[web2py] Re: Parent -> Child Models in a single form

[Massimo Di Pierro]

perhaps this works





def ListStringWidget(field,value,**attributes):
    _id = '%s_%s' % (field._tablename, field.name)
    _name = field.name
    if field.type=='list:integer': _class = 'integer'
    else: _class = 'string'
    requires = field.requires
    items=[LI(INPUT(_id=_id,_class=_class,_name=_name,value=v,hideerror=True)) for v in value or ['']]
    #if items:
    #    items[-1][0]['hideerror'] = False
    script=SCRIPT("""
// from http://refactormycode.com/codes/694-expanding-input-list-using-jquery
(function(){
jQuery.fn.grow_input = function() {
  return this.each(function() {
    var ul = this;
    jQuery(ul).find(":text").keypress(function (e) { return (e.which == 13) ? pe(ul) : true; });
  });
};
function pe(ul) {
  var new_line = ml(ul);
  rel(ul);
  new_line.appendTo(ul);
  new_line.find(":text").focus();
  return false;
}
function ml(ul) {
  var line = jQuery(ul).find("li:first").clone(true);
  line.find(':text').val('');
  return line;
}
function rel(ul) {
  jQuery(ul).find("li").each(function() {
    var trimmed = jQuery.trim(jQuery(this.firstChild).val());
    if (trimmed=='') jQuery(this).remove(); else jQuery(this.firstChild).val(trimmed);
  });
}
})();
jQuery(document).ready(function(){jQuery('#%s_grow_input').grow_input();});
""" % _id)
    attributes['_id']=_id+'_grow_input'
    return TAG[''](UL(*items,**attributes),script)

db.define_table('person',Field('name'),Field('addresses','list:string',widget=ListStringWidget))