function views_handler_filter_term_node_tid::value_form

Options form subform for setting options.

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

Overrides views_handler_filter_many_to_one::value_form

See also

options_form()

File

core/modules/taxonomy/views/views_handler_filter_term_node_tid.inc, line 92

Definition of views_handler_filter_term_node_tid.

Class

views_handler_filter_term_node_tid

Filter by term id.

Code

function value_form(&$form, &$form_state) {
  $vocabulary = taxonomy_vocabulary_load($this->options['vocabulary']);
  if (empty($vocabulary) && $this->options['limit']) {
    $form['markup'] = array(
      '#markup' => '<div class="form-item">' . t('An invalid vocabulary is selected. Please change it in the options.') . '</div>',
    );
    return;
  }

  if ($this->options['type'] == 'textfield') {
    $default = '';
    if ($this->value) {
      $result = db_select('taxonomy_term_data', 'td')
        ->fields('td')
        ->condition('td.tid', $this->value)
        ->execute();
      foreach ($result as $term) {
        if ($default) {
          $default .= ', ';
        }
        $default .= $term->name;
      }
    }

    $form['value'] = array(
      '#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array('@voc' => $vocabulary->name)) : t('Select terms'),
      '#type' => 'textfield',
      '#default_value' => $default,
    );

    if ($this->options['limit']) {
      $form['value']['#autocomplete_path'] = 'admin/views/ajax/autocomplete/taxonomy/' . $vocabulary->machine_name;
    }
  }
  else {
    if (!empty($this->options['hierarchy']) && $this->options['limit']) {
      $tree = taxonomy_get_tree($vocabulary->machine_name);
      $options = array();

      if ($tree) {
        foreach ($tree as $term) {
          $choice = new stdClass();
          $choice->option = array($term->tid => str_repeat('· ', $term->depth) . $term->name);
          $options[] = $choice;
        }
      }
    }
    else {
      $options = array();
      $query = db_select('taxonomy_term_data', 'td');
      $query->fields('td');
      $query->orderby('td.vocabulary');
      $query->orderby('td.weight');
      $query->orderby('td.name');
      $query->addTag('taxonomy_term_access');
      if ($this->options['limit']) {
        $query->condition('td.vocabulary', $vocabulary->machine_name);
      }
      $result = $query->execute();
      foreach ($result as $term) {
        $options[$term->tid] = $term->name;
      }
    }

    $default_value = (array) $this->value;

    if (!empty($form_state['exposed'])) {
      $identifier = $this->options['expose']['identifier'];

      if (!empty($this->options['expose']['reduce'])) {
        $options = $this->reduce_value_options($options);

        if (!empty($this->options['expose']['multiple']) && empty($this->options['expose']['required'])) {
          $default_value = array();
        }
      }

      if (empty($this->options['expose']['multiple'])) {
        if (empty($this->options['expose']['required']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
          $default_value = 'All';
        }
        elseif (empty($default_value)) {
          $keys = array_keys($options);
          $default_value = array_shift($keys);
        }
        // Due to #1464174 there is a chance that array('') was saved in the
        // admin ui. Let's choose a safe default value.
        elseif ($default_value == array('')) {
          $default_value = 'All';
        }
        else {
          $copy = $default_value;
          $default_value = array_shift($copy);
        }
      }
    }
    $form['value'] = array(
      '#type' => 'select',
      '#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array('@voc' => $vocabulary->name)) : t('Select terms'),
      '#multiple' => TRUE,
      '#options' => $options,
      '#size' => min(9, count($options)),
      '#default_value' => $default_value,
    );

    if (!empty($form_state['exposed']) && isset($identifier) && !isset($form_state['input'][$identifier])) {
      $form_state['input'][$identifier] = $default_value;
    }
  }


  if (empty($form_state['exposed'])) {
    // Retain the helper option.
    $this->helper->options_form($form, $form_state);

    // Show help text if not exposed to end users.
    $form['value']['#description'] = t('Leave blank for all. Otherwise, the first selected term will be the default instead of "Any".');
  }
}