Working on this now, and there are plenty of cases where a binding is required but the value may be null; for example, TextField (the value may initially be null, but must be bound).
On Tue, Jun 24, 2008 at 1:17 PM, Matt Kerr <[EMAIL PROTECTED]> wrote: > the 'value' proposition you mention is forward compatibility, no? > > i guess if fwd compatibility is not a concern - sure, do whatever. > > > On Tue, Jun 24, 2008 at 3:23 PM, Howard Lewis Ship <[EMAIL PROTECTED]> wrote: >> True, my concern is that we'll find that every use of required=true >> also has acceptNull=false, in which case we add complexity without >> providing value. >> >> On Tue, Jun 24, 2008 at 12:12 PM, Filip S. Adamsen <[EMAIL PROTECTED]> wrote: >>> +1 on something like that. >>> >>> -Filip >>> >>> On 2008-06-24 19:48, Thiago H. de Paula Figueiredo wrote: >>>> >>>> Em Tue, 24 Jun 2008 14:32:15 -0300, Matt Kerr <[EMAIL PROTECTED]> >>>> escreveu: >>>> >>>>> why not specify whether params allow null - rather than break things ? >>>>> default to the old behavior. >>>>> >>>>> it's not uncommon to have a null param - dunno why it would be >>>>> different in a component. >>>> >>>> Agreed 100%. Required = some value must be given to the parameter. Not >>>> null = some not null value must be given. Required != not null. >>>> >>>> We could add some like this to @Parameter and support it in tapestry-core >>>> easily: >>>> >>>> boolean acceptNull() default true; >>>> >>>> Then anyone writing components would get the automatic null value checking >>>> if wanted or needed without disrupting old code or changing how parameters >>>> work. >>>> >>>> Thiago >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>>> For additional commands, e-mail: [EMAIL PROTECTED] >>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >> >> >> >> -- >> Howard M. Lewis Ship >> >> Creator Apache Tapestry and Apache HiveMind >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Howard M. Lewis Ship Creator Apache Tapestry and Apache HiveMind --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
