I find myself duplicating a lot of postrun code, so I'd like to move
that entire function up to a superclass file to centralize it.
My problem with doing that is that at I still have some logical
constructs that I need to set somewhere in each modules that are
module/runmode dependent.
For example: Javascript includes. I have several JS include files that
differ from between modules, and even between runmodes within the same
module. So I need some place to build these include strings in each
module that has access get_current_runnmode.
As I understand it, I can't reliably ell what runmode I'm in until
pre-run, so using setup is out. So I'm attempting to take a concept
I've read about for doing something similar in init in the Order of
Operations document (http://cgi-app.org/index.cgi?OrderOfOperations -
Solution #2) and apply it to postrun. /
/"In your Super Class module create a function that looks like:
sub app_module_init
{
my $self = shift;/
/# Nothing to init, yet/
}/ /
Then from the cgiapp_init() method in your Super Class module, make a
call to this new app_module_init() function. Since it's currently empty
it won't do anything, however, if you create an app_module_init()
function within your Application module it will overload the one from
your Super Class. It will now get called whenever cgiapp_init is called
in the Super Class. If a particular Application module doesn't have an
app_module_init() method in it, no harm done, the default empty one is
called in its place."/
So what I've done is created a module in my superclass:*
*sub app_module_define_JS*
* {*
* my $self = shift;*
* return;*
}*
I then call that module at the start of post run*
my $JSIncludes=&app_module_define_JS;*
As I understand it, if I put an app_module_define_JS sub in a module,
that function will be overloaded and the code in the module will execute
instead of the code in superclass. This doesn't happen. The code in
superclass always executes.
Can someone explain why?
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