katre wrote:
The basic problem, as before, is that it is totally impossible in struts
to default a checkbox to true, and still be able to detect when it is
uncheked by a user.
Wow. All those apps of mine, ruined ;)
Someone, please prove me wrong! Tell me struts isn't this limited! Tell
me how to fix this! Otherwise, I'll have to go add javascript hackery
and extra hidden fields to every JSP that uses a checkbox, and that's a
lot.
That's crazy.
Um, well, what _I've_ been doing is setting the appropriate ActionForm
value before I display the form, not in reset but in the Action's
execute method (reset works too, but because I've never used
validate="true" I'm doing setup stuff in the Action anyway). After form
submision I look at the form value of the checkbox (I usually use
Boolean, but I almost always use DynaValidatorActionForms, so YMMV on
that one).
Somehow I can create and edit records with checkboxes despite the "total
impossibility" :D Sometimes I have to marshall the checkbox value into
an integer if that's what I'm using as a flag in the DB.
I've appended some old code that shows (more or less) one way of
approaching this (and I eagerly await the code style comments ;)
Dave
// Code edited to protect the not-so-innocent and hide framework details
// Loads the required OM on an edit; before showing the form, i.e. GET
request
AnnouncementType anntype =
AnnouncementTypePeer.retrieveByEventAndType(event_.getEventId(), typeId_);
if (anntype == null) {
request_.setAttribute("dontShowForm", Boolean.TRUE); // <--
Go ahead, mock me!
return errorResourceToInput(request_, mapping_,
"anntypebean.error.editRetrieval");
}
DynaActionForm form = (DynaActionForm) form_;
BeanUtils.copyProperties(form, anntype);
// Mock me some more!
Boolean clientP = anntype.getClientAnnouncement() > 0 ?
Boolean.TRUE : Boolean.FALSE;
Boolean cbModeP = anntype.getCbMode() > 0 ? Boolean.TRUE :
Boolean.FALSE;
Boolean epcModeP = anntype.getEpcMode() > 0 ? Boolean.TRUE :
Boolean.FALSE;
form.set("clientAnnouncementP", clientP);
form.set("cbModeP", cbModeP);
form.set("epcModeP", epcModeP);
// Put form values back into OM and update after POST
AnnouncementType announcementType =
AnnouncementTypePeer.retrieveByEventAndType(event_.getEventId(), id_);
if (announcementType == null) {
request_.setAttribute("dontShowForm", Boolean.TRUE);
return errorResourceToInput(request_, mapping_,
"anntypebean.error.editRetrieval");
}
BeanUtils.copyProperties(announcementType, form_);
announcementType.setAnnouncementPrice(safeMoney((String)
form_.get("announcementPrice")));
announcementType.setClientAnnouncement((Boolean)
form_.get("clientAnnouncementP")); // <-- Yes, I'm a lisp programmer
announcementType.setCbMode((Boolean) form_.get("cbModeP"));
announcementType.setEpcMode((Boolean) form_.get("epcModeP"));
AnnouncementTypePeer.doUpdate(announcementType);
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