';
/**
* @var Twig_Environment
*/
private $twig;
public function __construct()
{
$loader = $this->getDefaultThemeLoader();
$this->addPluginNamespaces($loader);
// If theme != default we need to chain
$chainLoader = new Twig_Loader_Chain(array($loader));
// Create new Twig Environment and set cache dir
$this->twig = new Twig_Environment($chainLoader,
array(
'debug' => true, // to use {{ dump(var) }} in twig templates
'strict_variables' => true, // throw an exception if variables are invalid
'cache' => PIWIK_USER_PATH . '/tmp/templates_c',
)
);
$this->twig->addExtension(new Twig_Extension_Debug());
$this->twig->clearTemplateCache();
$this->addFilter_translate();
$this->addFilter_urlRewriteWithParameters();
$this->addFilter_sumTime();
$this->addFilter_money();
$this->addFilter_truncate();
$this->twig->addFilter(new Twig_SimpleFilter('implode', 'implode'));
$this->addFunction_includeAssets();
$this->addFunction_linkTo();
$this->addFunction_sparkline();
$this->addFunction_postEvent();
$this->addFunction_isPluginLoaded();
}
protected function addFunction_isPluginLoaded()
{
$isPluginLoadedFunction = new Twig_SimpleFunction('isPluginLoaded', function ($pluginName) {
return PluginsManager::getInstance()->isPluginLoaded($pluginName);
});
$this->twig->addFunction($isPluginLoadedFunction);
}
protected function addFunction_includeAssets()
{
$includeAssetsFunction = new Twig_SimpleFunction('includeAssets', function ($params) {
if (!isset($params['type'])) {
throw new Exception("The function includeAssets needs a 'type' parameter.");
}
$assetType = strtolower($params['type']);
switch ($assetType) {
case 'css':
return AssetManager::getCssAssets();
case 'js':
return AssetManager::getJsAssets();
default:
throw new Exception("The twig function includeAssets 'type' parameter needs to be either 'css' or 'js'.");
}
});
$this->twig->addFunction($includeAssetsFunction);
}
protected function addFunction_postEvent()
{
$postEventFunction = new Twig_SimpleFunction('postEvent', function ($eventName) {
$str = '';
Piwik_PostEvent($eventName, array(&$str));
return $str;
}, array('is_safe' => array('html')));
$this->twig->addFunction($postEventFunction);
}
protected function addFunction_sparkline()
{
$sparklineFunction = new Twig_SimpleFunction('sparkline', function ($src) {
$width = Sparkline::DEFAULT_WIDTH;
$height = Sparkline::DEFAULT_HEIGHT;
return sprintf(Twig::SPARKLINE_TEMPLATE, $src, $width, $height);
}, array('is_safe' => array('html')));
$this->twig->addFunction($sparklineFunction);
}
protected function addFunction_linkTo()
{
$urlFunction = new Twig_SimpleFunction('linkTo', function ($params) {
return 'index.php' . Url::getCurrentQueryStringWithParametersModified($params);
});
$this->twig->addFunction($urlFunction);
}
/**
* @return Twig_Loader_Filesystem
*/
private function getDefaultThemeLoader()
{
$themeLoader = new Twig_Loader_Filesystem(array(
sprintf("%s/plugins/%s/templates/", PIWIK_INCLUDE_PATH, PluginsManager::DEFAULT_THEME)
));
return $themeLoader;
}
public function getTwigEnvironment()
{
return $this->twig;
}
protected function addFilter_truncate()
{
$truncateFilter = new Twig_SimpleFilter('truncate', function ($string, $size) {
if (strlen($string) < $size) {
return $string;
} else {
$array = str_split($string, $size);
return array_shift($array) . "...";
}
});
$this->twig->addFilter($truncateFilter);
}
protected function addFilter_money()
{
$moneyFilter = new Twig_SimpleFilter('money', function ($amount) {
if (func_num_args() != 2) {
throw new Exception('the money modifier expects one parameter: the idSite.');
}
$idSite = func_get_args();
$idSite = $idSite[1];
return MetricsFormatter::getPrettyMoney($amount, $idSite);
});
$this->twig->addFilter($moneyFilter);
}
protected function addFilter_sumTime()
{
$sumtimeFilter = new Twig_SimpleFilter('sumtime', function ($numberOfSeconds) {
return MetricsFormatter::getPrettyTimeFromSeconds($numberOfSeconds);
});
$this->twig->addFilter($sumtimeFilter);
}
protected function addFilter_urlRewriteWithParameters()
{
$urlRewriteFilter = new Twig_SimpleFilter('urlRewriteWithParameters', function ($parameters) {
$parameters['updated'] = null;
$url = Url::getCurrentQueryStringWithParametersModified($parameters);
return $url;
});
$this->twig->addFilter($urlRewriteFilter);
}
protected function addFilter_translate()
{
$translateFilter = new Twig_SimpleFilter('translate', function ($stringToken) {
if (func_num_args() <= 1) {
$aValues = array();
} else {
$aValues = func_get_args();
array_shift($aValues);
}
try {
$stringTranslated = Piwik_Translate($stringToken, $aValues);
} catch (Exception $e) {
$stringTranslated = $stringToken;
}
return $stringTranslated;
});
$this->twig->addFilter($translateFilter);
}
private function addPluginNamespaces(Twig_Loader_Filesystem $loader)
{
$plugins = PluginsManager::getInstance()->getLoadedPluginsName();
foreach ($plugins as $name) {
$path = sprintf("%s/plugins/%s/templates/", PIWIK_INCLUDE_PATH, $name);
if (is_dir($path)) {
$loader->addPath(PIWIK_INCLUDE_PATH . '/plugins/' . $name . '/templates', $name);
}
}
}
/**
* Prepend relative paths with absolute Piwik path
*
* @param string $value relative path (pass by reference)
* @param int $key (don't care)
* @param string $path Piwik root
*/
public static function addPiwikPath(&$value, $key, $path)
{
if ($value[0] != '/' && $value[0] != DIRECTORY_SEPARATOR) {
$value = $path . "/$value";
}
}
}