function diff_compare_entities in Diff 7.3

Generic callback to compare two entities.

1 call to diff_compare_entities()

diff_entity_body_rows in ./diff.pages.inc

Creates an array of rows which represent the difference between two entities.

File

./diff.pages.inc, line 422

Menu callbacks for hook_menu().

Code

function diff_compare_entities($left_entity, $right_entity, $context) {
  $entity_type = $context['entity_type'];
  list(, , $bundle) = entity_extract_ids($entity_type, $right_entity);
  $context['bundle'] = $bundle;
  $context['old_entity'] = $left_entity;
  $context['new_entity'] = $right_entity;
  $context += array(
    'states' => array(
      'raw',
    ),
    'view_mode' => FALSE,
    'language' => LANGUAGE_NONE,
  );
  $diff = module_invoke_all('entity_diff', $left_entity, $right_entity, $context);

  // Allow other modules to interact directly with the results.
  drupal_alter('entity_diff', $diff, $context);

  // We start off assuming all form elements are in the correct order.
  $diff['#sorted'] = TRUE;

  // Field rows. Recurse through all child elements.
  $count = 0;
  foreach (element_children($diff) as $key) {
    if (!isset($diff[$key]['#states'])) {
      $diff[$key]['#states'] = array();
    }

    // Ensure that the element follows the new #states format.
    if (isset($diff[$key]['#old'])) {
      $diff[$key]['#states']['raw']['#old'] = $diff[$key]['#old'];
      unset($diff[$key]['#old']);
    }
    if (isset($diff[$key]['#new'])) {
      $diff[$key]['#states']['raw']['#new'] = $diff[$key]['#new'];
      unset($diff[$key]['#new']);
    }

    // If requested, we can convert the .
    foreach (array(
      'raw',
      'rendered',
    ) as $state) {
      if (in_array($state . '_plain', $context['states'])) {
        diff_markdown_state($diff[$key], $state);
      }
    }

    // Assign a decimal placeholder weight to preserve original array order.
    if (!isset($diff[$key]['#weight'])) {
      $diff[$key]['#weight'] = $count / 1000;
    }
    else {

      // If one child element has a weight then we will need to sort later.
      unset($diff['#sorted']);
    }
    $count++;
  }

  // One of the children has a #weight.
  if (!isset($diff['#sorted'])) {
    uasort($diff, 'element_sort');
  }
  else {
    unset($diff['#sorted']);
  }

  // Process the array and get line counts per field.
  array_walk($diff, 'diff_process_state_lines');
  return $diff;
}