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contrib-jrockowitz/fieldset_helper/fieldset_helper.module, line 345

Versions

6

fieldset_helper_state_manager_get_lookup_id($element_id = NULL)

Get the lookup id for the $element_id in the current path.

Parameters

$element_id The DOM element id.

Return value

The numeric auto generated look up id for the $element_id. If $element_id is not set then the entire lookup id table for the current page will returned.

Code

<?php
function fieldset_helper_state_manager_get_lookup_id($element_id = NULL) {
  static $lookup_id_table;

  $current_path = $_GET['q'];

  // Load existing lookup ids for the current path from the database.
  if (!isset($lookup_id_table)) {
    // Fetch lookup records for the current path
    $query = "SELECT id, element_id FROM {fieldset_helper_state_manager} WHERE path='%s'";
    $result = db_query($query, $current_path);
    while ($data = db_fetch_array($result)) {
      $lookup_id_table[ $data['element_id'] ] = $data['id'];
    }

    // Initialize state manager js ids
    $settings['fieldset_helper_state_manager']['ids'] = $lookup_id_table;
    drupal_add_js($settings, 'setting');
  }

  // Create a new lookup id for element_id's not associated with the current path in the lookup id table.
  if ( $element_id != NULL && !isset($lookup_id_table[$element_id]) ) {
    // Get id for path and element_id combination.
    $sql = "INSERT INTO {fieldset_helper_state_manager} (path, element_id) VALUES ('%s', '%s')";
    db_query($sql, $current_path, $element_id);
    $lookup_id = db_last_insert_id('fieldset_helper_state_manager', 'id');
    $lookup_id_table[$element_id] = $lookup_id;

    // Add lookup id to state manager js ids
    $settings['fieldset_helper_state_manager']['ids'][$element_id] = $lookup_id;
    drupal_add_js($settings, 'setting');
  }

  // Return the look up id for the element id.
  return ($element_id == NULL) ? $lookup_id_table : $lookup_id_table[$element_id];
}
?>