<?php
/**
 * @copyright	Copyright (C) 2015 Cédric KEIFLIN alias ced1870
 * https://www.template-creator.com
 * https://www.joomlack.fr
 * @license		GNU/GPL
 * */
 
defined('_JEXEC') or die('Restricted access');
jimport('joomla.event.plugin');

class plgPagebuilderckCode extends \Joomla\CMS\Plugin\CMSPlugin {

	private $context = 'PLG_PAGEBUILDERCK_CODE';

	private $type = 'code';

	function __construct(&$subject, $params) {
		parent::__construct($subject, $params);
	}

	/* 
	 * Construct the Menu Item to drag into the interface
	 *
	 * Return Object with item data
	 */
	public function onPagebuilderckAddItemToMenu() {
		Pagebuilderck\CKFof::addStyleDeclaration('.ckcode.inner {min-height:75px;background-color:#efefef;border:1px solid #666;}');

		// load the language files of the plugin
		$this->loadLanguage();
		// create the menu item
		$menuitem = new stdClass();
		$menuitem->type = $this->type;
		$menuitem->title = Pagebuilderck\CKText::_($this->context . '_MENUITEM_TITLE');
		$menuitem->description = Pagebuilderck\CKText::_($this->context . '_MENUITEM_DESC');
		$menuitem->image = Pagebuilderck\CKUri::root(true) . '/plugins/pagebuilderck/code/assets/images/code.svg';

		return $menuitem;
	}

	/* 
	 * Display the html code for the item to be used into the interface
	 *
	 * Return String the html code
	 */
	public function onPagebuilderckLoadItemContentCode() {
		$input = Pagebuilderck\CKFof::getInput();
		$id = $input->get('ckid', '', 'string');
		// ckstyle and inner classes are needed to get the styles from the interface
		?>
		<div id="<?php echo $id; ?>" class="cktype" data-type="code">
			<div class="ckstyle"></div>
			<div class="ckcode inner"></div>
		</div>
		<?php
	}

	/* 
	 * Load the interface for the item edition
	 *
	 * Return String the html code
	 */
	public function onPagebuilderckLoadItemOptionsCode() {
		// load the language files of the plugin
		$this->loadLanguage();
		// load the interface for the options
		$tpl = JPATH_SITE . '/plugins/pagebuilderck/code/layouts/edit_code.php';
		return $tpl;
	}

	/* 
	 * Display the html code for the item to be used into the frontend page
	 * @param string the item object from simple_html_dom
	 * 
	 * Return String the html code
	 */
	public function onPagebuilderckRenderItemCode($item) {
		$code = $item->find('.ckcode')[0]->innertext;
		$hasPhp = strpos($code, 'ck-php');
		// ckstyle and inner classes are needed to get the styles from the interface
		$ckstyle = $item->find('.ckstyle');
		$styles = count($ckstyle) ? $ckstyle[0]->innertext : '';
		$html = '<div class="ckstyle">
				'. $styles . '
				</div>
				<div class="ckcode inner">';

		$code = str_replace (array(
			'&lt;'
			,'&gt;'
			,'&amp;'
			,'<!ck-php'
			,'php-!ck>'
			,'<!ck-'
			), array(
			'<'
			,'>'
			,'&'
			,'<?php'
			,'?>'
			,'<'
			)
			,$code);

		if ($hasPhp) {
			ob_start();
			$this->betterEval( htmlspecialchars_decode($code) );
			$code = ob_get_contents();
			ob_end_clean();
		}
		$html .= $code . '</div>';

		return $html;
	}

	private function betterEval($code) {
		$tmp = tmpfile ();
		$tmpf = stream_get_meta_data ( $tmp );
		$tmpf = $tmpf ['uri'];
		fwrite ( $tmp, $code );
		$ret = include ($tmpf);
		fclose ( $tmp );
		return $ret;
	}
}