webgui/lib/WebGUI/Session/Setting.pm
2008-02-07 23:28:18 +00:00

184 lines
3.2 KiB
Perl

package WebGUI::Session::Setting;
=head1 LEGAL
-------------------------------------------------------------------
WebGUI is Copyright 2001-2008 Plain Black Corporation.
-------------------------------------------------------------------
Please read the legal notices (docs/legal.txt) and the license
(docs/license.txt) that came with this distribution before using
this software.
-------------------------------------------------------------------
http://www.plainblack.com info@plainblack.com
-------------------------------------------------------------------
=cut
use strict;
=head1 NAME
Package WebGUI::Session::Setting
=head1 DESCRIPTION
This package stores and retrieves settings. It is generally only used internally by WebGUI and not by external scripts.
=head1 SYNOPSIS
use WebGUI::Session::Setting;
$settings = WebGUI::Session::Setting->new;
$settings->set($name, $value);
$value = $settings->get($name);
$settings->add($name, $value);
$settings->remove($name);
$session = $settings->session;
=head1 FUNCTIONS
These subroutines are available from this package:
=cut
#-------------------------------------------------------------------
=head2 add ( name, value )
Creates a new setting.
=head3 name
The name of the setting to add.
=head3 value
The initial value of the setting.
=cut
sub add {
my $self = shift;
my $name = shift;
my $value = shift;
$self->{_settings}{$name} = $value;
$self->session->db->write("insert into settings (name,value) values (?,?)",[$name, $value]);
}
#-------------------------------------------------------------------
=head2 DESTROY ( )
Deconstructor.
=cut
sub DESTROY {
my $self = shift;
undef $self;
}
#-------------------------------------------------------------------
=head2 get ( )
Returns a hash reference containing all the settings.
=cut
sub get {
my $self = shift;
my $param = shift;
return $self->{_settings}{$param};
}
#-------------------------------------------------------------------
=head2 new ( session )
Constructor.
=head3 session
A reference to the current WebGUI::Session.
=cut
sub new {
my $class = shift;
my $session = shift;
my $settings = $session->db->buildHashRef("select * from settings");
bless {_settings=>$settings, _session=>$session}, $class;
}
#-------------------------------------------------------------------
=head2 remove ( name )
Removes a setting permanently.
=head3 name
The name of the setting to set.
=cut
sub remove {
my $self = shift;
my $name = shift;
delete $self->{_settings}{$name};
$self->session->db->write("delete from settings where name=?",[$name]);
}
#-------------------------------------------------------------------
=head2 session ( )
Returns a reference to the WebGUI::Session object.
=cut
sub session {
my $self = shift;
return $self->{_session};
}
#-------------------------------------------------------------------
=head2 set ( name, value )
Sets the value of a setting.
=head3 name
The name of the setting to set.
=head3 value
The value of the setting.
=cut
sub set {
my $self = shift;
my $name = shift;
my $value = shift;
$self->{_settings}{$name} = $value;
$self->session->db->write("update settings set value=? where name=?",[$value, $name]);
}
1;