NAME

Gantry - Web application framework for mod_perl, cgi, etc.

SYNOPSIS

use Gantry qw/-Engine=MP13 -TemplateEngine=Default/;
use Gantry qw/-Engine=MP13 -TemplateEngine=TT/;
use Gantry qw/-Engine=CGI  -TemplateEngine=TT/;
use Gantry qw/-Engine=MP20/;

DESCRIPTION

Note, if you want to know how to use Gantry, you should probably start by reading Gantry::Docs::QuickStart or Gantry::Docs::Tutorial.

Perl Web application framework for Apache/mod_perl. Object Oriented design for a pragmatic, modular approach to URL dispatching. Supports MVC (or VC, MC, C, take your pick) and initiates rapid development. This project offers an orgainized coding scheme for web applications.

METHODS

handler

This is the default handler that can be inherited it calls init, and cleanup. Methods to be called from this handler should be of the naming convention do_name. If this cannot be found then the autoloader is called to return declined. Methods should take $r, and any other parameters that are in the uri past the method name.

init

The init is called at the begining of each request and sets values such as, app_rootp, img_rootp, and other application set vars.

declined

$self->declined( 1 );

Set and unset the declined flag

relocate

$self->relocate( location );

This method can be called from any controller will relocated the user to the given location

redirect

$self->redirect( 1 );

Set and unset the redirect flag

no_cache

$self->no_cache( 1 );

Set and unset the no cache flag. This directive informs Apache to either send the the no_cache header or not.

template_disable

$self->template_disable( 1 );

Set and unset the template disable flag.

method

$self->method;
$self->method( $r->method );

Set/get the apache request method, either 'POST' or 'GET'

cleanroot

$self->cleanroot( uri, root );

Splits the URI and returns and array of the individual path locations.

cleanup

$self->cleanup

This method is called at the end of the request phase to cleanup, disconnect for a database, etc.

custom_error

Generates an error page. Feel free to override this to change the appearance of the error page.

get_cookies

$hash_ref_of_cookies = $self->get_cookies();
$cookie_value = $self->get_cookies( 'key_of_cookie' );

If called without any parameters, this method will return a reference to a hash of all cookie data. Otherwise, by passing a key to this method then the value for the requested cookie is returned.

set_cookie

$self->set_cookie( { 
   name => cookie name,
   value => cookie value,
   expire => cookie expires,
   path => cookie path,
   domain => cookie domain,
   secure => [0/1] cookie secure,
 } )

This method can be called repeatedly and it will create the cookie and push it into the response headers.

r - The Apache Request

$r = $self->r; 
$self->r( $r );

Set/get for apache request object

cgi

$cgi = $self->cgi; $self->cgi( CGI::Simple->new() );

Set/get for CGI::Simple object. See CGI::Simple docs. This method is only available when using the CGI engine.

uri

$uri = $self->uri; 
$self->uri( uri );

Set/get for server uri

location

$location = $self->location; 
$self->location( location );

Set/get for server location

current_url

$url_for_email = $self->current_url

Get the url of the current page. This combines protocol, base_server and uri to form a valid url suitable for inclusion in an email.

path_info

$path_info  = $self->path_info; $self->path_info( path_info );

Set/get for server path_info

content_type

$type = $self->content_type;
$self->content_type( 'text/html' );

Set/get for reponse content-type

content_length

$type = $self->content_length;
$self->content_length( $length );

Set/get for reponse content-length

root

$self->root( '/home/tkeefer/myapp/root' );
$root = $self->root;

Set/get for the root value. This value is the application root directory that stores the templates and other application specific files.

template

$self->template( 'some_template.tt' );

Set/get for template name for current request

The filename is relative to the $self->root value, otherwise it needs to be the full path to template file.

template_default

$self->template_default( 'some_default_template.tt' );

Set/get for a template default value. If a template has not been defined for the request, then the default template is called.

The filename is relative to the $self->root value, otherwise it needs to be the full path to template file.

template_wrapper

$self->template_wrapper( 'wrappers/wrapper.tt' );

Set/get for the template toolkit wrapper file. The wrapper does exactly as it says; it wrapper the ouput from the controller before the response is sent to the client.

The filename is relative to the $self->root value, otherwise it needs to be the full path to template file.

status

Dual accessor for the HTTP status of the page hit.

css_root

$self->css_root( '/home/tkeefer/myapp/root/css' );
$css_root = $self->css_root;

Set/get for the css_root value. This value is used to locate the css files on disk.

img_root

$self->img_root( '/home/tkeefer/myapp/root/images' );
$img_root = $self->img_root;

Set/get for the img_root value. This value is used to locate the application image files on disk.

app_rootp

$self->app_rootp( '/myapp' );
$app_rootp = $self->app_rootp;

Set/get for the app_rootp value. This value is used to identify the the root URI location for the web application.

img_rootp

$self->img_rootp( '/myapp' );
$img_rootp = $self->img_rootp;

Set/get for the img_rootp value. This value is used to identify the the root URI location for the web application images.

css_rootp

$self->css_rootp( '/myapp/style' );
$css_rootp = $self->css_rootp;

Set/get for the app_rootp value. This value is used to identify the the root URI location for the web application css files.

tmp_rootp

$self->tmp_rootp( '/myapp/tmp' );
$tmp_rootp = $self->tmp_rootp;

Set/get for the tmp_rootp value. This value is used to identify the the root URI location for the web application temporary files.

editor_rootp

$self->editor_rootp( '/fck' );
$editor_rootp = $self->editor_rootp;

Set/get for the editor_rootp value. This value is used to identify the the root URI location for the html editor.

tmp_root

$self->tmp_rootp( '/home/httpd/html/myapp/tmp' );
$tmp_root = $self->tmp_root;

Set/get for the tmp_root value. This value is used to identify the the root directory location for the web application temporary files.

stash

Use this to store things for your template system, etc. See Gantry::Stash.

smtp_host

An obscure accessor for storing smtp_host.

user

$self->user( $apache_connection_user );
$user = $self->user;

Set/get for the user value. Return the full user name of the active user. This value only exists if the user has successfully logged in.

get_auth_model_name

Always returns Gantry::Control::Model::auth_users. Override this method if you want a different auth model.

set_auth_model_name

Allows you to set the auth model name, but for this to work correctly, you must override get_auth_model_name. Otherwise your get request will always give the default value.

user_id

$user_id = $self->user_id( model => '', user_name => '' );
$user_id = $self->user_id;

Returns the user_id for the given user_name or for the currently logged in user, if no user_name parameter is passed. The user_id corresponds to the user_name found in the auth_users table. The user_id is generally used for changelog entries and tracking user activity within an app.

By default, the first time you call user_id or user_row during a request, the model will be set. It will be set to the value you pass in as model or the value returned by calling <$self-get_auth_model_name>>, if no model parameter is passed. This module has a get_auth_model_name that always returns 'Gantry::Control::Model::auth_users'. If you use a different model, override get_auth_model_name in your app's base module. We assume that your model has these methods: id and user_name.

user_row

$user_row = $self->user_row( model => '', user_name '' );
$user_row = $self->user_row;

The same as user_id, but it returns the whole model object (usually a representation of a database row).

If your models are based on DBIx::Class, or any other ORM which does not provide direct search calls on this models, you must implement a search method in your auth_users model like this:

sub search {
    my ( $class, $search_hash, $site_object, $extra_hash ) = @_;

    my $schema = $site_object->get_schema();

    return $schema->resultset( 'auth_users' )->search(
            $search_hash, $extra_hash
    );
}

user_row calls this method, but DBIx::Class does not provide it for the model. Further, the search it does provide is available through the resultset obtained from the schema. This module knows nothing about schema, but it passes the self object as shown above so you can fish it out of the site object.

page_title

$self->page_title( 'Gantry is for you' );
$page_title = $self->page_title;

Set/get for the page title value. This page title is passed to the template and used for the HTML page title. This can be set in either the Apache LOCATION block or in the contoller.

date_fmt

$self->date_fmt( '%m %d, %Y' );
$fmt = $self->date_fmt;

Set/get for the date format value. Used within the application for the default date format display.

post_max

$self->post_max( '4M' );
$post_max = $self->post_max;

Set/get for the apache request post_max value. See Apache::Request or Apache2::Request docs.

ap_req

$self->ap_req( api_call_to_apache );
$req = $self->ap_req;

Set/get for the apache request req object. See mod_perl documentation for intructions on how to use apache requets req.

get_param_hash

Always returns the params (from forms and the query string) as a hash (not a hash reference, a real hash).

params

$self->params( $self->ap_req );
$params = $self->params;

Set/get for the request parameters. Returns a reference to a hash of key value pairs.

protocol

$self->protocol( $ENV{HTTPS} ? 'https://' : 'http://' );
$protocol = $self->protocol;

Set/get for the request protocol. Value is either 'http://' or 'https://'. This is used to construct the full url to a resource on the local server.

get_conf

Pass this the name of the instance and (optionally) the ganty.conf file where the conf for that instance lives. Returns whatever Gantry::Conf->retrieve returns.

make_stash

For internal use. Makes a new stash. The old one is lost.

trim

For internal use in cleaning up Data::Dumper output for presentation on the default custom_error page.

schema_base_class

Not yet implemented. Currently you must code this in your model base class.

Dual use accessor so you can keep track of the base model class name when using DBIx::Class.

MODULES

Gantry::Stash

Main stash object for Gantry

Gantry::Utils::Model

Gantry's native object relational model base class

Gantry::Utils::DBIxClass

DBIx::Class base class for models

Gantry::Plugins::DBIxClassConn

Mixin providing get_schema which returns DBIx::Class::Schema for data models

Gantry::Utils::CDBI

Class::DBI base class for models

Gantry::Plugins::CRUD

Helper for flexible CRUD coding scheme.

Gantry::Plugins::AutoCRUD

provides a more automated approach to CRUD (Create, Retrieve, Update, Delete) support

Gantry::Plugins::Calendar

These module creates a couple calendar views that can be used by other applications and are highly customizeable.

Gantry::Engine::MP13

This module is the binding between the Gantry framework and the mod_perl API. This particluar module contains the mod_perl 1.0 specific bindings.

See mod_perl documentation for a more detailed description for some of these bindings.

Gantry::Engine::MP20

This module is the binding between the Gantry framework and the mod_perl API. This particluar module contains the mod_perl 2.0 specific bindings.

See mod_perl documentation for a more detailed description for some of these bindings.

Gantry::Control

This module is a library of useful access functions that would be used in other handlers, it also details the other modules that belong to the Control tree.

Gantry::Utils::DB

These functions wrap the common DBI calls to Databases with error checking.

Gantry::Template::TT

This is recommended templating system in use by by Gantry.

Gantry::Template::Default

This modules is used to to bypass a tempalting system and used if you prefer to output the raw text from within the controllers.

Gantry::Utils::HTML

Implements HTML tags in a browser non-specfic way conforming to 3.2 and above HTML specifications.

Gantry::Utils::SQL

This module supplies easy ways to make strings sql safe as well as allowing the creation of sql commands. All of these commands should work with any database as they do not do anything database specfic, well as far as I know anyways.

Gantry::Utils::Validate

This module allows the validation of many common types of input.

Gantry::Server

Stand alone web server used for testing Gantry applications and for quick delopment of Gantry applications. This server is not recommended for production use.

Gantry::Conf

Flexible configuration system for Gantry

LIMITATIONS

Limitations are listed in the modules they apply to.

JOIN US

Please visit http://www.usegantry.org for project information, sample applications, documentation and mailing list subscription instructions.

Web: http://www.usegantry.org

Mailing List: http://www.usegantry.org/mailinglists/

IRC: #gantry on irc.slashnet.org

AUTHOR

Tim Keefer <tkeefer@gmail.com>

Phil Crow <philcrow2000@yahoo.com>

Gantry was branched from Krkit version 0.16 Sat Jun 11 15:27:28 CDT 2005

COPYRIGHT and LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available.

To install Gantry, copy and paste the appropriate command in to your terminal.

cpanm

cpanm Gantry

CPAN shell

perl -MCPAN -e shell
install Gantry

For more information on module installation, please visit the detailed CPAN module installation guide.

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NAME

SYNOPSIS

DESCRIPTION

METHODS

MODULES

SEE ALSO

LIMITATIONS

JOIN US

AUTHOR

COPYRIGHT and LICENSE

Module Install Instructions