@jonas : I admit am quite new at wicket but i think i understand how compoundpropertymodel and propertymodel works. I have used them quite extensively in my code. I think i have an issue with properly using the choice renderer cos that is where the problem is. Thank you for you help.
On 1/21/10, Jonas <barney...@gmail.com> wrote: > Make sure you fully understand how CompoundPropertyModel and > PropertyModel work first. > I suggest to study some documentation about CompoundPropertyModel (as > in [1], [2] or [3]) > and to do some googleing for code examples. > > [1] <http://cwiki.apache.org/WICKET/working-with-wicket-models.html> > [2] > <http://www.javabeat.net/javabeat/wicket/tutorials/basics/4-more-on-models.php> > [3] <http://wicketinaction.com/book/> > > > On Thu, Jan 21, 2010 at 9:28 AM, chinedu efoagui <chinedub...@gmail.com> > wrote: >> @jonas >> >> Thanks a lot for your help but could illustrate with some code please >> so i can get the full idea >> .......... >> >> >> On 1/20/10, Jonas <barney...@gmail.com> wrote: >>> with this code, you're trying to set a PersonnelrecordsDepartment Object >>> into the field called parentId of the object referred to by the >>> 'selected' variable >>> that you're passing to the CompoundPropertyModel. The data types don't >>> match, that's why wicket trys to safe the day using conversion (which >>> obviously >>> cannot succeed in this case...). >>> You can either: >>> a) change the data type of the parentId field of your 'selected' object >>> or >>> b) change your dropdown choice so only the id is propagated instead of >>> the >>> whole PersonnelrecordsDepartment Object. you could do that e.g. by >>> setting the ids >>> as choices, and use a custom choicerenderer which retrieves and >>> renders the PersonnelrecordsDepartment Objects >>> >>> I hope that helps... >>> >>> On Wed, Jan 20, 2010 at 4:54 PM, chinedu efoagui <chinedub...@gmail.com> >>> wrote: >>>> @jonas ignore that. i was just refactoring the code for the email. >>>> the error is runtime not compile time. >>>> I think it is a conversion problem >>>> please help >>>> The field parentid is integer but the dropdown is expecting object >>>> the form >>>> <code> >>>> IModel zaModel=new CompoundPropertyModel(selected); >>>> departmentform.setModel(zaModel); >>>> RequiredTextField departmentname=new >>>> RequiredTextField("departmentname"); >>>> departmentname.setOutputMarkupId(true); >>>> departmentform.add(departmentname); >>>> >>>> DepartmentDropDownChoice title=new >>>> DepartmentDropDownChoice("parentid",zaModel); >>>> departmentform.add(title); >>>> >>>> departmentform.add(new >>>> AjaxFallbackLink("canceldepartmentformbutton"){ >>>> >>>> �...@override >>>> public void onClick(AjaxRequestTarget target) { >>>> closeModalWindow(target); >>>> >>>> } >>>> >>>> >>>> }); >>>> feedback = new FeedbackPanel("feedback"); >>>> feedback.setOutputMarkupId(true); >>>> int[] filteredErrorLevels = new int[]{FeedbackMessage.ERROR}; >>>> feedback.setFilter(new >>>> ErrorLevelsFeedbackMessageFilter(filteredErrorLevels)); >>>> departmentform.add(feedback); >>>> >>>> >>>> FeedbackLabel departmentFeedbackLabel = new >>>> FeedbackLabel("departmentfeedback", departmentname,new >>>> Model("Department is required")); >>>> departmentFeedbackLabel.setOutputMarkupId(true); >>>> departmentname.add(new ComponentVisualErrorBehavior("onblur", >>>> departmentFeedbackLabel)); >>>> departmentform.add(departmentFeedbackLabel); >>>> >>>> >>>> departmentform.add(new >>>> AjaxFallbackButton("savedepartmentbutton", departmentform) { >>>> >>>> @Override >>>> protected void onSubmit(AjaxRequestTarget target, Form<?> form) { >>>> >>>> PersonnelrecordsDepartment >>>> pr=(PersonnelrecordsDepartment)form.getDefaultModel().getObject(); >>>> >>>> try { >>>> if(isNew){ >>>> dao.addPersonnelrecordsDepartment(pr); >>>> } >>>> else{ >>>> >>>> dao.savePersonnelrecordsDepartment(pr); >>>> } >>>> } catch (GenericBusinessException ex) { >>>> >>>> Logger.getLogger(DepartmentPanel.class.getName()).log(Level.SEVERE, >>>> null, ex); >>>> } >>>> //target.addComponent(form); >>>> setFormReponse(target); >>>> >>>> } >>>> >>>> @Override >>>> protected void onError(AjaxRequestTarget target, >>>> Form<?> form) >>>> { >>>> // repaint the feedback panel so errors are shown >>>> >>>> target.addComponent(feedback); >>>> } >>>> >>>> }); >>>> >>>> add(departmentform); >>>> } >>>> private void setFormReponse(AjaxRequestTarget target){ >>>> >>>> >>>> info("Save Operation was Successful"); >>>> >>>> target.addComponent(feedback); >>>> >>>> } >>>> FeedbackPanel feedback; >>>> >>>> >>>> } >>>> >>>> >>>> </code> >>>> >>>> On 1/20/10, Jonas <barney...@gmail.com> wrote: >>>>> not sure if that's the problem, but shouldn't >>>>> >>>>> setChoices(titles); >>>>> >>>>> be >>>>> >>>>> setChoices(departments); >>>>> >>>>> >>>>> >>>>> >>>>> On Wed, Jan 20, 2010 at 4:14 PM, chinedu efoagui >>>>> <chinedub...@gmail.com> >>>>> wrote: >>>>>> Hello , I have a class PersonnelrecordsDepartment >>>>>> with the following fields with corresponding getters and setters >>>>>> private java.lang.Integer id; >>>>>> private java.lang.String departmentname; >>>>>> private java.lang.Integer parentid; >>>>>> >>>>>> I left out the getters and setters . Any the field parentid can refer >>>>>> to an existing department like a recursive stuff like having a self >>>>>> foreign key >>>>>> Anyway the problem is that i have a dropdownlchoice for the form >>>>>> <code> >>>>>> public class DepartmentDropDownChoice extends DropDownChoice { >>>>>> >>>>>> �...@springbean(name="IHRService") >>>>>> private IHRService dao; >>>>>> >>>>>> */ /** >>>>>> * >>>>>> * @param id >>>>>> * @param model >>>>>> */ >>>>>> public DepartmentDropDownChoice(String id,final IModel model){ >>>>>> >>>>>> super(id,model); >>>>>> final ChoiceRenderer renderer = new >>>>>> ChoiceRenderer("departmentname", "id"); >>>>>> >>>>>> setChoiceRenderer(renderer); >>>>>> List<PersonnelrecordsDepartment> >>>>>> departments=Collections.EMPTY_LIST; >>>>>> try { >>>>>> departments = dao.getPersonnelrecordsDepartmentList(); >>>>>> } catch (GenericBusinessException ex) { >>>>>> >>>>>> Logger.getLogger(DepartmentDropDownChoice.class.getName()).log(Level.SEVERE, >>>>>> null, ex); >>>>>> } >>>>>> setChoices(titles); >>>>>> } >>>>>> </code> >>>>>> >>>>>> and it gives this error anytime i try to save the personneldepartment >>>>>> object >>>>>> <code> >>>>>> 2010-01-20 16:12:07,745 ERROR [org.apache.wicket.RequestCycle] - >>>>>> <Cannot format given Object as a Number> >>>>>> java.lang.IllegalArgumentException: Cannot format given Object as a >>>>>> Number >>>>>> at java.text.DecimalFormat.format(DecimalFormat.java:487) >>>>>> at java.text.Format.format(Format.java:140) >>>>>> at >>>>>> org.apache.wicket.util.convert.converters.AbstractNumberConverter.convertToString(AbstractNumberConverter.java:111) >>>>>> at >>>>>> org.apache.wicket.util.lang.PropertyResolverConverter.convert(PropertyResolverConverter.java:85) >>>>>> at >>>>>> org.apache.wicket.util.lang.PropertyResolver$MethodGetAndSet.setValue(PropertyResolver.java:1107) >>>>>> at >>>>>> org.apache.wicket.util.lang.PropertyResolver$ObjectAndGetSetter.setValue(PropertyResolver.java:588) >>>>>> at >>>>>> org.apache.wicket.util.lang.PropertyResolver.setValue(PropertyResolver.java:136) >>>>>> at >>>>>> org.apache.wicket.model.AbstractPropertyModel.setObject(AbstractPropertyModel.java:169) >>>>>> at >>>>>> org.apache.wicket.Component.setDefaultModelObject(Component.java:3052) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1168) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:225) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:514) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:493) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrder(FormComponent.java:465) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:2051) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:2019) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form.process(Form.java:984) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form.process(Form.java:911) >>>>>> at >>>>>> org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:876) >>>>>> at >>>>>> org.apache.wicket.ajax.form.AjaxFormSubmitBehavior.onEvent(AjaxFormSubmitBehavior.java:135) >>>>>> at >>>>>> org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:177) >>>>>> at >>>>>> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:299) >>>>>> >>>>>> </code> >>>>>> >>>>>> i think it has something to do with the conversion. but how do i >>>>>> convert it again?? >>>>>> How can i solve this problem??? >>>>>> >>>>>> --------------------------------------------------------------------- >>>>>> 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 >>>>> >>>>> >>>> >>>> --------------------------------------------------------------------- >>>> 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 >>> >>> >> >> --------------------------------------------------------------------- >> 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 > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
