name == $metadata) require_once $file->filename; } } // } } if (class_exists($metadata)) { $this->metadata = new $metadata; } else { drupal_set_message(t('The metadata is not configured properly.'), 'error'); } } public function process($video) { $command_output = $this->metadata->process($video); return $command_output; } public function admin_settings() { $form = array(); $form['video_metadata'] = array( '#type' => 'checkbox', '#title' => t('Enable Metadata'), '#default_value' => variable_get('video_metadata', FALSE), '#description' => t('Metadata is particularly useful in video, where information about its contents (such as transcripts of conversations and text descriptions of its scenes) are not directly understandable by a computer, but where efficient search is desirable.'), ); $options = $this->_metadata(); $form['vid_metadata'] = array( '#type' => 'radios', '#title' => t('Video Metadata'), '#default_value' => variable_get('vid_metadata', 'flvtool2'), '#options' => $options['radios'], '#description' => t('!list', array('!list' => theme('item_list', $options['help']))), '#prefix' => '

', '#suffix' => '

', ); $form = $form + $options['admin_settings']; $form['video_metadata_dimensions'] = array( '#type' => 'textarea', '#title' => t('Selectable Dimensions when uploading videos'), '#description' => t('Enter one dimension per line as Video Resolutions. Each resolution must be in the form of WxH where W=Width and H=Height in pixels. Example dimensions are 1280x720.'), '#default_value' => variable_get("video_metadata_dimensions", video_default_dimensions()), ); return $form; } private function _metadata() { $files = array(); // Lets find our transcoder classes and build our radio options // We do this by scanning our transcoders folder $form = array('radios' => array(), 'help' => array(), 'admin_settings' => array()); $path = drupal_get_path('module', 'video') . '/metadata'; $files = file_scan_directory($path, '^.*\.inc$'); // check inside sub modules $modules = module_list(); foreach ($modules as $module) { $mobule_files = array(); $module_path = drupal_get_path('module', $module) . '/metadata'; $mobule_files = file_scan_directory($module_path, '^.*\.inc$'); $files = array_merge($files, $mobule_files); } foreach ($files as $file) { if (!module_load_include('inc', 'video', '/metadata/' . $file->name)) require_once $file->filename; $focus = new $file->name; $form['radios'][$focus->get_value()] = $focus->get_name(); $form['help'][] = $focus->get_help(); $form['admin_settings'] = $form['admin_settings'] + $focus->admin_settings(); } return $form; } public function admin_settings_validate($form, $form_state) { return $this->metadata->admin_settings_validate($form, $form_state); } } interface metadata_interface { public function get_name(); public function get_help(); public function process($video); public function admin_settings(); public function admin_settings_validate($form, &$form_state); }