hi Christophe, you're right... there is a risk in decorating/using internal services... but this is why i write extensive tests to catch these changes :)
as you probably know, tapestry features static components/pages and dynamic behaviour. so components are stateless until they are retrieved from the pool for rendering and populated with the values from the persistent store. if you try to detect data modifications (just a guess - as i still dont know what you want to achieve ;)) you should look at your beans/entities/domain objects your components are bound to . g, kris Cordenier Christophe <[EMAIL PROTECTED]> 11.03.2008 13:55 Bitte antworten an "Tapestry users" <users@tapestry.apache.org> An Tapestry users <users@tapestry.apache.org> Kopie Thema RE: T5 : How to access to a Component Body ? Hi Kristian, Thank you for you're answer. You're right, it's a part of the job the job if I want to get for example a state modification set during component rendering. But what is missing with this approach is that "@Persist" annotation is associated to a component class. Not to a component in a page... Furthermore, I'm actually wondering if it's good idea to decorate a service that is declared to be part of the "internal" API. I did it too but I'm not sure it's the good approach with Tapestry 5. Considering the decorated service is renamed or refactored, the decoration method in "AppModule" won't be called anymore without any notice. Christophe -----Message d'origine----- De : Kristian Marinkovic [mailto:[EMAIL PROTECTED] Envoyé : mardi 11 mars 2008 13:38 À : Tapestry users Objet : RE: T5 : How to access to a Component Body ? hi, if you just want the state (persistent fields ....) you could decorate the PersistentFieldManager. This service is used to persist all fields with a @Persist annotation into the respective store. i used this to implement a kind of conversation control maybe you could elaborate more on what you want to accomplish... g, kris Cordenier Christophe <[EMAIL PROTECTED]> 11.03.2008 13:28 Bitte antworten an "Tapestry users" <users@tapestry.apache.org> An Tapestry users <users@tapestry.apache.org> Kopie Thema RE: T5 : How to access to a Component Body ? Actually i'm wondering if it would be possible to monitor every elements contained in a part of a Template. Extracting persistent fields, parameters... Every information that defines the state of the portion of template for a user request. -----Message d'origine----- De : Davor Hrg [mailto:[EMAIL PROTECTED] Envoyé : mardi 11 mars 2008 11:57 À : Tapestry users Objet : Re: T5 : How to access to a Component Body ? explain what are zou trzing to achieve, maybe we can offer a different approach.. Davor Hrg On Tue, Mar 11, 2008 at 10:33 AM, Cordenier Christophe <[EMAIL PROTECTED]> wrote: > Thank you for your answer, > > But actually my component must access its child in a dynamic way. > It will be used in different context for analysis purpose. > > I've been searching for different ways to access a component body. > > For exemple, by using "nestedId" at creation time by decorating the PageElementFactory to identify if a component is contained in my component, but the nestedId does not contain the id of the parent component but is only suffixed to the container nested id. > > By decorating ComponentPageElement and intercepting "addToBody" method call for my component only, but it was not enough for the children and I don't want to generalize the use of these kind of hooks or wrapping mechanism because of the "internal" aspect of the PageElementFactory and ComponentPageElement classes. > > Best regards, > Christophe. > > -----Message d'origine----- > De : Davor Hrg [mailto:[EMAIL PROTECTED] > Envoyé : mardi 11 mars 2008 10:08 > À : Tapestry users > Objet : Re: T5 : How to access to a Component Body ? > > > > you can not access child components geenricaly, > but you can access blocks by id. > > you can embed components > @Component TextField name; //component's class is decided here > and in template simply put: > <div t:id="name"/> > > > but to access a textfield as Field you can: > @InjectComponent private Field name; > and then component's class is resolved from the template > so in the template you must put: > <t:textfield id="name"/> > > > you can not use it like this: > @Component private Field name; > and in template > <t:textfield id="name"/> > > > Davor Hrg > On Tue, Mar 11, 2008 at 9:25 AM, Cordenier Christophe > <[EMAIL PROTECTED]> wrote: > > Hello, > > > > I'm currently working on a component that needs to access the content of its body to extract informations like parameters, or persistent variable used by the components declared in its body. > > > > Actually, the ComponentResources class allows me to access the container of a component, but it appears that a child is not "contained in" the component. > > This should have helped me from a down-top view. > > > > And I didn't find any method to access the body of a component. > > > > Does anyone knows a way to access the children of a component ? > > > > Best Regards, > > Christophe Cordenier. > > > > > > Ce message et les pi?ces jointes sont confidentiels et r?serv?s ? l'usage exclusif de ses destinataires. 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