refresh

Version 10 by Ken Fyten
on Nov 13, 2014 11:16.


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Current by Ken Fyten
on Nov 21, 2014 15:32.


 
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 h2. Overview
 _Since 3.1_
  
  The _icecore:refresh_ tag allows a view to be periodically refreshed via ajax without requiring a push connection.
  The _icecore:refresh_ tag allows a view to be periodically refreshed via ajax without requiring an asynchronous ajax-push connection to be held open.
  
 {tip}See the ICEfaces Showcase [Live Demo|http://icefaces-showcase.icesoft.org/showcase.jsf?grp=aceMenu&exp=refreshBean] of this component, complete with source code.{tip}
  
 h2. Getting Started
  
 To use the _icecore:refresh_ tag, first declare the core namespace:
  
 {panel}
 {code:html|borderStyle=dashed}<html ... xmlns:icecore="http://www.icefaces.org/icefaces/core">
 {code}
 {panel}Then add the _icecore:refresh_ tag to your page markup. For instance, to cause the page to be updated every 10 seconds over the course of 2 minutes:
 {panel}{code:xml|borderStyle=dashed}<h:body>
  <icecore:refresh interval="10" duration="2"/>
  ...
 {code}
 {panel}
 h2. Attributes
 {tip:title=TagLib Documentation}This section covers attributes involved in the typical use-cases for this component. For reference, the complete taglib documentation for this component is available [here|http://res.icesoft.org/docs/v4_latest/core/comps/tld/icecore/refresh.html].{tip}
  
 {panel}
 *interval* - Update the page via ajax every _interval_ seconds.
 {panel}
 {panel}
 *duration* - Update the page via ajax for _duration_ minutes.
 {panel}
  
 h2. Notes
  
 The page will be updated every _interval_ seconds for a total time of _duration_ minutes.
 If the page is refreshed by the user, the duration timer is restarted.
 If the duration is not specified, or \-1 is specified, they are equivalent to an infinite duration, and the page will be periodically refreshed until the user leaves the page.
 A duration of 0 is equivalent to disabling the control.

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