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- <?php
- /**
- * @file
- * Translate link plugin.
- */
- /**
- * This handler adds translate link for all translatable entities.
- */
- class entity_translation_handler_field_translate_link extends views_handler_field {
- function construct() {
- parent::construct();
- $this->additional_fields['entity_id'] = 'entity_id';
- $this->additional_fields['entity_type'] = 'entity_type';
- $this->additional_fields['language'] = 'language';
- }
- /**
- * Add required additional fields.
- */
- function query() {
- $this->ensure_my_table();
- $this->add_additional_fields();
- }
- /**
- * Add the text option.
- * @see views_handler_field::option_definition()
- */
- function option_definition() {
- $options = parent::option_definition();
- $options['text'] = array('default' => '', 'translatable' => TRUE);
- return $options;
- }
- /**
- * Add the option to set the title of the translate link.
- * @see views_handler_field::options_form()
- */
- function options_form(&$form, &$form_state) {
- $form['text'] = array(
- '#type' => 'textfield',
- '#title' => t('Text to display'),
- '#default_value' => $this->options['text'],
- );
- parent::options_form($form, $form_state);
- // The path is set by render_link function so don't allow setting it.
- $form['alter']['path'] = array('#access' => FALSE);
- $form['alter']['external'] = array('#access' => FALSE);
- }
- /**
- * Load all entities based on the data we have.
- */
- function post_execute(&$values) {
- $ids = array();
- $ids_by_type = array();
- foreach ($values as $row) {
- if ($entity_type = $this->get_value($row, 'entity_type')) {
- $ids_by_type[$entity_type][] = $this->get_value($row, 'entity_id');
- }
- }
- foreach ($ids_by_type as $type => $ids) {
- $this->entities[$type] = entity_load($type, $ids);
- }
- }
- /**
- * @see views_handler_field::render()
- */
- function render($values) {
- $type = $this->get_value($values, 'entity_type');
- $entity_id = $this->get_value($values, 'entity_id');
- // Check if entity is not empty
- if (!$entity_id || !$type) {
- return NULL;
- }
- $language = $this->get_value($values, 'language');
- $entity = $this->entities[$type][$entity_id];
- return $this->render_link($type, $entity_id, $entity, $language);
- }
- /**
- * Render the link to the translation overview page of the entity.
- */
- function render_link($entity_type, $entity_id, $entity, $language) {
- if (!entity_translation_tab_access($entity_type, $entity)) {
- return;
- }
- // We use the entity info here to avoid having to call entity_load() for all
- // the entities.
- $info = entity_get_info($entity_type);
- $path = $info['translation']['entity_translation']['path schemes']['default']['translate path'];
- $path = str_replace($info['translation']['entity_translation']['path schemes']['default']['path wildcard'], $entity_id, $path);
- $this->options['alter']['make_link'] = TRUE;
- $this->options['alter']['path'] = $path;
- $this->options['alter']['query'] = drupal_get_destination();
- $text = !empty($this->options['text']) ? $this->options['text'] : t('translate');
- return $text;
- }
- }
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