97 lines
3.2 KiB
PHP
97 lines
3.2 KiB
PHP
<?php
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/**
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* Include plugin (permalink header component)
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*
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* Provides a header instruction which renders a permalink to the included page
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Gina Haeussge <osd@foosel.net>
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* @author Michael Klier <chi@chimeric.de>
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*/
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if (!defined('DOKU_INC'))
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define('DOKU_INC', realpath(dirname(__FILE__) . '/../../') . '/');
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if (!defined('DOKU_PLUGIN'))
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define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
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require_once (DOKU_PLUGIN . 'syntax.php');
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class syntax_plugin_include_header extends DokuWiki_Syntax_Plugin {
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function getType() {
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return 'formatting';
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}
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function getSort() {
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return 50;
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}
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function handle($match, $state, $pos, Doku_Handler $handler) {
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// this is a syntax plugin that doesn't offer any syntax, so there's nothing to handle by the parser
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}
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/**
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* Renders a permalink header.
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*
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* Code heavily copied from the header renderer from inc/parser/xhtml.php, just
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* added an href parameter to the anchor tag linking to the wikilink.
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*/
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function render($mode, Doku_Renderer $renderer, $data) {
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global $conf;
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list($headline, $lvl, $pos, $page, $sect, $flags) = $data;
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if ($mode == 'xhtml') {
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/** @var Doku_Renderer_xhtml $renderer */
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$hid = $renderer->_headerToLink($headline, true);
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$renderer->toc_additem($hid, $headline, $lvl);
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$url = ($sect) ? wl($page) . '#' . $sect : wl($page);
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$renderer->doc .= DOKU_LF.'<h' . $lvl;
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$classes = array();
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if($flags['taglogos']) {
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$tag = $this->_get_firsttag($page);
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if($tag) {
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$classes[] = 'include_firsttag__' . $tag;
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}
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}
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// the include header instruction is always at the beginning of the first section edit inside the include
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// wrap so there is no need to close a previous section edit.
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if ($lvl <= $conf['maxseclevel']) {
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$classes[] = $renderer->startSectionEdit($pos, 'section', $headline);
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}
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if ($classes) {
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$renderer->doc .= ' class="'. implode(' ', $classes) . '"';
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}
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$headline = $renderer->_xmlEntities($headline);
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$renderer->doc .= ' id="'.$hid.'"><a href="' . $url . '" title="' . $headline . '">';
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$renderer->doc .= $headline;
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$renderer->doc .= '</a></h' . $lvl . '>' . DOKU_LF;
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return true;
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} else {
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$renderer->header($headline, $lvl, $pos);
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}
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return false;
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}
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/**
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* Optionally add a CSS class for the first tag
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*
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* @author Michael Klier <chi@chimeric.de>
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*/
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function _get_firsttag($page) {
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if(plugin_isdisabled('tag') || (!$taghelper =& plugin_load('helper', 'tag'))) {
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return false;
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}
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$subject = p_get_metadata($page, 'subject');
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if (is_array($subject)) {
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$tag = $subject[0];
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} else {
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list($tag, $rest) = explode(' ', $subject, 2);
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}
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if($tag) {
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return $tag;
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} else {
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return false;
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}
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}
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}
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// vim:ts=4:sw=4:et:
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