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<?php |
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namespace library\components; |
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use library\cc\Request; |
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use library\storage\Storage; |
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class LanguageComponent implements Component |
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{ |
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protected $request; |
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protected $parameters; |
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protected $defaultLanguage = 'en'; |
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protected $acceptedLanguages = null; |
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protected $languageParameterName = 'language'; |
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protected $forceRedirect = false; |
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protected $sessionValues; |
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/** |
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* Component constructor. |
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* |
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* @param $template |
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* @param Request $request |
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* @param $parameters |
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* @param $matchedSitemapItem |
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*/ |
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public function __construct($template, Request $request, $parameters, $matchedSitemapItem) |
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{ |
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$this->parameters = (array) $parameters; |
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$this->checkParameters(); |
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$lang = substr(isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : $this->defaultLanguage, 0, 2); |
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$_SESSION['LanguageComponent']['detectedLanguage'] = $lang; |
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$this->checkLanguageSwitch($request); |
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if (!isset($_SESSION['LanguageComponent'][$this->languageParameterName])) { |
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$this->detectLanguage($lang, $request); |
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} |
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$this->parameters[$this->languageParameterName] = $_SESSION['LanguageComponent'][$this->languageParameterName]; |
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} |
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/** |
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* Checks to see if any parameters are given from the configuration in the CMS |
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*/ |
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private function checkParameters() |
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{ |
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if (isset($this->parameters['defaultLanguage'])) { |
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$this->defaultLanguage = $this->parameters['defaultLanguage']; |
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unset($this->parameters['defaultLanguage']); |
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} |
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if (isset($this->parameters['acceptedLanguages'])) { |
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$this->acceptedLanguages = explode(',', $this->parameters['acceptedLanguages']); |
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unset($this->parameters['acceptedLanguages']); |
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} |
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if (isset($this->parameters['languageParameterName'])) { |
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$this->languageParameterName = $this->parameters['languageParameterName']; |
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unset($this->parameters['languageParameterName']); |
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} |
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if (isset($this->parameters['forceRedirect'])) { |
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$this->forceRedirect = (bool) $this->parameters['forceRedirect']; |
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unset($this->parameters['forceRedirect']); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->parameters; |
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} |
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/** |
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* Check if the found language is allowed and |
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* if an action is to be taken. |
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* |
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* @param $lang |
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* @param $request |
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*/ |
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private function detectLanguage($lang, $request) |
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{ |
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$_SESSION['LanguageComponent'][$this->languageParameterName] = $this->defaultLanguage; |
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if ($this->acceptedLanguages === null) { |
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$_SESSION['LanguageComponent'][$this->languageParameterName] = $lang; |
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} else if (in_array($lang, $this->acceptedLanguages)) { |
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$_SESSION['LanguageComponent'][$this->languageParameterName] = $lang; |
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} else { |
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$lang = $this->defaultLanguage; |
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} |
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$this->sessionValues = $_SESSION['LanguageComponent']; |
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if ($this->forceRedirect === true) { |
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if (substr($request::$relativeUri, 0, 2) !== $lang && $lang !== $this->defaultLanguage) { // if default language detected, no redirect |
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header('Location: ' . $request::$subfolders . $lang . '/' . $request::$relativeUri); |
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exit; |
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} |
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} |
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} |
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/** |
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* Detect if the language is switched manually |
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* |
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* @param $request |
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*/ |
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private function checkLanguageSwitch($request) |
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{ |
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if (isset($request::$get['langSwitch'])) { |
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$this->forceRedirect = true; |
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$this->detectLanguage($request::$get['langSwitch'], $request); |
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} |
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} |
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/* |
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* These functions are required by the interface, but not for the functionality |
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*/ |
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121
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function run(Storage $storage) {} |
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function render() {} |
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123
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function get() {} |
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124
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} |
jenskooij /
cloudcontrol
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.