Here you go, Markus. David
Sent from my iPad Begin forwarded message: > From: Ramsey Gurley <[email protected]> > Date: March 7, 2011 at 7:10:11 AM PST > To: WebObjects Development <[email protected]> > Cc: Daniel Mejia <[email protected]> > Subject: Re: Dependent popup in D2W > > Hi Daniel, > > Here's some additional explanation from another list email... > >> Re Usage: >> >> The AjaxNotifcationCenter must come before any of the observed fields. In >> the example, I use the aboveDisplayPropertyKeys repetition to enforce that, >> but it could just as easily exist in displayPropertyKeys, as long as it is >> first. The observers register their generated id with the notification >> center, so it has to exist on the page first. >> >> Notification objects are the d2wContext, so each nested page has its own >> ANC. The observers are just an Ajaxed D2WCustomComponent. So each dependent >> field needs a couple of rules like: >> >> int: qual => componentName = AjaxObservingSwitch >> int: qual => customComponentName = OriginalComponentName >> >> When properties change, they fire a notification and refresh the ANC. The >> ANC receives the notification and passes the current D2WContext to the >> propertyChangedDelegate object from the rule system. That tells the >> delegate which property changed (propertyKey) and the delegate then passes >> back an NSArray of propertyKeys that require a refresh. > > Ramsey > >> On Mar 6, 2011, at 12:06 PM, David Holt wrote: >> >> There is a a component that does exactly that in AjaxLook in Wonder. >> >> "Hi David, >> >> I have an example of dependent popups here: >> >> https://r2d2w.svn.sourceforge.net/svnroot/r2d2w/trunk/ERR2d2w/Support/AjaxLook.zip >> >> I think the same approach should be applicable to what you are describing. >> The components to do this are now in wonder in the AjaxLook framework. >> >> Ramsey" >> >> >>> On 2011-03-06, at 8:17 AM, Daniel Mejia wrote: >>> >>> Hi all, >>> >>> I need some help with D2W. >>> >>> I have a D2W edit page with two to one relationships attributes and I need >>> to display in the second attribute just the values related to the selected >>> value in the first attribute, something similar to the country ->state >>> dependency, how can I do that in D2W? >>> >>> Saludos, >>> >>> Daniel. >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-dev mailing list ([email protected]) >>> Help/Unsubscribe/Update your Subscription: >>> http://lists.apple.com/mailman/options/webobjects-dev/programmingosx%40mac.com >>> >>> This email sent to [email protected] >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/ramseygurley%40gmail.com >> >> This email sent to [email protected] > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/programmingosx%40mac.com > > This email sent to [email protected]
_______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
