function select_with_style_handler_filter_term_node_tid::value_form in Select with Style 7

Options form subform for setting options.

This should be overridden by all child classes and it must define $form['value'].

Overrides views_handler_filter_term_node_tid::value_form

See also

options_form()

File

select_with_style/views/select_with_style_handler_filter_term_node_tid.inc, line 13

select_with_style_handle_filter_term_node_tid.inc

Class

select_with_style_handler_filter_term_node_tid

@file select_with_style_handle_filter_term_node_tid.inc

Code

function value_form(&$form, &$form_state) {
  if (empty($this->options['expose']['identifier'])) {
    parent::value_form($form, $form_state);
    return;
  }
  $field_name = $name = $this->options['expose']['identifier'];

  // See if the filter name has '_tid' or '_tid_N' appended. If it does, chop
  // it to find the associated field name.
  if ($_tid = strrpos($name, '_tid')) {
    $field_name = drupal_substr($name, 0, $_tid);
  }
  if ($field = field_info_field($field_name)) {

    // A field may be attached to multiple node types and users. Each will
    // return an instance. Not sure how to reliable identify the right
    // $instance and thus the widget settings.
    // The important thing is to retrieve the right terms (select options).
    // These depend on the $field only, not the $instance.
    foreach (select_with_style_get_field_instances($field_name) as $instance) {
      if ($instance['widget']['module'] == 'select_with_style') {
        break;
      }
      $instance = NULL;
    }
    if (empty($instance['widget']['settings']['select_with_style'])) {

      // This Views field does not have a Select with Style counterpart field
      // widget on the Manage Fields Edit form. Fall back on global defaults.
      $settings = array(
        'hierarchy_depth_prefix' => variable_get('select_with_style_def_hierarchy_depth_prefix'),
        'term_transform_callback' => variable_get('select_with_style_def_term_transform_callback'),
        'multi_select_height' => variable_get('select_with_style_def_multi_select_height'),
        'css file' => variable_get('select_with_style_def_css_files', array()),
      );
    }
    else {
      $settings = $instance['widget']['settings']['select_with_style'];
    }

    // Suppress hierarchy prefix if "Show hierarchy in dropdown" isn't ticked
    // on the filter's Settings panel.
    if (empty($this->options['hierarchy'])) {
      $settings['hierarchy_depth_prefix'] = NULL;
    }
    $widget_type = isset($instance['widget']['type']) ? $instance['widget']['type'] : 'select_tree';

    // Load options (w/wout hierarchy prefixes) and get attributes too.
    list($options, $option_attributes) = _select_with_style_options_and_attributes_lists($field, $widget_type, $settings);
  }
  if (empty($options)) {

    // If any of the above failed, then default to what Views does normally.
    parent::value_form($form, $form_state);
    return;
  }
  if (!empty($this->options['expose']['reduce'])) {
    $options = $this
      ->reduce_value_options($options);

    // For optgroups, remove parents that have no children ...
    foreach ($options as $parent => $children) {
      if (is_array($children) && empty($children)) {
        unset($options[$parent]);
      }
    }
  }
  if (!empty($settings['multi_select_height'])) {
    if ($field['cardinality'] > 1 || $field['cardinality'] == FIELD_CARDINALITY_UNLIMITED) {
      $form[$name]['#size'] = $settings['multi_select_height'];
    }
  }
  $max_size = empty($form[$name]['#size']) ? 9 : $form[$name]['#size'];
  $form[$name]['#size'] = min($max_size, $this
    ->count_entries($options));
  $form[$name]['#type'] = 'select';
  $form[$name]['#multiple'] = TRUE;
  $form[$name]['#options'] = $options;
  $form[$name]['#option_attributes'] = $option_attributes;

  // Add basic and optional CSS
  $form[$name]['#attached']['css'][] = drupal_get_path('module', 'select_with_style') . '/select_with_style.css';
  if (!empty($settings['css file'])) {
    if (!is_array($settings['css file'])) {
      $settings['css file'] = array(
        $settings['css file'],
      );
    }
    $css_files = select_with_style_css_files();
    foreach ($settings['css file'] as $css_file) {
      if (!empty($css_files[$css_file])) {
        $form[$name]['#attached']['css'][] = $css_files[$css_file];
      }
    }
  }

  // The caller, exposed_form(), wants to receive the element in 'value'.
  $form['value'] = $form[$name];
}