class views_handler_field_nodehierarchy_parent in Node Hierarchy 6

Field handler to allow linking to a comment

Hierarchy

• class \views_handler_field_nodehierarchy_parent extends \views_handler_field

1 string reference to 'views_handler_field_nodehierarchy_parent'

nodehierarchy_views_views_data in includes/views/nodehierarchy.views.inc

Implementation of hook_views_data()

File

includes/views/views_handler_field_nodehierarchy_parent.inc, line 8

class views_handler_field_nodehierarchy_parent extends views_handler_field {

  /**
   * Override init function to provide generic option to link to comment.
   */
  function init(&$view, &$data) {
    parent::init($view, $data);
    if (isset($data['link_to_parent']) && $view->base_table != 'node') {

      // @todo: This can't be right, it'll totally fail with relationships.
      $this->additional_fields[] = 'nid';
      $this->nid_field = 'node_nid';
    }
    else {
      $this->nid_field = 'parent';
    }
  }
  function options(&$options) {
    parent::options($options);
    $options['link_to_parent'] = TRUE;
    $options['display_as'] = 'title';
  }

  /**
   * Provide link-to-comment option.
   */
  function options_form(&$form, &$form_state) {
    $form['label'] = array(
      '#type' => 'textfield',
      '#title' => t('Label'),
      '#default_value' => isset($this->options['label']) ? $this->options['label'] : '',
      '#description' => t('The label for this field that will be displayed to end users if the style requires it.'),
    );
    $form['exclude'] = array(
      '#type' => 'checkbox',
      '#title' => t('Exclude from display'),
      '#default_value' => $this->options['exclude'],
      '#description' => t('Check this box to not display this field, but still load it in the view.  Use this option to not show a grouping field in each record, or when doing advanced theming.'),
    );
    $form['display_as'] = array(
      '#title' => t('Display this field as'),
      '#type' => 'select',
      '#options' => array(
        'title' => t('Node Parent Title'),
        'nid' => t('Node Parent ID'),
      ),
      '#default_value' => $this->options['display_as'],
    );
    $form['link_to_parent'] = array(
      '#title' => t('Link this field to the parent node'),
      '#type' => 'checkbox',
      '#default_value' => $this->options['link_to_parent'],
    );
  }
  function render_parent($data, $values) {
    $out = "";
    if (@$this->options['display_as'] === 'nid') {
      $out = $data;
    }
    else {
      $parent = node_load($data);
      $out = $parent->title;
    }
    if (!empty($this->options['link_to_parent'])) {
      return l($out, "node/" . $data);
    }
    else {
      return $out;
    }
  }
  function render($values) {
    return $this
      ->render_parent(check_plain($values->{$this->field_alias}), $values);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
views_handler_field_nodehierarchy_parent::init		function	Override init function to provide generic option to link to comment.
views_handler_field_nodehierarchy_parent::options		function
views_handler_field_nodehierarchy_parent::options_form		function	Provide link-to-comment option.
views_handler_field_nodehierarchy_parent::render		function
views_handler_field_nodehierarchy_parent::render_parent		function