function hierarchical_select_json in Hierarchical Select 5.2

Same name and namespace in other branches

1. 5.3 hierarchical_select.module \hierarchical_select_json()
2. 6.3 hierarchical_select.module \hierarchical_select_json()

Menu callback; JSON callback: generates and outputs the appropriate HTML.

2 string references to 'hierarchical_select_json'

hierarchical_select_menu in ./hierarchical_select.module

Implementation of hook_menu().

hierarchical_select_process in ./hierarchical_select.module

Hierarchical select form element processing function.

File

./hierarchical_select.module, line 85

This module defines the "hierarchical_select" form element, which is a greatly enhanced way for letting the user select an option in a hierarchy.

Code

function hierarchical_select_json() {

  // We are returning JavaScript, so tell the browser. Ripped from Drupal 6's
  // drupal_json() function.
  drupal_set_header('Content-Type: text/javascript; charset=utf-8');

  // Extract the common parameters.
  $hsid = $_POST['hsid'];
  $module = $_POST['module'];
  $selection = !strstr($_POST['selection'], '|') ? $_POST['selection'] : explode('|', $_POST['selection']);
  $dropbox_selection = !strstr($_POST['dropbox_selection'], '|') ? $_POST['dropbox_selection'] : explode('|', $_POST['dropbox_selection']);
  $save_lineage = _hierarchical_select_str_to_bool($_POST['save_lineage']);
  $enforce_deepest = _hierarchical_select_str_to_bool($_POST['enforce_deepest']);
  $all_option = _hierarchical_select_str_to_bool($_POST['all_option']);
  $level_labels = explode('|', $_POST['level_labels']);
  $params = unserialize($_POST['params']);
  $dropbox_title = $_POST['dropbox_title'];
  $required = _hierarchical_select_str_to_bool($_POST['required']);
  switch ($_POST['type']) {
    case 'hierarchical-select':
      $hierarchy = hierarchical_select_get_hierarchy($module, $selection, $save_lineage, $enforce_deepest, $all_option, $level_labels, $params, $required, FALSE);
      $hierarchical_select_html = theme('hierarchical_select_render_selects', $hsid, $hierarchy);

      // Return output as JSON.
      print drupal_to_js(array(
        'hierarchicalSelect' => $hierarchical_select_html,
      ));
      break;
    case 'dropbox-add':

      // We want to render an empty select.
      $selection = -1;
    case 'dropbox-remove':
    default:
      $dropbox = hierarchical_select_get_dropbox($module, $dropbox_selection, $save_lineage, $level_labels, $params, $dropbox_title);
      $dropbox_html = theme('hierarchical_select_render_dropbox', $hsid, $dropbox);
      $hierarchy = hierarchical_select_get_hierarchy($module, $selection, $save_lineage, $enforce_deepest, $all_option, $level_labels, $params, $required, $dropbox);
      $hierarchical_select_html = theme('hierarchical_select_render_selects', $hsid, $hierarchy);

      // Return output as JSON.
      print drupal_to_js(array(
        'hierarchicalSelect' => $hierarchical_select_html,
        'dropbox' => $dropbox_html,
        'dropboxLineagesSelections' => $dropbox->lineages_selections,
      ));
      break;
  }
  exit;
}