Re: Can you serialize a Formbuilder object?

On 6/27/05, Andrew Wooldridge <andrew.r.wooldridge@vanderbilt.edu> wrote: > On 6/27/05 4:06 PM, "Justin Patrin" <papercrane@gmail.com> wrote: > > > On 6/27/05, Andrew Wooldridge <andrew.r.wooldridge@vanderbilt.edu> wrote: > >> (I'll mirror this exchange on the mailing list afterward) > >> > >> I already had those require_once includes you suggested, but without the > >> 'serialize' line, I continue to get that __PHP_Incomplete_Class rather than > >> FormBuilder type. > > > > Well when I've seen the incomplete class stuff it was because the > > class wasn't required. Are you absolutely sure that the files are > > required before you're using the objects? > > > I am 99.5% sure, of course I'm testing this right now, as this was your only > prior experience with this problem. > >> > > > >> Can you tell me more about what you meant by 're-generate the FormBuilder'? > > > > I actually meant regenerate the form. The normal way to use > > FormBuilder is to regenerate the form on every request, even when a > > form is submitted. > > > > Would you please tell me how to repopulate the form values previously > obtained after the new form is regenerated? You mean put the form values back in the form? Since HTML_QF_Controller is a hack (yes, it's a horrible hack) it's not too easy to do this. However, I believe that the HTML_QF_Controller package supports this intrinsically...you can always pass the posted array to setDefaults. > > >> > >> > >> On 6/27/05 3:43 PM, "Justin Patrin" <papercrane@gmail.com> wrote: > >> > >>> On 6/27/05, Andrew Wooldridge <andrew.r.wooldridge@vanderbilt.edu> wrote: > >>>> I am working on a multi-page wizard-like form using quickform controller, > >>>> with forms build by formbuilder. The benefits to this are easy to see, but > >>>> implementation is tricky. Currently stuck when it comes to processing the > >>>> forms with the line: > >>>> > >>>> $page->process(array(&$fb, 'processForm'), false); > >>>> > >>>> I am currently using serialize() on the formbuilder objects I create, then > >>>> adding them to an array of these serialized objects inside the $_SESSION > >>>> array. I do this because each page of the controller calls the php script > >>>> again and no formbuilder object can be stored in memory. Without the > >>>> serialize array, even if passed by reference, they therefore came back from > >>>> $_SESSION as __PHP_Incomplete_Class object type. > >>>> > >>>> When they are unserialized, some of the objects inside this big formbuilder > >>>> object are __PHP_Incomplete_Class Object type, although the $fb itself is > >>>> now the appropriate DB_DataObject_FormBuilder type. > >>>> > >>>> Please advise. Has this been tried before with success? Is it > >>>> theoretically possible to completely store and faithfully retrieve a > >>>> formbuilder object? -A > >>>> > >>> > >>> You shouldn't need to serialize the formbuilder object. The > >>> __PHP_Incomplete_Class type happens because the correct PHP files have > >>> not yet been required. Just store the object in your session as normal > >>> (no serialize) and make sure to > >>> require_once('DB/DataObject/FormBuilder.php'); as well as > >>> HTML_QuickForm and any elements that are in the form. Yes I know this > >>> is somewhat of a pain. This is why it's just easier to re-generate the > >>> FormBuilder. > >> > >> > > > > -- Justin Patrin