I have to display different medical forms according to which state the user is in. There is also a default form that many of the states share. These medical forms are all written in Template Toolkit and they are included in larger templates. The state is available as a variable in a normalized form.
I need to select the state-specific template, if it exists, otherwise fall back to the default. How would I best go about doing this?
INCLUDE_PATH
is already being used to control switching between site styles.
Something like this should do the job:
main.tt:
This is a main template [% GET state %]
[% SET iname = state _ ".tt" %]
[% TRY %]
[% INCLUDE "$iname" %]
[% CATCH %]
[% INCLUDE default.tt %]
[% END %]
End of main template
default.tt:
This is default template
s1.tt:
This is template for state s1.
t.pl:
#! /usr/bin/perl
use 5.006;
use strict;
use warnings;
use Template;
my $tt = Template->new();
$tt->process("main.tt", { state => "s1" })
|| die $tt->error, "\n";
print "---------\n";
$tt->process("main.tt", { state => "unknown" })
|| die $tt->error, "\n";
When running t.pl
:
This is a main template s1
This is template for state s1.
End of main template
---------
This is a main template unknown
This is default template
End of main template
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