function field_weight_sort_instances in Field display weights (per node) 7.2

Parameters

$instances:

$weights:

$revision_weights:

Return value

array

4 calls to field_weight_sort_instances()

field_weight_display_overview_form in ./field_weight.module

Admin form displayed at node/%/display.

field_weight_inherit_field_weight_display_overview_weights_alter in modules/field_weight_inherit.module

Implements hook_field_weight_display_overview_weights_alter().

hook_field_weight_display_overview_weights_alter in ./field_weight.api.php

hook_field_weight_multiple_display_overview_weights_alter in modules/field_weight_multiple.api.php

Change the order in which fields managed by Multiple-Value Field Weights are displayed on the administrative form. This hook reeks of implementation details, but see Field Weight Inherit for another implementation example.

File

./field_weight.module, line 211

Field display weight module.

Code

function field_weight_sort_instances($instances, $weights, $revision_weights) {

  // Create new array of instances
  $weight_instances = array();
  $highest_weight = count($instances);
  foreach (array_keys($instances) as $key) {

    // Default to actual rendered weight if not found. i.e field added
    // after weights have last been saved or no weights saved.
    if (array_key_exists($key, $weights)) {
      $weight_instances[$key] = $weights[$key];
      if (!array_key_exists($key, $revision_weights)) {
        $weight_instances[$key]['new'] = TRUE;
      }
    }
    else {

      // Distinguish between never set (empty $weights) and new field.
      // This is so that the form matches the render handling.
      $default_weight = empty($weights) ? _field_weight_field_instance_get_weight($instances[$key]) : 0;
      $default_hidden = 0;

      // Always 0 to start with
      $weight_instances[$key] = array(
        'weight' => $default_weight,
        'hidden' => $default_hidden,
        // Set a property so we can show the user this is unsaved later.
        'new' => TRUE,
      );
    }
    $highest_weight = max($highest_weight, $weight_instances[$key]['weight']);
  }
  uasort($weight_instances, 'drupal_sort_weight');
  return array(
    $weight_instances,
    $highest_weight,
  );
}