| 1 |
<?php |
| 2 |
/** |
| 3 |
* @package VikWP - Libraries |
| 4 |
* @subpackage adapter.application |
| 5 |
* @author E4J s.r.l. |
| 6 |
* @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved. |
| 7 |
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 |
* @link https://vikwp.com |
| 9 |
*/ |
| 10 |
|
| 11 |
// No direct access |
| 12 |
defined('ABSPATH') or die('No script kiddies please!'); |
| 13 |
|
| 14 |
/** |
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* Document class, provides an easy interface to parse and display a document |
| 16 |
* using the Joomla standard functions. |
| 17 |
* |
| 18 |
* @since 10.0 |
| 19 |
*/ |
| 20 |
class JDocument |
| 21 |
{ |
| 22 |
/** |
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* An array to cache the meta data set using this class. |
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* |
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* @var array |
| 26 |
*/ |
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protected $data = []; |
| 28 |
|
| 29 |
/** |
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* A list containing all the style declarations loaded. |
| 31 |
* |
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* @var array |
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*/ |
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protected $styleDeclarations = []; |
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|
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/** |
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* Array of scripts options. |
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* |
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* @var array |
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* @since 10.1.14 |
| 41 |
*/ |
| 42 |
protected $scriptOptions = []; |
| 43 |
|
| 44 |
/** |
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* Array of scripts declarations to be |
| 46 |
* appended after the body. |
| 47 |
* |
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* @var array |
| 49 |
* @since 10.1.29 |
| 50 |
*/ |
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protected $ajaxScripts = []; |
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|
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/** |
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* Adds the possibility to override the callback used to register |
| 55 |
* something within the head. |
| 56 |
* |
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* @param callable |
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* @since 10.1.51 |
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*/ |
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public $attachToHeadCustomCallback = null; |
| 61 |
|
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/** |
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* Sets a meta tag in the front-end only. |
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* |
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* @param string $name Name of the meta HTML tag. |
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* @param mixed $content Value of the meta HTML tag as array or string. |
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* @param string $attribute Attribute to use in the meta HTML tag. |
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* |
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* @return self This object to support chaining. |
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* |
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* @since 10.1.66 Robots are now treated differently. |
| 72 |
* |
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* @uses attachToHead() |
| 74 |
*/ |
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public function setMetaData($name, $content, $attribute = 'name') |
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{ |
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if ($name === 'robots') |
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{ |
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add_filter('wp_robots', function($robots) use ($content) { |
| 80 |
if (!$content) |
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{ |
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return $robots; |
| 83 |
} |
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|
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$robots = []; |
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|
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// obtain all the directives from the content (separated by a comma) |
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$directives = preg_split("/\s*,\s*/", $content); |
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|
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foreach ($directives as $directive) |
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{ |
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// obtain key-val pairs (separated by a colon) |
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$directive = preg_split("/\s*:\s*/", $directive); |
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|
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$key = strtolower(array_shift($directive)); |
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|
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if (count($directive) == 0) |
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{ |
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// attribute only, use true as value |
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$val = true; |
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} |
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else |
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{ |
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$val = implode(':', $directive); |
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} |
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|
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$robots[$key] = $val; |
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} |
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|
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return $robots; |
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}); |
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} |
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else |
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{ |
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$attribute = empty($attribute) || !is_string($attribute) ? 'name' : $attribute; |
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|
| 117 |
if (is_scalar($content)) |
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{ |
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$content = array($content); |
| 120 |
} |
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|
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$this->attachToHead(function() use ($name, $content, $attribute) |
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{ |
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foreach ($content as $cont) |
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{ |
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echo "<meta {$attribute}=\"{$name}\" content=\"" . esc_attr($cont) . "\" />\n"; |
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} |
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}, true); |
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} |
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|
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$this->data[$name] = $content; |
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|
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return $this; |
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} |
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|
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/** |
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* Gets a meta tag. |
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* Since Wordpress doesn't own a system to handle meta data, |
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* we can only return a cached version of the data set using this class. |
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* |
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* @param string $name Name of the meta HTML tag. |
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* |
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* @return string |
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*/ |
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public function getMetaData($name) |
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{ |
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if (isset($this->data[$name])) |
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{ |
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return $this->data[$name]; |
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} |
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|
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return ''; |
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} |
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|
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/** |
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* Sets the title of the document in the front-end only. |
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* |
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* @param string $title The title to be set. |
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* |
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* @return self This object to support chaining. |
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* |
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* @link https://developer.wordpress.org/reference/hooks/wp_title/ (Wordpress < 4.4) |
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* @link https://developer.wordpress.org/reference/functions/wp_get_document_title/ (Wordpress 4.4+) |
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*/ |
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public function setTitle($title) |
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{ |
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/** |
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* We should use the hook 'pre_get_document_title' (available from WP >= v4.4), |
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* instead of 'wp_title', or the title won't actually be set. |
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* |
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* @since 10.1.23 |
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*/ |
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add_filter('pre_get_document_title', function() use ($title) |
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{ |
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return $title; |
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}); |
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|
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return $this; |
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} |
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|
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/** |
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* Return the title of the document. |
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* |
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* @return string |
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* |
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* @link https://developer.wordpress.org/reference/hooks/wp_title/ (Wordpress < 4.4) |
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* @link https://developer.wordpress.org/reference/functions/wp_get_document_title/ (Wordpress 4.4+) |
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*/ |
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public function getTitle() |
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{ |
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global $wp_version; |
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|
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if (version_compare($wp_version, '4.4', '>=')) |
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{ |
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return wp_get_document_title(); |
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} |
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|
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return wp_title('»', false); |
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} |
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|
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/** |
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* Sets the description of the document. |
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* |
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* @param string $desc The description to be set. |
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* |
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* @return self This object to support chaining. |
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* |
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* @uses setMetaData() |
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*/ |
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public function setDescription($desc) |
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{ |
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return $this->setMetaData('description', (string) $desc); |
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} |
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|
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/** |
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* Return the description of the document. |
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* |
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* @return string |
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* |
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* @uses getMetaData() |
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*/ |
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public function getDescription() |
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{ |
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return $this->getMetaData('description'); |
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} |
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|
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/** |
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* Adds a linked script to the page. |
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* |
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* @param string $url URL to the linked script. |
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* @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9') |
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* @param array $attribs Array of attributes. Example: array('id' => 'scriptid', 'async' => 'async', 'data-test' => 1) |
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* |
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* @return self This object to support chaining. |
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* |
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* @link https://developer.wordpress.org/reference/functions/wp_register_script/ |
| 237 |
*/ |
| 238 |
public function addScript($url, $options = [], $attribs = []) |
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{ |
| 240 |
// check if the script should be loaded using WP native libs |
| 241 |
$version = array_key_exists('version', $options) ? $options['version'] : null; |
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$footer = array_key_exists('footer', $options) ? (bool) $options['footer'] : false; |
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$id = empty($attribs['id']) ? md5($url) : $attribs['id']; |
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|
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/** |
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* Use filter to approve/deny the loading of the given script. |
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* |
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* @param boolean $load The recursive filtered value (default 'true'). |
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* @param string $url The resource URL. |
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* @param string $id The script ID attribute. |
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* @param string $version The script version, if specified. |
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* @param boolean $footer True whether the script is going to be loaded in the footer. |
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* |
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* @return boolean True to load the resource, false to ignore it. |
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* |
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* @since 10.1.25 |
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*/ |
| 258 |
$load = apply_filters('vik_before_include_script', true, $url, $id, $version, $footer); |
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|
| 260 |
if ($load) |
| 261 |
{ |
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// make sure this is not an AJAX call |
| 263 |
if (!wp_doing_ajax()) |
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{ |
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// if the headers have been sent, the script must be registered in the footer. |
| 266 |
if (headers_sent()) |
| 267 |
{ |
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$footer = true; |
| 269 |
} |
| 270 |
|
| 271 |
// the default array of dependencies |
| 272 |
$deps = [ |
| 273 |
'jquery-core', |
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'jquery-ui-core', |
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]; |
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|
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/** |
| 278 |
* Added support to custom dependencies. |
| 279 |
* |
| 280 |
* @since 10.1.38 |
| 281 |
*/ |
| 282 |
if (!empty($options['dependencies'])) |
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{ |
| 284 |
// join default dependencies with the given ones |
| 285 |
$deps = array_merge($deps, (array) $options['dependencies']); |
| 286 |
// get rid of duplicates |
| 287 |
$deps = array_values(array_unique($deps)); |
| 288 |
} |
| 289 |
|
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// loads scripts always after jQuery Core (included by Wordpress) |
| 291 |
wp_register_script($id, $url, $deps, $version, $footer); |
| 292 |
wp_enqueue_script($id); |
| 293 |
} |
| 294 |
// since the footer is already printed, we need to each our script directly |
| 295 |
else if ($url) |
| 296 |
{ |
| 297 |
if ($version) |
| 298 |
{ |
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$url .= '?ver=' . $version; |
| 300 |
} |
| 301 |
|
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echo '<script type="text/javascript" src="' . $url . '"></script>'; |
| 303 |
} |
| 304 |
} |
| 305 |
|
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return $this; |
| 307 |
} |
| 308 |
|
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/** |
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* Adds a script to the page. |
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* |
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* @param string $content Script snippet. |
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* @param string $type Scripting mime (defaults to 'text/javascript'). |
| 314 |
* |
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* @return self This object to support chaining. |
| 316 |
* |
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* @uses attachToHead() |
| 318 |
*/ |
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public function addScriptDeclaration($content, $type = 'text/javascript') |
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{ |
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/** |
| 322 |
* Always use the script declaration without checking |
| 323 |
* if it has been already loaded. |
| 324 |
* |
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* @since 10.1.17 |
| 326 |
*/ |
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$this->attachToHead(function() use ($content, $type) |
| 328 |
{ |
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/** |
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* Use "joomla-options new" class in case we are attaching a JSON string. |
| 331 |
* The "new" word means that the options has to be loaded. |
| 332 |
* |
| 333 |
* @since 10.1.14 |
| 334 |
*/ |
| 335 |
$class = $type == 'application/json' ? ' class="joomla-options new"' : ''; |
| 336 |
|
| 337 |
echo "<script type=\"{$type}\"{$class}>\n{$content}\n</script>\n"; |
| 338 |
}); |
| 339 |
|
| 340 |
return $this; |
| 341 |
} |
| 342 |
|
| 343 |
/** |
| 344 |
* Adds a linked stylesheet to the page. |
| 345 |
* |
| 346 |
* @param string $url URL to the linked style sheet. |
| 347 |
* @param array $options Array of options. Example: array('version' => 'auto', 'conditional' => 'lt IE 9') |
| 348 |
* @param array $attribs Array of attributes. Example: array('id' => 'stylesheet', 'data-test' => 1) |
| 349 |
* |
| 350 |
* @return self This object to support chaining. |
| 351 |
* |
| 352 |
* @link https://codex.wordpress.org/Function_Reference/wp_register_style |
| 353 |
*/ |
| 354 |
public function addStyleSheet($url, $options = [], $attribs = []) |
| 355 |
{ |
| 356 |
$version = array_key_exists('version', $options) ? $options['version'] : null; |
| 357 |
$media = array_key_exists('media', $options) ? (string) $options['media'] : 'all'; |
| 358 |
$id = empty($attribs['id']) ? md5($url) : $attribs['id']; |
| 359 |
|
| 360 |
/** |
| 361 |
* Use filter to approve/deny the loading of the given stylesheet. |
| 362 |
* |
| 363 |
* @param boolean $load The recursive filtered value (default 'true'). |
| 364 |
* @param string $url The resource URL. |
| 365 |
* @param string $id The stylesheet ID attribute. |
| 366 |
* @param string $version The stylesheet version, if specified. |
| 367 |
* |
| 368 |
* @return boolean True to load the resource, false to ignore it. |
| 369 |
* |
| 370 |
* @since 10.1.25 |
| 371 |
*/ |
| 372 |
$load = apply_filters('vik_before_include_style', true, $url, $id, $version); |
| 373 |
|
| 374 |
if ($load) |
| 375 |
{ |
| 376 |
// attach the style to the <head> only if the headers haven't been sent |
| 377 |
// and if we are not doing an AJAX call |
| 378 |
if (!headers_sent() && !wp_doing_ajax()) |
| 379 |
{ |
| 380 |
$deps = []; |
| 381 |
|
| 382 |
/** |
| 383 |
* Added support to custom dependencies. |
| 384 |
* |
| 385 |
* @since 10.1.38 |
| 386 |
*/ |
| 387 |
if (!empty($options['dependencies'])) |
| 388 |
{ |
| 389 |
// join default dependencies with the given ones |
| 390 |
$deps = array_merge($deps, (array) $options['dependencies']); |
| 391 |
// get rid of duplicates |
| 392 |
$deps = array_values(array_unique($deps)); |
| 393 |
} |
| 394 |
|
| 395 |
wp_register_style($id, $url, $deps, $version, $media); |
| 396 |
wp_enqueue_style($id); |
| 397 |
} |
| 398 |
// otherwise print the style in the document <body> |
| 399 |
else |
| 400 |
{ |
| 401 |
if ($version) |
| 402 |
{ |
| 403 |
$url .= '?ver=' . $version; |
| 404 |
} |
| 405 |
|
| 406 |
echo '<link rel="stylesheet" id="' . $id . '" href="' . $url . '" type="text/css" media="' . $media . '">'; |
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
return $this; |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* Adds a stylesheet declaration to the page. |
| 415 |
* |
| 416 |
* @param string $content Style declaration. |
| 417 |
* @param string $type Type of stylesheet (defaults to 'text/css'). |
| 418 |
* |
| 419 |
* @return self This object to support chaining. |
| 420 |
* |
| 421 |
* @uses attachToHead() |
| 422 |
*/ |
| 423 |
public function addStyleDeclaration($content, $type = 'text/css') |
| 424 |
{ |
| 425 |
if (!in_array($content, $this->styleDeclarations)) |
| 426 |
{ |
| 427 |
$this->attachToHead(function() use ($content, $type) |
| 428 |
{ |
| 429 |
echo "<style type=\"{$type}\">\n{$content}\n</style>\n"; |
| 430 |
}); |
| 431 |
|
| 432 |
$this->styleDeclarations[] = $content; |
| 433 |
} |
| 434 |
|
| 435 |
return $this; |
| 436 |
} |
| 437 |
|
| 438 |
/** |
| 439 |
* Internal method execute a callback within the <head> tags. |
| 440 |
* The callback will be attached to the wp_head or admin_head hooks |
| 441 |
* depending on the section we are currently using. |
| 442 |
* |
| 443 |
* @param mixed $callback The callback or the function name to attach. |
| 444 |
* @param boolean $frontOnly True to attach the method only in the front-end. |
| 445 |
* |
| 446 |
* @return void |
| 447 |
* |
| 448 |
* @link https://codex.wordpress.org/Plugin_API/Action_Reference/wp_head |
| 449 |
* @link https://codex.wordpress.org/Plugin_API/Action_Reference/admin_head |
| 450 |
* @link https://developer.wordpress.org/reference/hooks/wp_print_footer_scripts/ |
| 451 |
* @link https://developer.wordpress.org/reference/hooks/admin_print_footer_scripts/ |
| 452 |
*/ |
| 453 |
protected function attachToHead($callback, $frontOnly = false) |
| 454 |
{ |
| 455 |
$app = JFactory::getApplication(); |
| 456 |
|
| 457 |
// make sure we are in the front-end or the back-end is allowed |
| 458 |
if ($app->isSite() || !$frontOnly) |
| 459 |
{ |
| 460 |
/** |
| 461 |
* If provided, use the custom callback instead. |
| 462 |
* |
| 463 |
* @since 10.1.51 |
| 464 |
*/ |
| 465 |
if (is_callable($this->attachToHeadCustomCallback)) |
| 466 |
{ |
| 467 |
// invoke callback and teminate |
| 468 |
return call_user_func_array($this->attachToHeadCustomCallback, [$callback]); |
| 469 |
} |
| 470 |
|
| 471 |
// make sure we are not doing an AJAX call |
| 472 |
if (!wp_doing_ajax()) |
| 473 |
{ |
| 474 |
$head_hook = $app->isAdmin() ? 'admin_head' : 'wp_head'; |
| 475 |
|
| 476 |
// make sure that the head hook that we are using haven't been called yet, |
| 477 |
// otherwise our script will never be executed |
| 478 |
if (!headers_sent() && !did_action($head_hook)) |
| 479 |
{ |
| 480 |
// admin_head hook for the back-end <head> |
| 481 |
// wp_head hook for the front-end <head> |
| 482 |
add_action($head_hook, $callback); |
| 483 |
} |
| 484 |
else |
| 485 |
{ |
| 486 |
// admin_print_footer_scripts hook for the back-end <footer> |
| 487 |
// wp_footer wp_print_footer_scripts for the front-end <footer> |
| 488 |
add_action($app->isAdmin() ? 'admin_print_footer_scripts' : 'wp_print_footer_scripts', $callback); |
| 489 |
|
| 490 |
/** |
| 491 |
* NOTE: do not use 'wp_footer' hook because it prints the script declarations |
| 492 |
* always before the <script> tags, causing errors for missing resources. |
| 493 |
*/ |
| 494 |
} |
| 495 |
} |
| 496 |
// we need to invoke our callback directly |
| 497 |
else |
| 498 |
{ |
| 499 |
// push scripts within the AJAX callbacks |
| 500 |
$this->ajaxScripts[] = $callback; |
| 501 |
} |
| 502 |
} |
| 503 |
} |
| 504 |
|
| 505 |
/** |
| 506 |
* Returns the AJAX scripts that should be included after |
| 507 |
* the body in order to properly access all the needed elements. |
| 508 |
* |
| 509 |
* @return string |
| 510 |
* |
| 511 |
* @since 10.1.29 |
| 512 |
*/ |
| 513 |
public function getAjaxScripts() |
| 514 |
{ |
| 515 |
// start buffering |
| 516 |
ob_start(); |
| 517 |
|
| 518 |
// iterate registered scripts |
| 519 |
foreach ($this->ajaxScripts as $callback) |
| 520 |
{ |
| 521 |
// invoke the callback to print the script |
| 522 |
call_user_func($callback); |
| 523 |
} |
| 524 |
|
| 525 |
// catch buffer |
| 526 |
$js = ob_get_contents(); |
| 527 |
// clear buffer |
| 528 |
ob_end_clean(); |
| 529 |
|
| 530 |
// empty list |
| 531 |
$this->ajaxScripts = []; |
| 532 |
|
| 533 |
return $js; |
| 534 |
} |
| 535 |
|
| 536 |
/** |
| 537 |
* Add options for script. |
| 538 |
* |
| 539 |
* @param string $key Name in Storage. |
| 540 |
* @param mixed $options Scrip options as array or string. |
| 541 |
* @param boolean $merge Whether merge with existing (true) or replace (false). |
| 542 |
* |
| 543 |
* @return self This object to support chaining. |
| 544 |
* |
| 545 |
* @since 10.1.14 |
| 546 |
*/ |
| 547 |
public function addScriptOptions($key, $options, $merge = true) |
| 548 |
{ |
| 549 |
if (empty($this->scriptOptions[$key])) |
| 550 |
{ |
| 551 |
$this->scriptOptions[$key] = []; |
| 552 |
} |
| 553 |
|
| 554 |
if ($merge && is_array($options)) |
| 555 |
{ |
| 556 |
$this->scriptOptions[$key] = array_replace_recursive($this->scriptOptions[$key], $options); |
| 557 |
} |
| 558 |
else |
| 559 |
{ |
| 560 |
$this->scriptOptions[$key] = $options; |
| 561 |
} |
| 562 |
|
| 563 |
return $this; |
| 564 |
} |
| 565 |
|
| 566 |
/** |
| 567 |
* Get script(s) options. |
| 568 |
* |
| 569 |
* @param string $key Name in Storage. |
| 570 |
* |
| 571 |
* @return array Options for given $key, or all script options. |
| 572 |
* |
| 573 |
* @since 10.1.14 |
| 574 |
*/ |
| 575 |
public function getScriptOptions($key = null) |
| 576 |
{ |
| 577 |
if ($key) |
| 578 |
{ |
| 579 |
return (empty($this->scriptOptions[$key])) ? [] : $this->scriptOptions[$key]; |
| 580 |
} |
| 581 |
else |
| 582 |
{ |
| 583 |
return $this->scriptOptions; |
| 584 |
} |
| 585 |
} |
| 586 |
|
| 587 |
/** |
| 588 |
* Returns the document charset encoding. |
| 589 |
* |
| 590 |
* @return string |
| 591 |
* |
| 592 |
* @since 10.1.20 |
| 593 |
*/ |
| 594 |
public function getCharset() |
| 595 |
{ |
| 596 |
$output = get_option('blog_charset'); |
| 597 |
|
| 598 |
if (!$output) |
| 599 |
{ |
| 600 |
$output = 'UTF-8'; |
| 601 |
} |
| 602 |
|
| 603 |
return $output; |
| 604 |
} |
| 605 |
|
| 606 |
/** |
| 607 |
* Returns the document language. |
| 608 |
* |
| 609 |
* @return string |
| 610 |
* |
| 611 |
* @since 10.1.20 |
| 612 |
*/ |
| 613 |
public function getLanguage() |
| 614 |
{ |
| 615 |
return strtolower(JFactory::getLanguage()->getTag()); |
| 616 |
} |
| 617 |
|
| 618 |
/** |
| 619 |
* Returns the document direction declaration. |
| 620 |
* |
| 621 |
* @return string |
| 622 |
* |
| 623 |
* @since 10.1.20 |
| 624 |
*/ |
| 625 |
public function getDirection() |
| 626 |
{ |
| 627 |
if (function_exists('is_rtl')) |
| 628 |
{ |
| 629 |
$output = is_rtl() ? 'rtl' : 'ltr'; |
| 630 |
} |
| 631 |
else |
| 632 |
{ |
| 633 |
$output = 'ltr'; |
| 634 |
} |
| 635 |
|
| 636 |
return $output; |
| 637 |
} |
| 638 |
|
| 639 |
/** |
| 640 |
* Adds `<link>` tags to the head of the document. |
| 641 |
* |
| 642 |
* $relType defaults to 'rel' as it is the most common relation type used |
| 643 |
* ('rev' refers to reverse relation, 'rel' indicates normal, forward relation). |
| 644 |
* Typical tag: `<link href="index.php" rel="Start">`. |
| 645 |
* |
| 646 |
* @param string $href The link that is being related. |
| 647 |
* @param string $relation Relation of link. |
| 648 |
* @param string $relType Relation type attribute. Either rel or rev (default: 'rel'). |
| 649 |
* @param array $attribs Associative array of remaining attributes. |
| 650 |
* |
| 651 |
* @return self This object to support chaining. |
| 652 |
* |
| 653 |
* @since 10.1.48 |
| 654 |
*/ |
| 655 |
public function addHeadLink(string $href, string $relation, string $relType = 'rel', array $attribs = []) |
| 656 |
{ |
| 657 |
$this->attachToHead(function() use ($href, $relation, $relType, $attribs) |
| 658 |
{ |
| 659 |
JLoader::import('adapter.utilities.array'); |
| 660 |
echo "<link href=\"{$href}\" {$relType}=\"$relation\" " . ArrayHelper::toString($attribs) . " />\n"; |
| 661 |
}); |
| 662 |
|
| 663 |
return $this; |
| 664 |
} |
| 665 |
} |
| 666 |
|
