I'm afraid not. I ended up with enclosing all users in one big form. I
thought it wasn't worth solving when the one form approach worked just
fine in my case.
/Olof
On 29/10/2007, Angelo Chen <[EMAIL PROTECTED]> wrote:
>
> Hi Olof,
>
> Did you find a solution to this? I have similar need as yours this time.
>
> A.C.
>
>
> "Olof =?UTF-8?Q?N=C3=A6ss=C3=A9n" ?= wrote:
> >
> > I have a problem with using forms in components where the data model
> > is passed to the components via parameter inside a T5 loop component.
> > When a form is submitted the data model seems to be lost.
> >
> > What I'm trying to do is to iterate through a collection of users and
> > construct a form for each user where a user name can be edited. Each
> > form resides in a component that handles submission. The user model
> > data is passed to the component inside a page where a loop loops
> > through a collection of users. The idea is to have a form for each
> > user so when submitting a form, only the user edited will get updated.
> > However, when a form is submitted the user data model is lost and ends
> > up as a null pointer.
> >
> > I wouldn't be surprised if I've missed something obvious or if the way
> > I try to achieve a form for each user isn't a valid usage of T5. Any
> > thoughts or suggestions? I've attached a simple example demonstrating
> > my approach in this email.
> >
> > /Olof
> >
> > // User.java Data Model
> > package org.example;
> >
> > public class User
> > {
> > private String name;
> >
> > public User(String name)
> > {
> > this.name = name;
> > }
> >
> > public String getName()
> > {
> > return name;
> > }
> >
> > public void setName(String name)
> > {
> > this.name = name;
> > }
> > }
> >
> > //Users.java T5 Page
> > package org.example.testapp.pages;
> >
> > import java.util.ArrayList;
> > import java.util.List;
> >
> > import org.apache.tapestry.annotations.Persist;
> > import org.example.User;
> >
> > public class Users
> > {
> > private User user;
> >
> > @Persist("flash")
> > private List<User> users;
> >
> > public void onActivate()
> > {
> > if (users == null)
> > {
> > users = new ArrayList<User>();
> > users.add(new User("Ted"));
> > users.add(new User("Olof"));
> > }
> > }
> >
> > public User getUser()
> > {
> > return user;
> > }
> >
> > public void setUser(User user)
> > {
> > this.user = user;
> > }
> >
> > public List<User> getUsers()
> > {
> > return users;
> > }
> > }
> >
> > // Users.html T5 Template
> > <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
> > <head>
> > </head>
> > <body>
> > <t:loop source="users" value="user">
> > <t:edituser user="user"/>
> > </t:loop>
> > </body>
> > </html>
> >
> > //EditUser.java T5 Component
> > package org.example.testapp.components;
> >
> > import org.apache.tapestry.annotations.Parameter;
> > import org.example.User;
> >
> > public class EditUser
> > {
> > @Parameter(required = true)
> > private User user;
> >
> > public void setUser(User user)
> > {
> > this.user = user;
> > }
> >
> > public User getUser()
> > {
> > return user;
> > }
> >
> > public void onSuccess()
> > {
> > // save user
> > }
> > }
> >
> > //EditUser.html T5 Template
> > <t:form xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
> > <t:textfield value="user.name"/><br/>
> > <t:submit t:id="save" value="save"/>
> > </t:form>
> >
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> >
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/-T5--Problem-with-multiple-forms-in-a-loop-tf4533944.html#a13467431
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
>
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