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Delayed Events

Contents

  1. 1 Support and limitations
  2. 2 Extensions

Support and limitations

Orbeon Forms partially supports the XForms 1.1 delay attribute on <xf:dispatch>. The limitations are:

  • A delay greater than zero always incurs a round-trip with the client. This may mean higher latency and ressource usage than could be expected. You are advised to use delays in the order of seconds at least.

  • Events are not combined as specified in XForms 1.1.

  • Custom event context information is not supported and simply ignored.

Extensions

The boolean xxf:show-progress attribute allows specifying whether the client must enable the loading indicator when sending back delay events from the client. The default is true and the indicator is used.

<xf:dispatch name="my-event" targetid="my-model" delay="2000"
  xxf:show-progress="false"/>

The xxf:progress-message attribute allows specifying a custom progress message when xxf:show-progress is true. By default, the standard progres message is used.

<xf:dispatch name="my-event" targetid="my-model" delay="2000"
  xxf:show-progress="true"
  xxf:progress-message="Autosave..."/>

For more information, please visit the XForms 1.1 specification.