Hi Michael,
If you do not make sure the input field are part of the execute they
won't get processed.
Thanks!
Kind regards,
Manfred Riem
On 2/8/16, 10:06 AM, Michael Müller wrote:
> Hi Manfred,
>
> Because I have some input fields nested in the f:ajax, every input
> triggers the partial request. Every field would be single validated.
> Can't we trigger the group validation (I prefer this to a whole bean
> validation) by the way?
>
> Or, if sombody likes to trigger the group validation independent from
> the single field trigger, then we need to define a special trigger
> condition. It shall not be triggered on submit of the form - this
> seems to be much too late. And not by hitting any button. Just when
> the user performed some input.
>
> Maybe
> <f:validationGroup group="..." trigger="...."/>
> A trigger condition might be "fieldA not empty and fieldB not empty"...
>
> To me, triggering the group validation togehter with the user input
> (ajaxified field) would fit.
>
> To my example: I just ried to wrap the whole thing into an f:ajax.
> Sine rendering tho whole div will destroy the focus, I prefer to
> ajaxify each single field:
>
> <="" h:inputtext=""> <="" h:inputtext=""> <h:message for="ageValidator"/>
> <h:inputText id="ageDays" value="#{grouper.ageDays}">
> <f:validateBean id="ageValidator"
> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Age"/>
> <f:ajax render="msgAgeDays ageValidator"
> validate="de.muellerbruehl.jsf23.Age"/>
> </h:inputText>
> <h:message id="msgAgeDays" for="ageDays"/>
>
> <h:inputText id="ageYears" value="#{grouper.ageYears}">
> <f:validateBean
> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Age"/>
> <f:ajax render="msgAgeYears ageValidator"
> validate="de.muellerbruehl.jsf23.Age"/>
> </h:inputText>
> <h:message id="msgAgeYears" for="ageYears"/>
>
> And writing down this example, I got the idea to add a validate
> attribute to the f:ajax. This way, the JSF user might trigger the
> multi field validation on his preferred place.
>
> Herzliche Grüße - Best Regards,
>
> Michael Müller
> Brühl, Germany
> blog.mueller-bruehl.de <http://blog.mueller-bruehl.de/>
> it-rezension.de <http://it-rezension.de/>
> @muellermi
>
>
> Read my books
> "Web Development with Java and JSF": https://leanpub.com/jsf
> "Java Lambdas und (parallel) Streams" Deutsche Ausgabe:
> https://leanpub.com/lambdas-de
> "Java Lambdas and (parallel) Streams" English edition:
> https://leanpub.com/lambdas
>
> Am 08.02.2016 um 16:43 schrieb manfred riem:
>> Hi Michael,
>>
>> If you are using f:ajax you need to make sure you submit something.
>> You cannot just have f:ajax do a re-render.
>>
>> Thanks!
>>
>> Kind regards,
>> Manfred Riem
>>
>> On 2/7/16, 6:58 AM, Michael Müller wrote:
>>> Hi experts,
>>>
>>> In a real worl application hospitals and people of the healthcare
>>> sector have to report comprehensiove information to a central
>>> institute. For each domain the user might fullfill a form - from a
>>> handfull of input fields up to a tabbed page with several hundresds
>>> of fields or lists. Usuall it takes some time to fullfill such a
>>> form. Thus, the user may store the data at any time and continue
>>> after a break. Once he has finished, he "sends" the data to the
>>> institute.
>>>
>>> Some requirements:
>>> - provide the user straight feedback
>>> - offer or hide conditional fields depending on the previous user input
>>> - check the input, thus it is compatible to the database at any time
>>> - check the whole form whnen the user clicks onto the send button
>>>
>>> I made some tests, how to solve this with our new multi field
>>> validation.
>>>
>>> Provide straight feedback and store at any time needs to use ajax:
>>> Every single field is pushed into the model to store an intermediate
>>> version.
>>>
>>> And to provide straight feedback on conditional fields or
>>> interacting fields requires an immediate multi field validation. It
>>> seems (unless I did not understand it right), that we can't use
>>> validateWholeBean for this. As the name states, it validates the
>>> whole bean and not a single group. As a workarround I split the data
>>> and used multiple backing beans for a single form. I tried to
>>> validate just after the input using ajax. Sadly, validateWholeBeans
>>> became active only after clicking the submit button.
>>>
>>> Here an excerpt of the form:
>>>
>>> <div jsf:id="age">
>>> <f:ajax render="age">
>>> <h:message for="ageValidator"/>
>>> <h:inputText id="ageDays" value="#{grouper.ageDays}">
>>> <f:validateBean id="ageValidator"
>>> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Age"/>
>>> </h:inputText>
>>> <h:message for="ageDays"/>
>>>
>>> <h:inputText id="ageYears" value="#{grouper.ageYears}">
>>> <f:validateBean
>>> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Age"/>
>>> </h:inputText>
>>> <h:message for="ageYears"/>
>>> <f:validateWholeBean value="#{grouper}"
>>> validationGroups="de.muellerbruehl.jsf23.Age" id="ageValidator"/>
>>> </f:ajax>
>>> </div>
>>>
>>> <div jsf:id="email">
>>> <f:ajax render="emailValidator">
>>> <h:message for="ageValidator"/>
>>> <h:inputText value="#{emailBean.email1}">
>>> <f:validateBean
>>> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Email"/>
>>> </h:inputText>
>>>
>>> <h:inputText value="#{emailBean.email2}">
>>> <f:validateBean
>>> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Email"/>
>>> </h:inputText>
>>>
>>> <f:validateWholeBean value="#{emailBean}"
>>> validationGroups="de.muellerbruehl.jsf23.Email" id="emailValidator"/>
>>> </f:ajax>
>>> </div>
>>>
>>> <h:commandButton value="submit"/>
>>>
>>> No matter, whether I include the f:validateWholeBean into the
>>> f:ajax, it it validated on submit only.
>>>
>>> I propose to enhance the multi field validation:
>>>
>>> - let the user define a couple of multi field validation
>>> (f:validateWholeBean or a new tag like f:validateGroup)
>>> - if a single field of this group is validated, validate the whole
>>> group too (no matter whether the validateWholeBean is place into a
>>> f:ajax)
>>>
>>> or
>>> - add an attribute validateGroup="someGroup" to the f:validateBean
>>> tag, e.g.
>>> <f:validateBean
>>> validationGroups="javax.validation.groups.Default,de.muellerbruehl.jsf23.Email"
>>> validateGroup="de.muellerbruehl.jsf23.Email"/>
>>> - on a partial request (in case of ajax), if validateGroup is
>>> declared, create a temp. copy of the bean and perform a group
>>> validation for the declared group.
>>>
>>> What do you think about this?
>>>
>>>
>>> --
>>>
>>> Herzliche Grüße - Best Regards,
>>>
>>> Michael Müller
>>> Brühl, Germany
>>> blog.mueller-bruehl.de <http://blog.mueller-bruehl.de/>
>>> it-rezension.de <http://it-rezension.de/>
>>> @muellermi
>>>
>>>
>>> Read my books
>>> "Web Development with Java and JSF": https://leanpub.com/jsf
>>> "Java Lambdas und (parallel) Streams" Deutsche Ausgabe:
>>> https://leanpub.com/lambdas-de
>>> "Java Lambdas and (parallel) Streams" English edition:
>>> https://leanpub.com/lambdas
>>>
>>
>