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Specify the priority between path_info and param #2

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4833bf8
mode_param{'priority' => 'param'}
MaxPerl Nov 29, 2016
3b2f8a6
Add files via upload
MaxPerl Nov 29, 2016
af0fafe
Added doc and sub mode_param_priority
MaxPerl Dec 2, 2016
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47 changes: 46 additions & 1 deletion lib/CGI/Application.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -1965,6 +1965,27 @@ will try to set the run mode from the first part of $ENV{PATH_INFO} (before the
first "/"). To specify that you would rather get the run mode name from the 2nd
part of $ENV{PATH_INFO}:

$webapp->mode_param(
path_info=> 1,
param =>'rm',
priority => 'path'
);

With the option C<< 'priority' => 'param' >> you can determine, that, if a form
parameter is named that will contain the name of the run mode, this one should
also be used, if C<< path_info >> is set to a true value. This gives you more
flexibility. You can specify a run mode with a hidden field or with a button
and can display any path you want. Especially specifying a runmode with a button
as follows is now also possible, if mode_param{'path_info'} is set to a true
value:

<form action=\"/welcome/mode2\" method=\"post\">
<button name=\"rm\" value=\"mode3\">Go to mode3</button>
</form>

With C<< 'priority' => 'param' >> the runmode mode3 is opened, although
'/welcome/mode2' is displayed in the adress bar

$webapp->mode_param( path_info=> 2 );

This also demonstrates that you don't need to pass in the C<param> hash key. It will
Expand Down Expand Up @@ -2037,7 +2058,16 @@ sub mode_param {
# grab the requested field location
$pi = (split q'/', $pi)[$idx] || '';

$mode_param = (length $pi) ? { run_mode => $pi } : $mode_param;
# If priority is set to param and a formular field with the
# defined mode_param exist, do nothing (i.e. take ${param} see above,
# not path_info!
if ( $p{priority} eq 'param') {
$self->mode_param_priority( $p{priority} );
}

unless ($p{priority} eq 'param' && $self->query->param("$mode_param") ) {
$mode_param = (length $pi) ? { run_mode => $pi } : $mode_param;
}
}

}
Expand All @@ -2050,6 +2080,21 @@ sub mode_param {
return $self->{__MODE_PARAM};
}

sub mode_param_priority {
my $self = shift;
my ($mode_param_priority) = @_;

# First use? Create new __MODE_PARAM
$self->{__MODE_PARAM_PRIORITY} = '' unless (exists($self->{__MODE_PARAM_PRIORITY}));

# If data is provided, set it
if (defined $mode_param_priority and length $mode_param_priority) {
$self->{__MODE_PARAM_PRIORITY} = $mode_param_priority;
}

return $self->{__MODE_PARAM_PRIORITY};
}


=head3 prerun_mode()

Expand Down