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TCrossDataListenerJS.Tango_crossReceive() Method

receive message from another session

Synopsis

Tango_crossReceive(sessionName,message)

Arguments

sessionName A String Object - the name of the sender session.

message A String Object - the message body.

Returns

Nothing.

Description

TCrossDataListenerJS.Tango_crossReceive() method is a user defined callback. It is called by the Tango runtime if TCrossDataListenerJS interface has been registered for receiving cross-sessional messages with TAgentJS.addTCrossDataListenerJS() method.

Example

The page below defines Tango_crossReceive() function. It is first determined which session sent the message. If the message originates from "Chat" session it is processed, otherwise - ignored. Accepted messages are parsed to find URL strings. If an URL is found, a new browser window is open and loaded with the URL. The mechanism can be used to integrate chat and shared web browser tools.

<script language="javascript">

function Tango_crossReceive(sessionName,message)

{

if(sessionName=="Chat")

{

• ar urlFinder=new String("http://");

• ar beg=message.indexOf(urlFinder);

if(beg<0)

return;

• ar end=message.indexOf(" ",beg+urlFinder.length+1);

if(end<0)

end=message.length+1;

window.open(message.substring(beg,end));

}

}

</script>

See Also

TDataListenerJS.Tango_receive() method