I do not think you need to extend SQLFORM to implement this. You just
need a new widget for the reference field. I think.
Not that there is anything worng with extending SQLFORM but I think it
may be more complex that needs to be.
On Oct 5, 8:22 pm, Renato-ES-Brazil <caliari.ren...@gmail.com> wrote:
> I've created a simple code.
>
> In my db_task.py I have the following lines, among others:
>
> from applications.myapp.modules.mywidgets import *
>
> db.main.product.requires=IS_IN_DB(db,db.product.id,db.product.name,
> orderby=~db.product.name)
> db.main.product.widget = options_with_add_link.widget
>
> And in my module mywidgets.py I have the class:
>
> class options_with_add_link(SQLFORM):
> @staticmethod
> def widget(field,value,**attr):
> select = OptionsWidget.widget(field,value,**attr)
> id = "%(tablename)s_%(fieldname)s" %
> {"tablename":field._tablename,"fieldname":field.name}
> script_add_button = SCRIPT(
> """$(document).ready(function() {
> $("#%(id)s").after(
> \"<a target='_blank' href=\'%(url)s\'>%(text)s</a>\"
> );
> }
> )""" % {"id" : id,"url":URL
> (a="myapp",c=field.name,f="create"),"text":"Add"}
> )
> return DIV(select, script_add_button)
>
> Notice above, in the line where I create the "add" link, that I call
> the "URL" method by passing hard coded values. I don't want it.
>
> On Oct 5, 9:44 pm, Renato-ES-Brazil <caliari.ren...@gmail.com> wrote:
>
> > I am here trying to create a custom widget, inside a class that
> > extends SQLFORM, but how could I create a custom widget that allow me
> > to send others parameters besides "field" and "value"?
>
> > I would like call the new widget by sending the parameters "control"
> > and "function". So, inside the function, I would use the values to
> > create properly the "add" link (url).
>
> > I found only a few examples of customization of widget.
>
> > Thanks.
>
> > On Oct 5, 8:03 am, Renato-ES-Brazil <caliari.ren...@gmail.com> wrote:
>
> > > Cool!
>
> > > Before I try to do something I really wanted to know if there was
> > > something done by passing a parameter.
>
> > > Thanks a lot guys!
>
> > > On Oct 5, 1:08 am, mdipierro <mdipie...@cs.depaul.edu> wrote:
>
> > > > It would be nice to a widget that does this.
>
> > > > On Oct 4, 10:14 pm, Álvaro Justen [Turicas] <alvarojus...@gmail.com>
> > > > wrote:
>
> > > > > On Sat, Oct 3, 2009 at 02:52, Iceberg <iceb...@21cn.com> wrote:
>
> > > > > > On Oct3, 8:41am, Renato-ES-Brazil <caliari.ren...@gmail.com> wrote:
> > > > > >> Hi guys!
>
> > > > > >> When the form displays the select with several options from the
> > > > > >> other
> > > > > >> table, using the "is_in_db" configuration, couldn't also to put a
> > > > > >> button, for example "ADD NOW", next to it to allows add a new
> > > > > >> option?
>
> > > > > >> Currently is there this possibility for the CRUD (create and update
> > > > > >> forms)?
>
> > > > > > I've been in same situation as you mentioned. Here is my journey.
>
> > > > > > Adding a "Add Now" button is easy. You can either customize the
> > > > > > form,
> > > > > > or customize the widget, or just use some jquery effect in a way
> > > > > > like
> > > > > > this:
>
> > > > > > def youraction():
> > > > > > form=crud.create(...)
> > > > > > ...
> > > > > > return dict(form=DIV(
> > > > > > form,
> > > > > > SCRIPT('''$(document).ready(function() {
> > > > > > $("#your_widgit_id").after(
> > > > > > "<a target='_blank' href='/yourapp/default/addnow'>Add Now</
> > > > > > a>");
> > > > > > });'''),
> > > > > > ))
>
> > > > > > However, I found that after successfully adding a new entry into db,
> > > > > > there is no obvious way to refresh the is_in_db field itself,
> > > > > > providing that I don't want to HARDCODE one more dedicated ajax
> > > > > > action
> > > > > > in my already-too-complex controller.
>
> > > > > > So, my user still have to refresh the whole original page to see the
> > > > > > change after "add now", with a price of losing all his previous
> > > > > > input.
> > > > > > Lucky enough that I could arrange the is_in_db field at the first
> > > > > > line
> > > > > > of my form, so the waste of input is minimum. In this case, the
> > > > > > benefit of "Add Now" button is not as big as we thought.
>
> > > > > > If anybody knows a better solution, please give me some tips.
> > > > > > Thanks!
>
> > > > > You could open a popup with a SQLFORM to create a new register in
> > > > > other table, with a JavaScript/AJAX to update dropdown's options (and
> > > > > select option that was created), like Djando admin do.
> > > > > You could also use a "overlay" to show the form instead of the popup.
> > > > > See:http://alvarojunior.com/jquery/joverlay/0.7.1/
>
> > > > > --
> > > > > Álvaro Justen
> > > > > Peta5 - Telecomunicações e Software Livre
> > > > > 21 3021-6001 / 9898-0141
> > > > > http://www.peta5.com.br/
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