NAME
    Tags::HTML::Message::Board - Tags helper for message board.

SYNOPSIS
     use Tags::HTML::Message::Board;

     my $obj = Tags::HTML::Message::Board->new(%params);
     $obj->cleanup;
     $obj->init($message_board);
     $obj->prepare;
     $obj->process;
     $obj->process_css;

DESCRIPTION
    Tags helper to print HTML page of message board.

    The page contains message and comments for message. Each message or
    comment contains information about author, date of creation and text.
    There is form for adding of comment after list of comments.

    This helper is created for usage in Plack::App::Message::Board plack
    application which is full application for page.

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

    Constructor.

    *       "css"

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

            Default value is undef.

    *       "css_class"

            CSS class for message board.

            Default value is 'message-board'.

    *       "lang"

            Language in ISO 639-3 code.

            Default value is 'eng'.

    *       "tags"

            Tags::Output object.

            Default value is undef.

    *       "text"

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

            Required keys are 'add_comment', 'author', 'date' and 'save'.

            Default value is:

             {
                    'eng' => {
                            'add_comment' => 'Add comment',
                            'author' => 'Author',
                            'date' => 'Date',
                            'save' => 'Save',
                    },
             }

    Returns instance of object.

  "cleanup"
     $obj->cleanup;

    Process cleanup after page run.

    Returns undef.

  "init"
     $obj->init($message_board);

    Initialize object. Variable $message_board is reference to array with
    Data::Message::Board instances.

    Returns undef.

  "prepare"
     $obj->prepare;

    Prepare object.

    Do nothing in this class.

    Returns undef.

  "process"
     $obj->process;

    Process Tags structure for message board.

    Returns undef.

  "process_css"
     $obj->process_css;

    Process CSS::Struct structure for message board.

    Returns undef.

ERRORS
     new():
             From Class::Utils::set_params():
                     Unknown parameter '%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.
             Number of texts isn't same as expected.
             Parameter 'text' is required.
             Parameter 'text' must be a hash with language texts.
             Texts for language '%s' doesn't exist.
             Text for lang '%s' and key '%s' doesn't exist.

     init():
             Data object must be a 'Data::Message::Board' instance.

     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::Message::Board;
     use Tags::Output::Indent;
     use Test::Shared::Fixture::Data::Message::Board::Example;

     # Object.
     my $css = CSS::Struct::Output::Indent->new;
     my $tags = Tags::Output::Indent->new(
             'no_simple' => ['textarea'],
             'preserved' => ['style', 'textarea'],
             'xml' => 1,
     );
     my $obj = Tags::HTML::Message::Board->new(
             'css' => $css,
             'tags' => $tags,
     );

     # Init.
     my $board = Test::Shared::Fixture::Data::Message::Board::Example->new;
     $obj->init($board);

     # Process message board.
     $obj->process_css;
     $obj->process;

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

     # Output:
     # CSS
     # .message-board .main-message {
     #      border: 1px solid #ccc;
     #      padding: 20px;
     #      border-radius: 5px;
     #      background-color: #f9f9f9;
     #      max-width: 600px;
     #      margin: auto;
     # }
     # .message-board .comments {
     #      max-width: 600px;
     #      margin: auto;
     # }
     # .message-board .comment {
     #      border-left: 2px solid #ccc;
     #      padding-left: 10px;
     #      margin-top: 20px;
     #      margin-left: 10px;
     # }
     # .author {
     #      font-weight: bold;
     #      font-size: 1.2em;
     # }
     # .comment .author {
     #      font-size: 1em;
     # }
     # .date {
     #      color: #555;
     #      font-size: 0.9em;
     #      margin-bottom: 10px;
     # }
     # .comment .date {
     #      font-size: 0.8em;
     # }
     # .text {
     #      margin-top: 10px;
     # }
     # textarea {
     #      width: 100%;
     #      padding: 12px 20px;
     #      margin: 8px 0;
     #      display: inline-block;
     #      border: 1px solid #ccc;
     #      border-radius: 4px;
     #      box-sizing: border-box;
     # }
     # button {
     #      width: 100%;
     #      background-color: #4CAF50;
     #      color: white;
     #      padding: 14px 20px;
     #      margin: 8px 0;
     #      border: none;
     #      border-radius: 4px;
     #      cursor: pointer;
     # }
     # button:hover {
     #      background-color: #45a049;
     # }
     # .message-board .add-comment {
     #      max-width: 600px;
     #      margin: auto;
     # }
     # .message-board .add-comment .title {
     #      margin-top: 20px;
     #      font-weight: bold;
     #      font-size: 1.2em;
     # }
     # button {
     #      margin: 0;
     # }
     # 
     # HTML
     # <div class="message-board">
     #   <div class="main-message">
     #     <div class="author">
     #       Author: John Wick
     #     </div>
     #     <div class="date">
     #       Date: 25.05.2024 17:53:20
     #     </div>
     #     <div class="text">
     #       How to install Perl?
     #     </div>
     #   </div>
     #   <div class="comments">
     #     <div class="comment">
     #       <div class="author">
     #         Author: Gregor Herrmann
     #       </div>
     #       <div class="date">
     #         Date: 25.05.2024 17:53:27
     #       </div>
     #       <div class="text">
     #         apt-get update; apt-get install perl;
     #       </div>
     #     </div>
     #     <div class="comment">
     #       <div class="author">
     #         Author: Emmanuel Seyman
     #       </div>
     #       <div class="date">
     #         Date: 25.05.2024 17:53:37
     #       </div>
     #       <div class="text">
     #         dnf update; dnf install perl-intepreter;
     #       </div>
     #     </div>
     #   </div>
     #   <div class="add-comment">
     #     <div class="title">
     #       Add comment
     #     </div>
     #     <form method="post">
     #       <textarea autofocus="autofocus" rows="6"></textarea>      <button type="button">
     #         Save
     #       </button>
     #     </form>
     #   </div>
     # </div>

EXAMPLE2
     use strict;
     use warnings;
 
     use CSS::Struct::Output::Indent;
     use Plack::App::Tags::HTML;
     use Plack::Runner;
     use Tags::HTML::Message::Board;
     use Tags::Output::Indent;
     use Test::Shared::Fixture::Data::Message::Board::Example;
 
     my $css = CSS::Struct::Output::Indent->new;
     my $tags = Tags::Output::Indent->new(
             'no_simple' => ['textarea'],
             'preserved' => ['style', 'textarea'],
             'xml' => 1,
     );
     my $message_board = Tags::HTML::Message::Board->new(
             'css' => $css,
             'tags' => $tags,
     );
     my $board = Test::Shared::Fixture::Data::Message::Board::Example->new;
     $message_board->process_css;
     my $app = Plack::App::Tags::HTML->new(
             'component' => 'Tags::HTML::Container',
             'data' => [sub {
                     my $self = shift;
                     $message_board->process_css;
                     $message_board->init($board);
                     $message_board->process;
                     return;
             }],
             'css' => $css,
             'tags' => $tags,
     )->to_app;
     Plack::Runner->new->run($app);

     # Output screenshot is in images/ directory.

DEPENDENCIES
    Class::Utils, Data::HTML::Element::Button,
    Data::HTML::Element::Textarea, Error::Pure, Mo::utils, Mo::utils::CSS,
    Mo::utils::Language, Readonly, Scalar::Util, Tags::HTML,
    Tags::HTML::Element::Button, Tags::HTML::Element::Textarea.

REPOSITORY
    <https://github.com/michal-josef-spacek/Tags-HTML-Message-Board>

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

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2024 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.01