|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Definition of views_plugin_argument_default_book_root.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Default argument plugin to get the current node's book root.
|
|
10
|
*/
|
|
11
|
class views_plugin_argument_default_book_root extends views_plugin_argument_default_node {
|
|
12
|
|
|
13
|
/**
|
|
14
|
* {@inheritdoc}
|
|
15
|
*/
|
|
16
|
public function get_argument() {
|
|
17
|
// Use the argument_default_node plugin to get the nid argument.
|
|
18
|
$nid = parent::get_argument();
|
|
19
|
if (!empty($nid)) {
|
|
20
|
$node = node_load($nid);
|
|
21
|
if (isset($node->book['bid'])) {
|
|
22
|
return $node->book['bid'];
|
|
23
|
}
|
|
24
|
}
|
|
25
|
}
|
|
26
|
|
|
27
|
}
|
