Whatever... the only thing you should do asap is to modify the
javadoc... according to the current state. For now it's confusing...
On Thu, Mar 20, 2008 at 1:18 AM, Vitaly Tsaplin
<[EMAIL PROTECTED]> wrote:
> What if a requirement cannot be met if an input contains only
> spaces. I would override the checkRequired to do so. And it could be
> done for a text field. Why not?
>
> Anyway if I can override checkRequired I may not be calling
> isRequired and it's perfectly legal. Because the method is under my
> control. But...setRequired is still there and anyone can call it
> excpecting it's normal behavior. Setting required property to false
> (setRequired) should prevent any requirement check whatever it would
> be.
>
>
>
> On Thu, Mar 20, 2008 at 12:57 AM, Johan Compagner <[EMAIL PROTECTED]> wrote:
> > hmm
> >
> > the more i think about it
> > the more i stand with my initial reply.
> >
> > checkRequired was always meant to be standalone
> > it always checked from day 1 if required must be checked (thats why it is
> > called *check*Required) and then it actually did the test.
> > it was first protected final and then a long time public final
> >
> > validateRequired does something else
> > it calls checkRequired and with that return value it sets an adds an error
> > message
> > But that is not always what you want (the reason why checkRequired is
> > public)
> > so validateRequired is not a substitute and i guess checkRequired has to
> be
> > public because we made it public for a reason. (see the thread)
> >
> > The only thing i come up with now is, but that will break all
> > formcomponentpanels that did have implemented checkRequired(),
> > that we make it final again (keep it public) and create a protected
> > overridable method that can be used in FCP
> > something like
> >
> > protected boolean doRequiredInputCheck()
> > {
> > }
> >
> > or what ever better name we can come up with.
> >
> > that way we suddenly dont have a completely different definition of a
> > method
> >
> > johan
> >
> >
> >
> >
> >
> > On Thu, Mar 20, 2008 at 12:03 AM, Johan Compagner <[EMAIL PROTECTED]>
> >
> >
> > wrote:
> >
> > > no some protected methods can be called just fine from the outside world
> > > like validateRequired() (that could be public yes)
> > >
> > > But checkRequired() doesn't make much to call from the outside world
> > > because we have validateRequired()
> > > except that validateRequired() does set an error then and doesn't return
> > > the actual boolean
> > > So i guess that that is the reason why checkRequired() is public.
> > >
> > > it was first public final that as removed for FormComponentPanel
> > > and when it was public final it made perfect sense to also check for
> > > required there..
> > > So the definition is really changed when we removed final before that it
> > > was really what i thought initially because it is a public callable
> method
> > > (back then the javadoc also didnt specify that it was typically required
> > > that isRequired must be callled)
> > >
> > > so suddenly final is gone and the definition changed...
> > > Nobody would call isRequired() before it would call checkRequired()
> > >
> > > and it was it first few months (2006) it was protected final,
> > > then you made it public final because of this thread "[Wicket-user]
> > > Components Label for FeedbackMessage"
> > >
> > > So if anybody programmed against that method back then because of that
> > > thread. Those are not calling isRequired() first before calling
> > > checkRequired()
> > > Even if i type this i still find it odd that i have to do that first,
> > > looking at the names...., if i read formcomponent.checkRequired() then i
> > > will always asume that it
> > > will not return the wrong value if isRequired == false.. maybe it is my
> > > bad englisch but that will not change for me)
> > >
> > > johan
> > >
> > >
> > > On Wed, Mar 19, 2008 at 11:40 PM, Igor Vaynberg <[EMAIL PROTECTED]>
> > > wrote:
> > >
> > > > do we need to add that to all our protected methods? if someone needs
> > > > it, and they probably do since we made it public, we should prob make
> > > > validateRequired() public - it is final iirc
> > > >
> > > > -igor
> > > >
> > > >
> > > > On Wed, Mar 19, 2008 at 3:36 PM, Johan Compagner <[EMAIL PROTECTED]>
> > > > wrote:
> > > > > yes and add a big javadoc warning that this method is not meant to
> be
> > > > called
> > > > > only meant to be overriden..
> > > > >
> > > > > johan
> > > > >
> > > > >
> > > > > On Wed, Mar 19, 2008 at 11:35 PM, Igor Vaynberg <
> > > > [EMAIL PROTECTED]>
> > > > >
> > > > >
> > > > > wrote:
> > > > >
> > > > > > ok, so given that we make checkrequired protected (pushes it into
> > > > 1.5
> > > > > > timeframe) are you ok with moving isrequired() check out into
> > > > > > validaterequired() ?
> > > > > >
> > > > > > -igor
> > > > > >
> > > > > >
> > > > > > On Wed, Mar 19, 2008 at 3:22 PM, Johan Compagner <
> > > > [EMAIL PROTECTED]>
> > > > > > wrote:
> > > > > > > ì guess checkRequired( ) is only overridable because of
> > > > > > FormComponentPanel
> > > > > > > so that again that can be overriden to have there own
> > > > requirement
> > > > > > check?
> > > > > > >
> > > > > > > so yes it should really be at least protected
> > > > > > >
> > > > > > > On Wed, Mar 19, 2008 at 11:10 PM, Igor Vaynberg <
> > > > > > [EMAIL PROTECTED]>
> > > > > > >
> > > > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > > > thats kinda cludge imho. checkrequired() defines the process
> > > > of
> > > > > > > > checking, whether that needs to be invoked or not is up to
> the
> > > > > > > > formcomponent and its required attribute.
> > > > > > > >
> > > > > > > > we can make validaterequired() public, although i dont see
> > > > where you
> > > > > > > > would call only that instead of the entire validate()
> > > > pipeline.
> > > > > > > >
> > > > > > > > also right now checkrequired() is only ever called from
> > > > > > > > validaterequired() and i think checkrequired() should not be
> > > > public
> > > > > > > > anyways
> > > > > > > >
> > > > > > > > -igor
> > > > > > > >
> > > > > > > >
> > > > > > > > On Wed, Mar 19, 2008 at 3:06 PM, Johan Compagner <
> > > > > > [EMAIL PROTECTED]>
> > > > > > > > wrote:
> > > > > > > > > if you also want to check it in validateRequired() thats
> > > > fine by me
> > > > > > by
> > > > > > > > the
> > > > > > > > > way
> > > > > > > > > But i dont want it to be removed in checkRequired()
> > > > > > > > >
> > > > > > > > > And the javadoc must be updated anyway
> > > > > > > > >
> > > > > > > > > johan
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Wed, Mar 19, 2008 at 11:05 PM, Johan Compagner <
> > > > > > [EMAIL PROTECTED]
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > wrote:
> > > > > > > > >
> > > > > > > > > > nope
> > > > > > > > > > i am against that
> > > > > > > > > > validateRequired is protected
> > > > > > > > > > checkRequired is public
> > > > > > > > > >
> > > > > > > > > > And if i want to test for requirement from outside i
> dont
> > > > want
> > > > > > to
> > > > > > > > call
> > > > > > > > > > first for every thing isRequired first
> > > > > > > > > > i find it very odd that a method can return very funny
> > > > stuff
> > > > > > when you
> > > > > > > > dont
> > > > > > > > > > call one method before it first
> > > > > > > > > > it should be self contained
> > > > > > > > > >
> > > > > > > > > > And this way it works for quite some time now, so i
> dont
> > > > really
> > > > > > > > change
> > > > > > > > > > anything.
> > > > > > > > > > it is just stupid to have a method which behavior is
> not
> > > > really
> > > > > > > > defined
> > > > > > > > > > based on that you can call it or not.
> > > > > > > > > > it doesn't make any sense to me to not call
> isRequired()
> > > > in
> > > > > > > > > > checkRequired()
> > > > > > > > > >
> > > > > > > > > > johan
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On Wed, Mar 19, 2008 at 10:57 PM, Igor Vaynberg <
> > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > why dont we build that check into validateRequired()
> > > > > > > > > > >
> > > > > > > > > > > so validateRequired() { if (isrequired() { ...current
> > > > code } }
> > > > > > > > > > >
> > > > > > > > > > > that way you never have to call checkrequired()
> > > > directly, just
> > > > > > call
> > > > > > > > > > > validaterequired()
> > > > > > > > > > >
> > > > > > > > > > > -igor
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > On Wed, Mar 19, 2008 at 2:54 PM, Johan Compagner <
> > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > wrote:
> > > > > > > > > > > > i dont agree
> > > > > > > > > > > > then you have to do everywhere
> > > > > > > > > > > >
> > > > > > > > > > > > if (isRequired()) checkRequired()
> > > > > > > > > > > >
> > > > > > > > > > > > thats horrible, checkRequired() can test that just
> > > > as fine
> > > > > > > > > > > > i will update the javadoc
> > > > > > > > > > > >
> > > > > > > > > > > > johan
> > > > > > > > > > > >
> > > > > > > > > > > > On Wed, Mar 19, 2008 at 10:51 PM, Vitaly Tsaplin <
> > > > > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > > But the javadoc says:
> > > > > > > > > > > > >
> > > > > > > > > > > > > public boolean checkRequired()
> > > > > > > > > > > > > "Checks if the form component's 'required'
> > > > requirement is
> > > > > > met.
> > > > > > > > This
> > > > > > > > > > > > > method should typically only be called when
> > > > > > > > > > > FormComponent.isRequired()
> > > > > > > > > > > > > returns true."
> > > > > > > > > > > > >
> > > > > > > > > > > > > And I agree with javadoc :)
> > > > > > > > > > > > > checkRequired () should be called only to know
> "if
> > > > the
> > > > > > form
> > > > > > > > > > > > > component's 'required' requirement is met". In
> > > > case
> > > > > > > > isRequired()
> > > > > > > > > > > > > returns false this call does not make any
> sense...
> > > > > > > > > > > > >
> > > > > > > > > > > > > Basically if isRequired () returns true you
> know
> > > > that a
> > > > > > > > component
> > > > > > > > > > > > > is required but what you don't know is whether
> the
> > > > > > requirement
> > > > > > > > > > > > > condition is met or not and so to check it out
> you
> > > > call
> > > > > > > > > > > checkRequired
> > > > > > > > > > > > > (). checkRequired () shouldn't call isRequired
> ()
> > > > itself.
> > > > > > > > > > > > >
> > > > > > > > > > > > > On Wed, Mar 19, 2008 at 10:39 PM, Johan
> Compagner
> > > > <
> > > > > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > it checks if the required needs to be checked
> > > > and if
> > > > > > that is
> > > > > > > > the
> > > > > > > > > > > case it
> > > > > > > > > > > > > > checks if the input is set
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > On Wed, Mar 19, 2008 at 10:32 PM, Vitaly
> > > > Tsaplin <
> > > > > > > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > > checkRequired () itself shouldn't be
> called
> > > > at all
> > > > > > > > unless
> > > > > > > > > > > > > > > setRequired is true...
> > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > On Wed, Mar 19, 2008 at 9:43 PM, Johan
> > > > Compagner <
> > > > > > > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > > > and did you look at checkRequired?
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > public boolean checkRequired()
> > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > if (isRequired())
> > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > On Wed, Mar 19, 2008 at 2:24 PM, Vitaly
> > > > Tsaplin <
> > > > > > > > > > > > > > > [EMAIL PROTECTED]>
> > > > > > > > > > > > > > > > wrote:
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > Hi guys,
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > According to the wicket javadoc the
> > > > method
> > > > > > > > > > > checkRequired () of
> > > > > > > > > > > > > the
> > > > > > > > > > > > > > > > > FormComponent class "...should
> typically
> > > > only
> > > > > > be
> > > > > > > > called
> > > > > > > > > > > when
> > > > > > > > > > > > > > > > > isRequired() returns true."
> > > > > > > > > > > > > > > > > But it seems to be different...
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > public final void validate()
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > > validateRequired();
> > > > > > > > > > > <<<-------------------- here
> > > > > > > > > > > > > > > > > if (isValid())
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > > convertInput();
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > if (isValid()
> &&
> > > > > > isRequired()
> > > > > > > > &&
> > > > > > > > > > > > > > > > > getConvertedInput() == null &&
> > > > > > > > > > > > > > > > > isInputNullable())
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > >
> > > > > > > > reportRequiredError();
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > if (isValid())
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > >
> > > > > > validateValidators();
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > protected final void
> > > > validateRequired()
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > > if (!checkRequired())
> > > > > > > > > > > <<<---------------------
> > > > > > > > > > > > > and
> > > > > > > > > > > > > > > here
> > > > > > > > > > > > > > > > > {
> > > > > > > > > > > > > > > > >
> > > > reportRequiredError();
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > > }
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > As you can see the checkRequired ()
> is
> > > > called
> > > > > > > > > > > unconditionally.
> > > > > > > > > > > > > > > > >
> > > > > > > > > > > > > > > > > Vitaly
> > > > > > > > > > > > > > > > >
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