<?php
/**
* @package WPEmerge
* @author Atanas Angelov <hi@atanas.dev>
* @copyright 2017-2019 Atanas Angelov
* @license https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0
* @link https://wpemerge.com/
*/
namespace WPEmerge\View;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Response;
/**
* Render a view file with php.
*/
class PhpView implements ViewInterface {
use HasNameTrait, HasContextTrait;
/**
* PHP view engine.
*
* @var PhpViewEngine
*/
protected $engine = null;
/**
* Filepath to view.
*
* @var string
*/
protected $filepath = '';
/**
* Layout to use.
*
* @var ViewInterface|null
*/
protected $layout = null;
/**
* Constructor.
*
* @codeCoverageIgnore
* @param PhpViewEngine $engine
*/
public function __construct( PhpViewEngine $engine ) {
$this->engine = $engine;
}
/**
* Get filepath.
*
* @return string
*/
public function getFilepath() {
return $this->filepath;
}
/**
* Set filepath.
*
* @param string $filepath
* @return static $this
*/
public function setFilepath( $filepath ) {
$this->filepath = $filepath;
return $this;
}
/**
* Get layout.
*
* @return ViewInterface|null
*/
public function getLayout() {
return $this->layout;
}
/**
* Set layout.
*
* @param ViewInterface|null $layout
* @return static $this
*/
public function setLayout( $layout ) {
$this->layout = $layout;
return $this;
}
/**
* {@inheritDoc}
* @throws ViewException
*/
public function toString() {
if ( empty( $this->getName() ) ) {
throw new ViewException( 'View must have a name.' );
}
if ( empty( $this->getFilepath() ) ) {
throw new ViewException( 'View must have a filepath.' );
}
$this->engine->pushLayoutContent( $this );
if ( $this->getLayout() !== null ) {
return $this->getLayout()->toString();
}
return $this->engine->getLayoutContent();
}
/**
* {@inheritDoc}
* @throws ViewException
*/
public function toResponse() {
return (new Response())
->withHeader( 'Content-Type', 'text/html' )
->withBody( Psr7\stream_for( $this->toString() ) );
}
}