On Tue, Nov 22, 2011 at 3:17 PM, Richard W. Adams <rwada...@up.com> wrote: > Unless I misunderstand, this would erase the entire form, rather than > reset the form fields to their original values. ???
Do whatever is the best for your logic. If this is a "create form" then use empty Entity. Whatever 'empty' means in your domain. If this is an "edit form" then re-fetch the Entity from the DB by its id and set it as model object. > > > > > From: Martin Grigorov <mgrigo...@apache.org> > To: users@wicket.apache.org > Date: 11/22/2011 01:15 AM > Subject: Re: Can't Reset Form After DropDownChoice OnChange Handled > > > > On Mon, Nov 21, 2011 at 11:30 PM, Richard W. Adams <rwada...@up.com> > wrote: >> I've been doing a lot of Googling on this topic & found this page, which >> seems to describe exactly the problem I'm having: >> >> http://www.jaxtut.com/Navigation.jsp >> >> It suggests calling resetFromSession(), though it doesn't give an >> implementation & this method doesn't seem to be part of Wicket. >> >> Has anyone found a way to reset the form after the model has changed & > the >> form re-rendered thru Ajax? If there isn't a way to do this in Wicket, > is >> there a "Wicket wish list" to add it to? > > All you need is an AjaxButton with .setDefaultFormProcessing(false) > and in its onClick(AjaxRequestTarget target) to do: > getForm().setModelObject(new MyEntity()); > target.add(getForm()); > > i.e. set a new empty model object for the form and all its form > components. > >> >> >> >> From: Igor Vaynberg <igor.vaynb...@gmail.com> >> To: users@wicket.apache.org >> Date: 11/21/2011 02:18 PM >> Subject: Re: Can't Reset Form After DropDownChoice OnChange > Handled >> >> >> >> I don't think the browser reset button supports ajax.. >> >> -igor >> On Nov 21, 2011 5:08 AM, "Richard W. Adams" <rwada...@up.com> wrote: >> >>> The form just has a standard HTML reset button: >>> >>> <input wicket:id="reset-button" type="reset" value="Reset" /> >>> >>> There's no special code associated with the button. Should there be? I >>> looked at "Wicket in Action," but it doesn't seem to address this > issue. >>> >>> "RAM /abr./: Rarely Adequate Memory." >>> >>> >>> >>> From: Igor Vaynberg <igor.vaynb...@gmail.com> >>> To: users@wicket.apache.org >>> Date: 11/17/2011 03:42 PM >>> Subject: Re: Can't Reset Form After DropDownChoice OnChange >> Handled >>> >>> >>> >>> what does your reset code look like? >>> >>> -igor >>> >>> On Thu, Nov 17, 2011 at 9:00 AM, aksarben <rwada...@up.com> wrote: >>> > I have a drop down choice component, and when the selection changes, > I >>> udpate >>> > various form fields by Ajax, in the form as follows: >>> > >>> > *public HistoryDropDown(final String id, final Map<K, ?> map, final >>> > Component dateField, final >>> > TrackDetailModel model, final TrackAttribute attribute) { >>> > >>> > super(id, map); >>> > final String originalValue = > model.getOriginalValue(attribute); >>> > add(new AjaxFormComponentUpdatingBehavior("onchange") { >>> > private static final long serialVersionUID = -1; >>> > @Override >>> > protected void onUpdate(final AjaxRequestTarget > target) >> { >>> // When >>> > selection changes >>> > >>> > final String newValue = >>> model.getAttributeValue(attribute); // What the >>> > new choice? >>> > if (newValue.equals(originalValue)) { >>> // If back to original value >>> > dateField.setEnabled(false); >>> // Disable date field >>> > >>> model.restoreOriginalDateAndUser(attribute); // >>> Restore original data >>> > } else { >>> // If >>> changing to new value >>> > dateField.setEnabled(true); >>> // Enable date field >>> > > model.setDefaultDateAndUser(attribute); >>> // Effective date = today >>> > } >>> // >>> User = current user >>> > target.addComponent(dateField.getParent()); >>> // Re-render fields >>> > } >>> > }); >>> > } >>> > * >>> > The updates work fine (the screen re-renders properly), but if I then >>> click >>> > the form's Reset button, nothing happens. I saw some other posts that >>> said I >>> > have to do a form.modelchanged(), but that didn't any effect. >>> > >>> > -- >>> > View this message in context: >>> >>> >> > http://apache-wicket.1842946.n4.nabble.com/Can-t-Reset-Form-After-DropDownChoice-OnChange-Handled-tp4080685p4080685.html > >> >>> >>> > Sent from the Users forum mailing list archive at Nabble.com. >>> > >>> > --------------------------------------------------------------------- >>> > 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 >>> >>> >>> >>> >>> ** >>> >>> This email and any attachments may contain information that is >>> confidential and/or privileged for the sole use of the intended >> recipient. >>> Any use, review, disclosure, copying, distribution or reliance by >> others, >>> and any forwarding of this email or its contents, without the express >>> permission of the sender is strictly prohibited by law. If you are not >> the >>> intended recipient, please contact the sender immediately, delete the >>> e-mail and destroy all copies. >>> ** >>> >> >> >> >> ** >> >> This email and any attachments may contain information that is > confidential and/or privileged for the sole use of the intended recipient. > Any use, review, disclosure, copying, distribution or reliance by others, > and any forwarding of this email or its contents, without the express > permission of the sender is strictly prohibited by law. If you are not > the intended recipient, please contact the sender immediately, delete the > e-mail and destroy all copies. >> ** >> > > > > -- > Martin Grigorov > jWeekend > Training, Consulting, Development > http://jWeekend.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > > > > ** > > This email and any attachments may contain information that is confidential > and/or privileged for the sole use of the intended recipient. Any use, > review, disclosure, copying, distribution or reliance by others, and any > forwarding of this email or its contents, without the express permission of > the sender is strictly prohibited by law. If you are not the intended > recipient, please contact the sender immediately, delete the e-mail and > destroy all copies. > ** > -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
