function cshs_field_widget_settings_form in Client-side Hierarchical Select 7

Implements hook_field_widget_settings_form().

Provide a widget settings-form.

File

./cshs.module, line 82

A simple clientside hierarchical select widget for taxonomy terms.

Code

function cshs_field_widget_settings_form($field, $instance) {
  $widget = $instance['widget'];
  $settings = $widget['settings'];
  $form = array();
  $form['cshs'] = array(
    '#type' => 'fieldset',
    '#title' => 'Clientside hierarchical select settings',
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#tree' => TRUE,
  );
  $form['cshs']['force_deepest'] = array(
    '#type' => 'checkbox',
    '#title' => t('Force selection of deepest level'),
    '#description' => t('If checked the user will be forced to select terms from the deepest level.'),
    '#default_value' => empty($settings['cshs']['force_deepest']) ? FALSE : $settings['cshs']['force_deepest'],
  );
  $options[0] = '---';

  // TODO this might break with huge vocs.
  $voc = taxonomy_vocabulary_machine_name_load($field['settings']['allowed_values'][0]['vocabulary']);
  if (isset($voc)) {
    foreach (taxonomy_get_tree($voc->vid) as $term) {
      $options[$term->tid] = str_repeat('- ', $term->depth) . $term->name;
    }
  }
  $form['cshs']['parent'] = array(
    '#type' => 'select',
    '#title' => t('Parent'),
    '#description' => t('Select a parent term to use only a subtree of a vocabulary for this field.'),
    '#options' => $options,
    '#default_value' => !empty($settings['cshs']['parent']) ? $settings['cshs']['parent'] : 0,
  );
  $form['cshs']['level_labels'] = array(
    '#type' => 'textfield',
    '#title' => t('Labels per hierarchy-level'),
    '#description' => t('Enter labels for each hierarchy-level separated by comma.'),
    '#default_value' => !empty($settings['cshs']['level_labels']) ? $settings['cshs']['level_labels'] : '',
  );
  return $form;
}