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PECS update to multiple portlets

Sgrace

Hi,

How do I get one prtlet to update multiple target portlets using PECS ?

The install notes only show how to communicate with one other portlet, but I'm sure I read that it is possible to communicate with more than 1 target.

Thanks
Sean

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Comments

PuckPuck

PECS is a system where a message is sent, and all portlets that are listening for that event will receive it.

In the portlet receiving the event we added something like this to the definition:

<callbackEvents>
<callbackEvent>myPortletEvent</callbackEvent>
</callbackEvents>

Add the same definition to all portlets which you want to listen on the same event.

Also you can have 1 portlet listen to more than 1 event to do even more stuff.

Sgrace

My problem is with defining the link in the source report. I can get it to work with one target portlet by following the example in the install and config notes which shows the syntax for the link referencing a particular file, but I presume I should be able to refer to more than one target file name in the link on the source report. If so, can someone please share an example of a link.

Thanks
Sean

bhanley

When a PECS event fires, the most common action is to update the content in a portlet. This is done by assigning a new URL as the source of the portlet itself. So while a set of portlets can subscribe to a single PECS event, that is not practical when updating a target portlet with a new source URL. 
 
Instead, simply fire multiple PECS events inside your parent report to update your target portlets with the appropriate URL. You are not limited to firing a single event in the onClicked script. You can have as many events fire as your have target portlets to update. Just string together the calls to fireEvent as you would in any other JavaScript block to get the desired behavior. 
 
Good Luck!