSpan, true);
+				document.body.replaceChild(importednode,_span);
+				document.body.removeChild(importednode);
+			} catch (e) {
+				LOG.error("Error testing replaced elements getElementById() visibility: " + e.message);
+			}
+		}
+	}
+};


