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From Duncan McLean <duncan_mcl...@blueyonder.co.uk>
Subject Re: Dynamically setting a cform field as required in javascript form definition
Date Fri, 17 Feb 2006 17:28:53 GMT
Hi again

Thanks for the advice - looks like we make take the 3rd option as this 
looks the most workable for us at the moment.

Duncan

Simone Gianni wrote:

> Hi Duncan,
> yes, setRequired has been introduced after 2.1.7, i believe it's in 
> 2.1.8. Unfortunately there is no way to set a widget required or not 
> dynamically in 2.1.7. You could :
> - Upgrade to 2.1.8
> - Take the 2.1.8 field (o.a.c.forms.formmodel.Field) source (together 
> with builder and definition), and patch only those fiels in your 2.1.7 
> (this could work).
> - If you cannot patch cocoon, take the 2.1.8 field (same, Field, 
> FieldDefinition and FieldDefinitionBuilder) sources, repackage them in 
> a package of yours (eclipse refactoring can help) and then change 
> cocoon.xconf so that does not use the default Field but your Field 
> (which is 2.1.8 one). Haven't tested this myself, but with a bit of 
> work should do the trick.
>
> Hope this helps.
>
> Simone
>
> Duncan McLean wrote:
>
>>Hi Simone
>>
>>Thanks for that, but we tried using "widget.setRequired(true)" but it
>>reports that "setRequired is not a function".
>>
>>We are using Cocoon 2.1.7 - is this the problem or is it something else?
>>
>>Thanks
>>
>>  
>>
>>>Hi Duncan,
>>>If you are talking about server side javascript (like flow or
>>>fd:on-value-changed) then you can use the setRequired(true) on the
>>>widget(s) you want to make mandatory. In this case, you have to set the
>>>fd:on-value-changed in the radio buttons definition, with a
>>>fd:javascript inside that makes all the needed checks and then looks up
>>>the widgets and calls widget.setRequired(true) on those that must become
>>>mandatory when a certain radio button is selected.
>>>
>>>Also, if it does not happen automatically, set a fi:styling
>>>submit-on-change on those radio buttons, to make sure the form will get
>>>automatically submitted when the user selectes a radio button.
>>>
>>>This techique will cause a page reload, you can make this less annoying
>>>for the user using ajax.
>>>
>>>Hope this helps,
>>>Simone
>>>
>>>
>>>
>>>
>>>Duncan McLean wrote:
>>>
>>>    
>>>
>>>>Hi
>>>>
>>>>Does anyone know how to set a field as required from within a Javascript
>>>>block in a field definition?
>>>>
>>>>We have a set of radio buttons, and depending on which one is selected
>>>>this will influence which subsequent fields are compulsory.
>>>>We've tried to set the "required" attribute of a particular field, but
>>>>this has no effect.
>>>>
>>>>Anybody have any code which does this, or is it impossible?
>>>>
>>>>Thanks
>>>>
>>>>Duncan
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>>      
>>>>
>>>--
>>>Simone Gianni
>>>
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>>>
>>>
>>>
>>>    
>>>
>>
>>
>>
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>>
>>  
>>
> -- 
> Simone Gianni




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