dropdownchoice

问题 so I have my DropDownChoice in Wicket: final DropDownChoice drop_down_status = new DropDownChoice<String>("status", new PropertyModel<String>(this,"selected_status"), STATUS_LIST); form.add(drop_down_status); How to get the selected value? I have to get it after another button is pressed and prepare sql statement from it. drop_down_status.getRawInput() and drop_down_status.getInput() return null ( at least in my case). cheers 回答1: Since you are constructing your DropDownChoice using a

问题 I have been trying to debug why my DropDownChoice in a simple form with just the DropDown and a Submit Button hasn't been working correctly for hours now. It has a very weird behaviour. Where the first value selected in the drop down choice is sent successfully to the server after which any other choice select is not updated by the model. ie if I have a List persons, and I select the 2nd person, it submits this successfully. However, on select of another person and trying to submit it again

问题 I have a DropDownChoice like below: final DropDownChoice<Term> terms = new DropDownChoice("terms", new Model<Term>(), new Model(new ArrayList(termDao.findAll())), new IChoiceRenderer<Term>() { public Object getDisplayValue(Term object) { return object.getIdentifier(); } public String getIdValue(Term object, int index) { return object.getId().toString(); } }); I want to have "Choose All" instead of "Choose one". How can I do that? 回答1: I tried Goli's suggestion under wicket 6.4 and it doesn't

问题 so I have an entity called "User" @Entity(name = "user") @Audited public class User extends DataObjectAudit { private static final long serialVersionUID = 1L; private Set<UserProjectCenterRole> roles = new HashSet<UserProjectCenterRole>(); private RoleTypeEnum role = null; @OneToMany(mappedBy = "user", fetch = FetchType.LAZY, orphanRemoval = true) @Cascade(value = { CascadeType.MERGE, CascadeType.PERSIST, CascadeType.DELETE, CascadeType.SAVE_UPDATE }) @Filters({ @Filter(name = "deletedFilter"