public function views_handler_filter_term_node_tid::value_form in Views (for Drupal 7) 7.3

Same name and namespace in other branches

1. 6.3 modules/taxonomy/views_handler_filter_term_node_tid.inc \views_handler_filter_term_node_tid::value_form()
2. 6.2 modules/taxonomy/views_handler_filter_term_node_tid.inc \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

modules/taxonomy/views_handler_filter_term_node_tid.inc, line 123

Definition of views_handler_filter_term_node_tid.

Class

views_handler_filter_term_node_tid

Filter by term id.

Code

public function value_form(&$form, &$form_state) {
  $vocabulary = taxonomy_vocabulary_machine_name_load($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) {
      $result = taxonomy_term_load_multiple($this->value);
      foreach ($result as $entity_term) {
        if ($default) {
          $default .= ', ';
        }
        $default .= entity_label('taxonomy_term', $entity_term);
      }
    }
    $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->vid;
    }
  }
  else {
    $options = array();
    if (!empty($this->options['hierarchy']) && $this->options['limit']) {
      $tree = taxonomy_get_tree($vocabulary->vid, 0, NULL, TRUE);
      $options = array();
      if (!empty($tree)) {
        if (!empty($this->options['optgroups'])) {
          foreach ($tree as $term) {
            $term_name = entity_label('taxonomy_term', $term);
            if ($term->parents[0] == 0) {
              $parent_name = $term_name;
            }
            else {
              $options[$parent_name][$term->tid] = str_repeat('-', $term->depth - 1) . $term_name;
            }
          }
        }
        else {
          foreach ($tree as $term) {
            $options[$term->tid] = str_repeat('-', $term->depth) . entity_label('taxonomy_term', $term);
          }
        }
      }
    }
    else {
      $query = db_select('taxonomy_term_data', 'td');
      $query
        ->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
      $query
        ->fields('td');
      $query
        ->orderby('tv.weight');
      $query
        ->orderby('tv.name');
      $query
        ->orderby('td.weight');
      $query
        ->orderby('td.name');
      $query
        ->addTag('taxonomy_term_access');
      if ($this->options['limit']) {
        $query
          ->condition('tv.machine_name', $vocabulary->machine_name);
      }
      $result = $query
        ->execute();
      $tids = array();
      foreach ($result as $term) {
        $tids[] = $term->tid;
      }
      $entities = taxonomy_term_load_multiple($tids);
      foreach ($entities as $entity_term) {
        $options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
      }
    }
    $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);
        }
        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".');
  }
}