combo/syntax/accordion.php

<?php
/**
 * DokuWiki Syntax Plugin Combostrap.
 *
 */

use ComboStrap\PluginUtility;
use ComboStrap\Tag;
use ComboStrap\TagAttributes;

if (!defined('DOKU_INC')) {
    die();
}

if (!defined('DOKU_PLUGIN')) {
    define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
}

require_once(__DIR__ . '/../class/PluginUtility.php');

/**
 * All DokuWiki plugins to extend the parser/rendering mechanism
 * need to inherit from this class
 *
 * The name of the class must follow a pattern (don't change it)
 * ie:
 *    syntax_plugin_PluginName_ComponentName
 *
 * https://getbootstrap.com/docs/4.6/components/collapse/#accordion-example
 *
 * Ter info:
 * https://jqueryui.com/accordion/
 *
 * See also: https://getbootstrap.com/docs/5.0/content/reboot/#summary
 * with a pointer
 *
 */
class syntax_plugin_combo_accordion extends DokuWiki_Syntax_Plugin
{


    const TAG = 'accordion';

    /**
     * @var int a counter to give an id to the accordion card
     */
    private $accordionCounter = 0;

    /**
     * Syntax Type.
     *
     * Needs to return one of the mode types defined in $PARSER_MODES in parser.php
     * @see DokuWiki_Syntax_Plugin::getType()
     */
    function getType()
    {
        return 'container';
    }

    /**
     * @return array
     * Allow which kind of plugin inside
     *
     * One of array('container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs')
     * 'baseonly' will run only in the base mode
     * because we manage self the content and we call self the parser
     *
     * Return an array of one or more of the mode types {@link $PARSER_MODES} in Parser.php
     */
    public function getAllowedTypes()
    {
        return array('container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs');
    }

    public function accepts($mode)
    {
        /**
         * header mode is disable to take over
         * and replace it with {@link syntax_plugin_combo_heading}
         */
        if ($mode == "header") {
            return false;
        }
        /**
         *
         */
        return syntax_plugin_combo_preformatted::disablePreformatted($mode);

    }

    /**
     * How Dokuwiki will add P element
     *
     * * 'normal' - The plugin can be used inside paragraphs
     *  * 'block'  - Open paragraphs need to be closed before plugin output - block should not be inside paragraphs
     *  * 'stack'  - Special case. Plugin wraps other paragraphs. - Stacks can contain paragraphs
     *
     * @see DokuWiki_Syntax_Plugin::getPType()
     */
    function getPType()
    {
        return 'block';
    }

    /**
     * @see Doku_Parser_Mode::getSort()
     * Higher number than the teaser-columns
     * because the mode with the lowest sort number will win out
     */
    function getSort()
    {
        return 200;
    }

    /**
     * Create a pattern that will called this plugin
     *
     * @param string $mode
     * @see Doku_Parser_Mode::connectTo()
     */
    function connectTo($mode)
    {


        $pattern = PluginUtility::getContainerTagPattern(self::TAG);
        $this->Lexer->addEntryPattern($pattern, $mode, PluginUtility::getModeForComponent($this->getPluginComponent()));


    }

    public function postConnect()
    {


        $this->Lexer->addExitPattern('</' . self::TAG . '>', PluginUtility::getModeForComponent($this->getPluginComponent()));


    }

    /**
     *
     * The handle function goal is to parse the matched syntax through the pattern function
     * and to return the result for use in the renderer
     * This result is always cached until the page is modified.
     * @param string $match
     * @param int $state
     * @param int $pos
     * @param Doku_Handler $handler
     * @return array|bool
     * @see DokuWiki_Syntax_Plugin::handle()
     *
     */
    function handle($match, $state, $pos, Doku_Handler $handler)
    {

        switch ($state) {

            case DOKU_LEXER_ENTER:

                $this->accordionCounter++;
                $attributes = PluginUtility::getTagAttributes($match);

                // Attributes has at
                // https://getbootstrap.com/docs/4.6/components/collapse/#accordion-example
                PluginUtility::addClass2Attributes("accordion", $attributes);
                if (!in_array("id", $attributes)) {
                    $attributes["id"] = self::TAG . $this->accordionCounter;
                }

                return array(
                    PluginUtility::STATE => $state,
                    PluginUtility::ATTRIBUTES => $attributes
                );

            case DOKU_LEXER_UNMATCHED :

                return PluginUtility::handleAndReturnUnmatchedData(self::TAG, $match, $handler);


            case DOKU_LEXER_EXIT :

                return array(
                    PluginUtility::STATE => $state
                );


        }

        return array();

    }

    /**
     * Render the output
     * @param string $format
     * @param Doku_Renderer $renderer
     * @param array $data - what the function handle() return'ed
     * @return boolean - rendered correctly? (however, returned value is not used at the moment)
     * @see DokuWiki_Syntax_Plugin::render()
     *
     *
     */
    function render($format, Doku_Renderer $renderer, $data)
    {

        if ($format == 'xhtml') {

            /** @var Doku_Renderer_xhtml $renderer */
            $state = $data[PluginUtility::STATE];
            switch ($state) {
                case DOKU_LEXER_ENTER:
                    $attributes = TagAttributes::createFromCallStackArray($data[PluginUtility::ATTRIBUTES]);
                    $renderer->doc .= $attributes->toHtmlEnterTag("div") . DOKU_LF;
                    break;
                case DOKU_LEXER_UNMATCHED:
                    $renderer->doc .= PluginUtility::renderUnmatched($data);
                    break;
                case DOKU_LEXER_EXIT:
                    $renderer->doc .= '</div>' . DOKU_LF;
                    break;
            }


            return true;
        }
        return false;
    }


}