old web2py blog

Complete code:

def ajax_create(field,
                value='create',
                title='Add a new organizaiton',
                height=100, width=600):
    if not field.type.startswith('reference'):
        raise SyntaxError, "can only be used with a reference field"
    if not hasattr(field.requires,'options'):
        raise SyntaxError, "cannot determine options from field validator"
    key = str(field).replace('.','_')
    if request.get_vars._ajax_add==str(field):
        def update_select(form):
            options = TAG[''](*[OPTION(v,_value=k,_selected=str(form.vars.id)==str(k)) \
                                for (k,v) in field.requires.options()])
            command = "jQuery('#%s').html('%s');jQuery('#TB_closeWindowButton').click()" \
                % (key,options.xml().replace("'","\'"))
            response.headers['web2py-component-command'] = command
        table = field._db[field.type[10:]]
        raise HTTP(200,crud.create(table,onaccept=update_select).xml(),**response.headers)
    response.files.append('http://jquery.com/demo/thickbox/thickbox-code/thickbox.js')
    response.files.append('http://jquery.com/demo/thickbox/thickbox-code/thickbox.css')
    return TAG[''](
        A(value,_class='thickbox',_title=title,
           _href='#TB_inline?height=%s&width=%s&inlineId=TB_%s' % (height,width,key)),
        DIV(LOAD(request.controller,request.function,args=request.args,
                 vars=dict(_ajax_add=field),ajax=True),_id='TB_%s' % key,_class='hidden'))

db.define_table('organization',Field('name',notnull=True,unique=True),format='%(name)s')
db.define_table('person',Field('name'),Field('organization',db.organization))

db.person.organization.comment = ajax_create(db.person.organization,title='Add an Org.')

def index():
    return dict(form=crud.create(db.person,request.args(0)))

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