In your validator, invoke Form.visitFormComponents(FormComponent.IVisitor visitor)
The IVisitor will check getInput() vs the other formComponent.getModelObject() Marcel Bonnet wrote: > > Thanks for helping. > In fact I was trying to validate the ListView's model. I thought that each > time we press the Submit button the new choice selected in each > DropDownChoice in the ListView's rows would be submited and filled inside > the Model of the ListView, meaning the model would now have the new values > selected by the user. So I was trying to validate it's Model, because I > want > to find a way to tell the user if he selected the same choice twice or > more. > Each row of the ListView has a DropDownChoice but the form must not accept > repeated choices. > Now I'm not sure if the model would be updated or not... > I had succes writing such repeater with a validator like this using > RefreshingView instead of ListView. As I experienced, the model of the > RefreshingView was updated when the for was submited, but only with > TextField or CheckBox. When I changed the TextField by a DropwDownChoice, > it > just not worked, so I started working around with a ListView, but I'm > having > problems too. > Any ideas, please for validating repeated choices inside a repeater? > > > 2009/8/11 bferr <[email protected]> > >> >> The model of your listView has to be LoadableDetachable so that the >> listView >> retrieves the new list values each time. Also the setReuseItems() might >> have to be false. I don't think you're doing form validation within the >> ListView correct? >> >> >> >> >> >> Marcel Bonnet wrote: >> > >> > Hi everybody, I'm new in the mail-list. I've been studying the >> framework, >> > I >> > even read the book Wicket in Action, but I'm having trouble using some >> > kind >> > of repeater inside a Form, updating and validating the model. >> > What I'm trying to do is a ListView inside a Form: when the user change >> > the >> > value of the dropdownchoice, it needs to fire a validator to verify if >> the >> > new choice is already in the list. If it is, the validator must call >> the >> > "error(validatable)" method from AbstractValidator because I don't want >> > repeated choices in the list. >> > First question, anybody knows a simple way to do this? >> > Second, if I'm on the right way with the code above, how can I get the >> > listview's model (with the updated values changed by the user, instead >> of >> > the default items rendered on the view on the first time) so I can pass >> > this >> > updated model to my Validator (it needs to know the values in the list >> to >> > know wich is repeated). >> > >> > I just supressed the part of the code that fires my feedback message ( >> a >> > kind of Label because I don't want a message per component, just a >> global >> > message) >> > Thanks for any help. Marcel. >> > >> > private class InputForm extends Form >> > { >> > // holds NameWrapper elements >> > private List<NameWrapper> data; >> > >> > public InputForm(String name, IFeedback feedback) >> > { >> > super(name); >> > >> > final SubmitLink update = new SubmitLink("update"); >> > add(update); >> > >> > // add some dummy data >> > data = new ArrayList<NameWrapper>(); >> > data.add(new NameWrapper("one", 1, "default = 1", true)); >> > data.add(new NameWrapper("two", 2, "default = 2", false)); >> > data.add(new NameWrapper("three", 3, "default = 3", >> false)); >> > data.add(new NameWrapper("four", 4, "default = 4", true)); >> > final Model dataModel = new Model(); >> > dataModel.setObject(data); >> > ListView listView = new ListView("list", dataModel) >> > { >> > >> > protected void populateItem(ListItem item) >> > { >> > >> > NameWrapper wrapper = >> > (NameWrapper)item.getModelObject(); >> > >> > item.add(new Label("name", wrapper.getName())); >> > item.add(new CheckBox("check", new >> > PropertyModel(wrapper, "selected"))); >> > >> > DropDownChoice combo = new DropDownChoice("combo" >> > , new Model(wrapper) >> > , new ArrayList(Arrays.asList(new >> > NameWrapper(1000,"mil"), new NameWrapper(2000,"dois mil"), new >> > NameWrapper(3000,"três mil"))) >> > , new >> ChoiceRenderer("comboText","comboId")); >> > >> > combo.add(new >> > NameWrapperValidator((List<NameWrapper>)dataModel.getObject())); >> > item.add(combo); >> > } >> > }; >> > *listView.setReuseItems(true); *//i read this >> line >> > is very important >> > add(listView); >> > >> > >> >> -- >> View this message in context: >> http://www.nabble.com/ListView-inside-Form%3A-retrieving-the-listview%27s-model-tp24893789p24922802.html >> Sent from the Wicket - User mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> > > -- View this message in context: http://www.nabble.com/ListView-inside-Form%3A-retrieving-the-listview%27s-model-tp24893789p24943860.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
