Re: [Apc-aa-coders] Creating an instance of class item

[Honza M. <hon...@ec...>]

Described functions are already there (grabbed from slice.php3):

// 'slice_aliases' - is splited to two functions=20
list($fields,) =3D GetSliceFields($slice_id);
$aliases       =3D GetAliasesFromFields($fields);

// read_content_from_db - axactly what does GetItemContent()
// the $ids could be array of ids or single $id, $use_short_id is=20
// boolean indicating type of $ids (default is false =3D> unpacked)
$content       =3D GetItemContent($ids, $use_short_ids)

   Honza

On St, 2003-01-15 at 09:16, Mitra wrote:
> So should we have a generic function that takes an itemid, reads the=20
> aliases from the slice's info, and then the content from the db and=20
> then creates an item?
>=20
> That function itself is easy, but needs two functions to make it work i=
.e.
>=20
>=20
> $aliases =3D slice_aliases($sliceid);
> $content =3D read_content_from_db($itemid);
> new $item("","",$aliases,"","");
> $item->columns =3D read_content_from_db($itemid);
>=20
> I don't think the format string is needed? Since we are going to be=20
> expanding a view.
>=20
> The two functions I'm using above - i.e. slice_aliases($sliceid) and=20
> read_content_from_db($itemid) both seem to be missing, although they=20
> both seem pretty generic to me.
>=20
>=20
> - Mitra
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> At 1:22 AM +0100 15/1/03, Honza Malik wrote:
> >Grabbed from admin/discedit.php3:
> >
> >// $dcontent - well known "Abstract Data Structure":
> >// $dcontent[$d_id]["d_state........."][0][value]
> >// $dcontent[$d_id]["d_state........."][0][flag]
> >$dcontent =3D GetDiscussionContent($item_id, "", "", false);
> >
> >// aliases array in standard form:
> >// $aliases["_#SUBJECT_"] =3D array( "fce" =3D>   "f_h",
> >//                                 "param" =3D> "d_subject.......",
> >//                                 "hlp"   =3D> "L_D_SUBJECT_ALIAS" );
> >
> >// prepare
> >$item =3D new item("","",$aliases,"","","");
> >
> >// format string
> >$text =3D "<tr><td> ..._#SUBJECT#&nbsp;</td>
> >              <td>_#AUTHOR## .._#DATE####</td></tr>";
> >
> >// assign format
> >$item->setformat($text);
> >
> >// assign item data
> >$item->columns =3D $dcontent[$d_id];
> >
> >// print
> >echo $item->get_item();
> >
> >
> >    Honza
> >
> >
> >On =DAt, 2003-01-14 at 01:10, Mitra wrote:
> >>  >
> >>  >>  P.S. I'd still like a hint on how to create a new "item" referi=
ng to
> >>  >  > an item id, this would be very useful for use of the site modu=
le, but
> >>  >>  I can't figure out if this is possible.
> >>  >
> >>  >I'm not sure I understand, what you need.
> >>
> >>
> >>  In the site, I have  a parameter like  --m1234
> >>
> >>  So I have an id of an item, - (actually a short id, but it doesn't
> >>  really matter. )
> >>
> >>  What I would like to do is in module/site/sites/site_greenpages.php=
3
> >>  create an instance of the class "item" (as in include/item.php3) so
> >>  that I can then do my unaliasing in that context.  This would mean
> >>  that within the site definition I could put
> >>
> >>  _#HEADLINE or {headline........} or
> >>  {alias:related........1:f_v:view.php3?vid=3D23&cmd[]=3Dx-23-_#this}
> >>
> >>  etc etc
> >>
> >>  But the code for creating the instance of the class item is pretty
> >>  obscure, it is tightly coupled to the places it is used now, I'm
> >>  looking for some guidelines to creating an instance of the class it=
em
> >  > starting with an id.
> >  >
> >  > - Mitra
> >
> >
> >
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>=20