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Form Customization

hmartim

Hi,

How could I customize a form associated with a User Task?

Supose I want to execute some fields validation before complete the task, or I want to add a button that, when clicked, shows a support information to the user. Is form event model based on JSF, so I should customize the associated class with event handlers?

Will the Explorer recognize this customization?

Sorry for my english.

regards,
Hudson

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Comments

erikwinlof

Hi,

This is currently not supported in the Activiti webapps in a "proper" way but sure sure is something that we need to provide.
You could do the following hack for and put the following html & inline-javascript code in your form:

<div>
<a href="#" onclick="javascript: var si = document.getElementById('support-info'); si.style.display = (si.style.display == 'none' ? 'inline' : 'none');">Support Information</a>
</div>
<div id="support-info" style="display: none;">
Here comes the the support information
</div>

You could also include a <script> block in your form template that "might" get triggered, the reason I say "might" is because some browsers will execute the <script> code and some will not. I will add the possibility to use the <script> blocks in all browsers to my things to do.

To hook into the validation mechanism on the client is not possible without performing a serious hack which I wont even try, it is however also something that we should take a look at.

Cheers,

:: Erik

PS. We are NOT using JSF as the web framework which we have built the Activiti webapps on, instead Spring Surf is used: http://www.springsource.org/extensions/se-surf

davidcognite

See also this topic for more information on JavaScript limitations and other solutions: http://forums.activiti.org/en/viewtopic.php?t=223

David.

hmartim

Thanks for the client example.

There is also a need on server validation and suplementary server bussiness processing. So is possible in Explorer a pluggable rendering service that could be implemented with JSF, Wicket, …, or it is not the right way?

Hudson.

limcheekin

Hi,

Is using JSF is mandatory? You may consider Grails with Activiti plugin project at http://code.google.com/p/grails-activiti-plugin/.

Regards,
Chee Kin
P. S.: I am project owner of the project.

jbarrez

Explorer does not have a pluggable rendering service.
However, Explorer (and Probe), use a REST-API that you can use in your own application: http://activiti.org/userguide/index.html#N10B1F

limcheekin

Hi,

You may want to find out more for sample application I just release with the Grails Activiti plugin at http://forums.activiti.org/en/viewtopic.php?f=3&t=279

Regards,
Chee Kin

hmartim

Thanks for all info.

I will analyze each suggestion to identify the faster way to adopt Activiti as our BPM suite.

Hudson.

mghb2009

Who can help me?
hmartim?
about render form(defining form properties on a start event or a user task) to jsf page …
http://forums.activiti.org/content/how-set-formfrom-xml-file-properties-jsf-pages

jbarrez

Ressurecting a thread from 2010 … wont probably trigger an answer.

The idea is simple: Activiti has a formService. In JSF, get the form properties through the FormService. Put them on a backing bean or whatever it is called in JSF (been 6 years since JSF for me luckily). Have a dynamic form rendering based on the types in the properties. When clicking the button, pass the values again in the formService.submit