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######################################################################
## $Id: WizardSelector.pm 7953 2006-10-16 19:16:56Z spadkins $
######################################################################

package App::Widget::WizardSelector;
$VERSION = (q$Revision: 7953 $ =~ /(\d[\d\.]*)/)[0];  # VERSION numbers generated by svn

use App;
use App::Widget::HierSelector;
use Data::Dumper;
@ISA = ( "App::Widget::HierSelector" );

use strict;

=head1 NAME

App::Widget::WizardSelector - A screen selector widget

=head1 SYNOPSIS

   use App::Widget::WizardSelector;

   $name = "get_data";
   $w = App::Widget::WizardSelector->new($name);
   print $w->html();

=cut

=head1 DESCRIPTION

This class implements a simple wizard screen selector.

=cut

######################################################################
# INITIALIZATION
######################################################################

sub _init {
    my $self = shift;
    $self->SUPER::_init(@_);
    if (! $self->{selected}) {
        $self->select_first();
    }
}

sub select {
    my ($self, $nodeattrib, $value) = @_;
    my $success = $self->SUPER::select($nodeattrib, $value);
    $self->open_selected_exclusively();
    return($success);
}

sub open_exclusively {
    my ($self, $opennodenumber) = @_;
    #$self->{debug} .= "open_exclusively($opennodenumber)<br>";
    $self->SUPER::open_exclusively($opennodenumber);
    $self->select_first_open_leaf($opennodenumber);
}


# return the next enabled page in sequence.
sub next {
    &App::sub_entry if ($App::trace);
    my ($self) = @_;

    my $context = $self->{context};
    my $name    = $self->{name};
    my $node    = $self->node_list();

    my $selected_nodenumber = $self->{selected};
    my @nodeidx = split(/\./,$selected_nodenumber);

    my $nodelevel = $nodeidx[0];
    my $nodebase  = "";

    if (defined $node->{1} && !defined $node->{2}) {
        $nodelevel = 1;
        $nodebase = "1.";
    }

    my $auth = $context->authorization();
    my ($auth_name);

    my $found = 0;
    my $next;

    for (; $nodelevel <= $#nodeidx; $nodelevel++) {
        my $nodeidx = 1;
        my $nodenumber = "$nodebase$nodeidx"; # create its node number
        while (defined $node->{$nodenumber}) {

            # the current node has been found, check to see if this page is the next active page in
            # sequence.  if so, then we're done.
            if ($found) {
                if (defined $node->{$nodenumber}) {
                    $auth_name = $node->{$nodenumber}{auth_name};
                    if (!$auth_name || $auth->is_authorized("/App/SessionObject/$name/$auth_name")) {
                        if ($node->{$nodenumber}{enabled} == 1) {
                            $next = $node->{$nodenumber}{wname};
                            last;
                        }
                    }
                }
            }

            # if this is the current page, then mark it, and continue the traversal of pages for the next
            # active page in the sequence.
            $found = 1 if ($selected_nodenumber eq $nodenumber);

            $nodeidx++;
            $nodenumber = "$nodebase$nodeidx"; # create its node number
        }

        $nodebase .= "$nodeidx[$nodelevel].";
    }