linkit_node.module in Linkit 7

Extend Linkit with node links.

File

plugins/linkit_node/linkit_node.module

<?php

/**
 * @file
 * Extend Linkit with node links.
 */

/**
 * Implements hook_linkit_load_plugins().
 */
function linkit_node_linkit_load_plugins($string) {
  $matches = array();
  $settings = variable_get('linkit_node', array());

  // Prevent "PHP notice: Undefined variable"
  _linkit_node_get_default_settings($settings);

  // Build default query
  $query = db_select('node', 'n')
    ->fields('n', array(
    'nid',
    'title',
  ))
    ->condition('n.title', '%' . db_like($string) . '%', 'LIKE')
    ->addTag('node_access');
  if ($settings['display_settings']['content_type']) {
    $query
      ->addField('nt', 'name', 'content_type');
    $query
      ->innerJoin('node_type', 'nt', 'nt.type = n.type');
  }
  if ($settings['display_settings']['status']) {
    $query
      ->addField('n', 'status');
  }
  if ($settings['display_settings']['language']) {
    $query
      ->addField('n', 'language');
  }
  if ($settings['display_settings']['created']) {
    $query
      ->addField('n', 'created');
  }
  if ($settings['display_settings']['changed']) {
    $query
      ->addField('n', 'changed');
  }
  if ($settings['display_settings']['show_books'] && module_exists('book')) {
    $query
      ->leftJoin('book', 'b', 'b.nid = n.nid');
    $query
      ->addField('b', 'bid');
  }
  if (!$settings['display_settings']['show_unpublished']) {
    $query
      ->condition('n.status', '1', '=');
  }

  // Content type check
  if ($allowed_content_types = array_filter($settings['content_types'])) {
    $query
      ->condition('n.type', $allowed_content_types, 'IN');
  }
  $result = $query
    ->execute();
  $i = 0;
  foreach ($result as $node) {
    $matches['node'][$i] = array(
      'title' => $node->title,
      'path' => 'node/' . $node->nid,
      'information' => array(
        'type' => 'Node',
      ),
    );

    // Add the node nid
    if ($settings['display_settings']['nid']) {
      $matches['node'][$i]['information']['nid'] = $node->nid;
    }

    // Add the node content type
    if ($settings['display_settings']['content_type']) {
      $matches['node'][$i]['information']['content type'] = $node->content_type;
    }

    // Add the node status
    if ($settings['display_settings']['status']) {
      $matches['node'][$i]['information']['status'] = $node->status ? t('published') : t('unpublished');
    }

    // Add the node language
    if ($settings['display_settings']['language']) {
      $matches['node'][$i]['information']['language'] = $node->language ? $node->language : '-';
    }

    // Add the node created time
    if ($settings['display_settings']['created']) {
      $matches['node'][$i]['information']['created'] = $node->created ? format_date($node->created, 'small') : '-';
    }

    // Add the node changed time
    if ($settings['display_settings']['changed']) {
      $matches['node'][$i]['information']['changed'] = $node->changed ? format_date($node->changed, 'small') : '-';
    }

    // Add Title of the book a node belong to
    if ($settings['display_settings']['show_books'] && $node->bid) {
      $book_node = node_load($node->bid);
      $matches['node'][$i]['information']['book'] = $book_node->title;
    }
    $i++;
  }
  return $matches;
}

/**
 * Implements hook_linkit_get_search_styled_link().
 */
function linkit_node_linkit_get_search_styled_link($string) {

  // Check to see that the link really is a node link
  // Backwards compatible with internal: links
  $escaped_string = str_replace('internal:', '', $string);
  $splitted_string = explode('/', $escaped_string);
  if ($splitted_string[0] != 'node') {
    return;
  }

  // This is a node link created with Linkit, try to grab the title and path now.
  $result = db_select('node', 'n')
    ->fields('n', array(
    'title',
  ))
    ->condition('n.nid', $splitted_string[1])
    ->addTag('node_access')
    ->execute()
    ->fetchObject();

  // No reault was found
  if (!$result) {
    return;
  }
  return check_plain($result->title) . ' [path:' . $escaped_string . ']';
}

/**
 * Implements hook_linkit_info_plugins().
 * 
 * This is used by linkit_permissions
 */
function linkit_node_linkit_info_plugins() {
  $return['linkit_node'] = array(
    'type' => 'node',
  );
  return $return;
}

/**
 * Prevent "PHP notice: Undefined variable" by merging the settings 
 * with the defule values
 */
function _linkit_node_get_default_settings(&$settings) {

  // Merge settings with the default settings
  $settings += array(
    'display_settings' => array(),
    'content_types' => array(),
  );
  $settings['display_settings'] += array(
    'nid' => 0,
    'content_type' => 0,
    'status' => 0,
    'language' => 0,
    'created' => 0,
    'changed' => 0,
    'show_unpublished' => 0,
    'show_books' => 0,
  );
}

Functions

Name	Description
linkit_node_linkit_get_search_styled_link	Implements hook_linkit_get_search_styled_link().
linkit_node_linkit_info_plugins	Implements hook_linkit_info_plugins().
linkit_node_linkit_load_plugins	Implements hook_linkit_load_plugins().
_linkit_node_get_default_settings	Prevent "PHP notice: Undefined variable" by merging the settings with the defule values