Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -36,7 +36,7 @@
36	36	{{code language="velocity"}}
37	37	#handleRequest($success)
38	38	#if ($success)
39		- #if ($request.action == 'get' || $request.xpage== 'plain')
	39	+ #if ($request.action == 'get' || $request.xpage == 'plain')
40	40	## JavaScript call here.
41	41	Action was successful.
42	42	#elseif ("$!request.xredirect" != '')
...	...	@@ -63,6 +63,7 @@
63	63	...
64	64	#elseif ("$!request.xredirect" != '')
65	65	## No-JavaScript here. Redirect and forward error message.
	66	+ #set ($errorMessageKeyPrefix = "myModule.error.")
66	66	$request.session.setAttribute("${errorMessageKeyPrefix}${request.xredirect}", 'Action was NOT successful')
67	67	$response.sendRedirect($request.xredirect)
68	68	#end
...	...	@@ -74,6 +74,7 @@
74	74	{{code language="velocity"}}
75	75	...
76	76	#set ($xredirect = $doc.getURL($context.action, $!{request.queryString}))
	78	+ #set ($errorMessageKeyPrefix = "myModule.error.")
77	77	#set ($errorMessage = $request.session.getAttribute("${errorMessageKeyPrefix}${xredirect}"))
78	78	#if ("$!errorMessage" != '')
79	79	## Clean the error and display the message.
...	...	@@ -88,4 +88,6 @@
88	88	1. it's already there in both the UI (for sending it as parameter) and the background service (received as parameter)
89	89	1. it acts like a namespace, ensuring that the error will only be displayed for the current page/request.
90	90
	93	+Using a prefix as above allows you to have multiple components (wiki macros, gadgets, etc.) in the same page using the same mechanism without collisions.
	94	+
91	91	This method works together with the whole purpose for which we are doing the redirect in the first place (so that the user can refresh the page without re-sending the action or re-posting a form), ensuring that after the first display, on a refresh, the error goes away.