what do you want to do exctely? call a Java function from web2py? On Monday, 12 February 2018 11:56:59 UTC-6, Matthew J Watts wrote: > > Can anyone point me in the right direction with this, any good tutorial > out there on how i can integrate java and web2py? > > On Friday, February 9, 2018 at 12:05:32 PM UTC+1, Matthew J Watts wrote: >> >> Thanks for your reponse David! >> >> On Thursday, February 8, 2018 at 8:56:19 PM UTC+1, Dave S wrote: >>> >>> >>> >>> On Thursday, February 8, 2018 at 9:55:25 AM UTC-8, Matthew J Watts wrote: >>>> >>>> Hi community >>>> >>>> I'm having a few problems trying to understand how create a cascading >>>> drop down list. I've followed this recipe - >>>> >>>> >>>> http://www.web2pyslices.com/slice/show/1526/cascading-drop-down-lists-with-ajax-2 >>>> >>>> i've managed to adapt it slightly, but i'm having trouble trying to add >>>> more tables to the cascade/sequence >>>> >>> >>> I'm not much of a menu person (I make use of ordinary anchor links for >>> the most part), but that example was probably written when BootStrap2 was >>> the css/javascript in use. Currently, web2py ships with BootStrap3, which >>> doesn't support more than 1 level of submenus. If you use stupid.css (as >>> in applications/example), you might not have that limitation, but I can't >>> show you what you want. >>> >>> >>>> It is quite difficult for me (a beginner) to suss out the logic behind >>>> it >>>> >>>> >>> Menus typically control what is shown by using javascript to manipulate >>> CSS. Simple menus may be CSS only, but then they'd be statically defined. >>> >>> Good luck! >>> >>> /dps >>> >>> >>> >>>> So at the moment i have the code below, what i'm trying to do is return >>>> a list of values from the "tax_class" table, based on a selection >>>> from the "tax_phylum" table( based on sececting an entry from the >>>> kingdom table) >>>> >>>> *model* >>>> >>>> db.define_table('tax_kingdom', >>>> Field('name')) >>>> >>>> db.define_table('tax_phylum', >>>> Field('name', 'string'), >>>> Field('kingdom_id')) >>>> db.tax_phylum.kingdom_id.requires = IS_IN_DB(db, db.tax_kingdom.id, >>>> '%(name)s') >>>> >>>> db.define_table('tax_class', >>>> Field('name', 'string'), >>>> Field('phylum_id')) >>>> db.tax_class.phylum_id.requires = IS_IN_DB(db, db.tax_phylum.id, >>>> '%(name)s') >>>> >>>> >>>> *Controller* >>>> >>>> def index(): >>>> kingdoms = db().select(db.tax_kingdom.ALL) >>>> >>>> if request.vars.kingdom_name: >>>> phylum_select = db(db.tax_phylum.id == >>>> request.vars.kingdom_name).select(db.tax_phylum.ALL) >>>> else: >>>> phylum_select = db(db.tax_phylum.id == 1).select(db.tax_phylum.ALL) >>>> return dict(kingdoms=kingdoms, phylum_select=phylum_select) >>>> >>>> >>>> def phylum(): >>>> phylums = db(db.tax_phylum.kingdom_id == >>>> request.vars.kingdom_name).select(db.tax_phylum.ALL) >>>> result = "" >>>> for p in phylums: >>>> result += "<option value='" + str(p.id) + "'>" + p.name + >>>> "</option>" >>>> return XML(result) >>>> >>>> >>>> >>>> *view* >>>> >>>> >>>> >>>> {{extend 'layout.html'}} >>>> >>>> <form enctype="multipart/form-data" action="{{URL()}}" method="post"> >>>> <select name='kingdom_name' >>>> onchange="jQuery('#kingdom_name').empty(); >>>> ajax('phylum', ['kingdom_name'], 'phylum_name');"> >>>> {{for kingdom in kingdoms:}} >>>> <option value="{{=kingdom.id}}" >>>> {{=" selected='selected'" if >>>> str(kingdom.id)==request.vars.kingdom_name else ""}}> >>>> {{=kingdom.name}} >>>> </option> >>>> {{pass}} >>>> </select> >>>> >>>> >>>> <select id='phylum_name' name='phylum_name' > >>>> <!-- loop through the index function i --> >>>> {{for phylum in phylum_select:}} >>>> <option value="{{=phylum.id}}" >>>> {{=XML(" selected='selected'") if >>>> str(phylum.id)==request.vars.phylum_name else ""}}> >>>> {{=phylum.name}}</option> >>>> {{pass}} >>>> </select> >>>> >>>> >>>> </form> >>>> >>>>
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