array( 'title' => t('Administer PDF Reader'), 'description' => t('Perform maintenance tasks for PDF Reader'), ), ); } /** * Implement hook_field_formatter_info(). */ function pdf_reader_field_formatter_info() { return array( 'pdf_reader_file' => array( 'label' => t('PDF Reader'), 'field types' => array('file', 'text'), 'settings' => array( 'pdf_width' => 600, 'pdf_height' => 780, 'renderer' => 'google', 'download' => FALSE, 'colorbox' => FALSE, 'colorbox_link_text' => '', ) ), ); } /** * Implements hook_field_formatter_settings_form(). */ function pdf_reader_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) { $display = $instance['display'][$view_mode]; $settings = $display['settings']; $element['pdf_width'] = array( '#title' => t('Width'), '#type' => 'textfield', '#default_value' => $settings['pdf_width'], ); $element['pdf_height'] = array( '#title' => t('Height'), '#type' => 'textfield', '#default_value' => $settings['pdf_height'], ); $element['renderer'] = array( '#title' => t('Renderer'), '#type' => 'select', '#options' => array( 'google' => 'Google Viewer', 'direct' => 'Direct Embed', 'pdf-js' => 'pdf.js'), '#default_value' => $settings['renderer'], ); $element['download'] = array( '#title' => t('Show download link'), '#type' => 'checkbox', '#default_value' => $settings['download'], ); if (module_exists('colorbox')) { variable_set('colorbox_inline', 1); } $element['colorbox'] = array( '#title' => t('Display in colorbox (colorbox module must be installed).'), '#type' => 'checkbox', '#disabled' => !module_exists('colorbox'), '#default_value' => $settings['colorbox'], ); $element['colorbox_link_text'] = array( '#title' => t('Colorbox link'), '#type' => 'textfield', '#disabled' => !module_exists('colorbox'), '#default_value' => $settings['colorbox_link_text'], ); return $element; } /** * Implements hook_field_formatter_settings_summary(). */ function pdf_reader_field_formatter_settings_summary($field, $instance, $view_mode) { $renderers = array( 'google' => 'Google Viewer', 'direct' => 'Direct Embed', 'pdf-js' => 'pdf.js'); $display = $instance['display'][$view_mode]; $settings = $display['settings']; $summary = 'Size: ' . $settings['pdf_width'] . 'x' . $settings['pdf_height'] . ' Using: ' . $renderers[$settings['renderer']] . '
Download Link: ' . ($settings['download'] == 1 ? 'YES' : 'NO') . ' Use colorbox: ' . ($settings['colorbox'] == 1 ? 'YES' : 'NO') . ' Colorbox link text: ' . $settings['colorbox_link_text']; return $summary; } /** * Implements hook_field_formatter_view(). */ function pdf_reader_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) { $settings = $display['settings']; $element = array(); switch ($display['type']) { case 'pdf_reader_file': foreach ($items as $delta => $item) { $element[$delta]['#type'] = 'markup'; $element[$delta]['#markup'] = theme('pdf_reader', array('file' => $item, 'settings' => $settings)); } break; } return $element; } /** * Implements hook_theme(). * * Use our theme function. */ function pdf_reader_theme($existing, $type, $theme, $path) { return array( 'pdf_reader' => array( 'variables' => array('file' => NULL, 'settings' => NULL) ), 'pdf_js' => array( 'template' => 'pdf_js', 'path' => drupal_get_path('module', 'pdf_reader') . '/theme' ) ); } /** * Theme the field with pdf reader */ function theme_pdf_reader($variables) { $file_url = isset($variables['file']['uri']) ? file_create_url($variables['file']['uri']) : $variables['file']['value']; switch ($variables['settings']['renderer']) { case 'google': $output = ''; break; case 'direct': $output = '

'; break; case 'pdf-js': _pdf_reader_load_pdf_js($file_url); $output = theme('pdf_js'); break; } if ($variables['settings']['download'] == TRUE) { $output .= l(t('Click here to download the PDF file.'), $file_url, array('attributes' => array('class' => 'pdf-reader-download-link'))); } if ($variables['settings']['colorbox'] == TRUE) { $html = $output; $options = array( 'attributes' => array('class' => array('colorbox-inline', 'show')), 'query' => array( 'width' => $variables['settings']['pdf_width'], 'height' => $variables['settings']['pdf_height'], 'inline' => 'true', ), 'fragment' => 'pdf_reader', ); $output = l(t($variables['settings']['colorbox_link_text']), $file_url, $options); $output .= ''; } return $output; } function _pdf_reader_load_pdf_js($file_url) { $path = drupal_get_path('module', 'pdf_reader'); $d_path = base_path() . $path; drupal_add_js("$path/js/pdf.js"); drupal_add_js("PDFJS.workerSrc = '$d_path/js/pdf.js'", 'inline'); drupal_add_js("$path/js/l10n.js"); drupal_add_js("$path/js/compatibility.js"); drupal_add_js("$path/js/viewer.js"); drupal_add_css("$path/css/pdf_reader-viewer.css"); drupal_add_js('kDefaultURL = "' . $file_url . '";', 'inline'); }