Could you elaborate on your hybrid approach? This is something I struggled
with when we used Tapestry 3 and I'm really curious to find out what you
did.
-Chris
On 10/5/05, Larry Sherrill <[EMAIL PROTECTED]> wrote:
>
> > Does this solve your problem?
>
> Yes, I did a hybrid approach using your response and
> Kent's responses. I need to clean it up a bit but it
> is working. Thank you to you and Kent.
>
> Larry Sherrill
>
>
> --- "Muralidhar Y." <[EMAIL PROTECTED]> wrote:
>
> > Easiest way to do is use the "ValidationDeligate" .
> > Where you declare this
> > validation deligate in your html page might not be
> > that imp. But it has to
> > be declared as a bean. In your jave class when you
> > are iterating through the
> > list of persons and when you find the red color
> > there itself get the
> > ValidationDeligate and record the error message in
> > it. Rest of the things
> > will be done by tapestry.
> >
> > First thing is you have to declare the deligate in
> > the "Form" component.
> >
> > To get the validation deligate in your java code :-
> > // getBeans() method is in AbstractComponent.
> >
> > ValidationDeligate
> > vd=(ValidationDeligate)getBeans().getBean("nameOfThe
> > ValidationDeligate bean");
> >
> > To record the message :-
> > // there are three methods to record the error use
> > one according to your
> > convenience.
> >
> > Vd.setFormComponent(IFormComponent component);
> > Vd.record(String message, ValidationConstraint
> > constraint);
> >
> >
> > In your html after propertyselction don't forget to
> > write the following code
> > :-
> >
> > Use "Conditional" component and the codition is
> > ognl:beans.NameOfTheValidationDeligate.hasErrors
> > and use your
> > own decoration like "***" or images or anything.
> >
> > Does this solve your problem?
> >
> >
> > Muralidhar Y
> > Software Engineer,
> > Adastrum technologies-Nikai groups,
> > EmiratesGroup-I.T Division,
> > Dubai, UAE.
> > Mobile : 00971-50-2256149.
> > http://www.adastrumtech.com
> > http://www.mercator.aero
> > (Keep Smiling. Be happy All The Time.)
> >
> > -----Original Message-----
> > From: Larry Sherrill
> > [mailto:[EMAIL PROTECTED]
> > Sent: 03 October 2005 20:17
> > To: Tapestry users
> > Subject: Re: validating PropertySelection in each
> > row of a table
> >
> > Thanks for the reply. I will move to Tapestry 4 soon
> > but for now I need to
> > implement in Tapestry 3.
> >
> > I have placed the Delegator component after the
> > PropertySelection component
> > within the TD tag. I don't understand how MyDelegate
> > accesses the component
> > that it needs to validate. Here is what I have so
> > far:
> > <pre>
> > <td>
> > <select jwcid="[EMAIL PROTECTED]"
> > model="ognl:colors" value="ognl:color"></select>
> > <span jwcid="@Delegator"
> > delegate="ognl:myDelegate"/>
> > </td>
> >
> > public class MyDelegate implements IRender {
> >
> > public void render(IMarkupWriter w, IRequestCycle
> > c) {
> > if (c.isRewinding()) {
> > // validate component
> > // - if user selected red then print "***"
> > }
> > }
> >
> > }
> >
> > Home.java has a getMyDelegate method.
> > </pre>
> >
> > 1. How does the render method get access to the
> > component it needs to valid
> > to validate?
> > 2. If I am in rewind then how does the *** ever get
> > printed in case of error
> > since output is swallowed.
> >
> > I am currently digging thru the source for
> > ValidationDelegate for clues as
> > well as looking thru Tapestry in Action and
> > EnjoyWebDevWithTapestry.
> >
> > Thank you very much,
> > Larry Sherrill
> >
> >
> >
> > --- Kent Tong <[EMAIL PROTECTED]> wrote:
> >
> > > Larry Sherrill <larrypsherrill <at> yahoo.com <http://yahoo.com>>
> > > writes:
> > >
> > > > In my submit method I loop through the list of
> > > Persons
> > > > to validate that the favoriteColor is not the
> > > choice
> > > > "Red". If it is, then I want to mark the
> > > corresponding
> > > > propertySelection field with a "**" to the right
> > > of
> > > > the PropertySelection drop down.
> > >
> > > The cleanest solution is to upgrade to Tapestry 4
> > where you can
> > > provide a validator to validate your
> > PropertySelection component.
> > >
> > > If you must stick to tapestry 3, you may add a
> > Delegator component
> > > just after your PropertySelection, implement
> > IRender in code.
> > > In that code you can perform the check if it's a
> > rewind.
> > >
> > > --
> > > Author of a book for learning Tapestry
> > > (http://www.agileskills2.org/EWDT)
> > >
> > >
> > >
> >
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> >
> >
> >
> >
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