NAME

       Embperl::Form::DataSource - Base class for data source objects which provides the data for
       ControlMutlValue objects.

SYNOPSIS

       Do not use directly, instead derive a class

DESCRIPTION

       This class is not used directly, it is used as a base class for all data source objects.
       It provides a set of methods that could be overwritten to customize the behaviour of your
       controls.

METHODS

   get_values
       returns the values and options. Must be overwritten.

       get_id_from_value

       returns an id for a given value. This allow to have an id form an value/option pair which
       is not excat the same as the value. This is used in json requests for example for
       selectdyn control.

       get_datasource_controls

       returns additional controls provided by the datasource object e.g. a browse button

AUTHOR

       G. Richter (richter at embperl dot org)

SEE ALSO

       perl(1), Embperl, Embperl::Form, Embperl::From::ControlMultValue