// // // In this example, let tal:attributes set the value of the alt attribute to // the text "Stop by for a visit!". This text will be passed to the // translation service, which uses the result of language negotiation to // translate "Stop by for a visit!" into the requested language. The example // text in the template, "Visit us", will simply be discarded. // // Another example, with explicit message IDs: // // // // Here, the message ID up-arrow-icon will be used to generate the link to // an icon image file, and the message ID up-arrow-alttext will be used for // the "alt" text. // /** * @package phptal.php.attribute */ class PHPTAL_Php_Attribute_I18N_Attributes extends PHPTAL_Php_Attribute { public function start() { // split attributes to translate $expressions = $this->tag->generator->splitExpression($this->expression); // foreach attribute foreach ($expressions as $exp){ list($attribute, $key) = $this->parseSetExpression($exp); // if the translation key is specified if ($key != null){ // we use it and replace the tag attribute with the result of // the translation $key = str_replace('\'', '\\\'', $key); $this->tag->attributes[$attribute] = $this->_getTranslationCode("'$key'"); } else if ($this->tag->isOverwrittenAttribute($attribute)){ $varn = $this->tag->getOverwrittenAttributeVarName($attribute); $this->tag->attributes[$attribute] = $this->_getTranslationCode($varn); } // else if the attribute has a default value else if ($this->tag->hasAttribute($attribute)){ // we use this default value as the translation key $key = $this->tag->getAttribute($attribute); $key = str_replace('\'', '\\\'', $key); $this->tag->attributes[$attribute] = $this->_getTranslationCode("'$key'"); } else { // unable to translate the attribute throw new PHPTAL_Exception("Unable to translate attribute $attribute"); } } } public function end() { } private function _getTranslationCode($key) { $code = 'setVar(\''.$name.'\','.phptal_tale($name).');'; // allow more complex TAL expressions } $code .= "\n"; } // notice the false boolean which indicate that the html is escaped // elsewhere looks like an hack doesn't it ? :) $result = $this->tag->generator->escapeCode(sprintf('$_translator->translate(%s, false)', $key)); $code .= 'echo '.$result.'?>'; return $code; } } ?>