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- <?php
- /**
- * @file
- * Provides native meta tag integration with Views.
- */
- /**
- * Implements hook_views_api().
- */
- function metatag_views_views_api() {
- return array('api' => 3);
- }
- /**
- * Implements hook_ctools_plugin_api().
- */
- function metatag_views_ctools_plugin_api($owner, $api) {
- if ($owner == 'metatag' && $api == 'metatag') {
- return array('version' => 1);
- }
- }
- /**
- * Implements hook_view_preview_info_alter().
- */
- function metatag_views_views_preview_info_alter(&$rows, $view) {
- if (metatag_views_views_display_has_metatags($view->display_handler)) {
- $instance = 'view:' . $view->name;
- $metatags = $view->display_handler->get_option('metatags');
- $metatags = !empty($metatags) ? $metatags : array();
- // Set the page title to be the previewed views title before fetching meta
- // tag values.
- $title = drupal_set_title();
- if ($view_title = $view->get_title()) {
- drupal_set_title($view_title);
- }
- $options['token data']['view'] = $view;
- $values = metatag_metatags_values($instance, $metatags, $options);
- foreach ($values as $metatag => $value) {
- $metatag_info = metatag_get_info('tags', $metatag);
- $values[$metatag] = check_plain($metatag_info['label']) . ': ' . check_plain($value);
- }
- $rows['query'][] = array(
- '<strong>' . t('Meta tags') . '</strong>',
- implode('<br />', $values),
- );
- // Restore the page title.
- drupal_set_title($title);
- }
- }
- /**
- * Implements hook_page_alter().
- */
- function metatag_views_page_alter(&$page) {
- if ($view = views_get_page_view()) {
- // The following is taken from views_get_page_view().
- // If a module is still putting in the display like we used to, catch that.
- if (is_subclass_of($view, 'views_plugin_display')) {
- $view = $view->view;
- }
- // Load the
- if (metatag_views_views_display_has_metatags($view->display_handler)) {
- $saved_metatags = $view->display_handler->get_option('metatags');
- $metatags = array();
- if (!empty($saved_metatags)) {
- $metatags[LANGUAGE_NONE] = $saved_metatags;
- }
- // Build options for meta tag rendering.
- $instance = 'view:' . $view->name;
- $options = array();
- $options['token data']['view'] = $view;
- // Add the metatags.
- $page['content']['metatags'][$instance] = metatag_metatags_view($instance, $metatags, $options);
- }
- }
- }
- /**
- * Determine whether the requested view display has meta tags saved.
- *
- * @param $display views_plugin_display
- * The view display plugin that will be checked.
- *
- * @return
- * Simple boolean to indicate whether there are meta tags saved.
- */
- function metatag_views_views_display_has_metatags(views_plugin_display $display) {
- if (method_exists($display, 'has_metatags')) {
- return $display->has_metatags();
- }
- else {
- return $display->has_path() && $display->uses_breadcrumb();
- }
- }
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