NAME
    Tags::HTML::Login::Access - Tags helper for login access.

SYNOPSIS
     use Tags::HTML::Login::Access;

     my $obj = Tags::HTML::Login::Access->new(%params);
     $obj->process($message_ar);
     $obj->process_css($message_types_hr);

METHODS
  "new"
     my $obj = Tags::HTML::Login::Access->new(%params);

    Constructor.

    Returns instance of object.

    *       "css"

            CSS::Struct::Output object for process_css processing.

            Default value is undef.

    *       "css_access"

            CSS class for access box.

            Default value is 'form-login'.

    *       "form_method"

            Form method.

            Possible values are 'post' and 'get'.

            Default value is 'post'.

    *       "lang"

            Language in ISO 639-2 code.

            Default value is 'eng'.

    *       "logo_image_url"

            URL to logo image.

            Default value is undef.

    *       "register_url"

            URL to registration page.

            Default value is undef.

    *       "tags"

            Tags::Output object.

            Default value is undef.

    *       "tags_after"

            Reference to array with Tags code which will be placed after
            form.

            Default value is [].

    *       "text"

            Hash reference with keys defined language in ISO 639-2 code and
            value with hash reference with texts.

            Required keys are 'login', 'password_label', 'username_label'
            and 'submit'.

            Default value is:

             {
                    'eng' => {
                            'login' => 'Login',
                            'password_label' => 'Password',
                            'username_label' => 'User name',
                            'submit' => 'Login',
                    },
             }

  "process"
     $obj->process($message_ar);

    Process Tags structure for login box.

    Reference to array with message objects $message_ar must be a instance
    of Data::Message::Simple object.

    Returns undef.

  "process_css"
     $obj->process_css($message_types_hr);

    Process CSS::Struct structure for login box.

    Variable $message_type_hr is reference to hash with keys for message
    type and value for color in CSS style. Possible message types are info
    and error now. Types are defined in Data::Message::Simple.

    Returns undef.

ERRORS
     new():
             From Class::Utils::set_params():
                     Unknown parameter '%s'.
             From Mo::utils::check_array():
                     Parameter 'tags_after' must be a array.
                             Value: %s
                             Reference: %s
             From Mo::utils::CSS::check_css_unit():
                     Parameter 'width' doesn't contain number.
                             Value: %s
                     Parameter 'width' doesn't contain unit.
                             Value: %s
                     Parameter 'width' contain bad unit.
                             Unit: %s
                             Value: %s
             From Mo::utils::Language::check_language_639_2():
                     Parameter 'lang' doesn't contain valid ISO 639-2 code.
                             Codeset: %s
                             Value: %s
             From Tags::HTML::new():
                     Parameter 'css' must be a 'CSS::Struct::Output::*' class.
                     Parameter 'tags' must be a 'Tags::Output::*' class.

     process():
             From Tags::HTML::process():
                     Parameter 'tags' isn't defined.

     process_css():
             From Tags::HTML::process_css():
                     Parameter 'css' isn't defined.

EXAMPLE1
     use strict;
     use warnings;

     use CSS::Struct::Output::Indent;
     use Tags::HTML::Login::Access;
     use Tags::Output::Indent;

     # Object.
     my $css = CSS::Struct::Output::Indent->new;
     my $tags = Tags::Output::Indent->new;
     my $obj = Tags::HTML::Login::Access->new(
             'css' => $css,
             'tags' => $tags,
     );

     # Process login button.
     $obj->process_css;
     $obj->process;

     # Print out.
     print "CSS\n";
     print $css->flush."\n\n";
     print "HTML\n";
     print $tags->flush."\n";

     # Output:
     # CSS
     # .form-login {
     #      width: 300px;
     #      background-color: #f2f2f2;
     #      padding: 20px;
     #      border-radius: 5px;
     #      box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
     # }
     # .form-login fieldset {
     #      border: none;
     #      padding: 0;
     #      margin-bottom: 20px;
     # }
     # .form-login legend {
     #      font-weight: bold;
     #      margin-bottom: 10px;
     # }
     # .form-login p {
     #      margin: 0;
     #      padding: 10px 0;
     # }
     # .form-login label {
     #      display: block;
     #      font-weight: bold;
     #      margin-bottom: 5px;
     # }
     # .form-login input[type="text"], .form-login input[type="password"] {
     #      width: 100%;
     #      padding: 8px;
     #      border: 1px solid #ccc;
     #      border-radius: 3px;
     # }
     # .form-login button[type="submit"] {
     #      width: 100%;
     #      padding: 10px;
     #      background-color: #4CAF50;
     #      color: #fff;
     #      border: none;
     #      border-radius: 3px;
     #      cursor: pointer;
     # }
     # .form-login button[type="submit"]:hover {
     #      background-color: #45a049;
     # }
     # 
     # HTML
     # <form class="form-login" method="post">
     #   <fieldset>
     #     <legend>
     #       Login
     #     </legend>
     #     <p>
     #       <label for="username">
     #         User name
     #       </label>
     #       <input type="text" name="username" id="username" autofocus="autofocus">
     #       </input>
     #     </p>
     #     <p>
     #       <label for="password">
     #         Password
     #       </label>
     #       <input type="password" name="password" id="password">
     #       </input>
     #     </p>
     #     <p>
     #       <button type="submit" name="login" value="login">
     #         Login
     #       </button>
     #     </p>
     #   </fieldset>
     # </form>

EXAMPLE2
     use strict;
     use warnings;
 
     use CSS::Struct::Output::Indent;
     use Plack::App::Tags::HTML;
     use Plack::Runner;
     use Tags::HTML::Login::Access;
     use Tags::Output::Indent;
     use Unicode::UTF8 qw(decode_utf8);
 
     my $css = CSS::Struct::Output::Indent->new;
     my $tags = Tags::Output::Indent->new(
             'xml' => 1,
             'preserved' => ['style'],
     );
     my $login = Tags::HTML::Login::Access->new(
             'css' => $css,
             'tags' => $tags,
             'register_url' => '/register',
     );
     my $app = Plack::App::Tags::HTML->new(
             'component' => 'Tags::HTML::Container',
             'data' => [sub {
                     $login->process_css;
                     $login->process;
             }],
             'data_prepare' => [sub {
                     $login->process_css;
             }],
             'css' => $css,
             'tags' => $tags,
             'title' => 'Login and password',
     )->to_app;
     Plack::Runner->new->run($app);

     # Output screenshot is in images/ directory.

DEPENDENCIES
    Class::Utils, Error::Pure, List::Util, Mo::utils, Mo::utils::CSS,
    Mo::utils::Language, Readonly, Tags::HTML, Tags::HTML::Messages.

SEE ALSO
    Tags::HTML::Login::Button
        Tags helper for login button.

    Tags::HTML::Login::Register
        Tags helper for login register.

REPOSITORY
    <https://github.com/michal-josef-spacek/Tags-HTML-Login-Access>

AUTHOR
    Michal Josef Špaček <mailto:skim@cpan.org>

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2021-2024 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.13