but give the panel the id you want to get out of the compound model
but do give the compound model to the panel:
class MyPanel extends Panel {
public MyPanel(String id, Model parentCompoundModel, String[] textFieldIds) {
super(id);
setModel(new MyCompoundModel(parentCompoundModel,textFieldIds))
add(new TextField(textFieldIds[0]));
add(new TextField(textFieldIds[1]));
}
}
then in that MyCompoundModel you have the getObject(null,id) where you concat all the properties of the parentcompound model
and if you do getan getObject(textfield, textfield[i]) you get only the textfield[i] property of the parentcompound model
johan
On 5/3/06, Rüdiger Schulz
<[EMAIL PROTECTED]> wrote:
Hello Johan,
yes, I'd like to make a generic Panel, which Model is updated
(somehow) by a combination or some other computation of the Models of
its included FormComponents. So the Panel shall map on a single
property, but consists of several sub-components.
I see that Palette from extensions does something like that, but I
don't really see through the way it is done there (updateModel() of
the Recorder calls updateModel() of the Palette, which itself seems to
change to modelObject).
To clarify this a little, some code snippets (at least there's no
language barrier ;):
class MyPanel extends Panel {
public MyPanel(String id) {
super(id);
add(new TextField());
add(new TextField());
}
}
I'd like this Panel behave in such a way, that when I enter "foo" in
the first field and "bar" in the second:
myPanel().getModelObjectAsString() == "foobar"
Where should I process the concatenation to update the panel model
correctly? Because _then_ I could use MyPanel in a form with a CPM,
and the form wouldn't have to care about anything happening inside the
Panel.
I hope this is a little clearer now :-)
--
greetings from Berlin,
Rüdiger Schulz
Johan Compagner wrote on 03.05.2006 at 13:49:
> what does the panel have to do with the property in a CPM?
> It is the things that are in the panel that want to use the CPM that needs the right properties.
> But are you saying you want to make a somwhat generic FormPanel
> with textfields that must map on
> specific properties on a random CPM?
> You could use the BoundedCPM for this and bind the textfields in
> the panel to the right dataprovider.
> johan
> On 5/3/06, Rüdiger Schulz < [EMAIL PROTECTED]> wrote:
> Hello fellow Wicket users,
> I have a general question regarding models and using them with forms
> and custom panels.
> In my example I have a form with a CompoundPropertyModel and several
> standard TextFields etc., each one therefore being mapped to a
> Property of the Bean passed to the CPM. So far so good :)
> Now I want to create "Form Panels", meaning a Panel with one or more
> FormComponents, which are then mapped together to a single property.
> In this case it is a TextField and a corresponding DatePicker. I'd
> like to put this in a Panel, so that I can reuse it easily on several
> forms, and also being mapped to different Beans and Properties.
> So, without the Panel this is no problem; I just set the ID of the
> TextField to the name of the property, and the mapping is done via the
> CPM. But this is not possible when I put this in a Panel, since in the
> HTML for the Panel, the id must always be the same.
> So, what needs to be done in the panel, that the TextField is always
> mapped to the right Property of the enclosing form? Should I just set
> the Model of the field to the one of the Panel?
> And to make this more general:
> How do I do this for a Panel with say two TextFields, whose contents
> should be concatenated and put into a single property, again via using
> a form with a CPM.
> I'd like to have it work like this in the form:
> add(new MyFormPanel("propertyName"));
> Is this possible?
> Any hints are welcome :-)
> I have already read the Wiki-articles on Models
> (http://www.wicket-wiki.org.uk/wiki/index.php/Using_Models and
> http://www.wicket-wiki.org.uk/wiki/index.php/Models), but couldn't
> find this out. I think I'm just a small step away - I already found
> out about Model chaining, but got this to work only with a Panel being
> mapped to a Property, which is iteself a Bean, and not a Date or
> String as in my case :(
> --
> greetings from Berlin,
> Rüdiger Schulz
> -------------------------------------------------------
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