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<?php
/**
* Author: Hoang Ngo
*/
namespace Calotes\Base;
class View extends Component {
/**
* @var array
*/
public $blocks = [];
/**
* @var array
*/
public $params = [];
/**
* The template file in which this view should be rendered.
*
* @var null
*/
public $layout = null;
/**
* The file contains content of this view, relative path.
*
* @var null
*/
public $view_file = null;
/**
* @var array
*/
protected $_cache_stack = [];
/**
* The folder contains view files, absolute path.
*
* @var null
*/
private $_base_path = null;
public function __construct( $base_path ) {
$this->_base_path = $base_path;
}
/**
* Render a view file. This will be used to render a whole page.
* If a layout is defined, then we will render layout + view.
*
* @param $view
* @param array $params
*
* @return string
*/
public function render( $view, $params = [] ) {
$view_file = $this->_base_path . DIRECTORY_SEPARATOR . $view . '.php';
if ( is_file( $view_file ) ) {
$content = $this->render_php_file( $view_file, $params );
return $content;
}
return '';
}
/**
* @param $file
* @param array $params
*
* @return string
*/
private function render_php_file( $file, $params = [] ) {
ob_start();
ob_implicit_flush( false );
extract( $params, EXTR_OVERWRITE );
require $file;
return ob_get_clean();
}
/**
* Todo: need?
* Starting a cache block.
*/
public function begin_cache( $id ) {
ob_start();
$this->_cache_stack[ $id ] = null;
}
/**
* Todo: need?
* @param $id
*
* @return string
*/
public function end_cache( $id ) {
$cached = ob_get_clean();
$this->_cache_stack[ $id ] = $cached;
return $cached;
}
/**
* Todo: need?
* Get cache content cached.
*
* @param $id
*
* @return mixed|null
*/
public function get_cache( $id ) {
return isset( $this->_cache_stack[ $id ] ) ?? null;
}
}