Hello,
thanks for the answers. At the moment I am not able to access my code but let
me explain the code in detail and give you some additional examples. I think
the idea with the stateful behavior could be right but I do not understand the
reason.
In detail.
- I have a starting page where a Link is constructed that depending on the
available
PageParameters links to the second page with or without PageParameters:
p.. PageParameters
setResponsePage(MyPage2.class, p) or setResponsePage(MyPage2.class) or
- After clicking the link on the starting page, the MyPage2 will be opened and
the constructor adds the elements to the page. A Form will be added and gets
a Model that is created in the constructor:
MyModel model = new MyModel();
The MyModel has two fields.
class MyModel {
private String text;
private List<String> classes;
public void setText ..
public void setClasses...
public String getText ...
public List<String> getClasses...
}
The "classes" field is pre-filled with 3 entries in the MyModel class.
Before the end of the constructor, my Form is added with:
add(new MyForm("id", new CompoundPropertyModel(model)));
When I submit the form, the MyPage3 is opened and the values from
the MyForm are used.
When I click back to my starting page and click on the link to MyPage2,
the selected values from the first click to this page are filled in the
MyModel. I printed the values of MyModel directly after the line:
MyModel model = new MyModel()
Normally, the pre-filled values should be in the classes variable. BUT ...
I have the selected values from the first call of the MyPage2.
That's my miracle :)
Thanks for any additional help
Andre
----- Original Message -----
From: [email protected]
To: [email protected]
Date: 03.07.2012 07:44:54
Subject: Re: Model is not created
> On Mon, Jul 2, 2012 at 11:45 PM, Andre Schütz <[email protected]> wrote:
>> Hello,
>>
>> I have a problem with the creation of a model in one of my pages.
>> It works as follows:
>>
>> I have a link that uses setResponsePage(new MyPage(parameters)) on the click
>
> I'd recommend to use setResponsePage(MyPage.class, parameters) instead
> in this case. This way you will have a nice looking url and the page
> may stay stateless if there are no stateful components/behaviors in
> it.
> If you know the parameters earlier then you can even use
> BookmarkablePageLink("id", MyPage.class, parameters) - this will save
> you a http redirect.
>
>> with parameters as PageParameters.
>> At the MyPage site, the constructor creates a:
>> IModel<MyModel> model = new IModel<MyModel>() {
>> public void setObject ..
>> public MyModel getObject..
>> }
>>
>> This variable is used to create a CompoundPropertyModel for a Form.
>>
>> The first time when I click on my link to the MyPage site, everything
>> is fine. At the second time, the MyModel variable is not empty. The
>> variable is filled with the selected values from the first time when
>> I clicked on the link to the MyPage site.
>>
>> I do not understand this behavior. Normally, the MyModel variable
>> should be empty and not filled with the last selection.
>>
>> Has someone an idea?
>>
>> Thanks,
>> Andre
>>
>> --
>> Andre Schütz <[email protected]>
>>
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>>
>
>
>
> --
> Martin Grigorov
> jWeekend
> Training, Consulting, Development
> http://jWeekend.com
>
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