Provide a form 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

File

modules/taxonomy/views_handler_filter_term_node_tid.inc, line 69

Class

views_handler_filter_term_node_tid

Filter by term id

Code

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

  if ($this->options['type'] == 'textfield') {
    $default = '';
    if ($this->value) {
      $result = db_query("SELECT * FROM {term_data} td WHERE td.tid IN (" . implode(', ', $this->value) . ')');
      while ($term = db_fetch_object($result)) {
        if ($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'] = 'taxonomy/autocomplete/' . $vocabulary->vid;
    }
  }
  else {
    if (!empty($this->options['hierarchy']) && $this->options['limit']) {
      $tree = taxonomy_get_tree($vocabulary->vid);
      $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 {
      $options = array();
      if ($this->options['limit']) {
        $result = db_query(db_rewrite_sql("SELECT t.* FROM {term_data} t WHERE t.vid = %d ORDER BY t.weight, t.name", 't', 'tid'), $vocabulary->vid);
      }
      else {
        $result = db_query(db_rewrite_sql("SELECT td.* FROM {term_data} td INNER JOIN {vocabulary} v ON td.vid = v.vid ORDER BY v.weight, v.name, td.weight, td.name", 'td', 'tid'));
      }
      while ($term = db_fetch_object($result)) {
        $options[$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($this->options['expose']['single']) && !empty($this->options['expose']['optional'])) {
          $default_value = array();
        }
      }

      if (!empty($this->options['expose']['single'])) {
        if (!empty($this->options['expose']['optional']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
          $default_value = 'All';
        }
        else if (empty($default_value)) {
          $keys = array_keys($options);
          $default_value = array_shift($keys);
        }
        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($form_state['exposed']) && !isset($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);
  }
}