Summary

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

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Page properties

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...	...	@@ -8,7 +8,7 @@
8	8
9	9	Class sheet documents should be written using the following construct (this is an example for displaying documents containing XWiki.XWikiUsers objects):
10	10
11		-{{code language='velocity'}}
	11	+{{code language="velocity"}}
12	12	#set($obj = $doc.getObject("XWiki.XWikiUsers"))
13	13	#if(!$obj)
14	14	1 User Sheet
...	...	@@ -19,7 +19,9 @@
19	19	#end
20	20	{{/code}}
21	21
22		-{{info}}The 'if' tests first for the non existence. This is so that XWiki extract the title from the //1 User Sheet//, which is a proper title to display when viewsing the sheet page, instead of the computed name which will usually display something wrong.{{/info}}
	22	+{{info}}
	23	+The 'if' tests first for the non existence. This is so that XWiki extract the title from the //1 User Sheet//, which is a proper title to display when viewsing the sheet page, instead of the computed name which will usually display something wrong.
	24	+{{/info}}
23	23
24	24	= Handling errors when using xredirect for non-Javascript UIs =
25	25
...	...	@@ -31,7 +31,7 @@
31	31
32	32	A simplified code for this in the background service that produces the error is:
33	33
34		-{{code language='velocity'}}
	36	+{{code language="velocity"}}
35	35	#handleRequest($success)
36	36	#if ($success)
37	37	#if ($request.action == 'get' || $request.xpage== 'plain')
...	...	@@ -57,7 +57,7 @@
57	57
58	58	For the background service, it translates to:
59	59
60		-{{code language='velocity'}}
	62	+{{code language="velocity"}}
61	61	...
62	62	#elseif ("$!request.xredirect" != '')
63	63	## No-JavaScript here. Redirect and forward error message.
...	...	@@ -69,7 +69,7 @@
69	69
70	70	On the UI side:
71	71
72		-{{code language='velocity'}}
	74	+{{code language="velocity"}}
73	73	...
74	74	#set ($xredirect = $doc.getURL($context.action, $!{request.queryString}))
75	75	#set ($errorMessage = $request.session.getAttribute("${errorMessageKeyPrefix}${xredirect}"))
...	...	@@ -82,7 +82,8 @@
82	82	{{/code}}
83	83
84	84	Note that using xredirect's value as session key (prefixed or not) is a good idea because:
85		-1.it's already there in both the UI (for sending it as parameter) and the background service (received as parameter)
86		-2.it acts like a namespace, ensuring that the error will only be displayed for the current page/request.
87	87
	88	+1. it's already there in both the UI (for sending it as parameter) and the background service (received as parameter)
	89	+1. it acts like a namespace, ensuring that the error will only be displayed for the current page/request.
	90	+
88	88	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.