views_plugin_argument_default_nodehierarchy.inc in Node Hierarchy 6.2

Contains the node from URL argument default plugin.

File

includes/views/views_plugin_argument_default_nodehierarchy.inc

<?php

/**
 * @file
 * Contains the node from URL argument default plugin.
 */

/**
 * Default argument plugin to extract an ancestor node id of the currently active node.
 */
class views_plugin_argument_default_nodehierarchy extends views_plugin_argument_default {
  function argument_form(&$form, &$form_state) {
    $form['default_argument_nodehierarchy'] = array(
      '#title' => t('Ancestor Depth'),
      '#type' => 'textfield',
      '#default_value' => isset($this->argument->options['default_argument_nodehierarchy']) ? $this->argument->options['default_argument_nodehierarchy'] : -1,
      '#description' => t('Specify the depth of the ancestor to use. You can specify from the top of the ancestor chain with a positive integer or from the bottom with a negative integer. For example: 0 would be the top level ancestor, while -1 would be the current node\'s immediate parent.'),
      '#process' => array(
        'views_process_dependency',
      ),
      '#dependency' => array(
        'radio:options[default_action]' => array(
          'default',
        ),
        'radio:options[default_argument_type]' => array(
          $this->id,
        ),
      ),
      '#dependency_count' => 2,
    );
  }
  function get_argument() {
    $nid = FALSE;
    foreach (range(1, 3) as $i) {
      $node = menu_get_object('node', $i);
      if (!empty($node)) {
        $nid = $node->nid;
        break;
      }
    }
    if ($nid === FALSE && arg(0) == 'node' && is_numeric(arg(1))) {
      $nid = arg(1);
    }
    if (is_numeric($nid) && ($ancestors = nodehierarchy_get_node_ancestor_nids($nid))) {
      $idx = $this->argument->options['default_argument_nodehierarchy'];
      if ($idx < 0) {
        $idx = count($ancestors) + $idx - 1;
      }
      return $ancestors[$idx];
    }
    return NULL;
  }

}

Classes

Name	Description
views_plugin_argument_default_nodehierarchy	Default argument plugin to extract an ancestor node id of the currently active node.