But the AjaxFormComponentUpdatingBehavior should set the model object to what is now in the browser (if no validation error occurs)
So you should be able to base your decision on whats in side the model. johan On Dec 12, 2007 12:42 PM, wicket user <[EMAIL PROTECTED]> wrote: > Ok that's cool but on an AjaxFormComponentUpdatingBehavior the model is > null/hasn't been set so you can't use it? What happens if you want to base > a > decision on the value that the user has just changed to? > > > > On 11/12/2007, Johan Compagner <[EMAIL PROTECTED]> wrote: > > > > you shouldn't call getConvertedInput() or getInput yourself except if > you > > where making a special formcomponent itself. > > The model of an component lives as long as the component does. > > > > But the dropdownchoice (or all select tag components) have another > special > > thing call IChoiceRenderer > > That first tries to convert the string to an option object. > > > > johan > > > > > > On Dec 11, 2007 1:47 PM, wicket user <[EMAIL PROTECTED]> wrote: > > > > > Hi, > > > > > > This is more a question of understanding models and input of a > > particular > > > component, lets say DropDownChoice (DDC) for example. > > > > > > You give it a model initially on creation, this has nothing to do > with, > > in > > > the case of a DDC the selected values as that is supplied by the > Choices > > > paramater in the constuctor. > > > > > > So we now have a DDC configured. > > > > > > A user comes along and selects a value, if we have and > > > AjaxFormComponentUpdatingBehavior associated we see that the > > > getModelObject > > > returns null as well as getConvertedInput but getInput actually has > > > something but it's in string form. Is this because we are intercepting > > the > > > event before the input is converted to the model? > > > > > > Basically I'm never sure when to use which accessor and the trial and > > > error > > > method that I have been using so far is starting to scare me. I guess > > the > > > lifecycle of model is what I really need to understand and googling > > hasn't > > > thrown up much. I have read the wiki article on models but it doesn't > go > > > into details such as this... > > > > > > Anyway, it will be a nice thing to not have nagging me over xmas! > > > > > > thanks > > > simon > > > > > >
