enhancePostContent/_public.php

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of enhancePostContent, a plugin for Dotclear 2.
# 
# Copyright (c) 2009-2021 Jean-Christian Denis and contributors
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK ------------------------------------

if (!defined('DC_RC_PATH')) {

	return null;
}

require dirname(__FILE__).'/_widgets.php';

$core->blog->settings->addNamespace('enhancePostContent');

if ($core->blog->settings->enhancePostContent->enhancePostContent_active) {

	$core->addBehavior(
		'publicHeadContent',
		array('publicEnhancePostContent', 'publicHeadContent')
	);
	$core->addBehavior(
		'publicBeforeContentFilter',
		array('publicEnhancePostContent', 'publicContentFilter')
	);
}

/**
 * @ingroup DC_PLUGIN_ENHANCEPOSTCONTENT
 * @brief Filter posts content - public methods.
 * @since 2.6
 */
class publicEnhancePostContent
{
	/**
	 * Add filters CSS to page header
	 * 
	 * @param  dcCore $core dcCore instance
	 */
	public static function publicHeadContent(dcCore $core)
	{
		$filters = libEPC::blogFilters();
		
		foreach($filters as $name => $filter) {

			if (empty($filter['class']) 
			 || empty($filter['style'])
			) {
				continue;
			}

			$res = '';
			foreach($filter['class'] as $k => $class) {
				$style = html::escapeHTML(trim($filter['style'][$k]));
				if ('' != $style) {
					$res .= $class." {".$style."} ";
				}
			}

			if (!empty($res)) {
				echo 
				"\n<!-- CSS for enhancePostContent ".$name." --> \n".
				"<style type=\"text/css\"> ".$res."</style> \n";
			}
		}
	}

	/**
	 * Filter template blocks content
	 * 
	 * @param  dcCore $core dcCore instance
	 * @param  string $tag  Tempalte block name
	 * @param  array  $args Tempalte Block arguments
	 */
	public static function publicContentFilter(dcCore $core, $tag, $args)
	{
		$filters = libEPC::blogFilters();
		$records = new epcRecords($core);
		
		foreach($filters as $name => $filter) {

			if (!isset($filter['publicContentFilter'])
			 || !is_callable($filter['publicContentFilter']) 
			 || !libEPC::testContext($tag,$args,$filter)
			) {
				continue;
			}
			
			if ($filter['has_list']) {
				$filter['list'] = $records->getRecords(array(
					'epc_filter' => $name)
				);
				if ($filter['list']->isEmpty()) {
					continue;
				}
			}

			call_user_func_array(
				$filter['publicContentFilter'],
				array($core, $filter, $tag, $args)
			);
		}
	}
}