File views/helpers/be_html.php | BEdita API doc

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<?php
/*-----8<--------------------------------------------------------------------
 *
 * BEdita - a semantic content management framework
 *
 * Copyright 2015 ChannelWeb Srl, Chialab Srl
 *
 * This file is part of BEdita: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * BEdita is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with BEdita (see LICENSE.LGPL).
 * If not, see <http://gnu.org/licenses/lgpl-3.0.html>.
 *
 *------------------------------------------------------------------->8-----
 */

App::import('Helper', 'Html');

/**
 * BeHtmlHelper class.
 * Extends CakePHP HtmlHelper adding some functionality
 */
class BeHtmlHelper extends HtmlHelper {
    /**
     * Current language.
     *
     * @var string
     */
    protected $currLang = null;

    public function __construct(array $options = array()) {
        if (!empty($options['currLang'])) {
            $this->currLang = $options['currLang'];
        }
    }

    /**
     * Parses a URL involving Router.
     *
     * @see Router::parse()
     * @param mixed $url URL.
     * @param array $mergeParams Array of URL parameters to be merged to URL.
     * @return mixed Parsed URL.
     */
    private function parse ($url = null, array $mergeParams = null) {
        if (!is_array($url) && !preg_match('/^(https?|mailto|s?ftps?)/i', $url)) {
            $url = Router::parse($url);
            if (array_key_exists('named', $url) && is_array($url['named'])) {
                foreach ($url['named'] as $key => $val) {
                    array_push($url, $key . ':' . urlencode($val));
                }
                unset($url['named']);
            }
            if (array_key_exists('pass', $url)) {
                $url = array_merge($url, $url['pass']);
                unset($url['pass']);
            }
            unset($url['plugin']);
        }
        if (is_array($url) && !empty($mergeParams)) {
            $url = array_merge($url, $mergeParams);
        }
        if ((!empty($url['lang']) ? $url['lang'] : $this->currLang) == Configure::read('frontendLang')) {
            $url['lang'] = '';
        }
        return $url;
    }

    /**
     * Returns a formatted link, forcing Router to be involved in URL generation.
     *
     * @see HtmlHelper::link()
     * @param string $title Text to be wrapped within `<a>` tags.
     * @param mixed $url URL.
     * @param array $options Additional HTML attributes.
     * @param mixed $confirmMessage JS confirm message.
     * @param array $mergeParams Array of URL parameters to be merged to URL.
     * @return string HTML tag `<a>`.
     */
    public function link ($title, $url = null, array $options = null, $confirmMessage = false, array $mergeParams = null) {
        return parent::link($title, $this->parse($url, $mergeParams), $options, $confirmMessage);
    }

    /**
     * Returns a URL for the given action, forcing Router to be involved.
     *
     * @see Helper::url()
     * @param mixed $url URL.
     * @param boolean $full Full URL.
     * @param array $mergeParams Array of URL parameters to be merged to URL.
     * @return string URL.
     */
    public function url ($url = null, $full = false, array $mergeParams = null) {
        return parent::url($this->parse($url, $mergeParams), $full);
    }
    
    public function hyphen($text, $lang = null, $excludeSelectors = array('.formula'), $excludeSelectorDefaults = array('pre', 'code', 'embed', 'object', 'iframe', 'img', 'svg', 'video', 'audio', 'script', 'style', 'head', 'sub', 'sup')) {
        if (empty($lang)) {
            $lang = Configure::read('defaultLang');
        }
    
        App::Import('Vendor', 'simple_html_dom');
        App::import('Vendor', 'Hyphenator', array('file' => 'hyphenator' . DS . 'Hyphenator.php'));
    
        $hyphenator = ClassRegistry::getObject('Hyphenator');
        if (!$hyphenator) {
            $hyphenator = new Hyphenator();
            ClassRegistry::addObject('Hyphenator', $hyphenator);
        }
    
        $excludeSelectors = array_merge($excludeSelectorDefaults, $excludeSelectors);
        $restore = array();
        if (!empty($excludeSelectors)) {
            $html = str_get_html('<html><body>' . $text . '</body></html>');
            $body = $html->find('body', 0);
            $badsSelectors = implode(', ', $excludeSelectors);
            $bads = $body->find($badsSelectors);
            foreach ($bads as $bad) {
                if (empty($bad->beNotHyphen)) {
                    $innerBads = $bad->find($badsSelectors);
                    foreach ($innerBads as $innerBad) {
                        $innerBad->beNotHyphen = true;
                    }
                    $restore[] = $bad->innertext;
                    $bad->innertext = '<!-- be-not-hyphen-' . (count($restore) - 1) . ' -->';
                }
            }
            $text = $body->innertext;
        }
    
        $text = $hyphenator->hyphenate($text, $lang);
    
        foreach ($restore as $key => $value) {
            $text = str_replace('<!-- be-not-hyphen-' . $key . ' -->', $value, $text);
        }
    
        return $text;
    }

}

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