Files
iTop/sources/application/TwigBase/Twig/TwigHelper.php
2020-07-30 15:22:16 +02:00

127 lines
3.3 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2019 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
namespace Combodo\iTop\Application\TwigBase\Twig;
use IssueLog;
use Twig\Environment;
use Twig_Environment;
use Twig_Error;
use Twig_Loader_Filesystem;
use utils;
use WebPage;
/**
* Class TwigHelper
*
* @author Eric Espie <eric.espie@combodo.com>
* @package Combodo\iTop\Application\TwigBase\Twig
* @since 2.7.0
*/
class TwigHelper
{
/**
* @var string ENUM_FILE_TYPE_HTML
* @since 2.8.0
*/
const ENUM_FILE_TYPE_HTML = 'html';
/**
* @var string ENUM_FILE_TYPE_JS
* @since 2.8.0
*/
const ENUM_FILE_TYPE_JS = 'js';
/**
* @var string ENUM_FILE_TYPE_CSS
* @since 2.8.0
*/
const ENUM_FILE_TYPE_CSS = 'css';
/**
* @var string DEFAULT_FILE_TYPE
* @since 2.8.0
*/
const DEFAULT_FILE_TYPE = self::ENUM_FILE_TYPE_HTML;
/**
* Return a TWIG environment instance looking for templates under $sViewPath.
* This is not a singleton as we might want to use several instances with different base path.
*
* @param string $sViewPath
*
* @return \Twig_Environment
*/
public static function GetTwigEnvironment($sViewPath)
{
$oLoader = new Twig_Loader_Filesystem($sViewPath);
$oTwig = new Twig_Environment($oLoader);
Extension::RegisterTwigExtensions($oTwig);
if (!utils::IsDevelopmentEnvironment())
{
// Disable the cache in development environment
$sLocalPath = utils::LocalPath($sViewPath);
$sLocalPath = str_replace('env-'.utils::GetCurrentEnvironment(), 'twig', $sLocalPath);
$sCachePath = utils::GetCachePath().$sLocalPath;
$oTwig->setCache($sCachePath);
}
return $oTwig;
}
/**
* Display the twig page based on the name or the operation onto the page specified with SetPage().
* Use this method if you have to insert HTML into an existing page.
*
* @param \WebPage $oPage
* @param string $sViewPath Absolute path of the templates folder
* @param string $sTemplateName Name of the twig template, ie MyTemplate for MyTemplate.html.twig
* @param array $aParams Params used by the twig template
* @param string $sDefaultType default type of the template ('html', 'xml', ...)
*
* @throws \Exception
* @api
*/
public static function RenderIntoPage(WebPage $oPage, $sViewPath, $sTemplateName, $aParams = array(), $sDefaultType = self::DEFAULT_FILE_TYPE)
{
$oTwig = self::GetTwigEnvironment($sViewPath);
$oPage->add(self::RenderTemplate($oTwig, $aParams, $sTemplateName, $sDefaultType));
$oPage->add_script(self::RenderTemplate($oTwig, $aParams, $sTemplateName, 'js'));
$oPage->add_ready_script(self::RenderTemplate($oTwig, $aParams, $sTemplateName, 'ready.js'));
}
/**
* @param \Twig\Environment $oTwig
* @param array $aParams
* @param string $sName
* @param string $sTemplateFileExtension
*
* @return string
* @throws \Twig\Error\LoaderError
* @throws \Twig\Error\RuntimeError
* @throws \Twig\Error\SyntaxError
*/
public static function RenderTemplate(Environment $oTwig, $aParams, $sName, $sTemplateFileExtension = self::DEFAULT_FILE_TYPE)
{
try
{
return $oTwig->render($sName.'.'.$sTemplateFileExtension.'.twig', $aParams);
}
catch (Twig_Error $e)
{
if (!utils::StartsWith($e->getMessage(), 'Unable to find template'))
{
IssueLog::Error($e->getMessage());
}
else
{
IssueLog::Debug($e->getMessage());
}
}
return '';
}
}