/**
* Twig constructor.
*
* @param AbsMenuPage $menuPage
*
* @since 1.0.0
* @author Panagiotis Vagenas <*****@*****.**>
*/
public function __construct(AbsMenuPage $menuPage)
{
$basePath = $menuPage->getWpMenuPages()->getBasePath();
$this->defaultPaths[] = $basePath . '/' . IfcTemplateConstants::TEMPLATES_DIR;
$sysTmpDir = sys_get_temp_dir();
if (file_exists($sysTmpDir) && is_writable($sysTmpDir)) {
$this->cachePath = trailingslashit($sysTmpDir) . 'twig/cache';
}
$twigOptions = [];
if ($this->cachePath) {
$twigOptions['cache'] = $this->cachePath;
}
if (IfcConstants::DEV) {
$twigOptions['debug'] = true;
$twigOptions['auto_reload'] = true;
$twigOptions['strict_variables'] = true;
}
/**
* Allows the ability to define extra locations when looking for templates.
*
* @param array $templatePaths The template paths
*
* @since 1.0.0
*/
$templatePaths = apply_filters('MenuPages\\Templates\\Twig::templatePaths', $this->defaultPaths);
$this->twigLoader = new \Twig_Loader_Filesystem($templatePaths);
$this->twigEnvironment = new \Twig_Environment($this->twigLoader, $twigOptions);
$this->twigEnvironment->addExtension(new WpTwigExtension($menuPage));
if (IfcConstants::DEV) {
$this->twigEnvironment->addExtension(new \Twig_Extension_Debug());
}
}
/**
* Returns the *Singleton* instance of this class.
*
* @param AbsMenuPage $menuPage
*
* @return $this ::class The *Singleton* instance.
*/
public static function getInstance(AbsMenuPage $menuPage)
{
$class = get_called_class();
if (!isset(self::$instances[$menuPage->getMenuSlug()])) {
self::$instances[$menuPage->getMenuSlug()] = array();
}
if (!isset(self::$instances[$menuPage->getMenuSlug()][$class])) {
self::$instances[$menuPage->getMenuSlug()][$class] = new $class($menuPage);
}
return self::$instances[$menuPage->getMenuSlug()][$class];
}
/**
* Registers a menu page
*
* @param AbsMenuPage $menuPage The menu page instance to be registered
*
* @author Panagiotis Vagenas <*****@*****.**>
* @see WpMenuPages::$menuPages
* @since 1.0.0
*/
public function attachMenuPage(AbsMenuPage $menuPage)
{
if (isset($this->menuPages[$menuPage->getMenuSlug()])) {
user_error('A page with the slug "' . $menuPage->getMenuSlug() . '" is already registered');
}
$this->menuPages[$menuPage->getMenuSlug()] = $menuPage;
}
/**
* @return Twig
* @author Panagiotis Vagenas <*****@*****.**>
* @since 1.0.0
*/
public function getTwig()
{
return $this->menuPage->getTwig();
}
/**
* Each page instance should use this function to initialize options for her self
*
* @param AbsMenuPage $page A page to init options for
*
* @author Panagiotis Vagenas <*****@*****.**>
* @since 1.0.0
*/
public function maybeInitPageOptions(AbsMenuPage $page)
{
if (!isset($this->options[self::PAGE_OPT][$page->getMenuSlug()])) {
$this->options[self::PAGE_OPT][$page->getMenuSlug()] = [];
}
}