in form.element(_name="reference").update(_type="hidden")
the update is invalid if the element returns None because no TAG has _name='reference'. Massimo On Dec 28, 8:36 pm, Jon <[email protected]> wrote: > One other question: it kept saying this function was invalid > (.update): > > {{=form.element(_name="reference").update(_type="hidden")}} > > Can you tell me if the syntax is wrong? I see the value in making the > type of some form elements "hidden", etc...! > > Jon > > On Dec 28, 6:22 pm, rfx_labs <[email protected]> wrote: > > > Jon, > > > > If you use this successfully to build custom form(s) can you post a > > > sample of your controller and view here? > > > Model: > > proof=SQLDB("sqlite://proof.db") > > > proof.define_table('match', > > SQLField('name'), > > SQLField('min', 'integer'), > > SQLField('intent'), > > SQLField('keep_black', 'boolean')) > > > proof.define_table('color', > > SQLField('name'), > > SQLField('match', proof.match), > > SQLField('extra') > > SQLField('c', 'integer', default=0), > > SQLField('m', 'integer', default=0), > > SQLField('y', 'integer', default=0), > > SQLField('k', 'integer', default=0), > > SQLField('publish', 'boolean') > > SQLField('preview')) > > > proof.color.name.requires=IS_NOT_EMPTY() > > proof.color.match.requires=IS_IN_DB(proof, "match.id", "%(name)s", > > orderby=proof.match.pos) > > proof.color.extra.requires=IS_IN_SET(("Custom", "Option 2", "Option > > 3")) > > proof.color.c.requires=IS_INT_IN_RANGE(0,101) > > proof.color.m.requires=IS_INT_IN_RANGE(0,101) > > proof.color.y.requires=IS_INT_IN_RANGE(0,101) > > proof.color.k.requires=IS_INT_IN_RANGE(0,101) > > > Controller: > > def update(): > > try: > > rid = int(request.args[0]) > > record = proof(proof.color.id==rid).select()[0] > > except: > > session.flash=T('Entry doesn't exists!') > > redirect(URL(r=request,f='index')) > > > form=SQLFORM(proof.color, record, deletable=True) > > > if form.accepts(request.vars,session): > > redirect(URL(r=request, f='index')) > > > return dict(form=form) > > > You see nothing special so long ;-) > > > view: > > <form action="" enctype="multipart/form-data" method="post"> > > <fieldset> > > <legend>Generic</legend> > > <ol> > > <li><label > > for="color_name">Name:</label>{{=form.element > > (_name="name")}}</li> > > <li><label > > for="my_fancy_id">Color-Match:</label>{{=form.element > > (_name="match").update(_id="my_fancy_id")}}</li> > > <li><label > > for="color_extra">Name:</label>{{=form.element > > (_name="extra")}}</li> > > </ol> > > </fieldset> > > <fieldset> > > <legend>Color values</legend> > > <ol> > > {{for elm in "cmyk":}} > > <li><label for="color_{{=elm}}"><span > > id="c_{{=elm}}"> > > {{=elm.capitalize()}}:</span></label>{{=form.element(_name=elm)}}</li> > > <!-- or write this better with helpers > > {{=LI(LABEL(SPAN(elm.capitalize()+":", > > _id="c_"+elm), > > _for="color_"+elm), form.element(_name=elm))}} > > --> > > {{pass}} > > </ol> > > </fieldset> > > <fieldset> > > <label for=color_publish>publish</label>{{=form.element > > (_name="publish")}} > > <label for="delete_record">Delete this > > color</label>{{=form.element > > (_id="delete_record")}} > > <input type="submit" value="save"> > > {{=form.element(_name="reference").update(_type="hidden")}} > > {{=form.element(_name="id")}}{{=form.hidden_fields()}} > > </fieldset> > > </form> > > > returns: > > <form action="" enctype="multipart/form-data" method="post"> > > <fieldset> > > <legend>Generic</legend> > > <ol> > > <li><label for="color_name">Name:</label><input > > class="string" > > id="color_name" name="name" type="text" value="Cyan" /></li> > > <li><label > > for="my_fancy_id">Color-Match:</label><select > > class="reference match" id="my_fancy_id" name="match"><option > > selected="selected" value="1">Match 1</option><option value="2">Match > > 2</option></select></li> > > <li><label for="color_extra">Name:</label><select > > class="string" > > id="color_extra" name="extra"><option value="Custom">Custom</ > > option><option value="Option 2">Option 2</option><option value="Option > > 3">Option 3</option></select></li> > > </ol> > > </fieldset> > > <fieldset> > > <legend>Color values</legend> > > <ol> > > > <li><label for="color_c"><span > > id="c_c">C:</span></label><input > > class="integer" id="color_c" name="c" type="text" value="0" /></li> > > <!-- or write this better with helpers > > <li><label for="color_c"><span > > id="c_c">C:</span></label><input > > class="integer" id="color_c" name="c" type="text" value="0" /></li> > > --> > > > <li><label for="color_m"><span > > id="c_m">M:</span></label><input > > class="integer" id="color_m" name="m" type="text" value="28" /></li> > > <!-- or write this better with helpers > > <li><label for="color_m"><span > > id="c_m">M:</span></label><input > > class="integer" id="color_m" name="m" type="text" value="28" /></li> > > --> > > > <li><label for="color_y"><span > > id="c_y">Y:</span></label><input > > class="integer" id="color_y" name="y" type="text" value="100" /></li> > > <!-- or write this better with helpers > > <li><label for="color_y"><span > > id="c_y">Y:</span></label><input > > class="integer" id="color_y" name="y" type="text" value="100" /></li> > > --> > > > <li><label for="color_k"><span > > id="c_k">K:</span></label><input > > class="integer" id="color_k" name="k" type="text" value="0" /></li> > > <!-- or write this better with helpers > > <li><label for="color_k"><span > > id="c_k">K:</span></label><input > > class="integer" id="color_k" name="k" type="text" value="0" /></li> > > --> > > > </ol> > > </fieldset> > > <fieldset> > > <label for=color_publish>publish</label><input > > class="boolean" > > id="color_publish" name="publish" type="checkbox" value="on" /> > > <label for="delete_record">Delete this color</label><input > > class="delete" id="delete_record" name="delete_this_record" > > type="checkbox" value="on" /> > > <input type="submit" value="save"> > > <input class="reference reference" id="color_reference" > > name="reference" type="hidden" value="5" /> > > <input name="id" type="hidden" value="4" /><input > > name="_formkey" > > type="hidden" value="815a1592-f25e-4a25-af72-78ebedced385" /><input > > name="_formname" type="hidden" value="color" /> > > </fieldset> > > </form> > > > I hope you get an idea. > > > The benefits: > > - only once define requires for appadmin and your custom forms in the > > model > > - handling of field values and errors is done from SQLFORM() > > - No need to adjust class or id in controller > > > Martin --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. 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