use vars qw($VERSION);
BEGIN {
- $VERSION = '2.00';
+ $VERSION = '2.01';
Time::HiRes->import('time') if eval {require Time::HiRes};
}
sub init {}
+sub destroy {}
+
###----------------------------------------------------------------###
sub navigate {
$self->{'_time'} = time;
+ $self->destroy;
+
return $self;
}
$self->morph($step);
### run the guts of the step
- my $status = $self->run_hook('run_step', $step);
-
- $self->unmorph($step);
+ my $handled = $self->run_hook('run_step', $step);
### Allow for the run_step to intercept.
### A true status means the run_step took over navigation.
- return if $status;
+ if ($handled) {
+ $self->unmorph($step);
+ return;
+ }
+
+ ### if there are no future steps - allow for this step to designate one to follow
+ my $is_at_end = $self->{'path_i'} >= $#$path ? 1 : 0;
+ $self->run_hook('refine_path', $step, $is_at_end);
+
+ $self->unmorph($step);
}
### allow for one exit point after the loop
sub previous_step {
my $self = shift;
- croak "previous_step is readonly" if $#_ != -1;
return $self->step_by_path_index( ($self->{'path_i'} || 0) - 1 );
}
sub current_step {
my $self = shift;
- croak "current_step is readonly" if $#_ != -1;
return $self->step_by_path_index( ($self->{'path_i'} || 0) );
}
-sub next_step {
+sub next_step { # method and hook
my $self = shift;
- croak "next_step is readonly" if $#_ != -1;
return $self->step_by_path_index( ($self->{'path_i'} || 0) + 1 );
}
sub last_step {
my $self = shift;
- croak "last_step is readonly" if $#_ != -1;
return $self->step_by_path_index( $#{ $self->path } );
}
sub first_step {
my $self = shift;
- croak "first_step is readonly" if $#_ != -1;
return $self->step_by_path_index( 0 );
}
croak "Could not find a method named ${step}_${hook} or ${hook}";
}
-
### record history
my $hist = {
step => $step,
}
sub morph {
- my $self = shift;
- my $step = shift || return;
- return if ! (my $allow = $self->allow_morph($step));
+ my $self = shift;
+ my $step = shift || return;
+ my $allow = $self->allow_morph($step) || return;
### place to store the lineage
my $lin = $self->{'__morph_lineage'} ||= [];
meth => 'morph',
found => 'morph',
time => time,
- elapsed => 0,
+ elapsed => 0,
+ response => 0
};
push @{ $self->history }, $hist;
if (ref($allow) && ! $allow->{$step}) { # hash - but no step - record for unbless
$hist->{'found'} .= " (not allowed to morph to that step)";
- return;
+ return 0;
}
### make sure we haven't already been reblessed
|| (ref($allow) && ! $allow->{$step}) # hash - but no step
)) {
$hist->{'found'} .= $allow ? " (not allowed to nested_morph to that step)" : " (nested_morph disabled)";
- return; # just return - don't die so that we can morph early
+ return 0; # just return - don't die so that we can morph early
}
### if we are not already that package - bless us there
}
}
+ $hist->{'response'} = 1;
+ return 1;
}
sub unmorph {
meth => 'unmorph',
found => 'unmorph',
time => time,
- elapsed => 0,
+ elapsed => 0,
+ response => 0,
};
push @{ $self->history }, $hist;
$hist->{'found'} .= " (already isa $cur)";
}
+ $hist->{'response'} = 1;
return $self;
}
return 0;
}
+sub refine_path {
+ my ($self, $step, $is_at_end) = @_;
+ return 0 if ! $is_at_end; # if we aren't at the end of the path, don't do anything
+
+ my $next_step = $self->run_hook('next_step', $step) || return 0;
+ $self->run_hook('set_ready_validate', $step, 0);
+ $self->append_path($next_step);
+ return 1;
+}
+
sub prepared_print {
my $self = shift;
my $step = shift;
}
sub info_complete {
- my $self = shift;
- my $step = shift;
-
+ my ($self, $step) = @_;
return 0 if ! $self->run_hook('ready_validate', $step);
- return 0 if ! $self->run_hook('validate', $step);
+ return 0 if ! $self->run_hook('validate', $step, $self->form);
return 1;
}
sub ready_validate {
- my $self = shift;
- my $step = shift;
-
+ my ($self, $step) = @_;
return ($ENV{'REQUEST_METHOD'} && $ENV{'REQUEST_METHOD'} eq 'POST') ? 1 : 0;
}
-sub set_ready_validate {
- my ($self, $ready) = @_;
- $ENV{'REQUEST_METHOD'} = ($ready) ? 'POST' : 'GET';
+sub set_ready_validate { # hook and method
+ my $self = shift;
+ my ($step, $is_ready) = (@_ == 2) ? @_ : (undef, shift);
+ $ENV{'REQUEST_METHOD'} = ($is_ready) ? 'POST' : 'GET';
+ return $is_ready;
}
sub validate {
- my $self = shift;
- my $step = shift;
- my $form = shift || $self->form;
+ my ($self, $step, $form) = @_;
+
my $hash = $self->run_hook('hash_validation', $step);
my $what_was_validated = [];