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iterating over sets

opal

Hi,

I would like to know if there's any way to iterate over the sets in *.form files. As far as I know EL doesn't support such functionality. Maybe it's possible to use groovy scripts inf *.form files and this is the way to make it.. Any help would be greatly appreciated.

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frederikherema1

Opal,

You can plug in your own form-rendering engine to render the forms, eg. using groovy (or freemarker) to render forms. There is an issue open (http://jira.codehaus.org/browse/ACT-229) for adding a second engine by default, freemarker. Freemarker offers loop-constructs and other nice templating-features, which JUEL lacks.

For now, take a look at ProcessEngineConfiguration.customFormEngines to plug in your engine, org.activiti.engine.impl.form.FormEngine and org.activiti.engine.impl.form.JuelFormEngine for example implementation. To evaluate groovy, you can use the ScriptingEngines in activiti.

Hope this gets you on the way.

Cheers

opal

Thanks. In general I catch the idea but to be honest, don't know how to configure it. In a moment I'll check the examples. Now I just create a jar with ServiceTasks, TasksListeners and forms. Then I deploy this jar in activiti-rest/WEB-INF/lib so my question is how to create own instance of ProcessEngine?