Code? 2010/3/18 David Chang <david_q_zh...@yahoo.com>: > Martin, thanks for chimining in. I already did that. The problem is when I > select "null" (choose one), AjaxFormComponentUpdatingBehavior#onUpdate is not > called. Instead, Wicket generates a message and tries to seed it > FeedbackPanel. I want to be able to handle that "null" and set another > dropdown list blank. > > Regards. > > --- On Thu, 3/18/10, Martin Makundi <martin.maku...@koodaripalvelut.com> > wrote: > >> From: Martin Makundi <martin.maku...@koodaripalvelut.com> >> Subject: Re: Select the "Choose one" of a required DropDownChoice >> To: users@wicket.apache.org >> Date: Thursday, March 18, 2010, 10:58 AM >> setNullValid >> >> 2010/3/18 David Chang <david_q_zh...@yahoo.com>: >> > In my case, the field is required. I make it required >> by setRequired(true), but I want the blank/choose one is >> still there. >> > >> > Doable? >> > >> > >> > --- On Thu, 3/18/10, Matthias Keller <matthias.kel...@ergon.ch> >> wrote: >> > >> >> From: Matthias Keller <matthias.kel...@ergon.ch> >> >> Subject: Re: Select the "Choose one" of a required >> DropDownChoice >> >> To: users@wicket.apache.org >> >> Date: Thursday, March 18, 2010, 9:42 AM >> >> Hi >> >> >> >> Yes, exactly, but why do you have it set to >> required at all >> >> in first >> >> place if you want to allow the empty selection >> too? >> >> I dont think a DropDownChoice is required by >> default but if >> >> it is, try >> >> setRequired(false) ... >> >> >> >> Matt >> >> >> >> On 2010-03-18 14:36, David Chang wrote: >> >> > Matt, I already did that. >> >> > >> >> > DropDownChoice.setNullValid() makes "Choose >> one" >> >> always stay there. >> >> > I notice that DropDownChoice.setRequired() is >> the >> >> reason to generate the message and not get >> onUpdate called. >> >> > >> >> > Thanks. >> >> > >> >> > >> >> > --- On Thu, 3/18/10, Matthias Keller<matthias.kel...@ergon.ch> >> >> wrote: >> >> > >> >> > >> >> >> From: Matthias Keller<matthias.kel...@ergon.ch> >> >> >> Subject: Re: Select the "Choose one" of a >> required >> >> DropDownChoice >> >> >> To: users@wicket.apache.org >> >> >> Date: Thursday, March 18, 2010, 9:30 AM >> >> >> Hi >> >> >> >> >> >> Have a look at >> DropDownChoice.setNullValid() and >> >> >> .setRequired() >> >> >> >> >> >> Matt >> >> >> >> >> >> On 2010-03-18 14:26, David Chang wrote: >> >> >> >> >> >>> Hi, I am new in Wicket and am playing >> with >> >> different >> >> >>> >> >> >> components. >> >> >> >> >> >>> I have a two dropdown lists. One is a >> list of >> >> >>> >> >> >> countries, required field, controlling >> another >> >> list of >> >> >> states/provinces via >> >> AjaxFormComponentUpdatingBehavior. >> >> >> >> >> >>> The country list always has a blank >> >> (equivalent of >> >> >>> >> >> >> "Choose one") as the first option in the >> list. >> >> When I select >> >> >> different countries, the state/province >> list >> >> changes >> >> >> accordingly. However, when I change to >> the blank >> >> in the >> >> >> country list, the state list stops >> updating. I >> >> looked into >> >> >> it and found out that in this situation >> (required >> >> droopdown >> >> >> list) selecting blank makes Wicket issue >> a >> >> feedback message >> >> >> instead of calling >> >> >> >> AjaxFormComponentUpdatingBehavior#onUpdate, which >> >> is what I >> >> >> want. >> >> >> >> >> >> >> >> >> >> >> >> >> > >> > >> > >> > >> > >> --------------------------------------------------------------------- >> > 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 > >
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