In onbeforerender you should init the modelobkect not the model.
But in your simple case you dont even need onbrforwrender, instead:
new textfield(..., new propertymodel(this,"model")). Done.
-Igor
On Sunday, May 17, 2009, Ian MacLarty <ian.macla...@gmail.com> wrote:
> Hi,
>
> If I have a TextField whose model object is a Float, then if the user
> enters an invalid value, say "aaa", the TextField will remember that
> invalid value and display it when the page is re-rendered. How would
> you go about getting the same behaviour for a custom FormComponent?
>
> Here is my simple custom FormComponent.
>
> public class MyPanel extends FormComponentPanel {
> TextField field;
>
> public MyPanel(String id) {
> super(id);
> field = new TextField("f", Float.class);
> add(field);
> }
>
> �...@override
> protected void convertInput() {
> setConvertedInput(field.getConvertedInput());
> }
>
> �...@override
> protected void onBeforeRender() {
> field.setModel(getModel());
> super.onBeforeRender();
> }
> }
>
> <wicket:panel>
> <input wicket:id="f" type="text" />
> </wicket:panel>
>
> And here is how I use it:
>
> public class HomePage extends WebPage {
>
> private static final long serialVersionUID = 1L;
>
> public HomePage(final PageParameters parameters) {
> CompoundPropertyModel cpModel = new CompoundPropertyModel(this);
> Form form = new Form("form", cpModel);
> form.add(new TextField("field1", Float.class));
> form.add(new MyPanel("field2"));
> add(form);
> }
>
> private Float field1 = 1.0f;
> private Float field2 = 2.0f;
>
> public Float getField1() {
> return field1;
> }
>
> public void setField1(Float value) {
> field1 = value;
> }
>
> public Float getField2() {
> return field2;
> }
>
> public void setField2(Float value) {
> field2 = value;
> }
> }
>
> <html>
> <head>
> <title>Wicket Quickstart Archetype Homepage</title>
> </head>
> <body>
> <form wicket:id="form">
> <input wicket:id="field1" type="text" />
> <div wicket:id="field2" />
> <input type="submit" value="Submit" />
> </form>
> </body>
> </html>
>
> If I run this and enter "aaa" for field1 and "bbb" for field2 and
> submit the form, then when the page is re-rendered field1 still has
> "aaa", but field2 has been reset to "2". I'm pretty sure the problem
> is to do with the call to setModel in MyPanel#onBeforeRender, but I
> don't know how else to link the FormComponent model with the model of
> the TextField inside the FormComponent.
>
> Any help would be greatly appreciated. I'm using Wicket 1.3.5.
>
> Cheers,
> Ian.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
