My bad. I missed that part when I copied and pasted.
comboChoiceDropDown.add(new
AjaxFormComponentUpdatingBehavior("onchange")
{
protected void onUpdate(AjaxRequestTarget target)
{
target.addComponent(weeksDropDown);
}
});
tdelesio wrote:
>
> Hi,
>
> I have two dropdowns. Once you select a value from the first dropdown the
> second dropdown is populated using ajax. I got this to work based on the
> example on wicketstuff. But when I submit the form the model is null-ed
> out. I tried to remove the ajax call and then re-submit the form and the
> model is fine so it looks like the ajax call is actually nulling out my
> model. Here is the code.
>
> AdminSelection adminSelection = new AdminSelection();
> adminSelection.setWeek(weekStartInfo.getCurrentWeek());
> adminSelection.setLeagueType("ncaa");
>
> Form form = new Form("selectWeekForm", new
> CompoundPropertyModel(adminSelection))
> {
> @Override
> protected void onSubmit() {
> //super.onSubmit();get
> AdminSelection adminSelection =
> (AdminSelection)getModelObject();
> System.out.println(adminSelection);
>
> getAdminSelection().setWeek(adminSelection.getWeek());
>
> getAdminSelection().setLeagueType(adminSelection.getLeagueType());
> setResponsePage(redirection);
> }
> };
> add(form);
>
> IModel weeks = new AbstractReadOnlyModel()
> {
> public Object getObject()
> {
> List<WeekStartInfo> weeks;
>
> try
> {
> //System.out.println(selectedType.getLeagueType());
>
> weeks =
> weekStartManager.getAllWeeksFromDB(selectedType.getLeagueType());
> }
> catch (SystemException systemException)
> {
>
> systemException.printStackTrace();
> weeks = Collections.EMPTY_LIST;
> }
> if (weeks == null)
> {
> weeks = Collections.EMPTY_LIST;
> }
> return weeks;
> }
> };
>
> List<LeagueInfo> leagueTypes = leagueManager.getLeagueTypes();
> final DropDownChoice comboChoiceDropDown = new
> DropDownChoice("leagueType", new PropertyModel(this, "selectedType"),
> leagueTypes,
> //new
> ChoiceRenderer("leagueTypeDisplay", "leagueType"));
> new LeagueTypeChoiceRenderer());
> comboChoiceDropDown.setRequired(true);
> comboChoiceDropDown.setLabel(new Model("League Type"));
> form.add(comboChoiceDropDown);
>
> final DropDownChoice weeksDropDown = new DropDownChoice(
> "week", new CompoundPropertyModel(new
> WeekStartInfo()), weeks, new
> ChoiceRenderer(
> "selectedWeek",
> "selectedWeek"));
> //weeksDropDown.setRequired(true);
> weeksDropDown.setOutputMarkupId(true);
> form.add(weeksDropDown);
>
> public class AdminSelection extends BaseInfo {
>
> private String leagueType;
> private int week=-1;
>
>
> /**
> * Constructs a <code>String</code> with all attributes
> * in name = value format.
> *
> * @return a <code>String</code> representation
> * of this object.
> */
> public String toString()
> {
> final String TAB = " ";
>
> String retValue = "";
>
> retValue = "AdminSelection ( "
> + "leagueType = " + this.leagueType + TAB
> + "week = " + this.week + TAB
> + " )";
>
> return retValue;
> }
>
>
> public String getLeagueType() {
> return leagueType;
> }
>
>
> public void setLeagueType(String leagueType) {
> this.leagueType = leagueType;
> }
>
>
> public int getWeek() {
> return week;
> }
>
>
> public void setWeek(int week) {
> this.week = week;
> }
>
> public boolean isAdminLeagueSet()
> {
> if (leagueType==null||leagueType.equalsIgnoreCase(""))
> {
> return false;
> }
> else
> {
> return true;
> }
> }
>
> public void invailateAdminLeagueType()
> {
> leagueType=null;
> }
>
> The ObjectModel has null values in the onSubmit(). Any suggestions or
> something that I am doing wrong?
>
--
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