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85ad3d82
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Assos Assos
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<?php
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/**
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* @file
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* Provide Diff module field callbacks for the Entity Reference module.
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*/
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/**
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* Diff field callback for preloading entities.
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*/
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function entityreference_field_diff_view_prepare(&$old_items, &$new_items, $context) {
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$field = $context['field'];
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// Build an array of entities ID.
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$entity_ids = array();
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foreach (array_merge_recursive($old_items, $new_items) as $item) {
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$entity_ids[] = $item['target_id'];
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}
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// Load those entities and loop through them to extract their labels.
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$entities = entity_load($field['settings']['target_type'], $entity_ids);
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foreach ($old_items as $delta => $info) {
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$old_items[$delta]['entity'] = isset($entities[$info['target_id']]) ? $entities[$info['target_id']] : NULL;
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}
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foreach ($new_items as $delta => $info) {
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$new_items[$delta]['entity'] = isset($entities[$info['target_id']]) ? $entities[$info['target_id']] : NULL;
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}
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}
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/**
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* Diff field callback for parsing entity field comparative values.
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*/
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function entityreference_field_diff_view($items, $context) {
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$field = $context['field'];
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$instance = $context['instance'];
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$settings = $context['settings'];
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$entity_type = $field['settings']['target_type'];
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$diff_items = array();
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// We populate as much as possible to allow the best flexability in any
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// string overrides.
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$t_args = array();
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$t_args['!entity_type'] = $entity_type;
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$entity_info = entity_get_info($entity_type);
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$t_args['!entity_type_label'] = $entity_info['label'];
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foreach ($items as $delta => $item) {
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if (isset($item['entity'])) {
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$output = array();
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list($id,, $bundle) = entity_extract_ids($entity_type, $item['entity']);
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$t_args['!id'] = $id;
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$t_args['!bundle'] = $bundle;
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$t_args['!diff_entity_label'] = entity_label($entity_type, $item['entity']);
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$output['entity'] = t('!diff_entity_label', $t_args);
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if ($settings['show_id']) {
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$output['id'] = t('ID: !id', $t_args);
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}
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$diff_items[$delta] = implode('; ', $output);
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}
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}
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return $diff_items;
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}
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/**
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* Provide default field comparison options.
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*/
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function entityreference_field_diff_default_options($field_type) {
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return array(
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'show_id' => 0,
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);
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}
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/**
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* Provide a form for setting the field comparison options.
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*/
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function entityreference_field_diff_options_form($field_type, $settings) {
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$options_form = array();
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$options_form['show_id'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show ID'),
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'#default_value' => $settings['show_id'],
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);
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return $options_form;
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} |
