public function compareTemplate(Contao\DataContainer $dc)
	{
		$objCurrentFile = new Contao\File($dc->id);
		$strName = $objCurrentFile->filename;
		$strExtension = $objCurrentFile->extension;
		$arrTemplates = Contao\TemplateLoader::getFiles();
		$blnOverridesAnotherTpl = isset($arrTemplates[$strName]);

		$strPrefix = '';

		if (($pos = strpos($strName, '_')) !== false)
		{
			$strPrefix = substr($strName, 0, $pos + 1);
		}

		$strBuffer = '';
		$strCompareName = null;
		$strComparePath = null;

		// By default it's the original template to compare against
		if ($blnOverridesAnotherTpl)
		{
			$strCompareName = $strName;
			$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;

			if ($strComparePath !== null)
			{
				$strBuffer .= '<p class="tl_info" style="margin-bottom:1em">' . sprintf($GLOBALS['TL_LANG']['tl_templates']['overridesAnotherTpl'], $strComparePath) . '</p>';
			}
		}
		else
		{
			// Try to find the base template by strippig suffixes
			while (strpos($strName, '_') !== false)
			{
				$strName = substr($strName, 0, strrpos($strName, '_'));

				if (isset($arrTemplates[$strName]))
				{
					$strCompareName = $strName;
					$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;
					break;
				}
			}
		}

		// User selected template to compare against
		if (Contao\Input::post('from') && isset($arrTemplates[Contao\Input::post('from')]))
		{
			$strCompareName = Contao\Input::post('from');
			$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;
		}

		if ($strComparePath !== null)
		{
			$objCompareFile = new Contao\File($strComparePath);

			// Abort if one file is missing
			if (!$objCurrentFile->exists() || !$objCompareFile->exists())
			{
				throw new Contao\CoreBundle\Exception\InternalServerErrorException('The source or target file does not exist.');
			}

			$objDiff = new Diff($objCompareFile->getContentAsArray(), $objCurrentFile->getContentAsArray());
			$strDiff = $objDiff->render(new Contao\DiffRenderer(array('field'=>$dc->id)));

			// Identical versions
			if ($strDiff == '')
			{
				$strBuffer .= '<p>' . $GLOBALS['TL_LANG']['MSC']['identicalVersions'] . '</p>';
			}
			else
			{
				$strBuffer .= $strDiff;
			}
		}
		else
		{
			$strBuffer .= '<p class="tl_info">' . $GLOBALS['TL_LANG']['tl_templates']['pleaseSelect'] . '</p>';
		}

		// Templates to compare against
		$arrComparable = array();
		$intPrefixLength = \strlen($strPrefix);

		foreach ($arrTemplates as $k => $v)
		{
			if (substr($k, 0, $intPrefixLength) === $strPrefix)
			{
				$arrComparable[$k] = array
				(
					'version' => $k,
					'info'    => $k . '.' . $strExtension
				);
			}
		}

		$objTemplate = new Contao\BackendTemplate('be_diff');
		$objTemplate->staticTo = $dc->id;
		$objTemplate->versions = $arrComparable;
		$objTemplate->from = $strCompareName;
		$objTemplate->showLabel = Contao\StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['showDifferences']);
		$objTemplate->content = $strBuffer;
		$objTemplate->theme = Contao\Backend::getTheme();
		$objTemplate->base = Contao\Environment::get('base');
		$objTemplate->language = $GLOBALS['TL_LANGUAGE'];
		$objTemplate->title = Contao\StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['showDifferences']);
		$objTemplate->charset = Contao\Config::get('characterSet');

		Contao\Config::set('debugMode', false);

		throw new Contao\CoreBundle\Exception\ResponseException($objTemplate->getResponse());
	}
public function compareTemplate(Contao\DataContainer $dc)
	{
		$objCurrentFile = new Contao\File($dc->id);
		$strName = $objCurrentFile->filename;
		$strExtension = $objCurrentFile->extension;
		$arrTemplates = Contao\TemplateLoader::getFiles();
		$blnOverridesAnotherTpl = isset($arrTemplates[$strName]);

		$strPrefix = '';

		if (($pos = strpos($strName, '_')) !== false)
		{
			$strPrefix = substr($strName, 0, $pos + 1);
		}

		$strBuffer = '';
		$strCompareName = null;
		$strComparePath = null;

		
		if ($blnOverridesAnotherTpl)
		{
			$strCompareName = $strName;
			$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;

			if ($strComparePath !== null)
			{
				$strBuffer .= '<p class="tl_info" style="margin-bottom:1em">' . sprintf($GLOBALS['TL_LANG']['tl_templates']['overridesAnotherTpl'], $strComparePath) . '</p>';
			}
		}
		else
		{
			
			while (strpos($strName, '_') !== false)
			{
				$strName = substr($strName, 0, strrpos($strName, '_'));

				if (isset($arrTemplates[$strName]))
				{
					$strCompareName = $strName;
					$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;
					break;
				}
			}
		}

		
		if (Contao\Input::post('from') && isset($arrTemplates[Contao\Input::post('from')]))
		{
			$strCompareName = Contao\Input::post('from');
			$strComparePath = $arrTemplates[$strCompareName] . '/' .$strCompareName . '.' . $strExtension;
		}

		if ($strComparePath !== null)
		{
			$objCompareFile = new Contao\File($strComparePath);

			
			if (!$objCurrentFile->exists() || !$objCompareFile->exists())
			{
				throw new Contao\CoreBundle\Exception\InternalServerErrorException('The source or target file does not exist.');
			}

			$objDiff = new Diff($objCompareFile->getContentAsArray(), $objCurrentFile->getContentAsArray());
			$strDiff = $objDiff->render(new Contao\DiffRenderer(array('field'=>$dc->id)));

			
			if ($strDiff == '')
			{
				$strBuffer .= '<p>' . $GLOBALS['TL_LANG']['MSC']['identicalVersions'] . '</p>';
			}
			else
			{
				$strBuffer .= $strDiff;
			}
		}
		else
		{
			$strBuffer .= '<p class="tl_info">' . $GLOBALS['TL_LANG']['tl_templates']['pleaseSelect'] . '</p>';
		}

		
		$arrComparable = array();
		$intPrefixLength = \strlen($strPrefix);

		foreach ($arrTemplates as $k => $v)
		{
			if (substr($k, 0, $intPrefixLength) === $strPrefix)
			{
				$arrComparable[$k] = array
				(
					'version' => $k,
					'info'    => $k . '.' . $strExtension
				);
			}
		}

		$objTemplate = new Contao\BackendTemplate('be_diff');
		$objTemplate->staticTo = $dc->id;
		$objTemplate->versions = $arrComparable;
		$objTemplate->from = $strCompareName;
		$objTemplate->showLabel = Contao\StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['showDifferences']);
		$objTemplate->content = $strBuffer;
		$objTemplate->theme = Contao\Backend::getTheme();
		$objTemplate->base = Contao\Environment::get('base');
		$objTemplate->language = $GLOBALS['TL_LANGUAGE'];
		$objTemplate->title = Contao\StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['showDifferences']);
		$objTemplate->charset = Contao\Config::get('characterSet');

		Contao\Config::set('debugMode', false);

		throw new Contao\CoreBundle\Exception\ResponseException($objTemplate->getResponse());
	}
public function compareTemplate ( Contao \ DataContainer $ dc ) { $ objCurrentFile = new Contao \ File ( $ dc -> id ) ; $ strName = $ objCurrentFile -> filename ; $ strExtension = $ objCurrentFile -> extension ; $ arrTemplates = Contao \ TemplateLoader :: getFiles ( ) ; $ blnOverridesAnotherTpl = isset ( $ arrTemplates [ $ strName ] ) ; $ strPrefix = '' ; if ( ( $ pos = strpos ( $ strName , '_' ) ) !== false ) { $ strPrefix = substr ( $ strName , 0 , $ pos + 1 ) ; } $ strBuffer = '' ; $ strCompareName = null ; $ strComparePath = null ; // By default it's the original template to compare against if ( $ blnOverridesAnotherTpl ) { $ strCompareName = $ strName ; $ strComparePath = $ arrTemplates [ $ strCompareName ] . '/' . $ strCompareName . '.' . $ strExtension ; if ( $ strComparePath !== null ) { $ strBuffer .= '<p class="tl_info" style="margin-bottom:1em">' . sprintf ( $ GLOBALS [ 'TL_LANG' ] [ 'tl_templates' ] [ 'overridesAnotherTpl' ] , $ strComparePath ) . '</p>' ; } } else { // Try to find the base template by strippig suffixes while ( strpos ( $ strName , '_' ) !== false ) { $ strName = substr ( $ strName , 0 , strrpos ( $ strName , '_' ) ) ; if ( isset ( $ arrTemplates [ $ strName ] ) ) { $ strCompareName = $ strName ; $ strComparePath = $ arrTemplates [ $ strCompareName ] . '/' . $ strCompareName . '.' . $ strExtension ; break ; } } } // User selected template to compare against if ( Contao \ Input :: post ( 'from' ) && isset ( $ arrTemplates [ Contao \ Input :: post ( 'from' ) ] ) ) { $ strCompareName = Contao \ Input :: post ( 'from' ) ; $ strComparePath = $ arrTemplates [ $ strCompareName ] . '/' . $ strCompareName . '.' . $ strExtension ; } if ( $ strComparePath !== null ) { $ objCompareFile = new Contao \ File ( $ strComparePath ) ; // Abort if one file is missing if ( ! $ objCurrentFile -> exists ( ) || ! $ objCompareFile -> exists ( ) ) { throw new Contao \ CoreBundle \ Exception \ InternalServerErrorException ( 'The source or target file does not exist.' ) ; } $ objDiff = new Diff ( $ objCompareFile -> getContentAsArray ( ) , $ objCurrentFile -> getContentAsArray ( ) ) ; $ strDiff = $ objDiff -> render ( new Contao \ DiffRenderer ( array ( 'field' => $ dc -> id ) ) ) ; // Identical versions if ( $ strDiff == '' ) { $ strBuffer .= '<p>' . $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'identicalVersions' ] . '</p>' ; } else { $ strBuffer .= $ strDiff ; } } else { $ strBuffer .= '<p class="tl_info">' . $ GLOBALS [ 'TL_LANG' ] [ 'tl_templates' ] [ 'pleaseSelect' ] . '</p>' ; } // Templates to compare against $ arrComparable = array ( ) ; $ intPrefixLength = \ strlen ( $ strPrefix ) ; foreach ( $ arrTemplates as $ k => $ v ) { if ( substr ( $ k , 0 , $ intPrefixLength ) === $ strPrefix ) { $ arrComparable [ $ k ] = array ( 'version' => $ k , 'info' => $ k . '.' . $ strExtension ) ; } } $ objTemplate = new Contao \ BackendTemplate ( 'be_diff' ) ; $ objTemplate -> staticTo = $ dc -> id ; $ objTemplate -> versions = $ arrComparable ; $ objTemplate -> from = $ strCompareName ; $ objTemplate -> showLabel = Contao \ StringUtil :: specialchars ( $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'showDifferences' ] ) ; $ objTemplate -> content = $ strBuffer ; $ objTemplate -> theme = Contao \ Backend :: getTheme ( ) ; $ objTemplate -> base = Contao \ Environment :: get ( 'base' ) ; $ objTemplate -> language = $ GLOBALS [ 'TL_LANGUAGE' ] ; $ objTemplate -> title = Contao \ StringUtil :: specialchars ( $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'showDifferences' ] ) ; $ objTemplate -> charset = Contao \ Config :: get ( 'characterSet' ) ; Contao \ Config :: set ( 'debugMode' , false ) ; throw new Contao \ CoreBundle \ Exception \ ResponseException ( $ objTemplate -> getResponse ( ) ) ; }
Compares the current to the original template

@param Contao\DataContainer $dc

@throws Contao\CoreBundle\Exception\InternalServerErrorException
Compares the current to the original template