function matrix_settings_reorder_save in Matrix field 6.2

@file Provides functions used in the creation of matrix fields.

1 string reference to 'matrix_settings_reorder_save'

matrix_menu in ./matrix.module

Implementation of hook_menu().

File

./admin.inc, line 7

Provides functions used in the creation of matrix fields.

Code

function matrix_settings_reorder_save() {
  $field_name = $_REQUEST['field_name'];
  $source = (int) $_REQUEST['source'];
  $destination = (int) $_REQUEST['destination'];
  $rc = $_REQUEST['rc'];
  $mode = $_REQUEST['mode'];
  $cache_response = cache_get('matrix-' . $rc . '-' . $field_name);

  //load existing elements from cache
  $elements = (array) $cache_response->data;
  $move_element = $elements[$source];
  foreach ($elements as $id => $element) {
    if ($source < $destination) {
      if ($id != $source) {
        $fixed_elements[] = $element;
      }
      if ($id == $destination) {
        $fixed_elements[] = $move_element;
      }
    }
    else {
      if ($id == $destination) {
        $fixed_elements[] = $move_element;
      }
      if ($id != $source) {
        $fixed_elements[] = $element;
      }
    }
  }
  $elements = array_values($fixed_elements);

  //this rekeys the array so it remains sequential.
  cache_set('matrix-' . $rc . '-' . $field_name, $elements);

  //save all elements back to the cache
  $list .= theme('matrix_settings_list', $elements, $rc);
  $rows_elements = cache_get('matrix-rows-' . $field_name);

  //load existing elements from cache
  $cols_elements = cache_get('matrix-cols-' . $field_name);

  //load existing elements from cache
  $preview = drupal_get_form('matrix_settings_preview', $field_name, $mode, $rows_elements->data, $cols_elements->data);
  echo drupal_to_js(array(
    'list' => $list,
    'data' => serialize($elements),
    'preview' => $preview,
  ));
  exit;
}