compatibilityCheck()) { return; } $this->init(); } if ( get_option('flattr_aut_page', 'off') == 'on' || get_option('flattr_aut', 'off') == 'on' ) { remove_filter('get_the_excerpt', 'wp_trim_excerpt'); add_filter('the_content', array($this, 'injectIntoTheContent'),11); add_filter('get_the_excerpt', array($this, 'filterGetExcerpt'), 1); } } protected function addAdminNoticeMessage($msg) { if (!isset($this->adminNoticeMessages)) { $this->adminNoticeMessages = array(); add_action( 'admin_notices', array(&$this, 'adminNotice') ); } $this->adminNoticeMessages[] = $msg; } public function adminNotice() { echo '

'; foreach($this->adminNoticeMessages as $msg) { echo "

{$msg}

"; } echo '

'; } protected function compatibilityCheck() { global $wp_version; if (version_compare(PHP_VERSION, self::PHP_MIN_VER, '<')) { $this->addAdminNoticeMessage('Warning: The Flattr plugin requires PHP5. You are currently using '. PHP_VERSION); add_action( 'admin_notices', array(&$this, 'adminNotice') ); return false; } if (version_compare($wp_version, self::WP_MIN_VER, '<')) { $this->addAdminNoticeMessage('Warning: The Flattr plugin requires WordPress '. self::WP_MIN_VER .' or later. You are currently using '. $wp_version); return false; } return true; } public function getBasePath() { if (!isset($this->basePath)) { $this->basePath = WP_PLUGIN_DIR . '/' . plugin_basename( dirname(__FILE__) ) . '/'; } return $this->basePath; } public function getButton($skipOptionCheck = false) { global $post; if ( ! $skipOptionCheck && ( ($post->post_type == 'page' && get_option('flattr_aut_page', 'off') != 'on') || ($post->post_type != 'page' && get_option('flattr_aut', 'off') != 'on') || is_feed() ) ) { return ''; } if (get_post_meta($post->ID, '_flattr_btn_disabled', true)) { return ''; } $selectedLanguage = get_post_meta($post->ID, '_flattr_post_language', true); if (empty($selectedLanguage)) { $selectedLanguage = get_option('flattr_lng'); } $selectedCategory = get_post_meta($post->ID, '_flattr_post_category', true); if (empty($selectedCategory)) { $selectedCategory = get_option('flattr_cat'); } $hidden = get_post_meta($post->ID, '_flattr_post_hidden', true); if ($hidden == '') { $hidden = get_option('flattr_hide', false); } $buttonData = array( 'user_id' => get_option('flattr_uid'), 'url' => get_permalink(), 'compact' => ( get_option('flattr_compact', false) ? true : false ), 'hide' => $hidden, 'language' => $selectedLanguage, 'category' => $selectedCategory, 'title' => get_the_title(), 'body' => $this->getExcerpt(), 'tag' => strip_tags(get_the_tag_list('', ',', '')) ); if (isset($buttonData['user_id'], $buttonData['url'], $buttonData['language'], $buttonData['category'])) { return $this->getButtonCode($buttonData); } } protected function getButtonCode($params) { $cleaner = create_function('$expression', "return trim(preg_replace('~\r\n|\r|\n~', ' ', addslashes(\$expression)));"); $output = "\n"; $output .= ''; return $output; } public static function getCategories() { return self::$categories; } public static function filterGetExcerpt($content) { $excerpt_length = apply_filters('excerpt_length', 55); $excerpt_more = apply_filters('excerpt_more', ' ' . '[...]'); return self::getExcerpt($excerpt_length) . $excerpt_more; } public static function getExcerpt($excerpt_max_length = 1024) { global $post; $excerpt = $post->post_excerpt; if (! $excerpt) { $excerpt = $post->post_content; } $excerpt = strip_shortcodes($excerpt); $excerpt = strip_tags($excerpt); $excerpt = str_replace(']]>', ']]>', $excerpt); $excerpt = preg_replace('/httpvh:\/\/[^ ]+/', '', $excerpt); // hack for smartyoutube plugin // Try to shorten without breaking words if ( strlen($excerpt) > $excerpt_max_length ) { $pos = strpos($excerpt, ' ', $excerpt_max_length); if ($pos !== false) { $excerpt = substr($excerpt, 0, $pos); } } // If excerpt still too long if (strlen($excerpt) > $excerpt_max_length) { $excerpt = substr($excerpt, 0, $excerpt_max_length); } // If excerpt can not be created because there is no text content if (strlen($excerpt) < 10) { $excerpt = "This post ist textless."; } return $excerpt; } public static function getInstance() { if (!self::$instance) { self::$instance = new self(); } return self::$instance; } public static function getLanguages() { if (!isset(self::$languages)) { include(Flattr::getInstance()->getBasePath() . 'languages.php'); self::$languages = $languages; } return self::$languages; } protected function init() { if (!$this->settings) { require_once($this->getBasePath() . 'settings.php'); $this->settings = new Flattr_Settings(); } if (!$this->postMetaHandler) { require_once($this->getBasePath() . 'postmeta.php'); $this->postMetaHandler = new Flattr_PostMeta(); } } public function setExcerpt($content) { global $post; return $post->post_content; } public function injectIntoTheContent($content) { return $content . $this->getButton(); } } Flattr::getInstance(); /** * returns the Flattr button * Use this from your template */ function get_the_flattr_permalink() { return Flattr::getInstance()->getButton(true); } /** * prints the Flattr button * Use this from your template */ function the_flattr_permalink() { echo(get_the_flattr_permalink()); }