Define EventHandler order for @Wizard ActionBeans
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Key: STS-737
URL: http://www.stripesframework.org/jira/browse/STS-737
Project: Stripes
Issue Type: New Feature
Components: Validation
Reporter: Yves Senn
We have a multi-page form, that the user needs to fill step by step and submit
the order at the end. We currently use @Wizard for these kind of forms and
noticed that it is possible to just enter the data on the first page,
manipulate the name="" Attribute of the submit button and jump straight to the
last page. Stripes has no way of detecting that several form pages were skipped
since the field names never get written to the __fp hidden field.
I think it should be possible to define an order for the eventHandlers. Then
stripes can make sure that the eventHandler for step3 gets called after step2.
With such a mechanism we can guarantee that the user has passed all steps when
he reaches the end of the wizard. I also think that it should be possible to
annotate an eventHandler to perform all validations and ignore the values in
__fp. This way we can make sure that risky actions like sending an order or
saving the record have all values present.
To illustrate what I am thinking about I created an example Gist with the
eventHandler order: https://gist.github.com/1072357cbedbcbf0f587
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