Hi Johan,
Ok, I understand.
Indeed, my model is a property in a bean that has the primitive type
boolean.
Even though I have a workaround now, I would appreciate such a fix.
If nobody disagrees I am happy to make a JIRA issue for it.
Regards,
Erik.
Johan Compagner schreef:
> my checkbox works fine:
>
> class MyDataObject
> {
> Boolean myBoolean;
>
> void setMyBoolean(Boolean b)
> Boolean getMyBoolean()
> }
>
> so it is not directly the checkbox. But if you map it to a boolean
> (primitive) then you don't have
> the three-state thing yes. (null, false, true)
>
> So i dont know if this is a bug or not that really needs to be fixed.
> Because what is the fix?
>
> I can't do what you do here. Because if it is a Boolean object then
> null/empty string is valid.
>
> Maybe for booleans we can make an exception that null will be false in
> the converter
> What do others think?
>
> johan
>
>
> On 1/9/07, *Erik van Oosten * <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
> Johan,
>
> I got it working as below. Shall I create a Jira issue for this? I
> think
> it would be more logical if checkbox could deal with cleared input.
>
> Erik.
>
>
> // The reset button
> Button resetButton = new Button("resetbutton") {
> /** [EMAIL PROTECTED] */
> protected void onSubmit() {
> // Clear the form
> form.visitChildren(FormComponent.class, new
> Component.IVisitor() {
> public Object component(Component component) {
> FormComponent formComponent = ((FormComponent)
> component);
> if (formComponent instanceof CheckBox) {
> ((CheckBox)
> formComponent).setModelObject("false");
> } else {
> formComponent.clearInput();
> formComponent.updateModel();
> }
> return
> Component.IVisitor.CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER;
> }
> });
> }
> };
> // Perform only the onSubmit, no validation
> resetButton.setDefaultFormProcessing (false);
> form.add(resetButton);
>
>
>
> Erik van Oosten wrote:
> > Yes, correct. The model should be cleared as well.
> > And it indeed uses setDefaultFormProcessing(false).
> >
> > The approach your describing below will throw exceptions for
> checkboxes:
> >
> > WicketMessage: unable to set object null, model:
> >
> Model:classname=[wicket.model.PropertyModel]:attached=true:[EMAIL
> PROTECTED]
> ]:expression=[searchInHistoricNames]:propertyType=[null],
> > called with component [MarkupContainer [Component id =
> formelement, page
> > = nl.amsterdam.rbrb.web.search.SearchPage, path =
> > 2:maincontent:searchform:form:formElements:2:inputfragment:
> formelement.CheckBox,
> > isVisible = true, isVersioned = false]]
> >
> > Root cause:
> >
> > wicket.util.convert.ConversionException: Can't convert null
> value to a
> > primitive class: boolean for setting it on
> >
> [EMAIL PROTECTED]
> > at
> >
>
> wicket.util.lang.PropertyResolver$MethodGetAndSet.setValue(Ljava.lang.Object;Ljava.lang.Object;Lwicket.util.convert.IConverter;)V(
> PropertyResolver.java:838)
> > at
> >
>
> wicket.util.lang.PropertyResolver$ObjectAndGetSetter.setValue(Ljava.lang.Object;Lwicket.util.convert.IConverter;)V(PropertyResolver.java:447)
> > at
> > wicket.util.lang.PropertyResolver.setValue
>
> (Ljava.lang.String;Ljava.lang.Object;Ljava.lang.Object;Lwicket.util.convert.IConverter;)V(PropertyResolver.java:136)
> > at
> >
>
> wicket.model.AbstractPropertyModel.onSetObject(Lwicket.Component;Ljava.lang.Object;)V(
> AbstractPropertyModel.java:182)
> > at
> >
>
> wicket.model.AbstractDetachableModel.setObject(Lwicket.Component;Ljava.lang.Object;)V(AbstractDetachableModel.java:131)
> > at
> > wicket.Component.setModelObject
> (Ljava.lang.Object;)Lwicket.Component;(Component.java:2042)
> > at
> >
>
> wicket.markup.html.form.FormComponent.updateModel()V(FormComponent.java:840)
> > at
> > nl.amsterdam.rbrb.web.form.FormPanel$5.component
> (Lwicket.Component;)Ljava.lang.Object;(FormPanel.java:214)
> > <--- the line with formComponent.updateModel();
> >
> >
> > Regards,
> > Erik.
> >
> >
> >
> >
> > Johan Compagner wrote:
> >
> >> why do you want to call updateFormComponentModels?
> >> You also want to clear all model data? So the models already
> did get
> >> some data from a previous request?
> >> (i take the reset button has setDefaultFormProcessing(false) ?)
> >>
> >> but why not do this:
> >>
> >> form.visitChildren(FormComponent.class, new
> >> Component.IVisitor() {
> >> public Object component(Component component) {
> >> ((FormComponent) component).clearInput();
> >> ((FormComponent) component).updateModel();
> >> return
> >> Component.IVisitor.CONTINUE
> >>
> >> _TRAVERSAL_BUT_DONT_GO_DEEPER;
> >> }
> >> });
> >>
> >>
> >> On 1/9/07, *Erik van Oosten* < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>
> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>
> wrote:
> >>
> >> Hi,
> >>
> >> I am trying the make a reset button (clears all fields)
> with code
> >> below.
> >> According to the class comment of Form I can call
> >> updateFormComponentModels, however that method is not visible.
> >>
> >> What can I do to get the desired effect? I am using
> wicket-1.2.4.
> >>
> >> Regards,
> >> Erik.
> >>
> >>
> >> // The reset button
> >> Button resetButton = new Button("resetbutton") {
> >> /** [EMAIL PROTECTED] */
> >> protected void onSubmit() {
> >> // Clear the form
> >> form.visitChildren(FormComponent.class , new
> >> Component.IVisitor() {
> >> public Object component(Component
> component) {
> >> ((FormComponent)
> component).clearInput();
> >> return
> >> Component.IVisitor.CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER;
> >> }
> >> });
> >> * form.updateFormComponentModels(); //
> <------ method
> >> not visible
> >> * }
> >> };
> >> // Perform only the onSubmit, no validation
> >> resetButton.setDefaultFormProcessing(false);
> >> form.add(resetButton);
> >>
> >>
> >>
> >> --
> >> Erik van Oosten
> >> http://www.day-to-day-stuff.blogspot.com/
> <http://www.day-to-day-stuff.blogspot.com/>
> >>
> >>
> >>
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> --
> Erik van Oosten
> http://www.day-to-day-stuff.blogspot.com/
>
>
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--
Erik van Oosten
http://www.day-to-day-stuff.blogspot.com/
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