book.inc
2.59 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
<?php
/**
* @file
* Plugin to provide access control based on whether a node belongs to a book.
*/
/**
* Plugins are described by creating a $plugin array which will be used
* by the system that includes this file.
*/
if (module_exists('book')) {
$plugin = array(
'title' => t("Book: node is in a book"),
'description' => t('Control access based upon a node belonging to a book.'),
'callback' => 'ctools_book_node_ctools_access_check',
'default' => array('book' => array()),
'settings form' => 'ctools_book_node_ctools_access_settings',
'settings form submit' => 'ctools_book_node_ctools_access_settings_submit',
'summary' => 'ctools_book_node_ctools_access_summary',
'required context' => new ctools_context_required(t('Node'), 'node'),
);
}
/**
* Settings form for the 'by book_node' access plugin.
*/
function ctools_book_node_ctools_access_settings($form, &$form_state, $conf) {
$options = array(
'any' => t('In any book'),
);
$books = book_get_books();
foreach ($books as $bid => $book) {
$options[$bid] = $book['title'];
}
$form['settings']['book'] = array(
'#title' => t('Book'),
'#type' => 'checkboxes',
'#options' => $options,
'#description' => t('Pass only if the node belongs to one of the selected books'),
'#default_value' => $conf['book'],
'#required' => TRUE,
);
return $form;
}
/**
* Check for access.
*/
function ctools_book_node_ctools_access_check($conf, $context) {
// As far as I know there should always be a context at this point, but this
// is safe.
if (empty($context) || empty($context->data) || empty($context->data->book)) {
return FALSE;
}
if ($conf['book']['any']) {
return !empty($context->data->book);
}
foreach ($conf['book'] as $bid => $value) {
if ($bid == 'any') {
continue;
}
if ($value && ($bid == $context->data->book['bid'])) {
return TRUE;
}
}
return FALSE;
}
/**
* Provide a summary description based upon the checked node_languages.
*/
function ctools_book_node_ctools_access_summary($conf, $context) {
if ($conf['book']['any']) {
return t('@identifier belongs to a book', array('@identifier' => $context->identifier));
}
$books = array();
foreach ($conf['book'] as $bid => $value) {
if ($value) {
$node = node_load($bid);
$books[] = $node->title;
}
}
if (count($books) == 1) {
return t('@identifier belongs to the book "@book"', array('@book' => $books[0], '@identifier' => $context->identifier));
}
return t('@identifier belongs in multiple books', array('@identifier' => $context->identifier));
}