Best Practices

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Check for Object existence in Class Sheets documents

Class sheet documents should be written using the following construct (this is an example for displaying documents containing XWiki.XWikiUsers objects):

#set($obj = $doc.getObject("XWiki.XWikiUsers"))
 1 User Sheet
 This stylesheet must be applied on a document containing a XWiki.XWikiUsers object.
 1 $msg.get("userProfile", [$xwiki.getUserName($doc.fullName, false)])

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.


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