jifty::param::schema(3pm) [debian man page]

Jifty::Param::Schema(3pm)				User Contributed Perl Documentation				 Jifty::Param::Schema(3pm)

NAME

       Jifty::Param::Schema - Declare parameters of a Jifty action with ease.

SYNOPSIS

	   package MyApp::Action::Login;
	   use Jifty::Param::Schema;
	   use Jifty::Action schema {

	   param email =>
	       label is 'Email address',
	       is mandatory,
	       ajax validates;

	   param password =>
	       type is 'password',
	       label is 'Password',
	       is mandatory;

	   param remember =>
	       type is 'checkbox',
	       label is 'Remember me?',
	       hints is 'If you want, your browser can remember your login for you',
	       default is 0;

	   };

DESCRIPTION

       This module provides a simple syntax to declare action parameters.

       It re-exports "defer" and "lazy" from Scalar::Defer, for setting parameter fields that must be recomputed at request-time:

	   param name =>
	       default is defer { Jifty->web->current_user->name };

       See Scalar::Defer for more information about "defer".

   schema
       The "schema" block from a Jifty::Action subclass describes an action for a Jifty application.

       Within the "schema" block, the localization function "_" is redefined with "defer", so that it resolves into a dynamic value that will be
       recalculated upon each request, according to the user's current language preference.

   param
       Each "param" statement inside the "schema" block sets out the name and attributes used to describe one named parameter, which is then used
       to build a Jifty::Param object.	That class defines possible field names to use in the declarative syntax here.

       The "param" function is not available outside the "schema" block.

ALIASES

       In addition to the labels provided by Jifty::Web::Form::Field and Jifty::Param, this module offers the following aliases:

	   ajax validates,	       # ajax_validates is 1
	   ajax canonicalizes,	       # ajax_canonicalizes is 1
	   order is -1, 	       # sort_order is -1
	   default is 0,	       # default_value is 0
	   valid are qw( 1 2 3 ),      # valid_values are qw( 1 2 3 )
	   available are qw( 1 2 3 ),  # available_values are qw( 1 2 3 )
	   render as 'select',	       # render_as is 'select'

SEE ALSO

       Object::Declare, Scalar::Defer

   merge_params HASHREF HASHREF
       Takes two hashrefs. Merges them together and returns the merged hashref.

	   - Empty fields in subclasses don't override nonempty fields in superclass anymore.
	   - Arrays don't merge; e.g. if parent class's valid_values is [1,2,3,4], and
	     subclass's valid_values() is [1,2], they don't somehow become [1,2,3,4,1,2].

       BUG: This should either be a private routine or factored out into Jifty::Util

perl v5.14.2							    2010-09-25						 Jifty::Param::Schema(3pm)

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Jifty::Action::Record::Update(3pm)			User Contributed Perl Documentation			Jifty::Action::Record::Update(3pm)

NAME

       Jifty::Action::Record::Update - Automagic update action

DESCRIPTION

       This class is used as the base class for Jifty::Actions that are merely updating Jifty::Record objects.	To use it, subclass it and
       override the "record_class" method to return the name of the Jifty::Record subclass that this action should update.

METHODS

   arguments
       Overrides the "arguments" in Jifty::Action::Record method to further specify that all of the primary keys must have values when submitted;
       that is, they are constructors.

   validate_arguments
       We only need to validate arguments that got submitted -- thus, a mandatory argument that isn't submitted isn't invalid, as it's not going
       to change the record.  This is opposed to the behavior inherited from Jifty::Action, where mandatory arguments must be present for the
       action to run.

       However, constructor arguments are still required.

   take_action
       Overrides the virtual "take_action" method on Jifty::Action to call the appropriate "Jifty::Record"'s "set_" methods when the action is
       run, thus updating the object in the database.

   report_success
       Sets the "message" in Jifty::Result to default success message, "Updated". Override this if you want to report some other more user-
       friendly result.

   possible_columns
       Update actions do not provide fields for columns marked as "private" or "protected".

   _extra_validator_args
       Passes "for => 'update'" to validators.

   _extra_canonicalizer_args
       Passes "for => 'update'" to canonicalizers.

   _extra_autocompleter_args
       Passes "for => 'update'" to autocompleters.

SEE ALSO

       Jifty::Action::Record, Jifty::Record

LICENSE

       Jifty is Copyright 2005-2010 Best Practical Solutions, LLC.  Jifty is distributed under the same terms as Perl itself.

perl v5.14.2							    2011-02-10					Jifty::Action::Record::Update(3pm)

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jifty::param::schema(3pm) [debian man page]

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