Created
August 9, 2012 20:54
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Field Formatter for replacing empty field with another.
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| <?php | |
| /** | |
| * Implements hook_field_formatter_info(). | |
| */ | |
| function custom_field_formatter_info() { | |
| $formatters = array(); | |
| $formatters['custom_event_time'] = array( | |
| 'label' => t('CUSTOM: Event Time'), | |
| 'description' => t('Displays this field normally if it has a value, if empty, it displays the time from field_event_date.'), | |
| 'field types' => array('text'), | |
| ); | |
| return $formatters; | |
| } | |
| /** | |
| * Implements hook_field_formatter_view(). | |
| */ | |
| function custom_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) { | |
| $element = array(); | |
| $settings = $display['settings']; | |
| switch ($display['type']) { | |
| case 'custom_event_time': | |
| if (!empty($items)) { | |
| // Field has data, print normally. | |
| $display['type'] = 'text_default'; | |
| $element = text_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display); | |
| } | |
| else { | |
| // If the this field is empty, use the time values from the date field instead. | |
| $field = field_info_field('field_event_date'); | |
| $instance = field_info_instance($entity_type, 'field_event_date', 'event'); | |
| $items = field_get_items($entity_type, $entity, 'field_event_date', $langcode); | |
| $display = field_get_display($instance, 'teaser', $entity); | |
| // Manually set date formatter. | |
| $display['settings']['format_type'] = 'time_only'; | |
| $element = date_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display); | |
| // Drupal needs the following line, or your field will NOT print! | |
| $element['#items'] = $items; | |
| } | |
| break; | |
| } | |
| return $element; | |
| } |
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