# Copyright (c) 2000-2010 bivio Software, Inc.  All rights reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: TextArea.pm,v 2.10 2011/03/03 18:16:09 nagler Exp $
package Bivio::Type::TextArea;
use strict;
use Bivio::Base 'Type.Text';

our($VERSION) = sprintf('%d.%02d', q$Revision: 2.10 $ =~ /\d+/g);

sub LINE_WIDTH {
    return 60;
}

sub from_literal {
    my($proto, $value, $line_width) = @_;
    $proto->internal_from_literal_warning
        unless wantarray;
    return (undef, undef)
 	unless defined($value) && length($value);
    my($pref, $req);
    return $proto->wrap_lines($value, $line_width || $proto->LINE_WIDTH)
	if defined($value)
        and $req = Bivio::Agent::Request->get_current
	and $pref = b_use('Model.RowTag')->new($req)
	    ->row_tag_get_for_auth_user('TEXTAREA_WRAP_LINES')
        and $pref;
    return (undef, Bivio::TypeError->TOO_LONG)
 	if length($value) > $proto->get_width;
    my($v) = $proto->canonicalize_charset(\$value);
    return length($$v) ? $$v . "\n" : (undef, undef);
}

sub get_width {
    # Max size in browsers
    return 0xffff;
}

1;