Package TWiki::UI 
Service functions used by the UI packages
On this page: 
-   StaticMethod run (\&method,...)
-   StaticMethod checkWebExists ($session,$web,$topic,$op)
-   StaticMethod topicExists ($session,$web,$topic,$op)=>boolean
-   StaticMethod checkMirror ($session,$web,$topic)
-   StaticMethod checkAccess ($web,$topic,$mode,$user)
-   StaticMethod readTemplateTopic ($session,$theTopicName) -> ($meta,$text)
 
Entry point for execution of a UI function. The parameter is a
reference to the method.
... is a list of name-value pairs that define initial context identifiers
that must be set during initPlugin. This set will be extended to include
command_line if the script is detected as being run outside the browser.
 StaticMethod checkWebExists ($session,$web,$topic,$op) 
Check if the web exists. If it doesn't, will throw an oops exception.
 $op is the user operation being performed.
 StaticMethod topicExists ($session,$web,$topic,$op)=>boolean 
Check if the given topic exists, throwing an 
OopsException
if it doesn't. $op is the user operation being performed.
 StaticMethod checkMirror ($session,$web,$topic) 
Checks if this web is a mirror web, throwing an 
OopsException
if it is.
 StaticMethod checkAccess ($web,$topic,$mode,$user) 
Check if the given mode of access by the given user to the given
web.topic is permissible, throwing a TWiki::OopsException if not.
 StaticMethod readTemplateTopic ($session,$theTopicName) -> ($meta,$text) 
Read a topic from the TWiki web, or if that fails from the current
web.