Hi Duncan,
If onChange can be used instead of onBlur in your senario you might be
able to use something as follow in you CForm model (fd):
<fd:field id="name">
<fd:datatype base="string"/>
<fd:on-value-changed>
<fd:javascript>
uniqueAttributeNameConstraint(event);
</fd:javascript>
</fd:on-value-changed>
</fd:field>
I have used this with Cocoon 2.1.8 with AJAX block enabled, and of
course AJAX enabled in the form template too:
<ft:form-template
action="#{$cocoon/continuation/id}.continue"
method="POST"
ajax="true">
Patrick
Duncan McLean wrote:
Hi
We have a rather complicated scenario where we would like to effectively
call a business service which does some detailed calculations involving
a value from a text field on a form and then updating the same form with
the value.
Effectively, the users would like the service calculation to trigger
after an onBlur event on the affected text field.
We already call a business service in flow (using and XSP page which
composes the required SOAP request). We then call this pipeline within
flow which causes the business service to be called and we can then get
at the returned DOM to extract the values. This can be done up front in
flow which makes this scenario easy, but the onBlur scenario is proving
trickier.
What would be nice would be to (in the fd:javascript block for the text
box) using a similar method to the above - call a pipeline that creates
another XSP page that will create the appropriate SOAP request and call
the business service, interrogate the results and incorporate the
results into the same form! Tricky?
Sorry that this sounds a bit convoluted, but does anyone have a better
suggestion on how to achieve this?
So, in summary - onBlur called against a text field, results in creation
of SOAP request to a business service which does some business logic
calcs, returns some XML which is interrogated for a value and area on
the same form re-populated with result of calculation.
Phew
Thanks in advance
Duncan
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