On Mon, 30 Oct 2000, Steve Spicklemire wrote:
Hi Joachim,
rackList just refers to the racks in the 'racks' tab of the Specialist. Do you have any racks defined for this Specialist? The rackList is managed magically with the plug-in-group stuff.
Yes that's what I found too, but it doesn't work, with SQL-database and SkinScripts, the setup is described below:
"Joachim" == Joachim Schmitz <js@aixtraware.de> writes:
Joachim> for debugging I inserted in Specialists.py in getItem:
Joachim> return str(self.rackList) <-- inserted for rack in Joachim> self.rackList: item = rack.__of__(self).getItem(key) if Joachim> item is not None: return item
Joachim> this alway returns an empty list, when calling it from Joachim> the dtml:
Joachim> <dtml-var "getItem(_.int(609))"> returns "[]"
Joachim> I tried to follow the magic how this rackList is setup, Joachim> but it is to much python-Zen for me.
Joachim> On Sun, 29 Oct 2000, Joachim Schmitz wrote:
>> On Sat, 28 Oct 2000, Phillip J. Eby wrote: >> >> > At 05:17 PM 10/28/00 +0200, Joachim Schmitz wrote: >> > > >> > >select e.event_id as event_id > >,e.zeiten as zeiten > >> >,v.firma as firma > >,v.tel as tel > >,e.movie_id as movie_id >> > >,m.movie_title as movie_title > >,m.movie_link as movie_link >> > >,m.movie_text as movie_text > >,e.datum_von as datum_von > >> >,e.datum_bis as datum_bis > >from event as e, veranstalter as >> v, movies as m > >where > >e.event_id = <dtml-sqlvar e_id >> type=int> > >and e.movie_id = m.movie_id and e.veran_id = >> v.veran_id > >order by m.movie_title >> > >> > Just out of curiosity, why do you have an "order by" clause, >> if this is > supposed to only return one row? If more than one >> item is returned by this > query, only the first will be used >> to supply data to your DataSkin. >> > >> that was just left over from an reused query-template, I forgot >> to take it out. >> >> > >> > >I also added a SkinScript method as a Data Plug-in in the >> defaultRack like > this >> > > >> > >WITH QUERY readEvents(e_id=self.event_id) COMPUTE >> zeiten,firma,tel > >,movie_id,movie_text,movie_link,movie_title >> > >,datum_von,datum_bis,zeiten >> > >> > Do you have some way of providing self with an "event_id" >> value? Keep in > mind that when DataSkins are created, they >> have only an "id" attribute, > nothing else. So unless you >> have an attribute provider that provides an > "event_id" value, >> this statement will fail. Perhaps what you actually mean > is: >> > >> > WITH QUERY readEvents(e_id=self.id) COMPUTE > event_id, > >> zeiten,firma,tel, > movie_id,movie_text,movie_link,movie_title, >> > datum_von,datum_bis,zeiten >> > >> > Notice that I'm passing self.id to readEvents, and that I've >> added event_id > to the list of attributes retrieved from the >> query. >> > >> how do I set "self.id" I tried in dtml-method in the >> event-specialist: There is a event_id 609 in the table: >> >> <dtml-var "getItem(_.int(609))"> returns none or <dtml-var >> "getItem(key=_.int(609))"> returns none >> >> >> > >> > >under the storage tab I selected for: >> > > >> > >Class to use for stored items: ZPatterns:DataSkin and >> > > >> > >Objects are: o stored persistently. > > x loaded by >> accessing attribute: event_id >> > >> > This will work fine, if you use the revised SkinScript above. >> You will > probably want to create a ZClass subclass of >> DataSkin at some point to use > instead, so that you can define >> permissions, methods, and so on for your > Event objects. >> > >> > >>
Mit freundlichen Grüßen Joachim Schmitz AixtraWare, Ing. Büro für Internetanwendungen Hüsgenstr. 33a, D-52457 Aldenhoven Telefon: +49-2464-8851, FAX: +49-2464-905163