1 |
85ad3d82
|
Assos Assos
|
<?php
|
2 |
|
|
|
3 |
|
|
/**
|
4 |
|
|
* @file
|
5 |
|
|
* Definition of views_handler_filter_many_to_one.
|
6 |
|
|
*/
|
7 |
|
|
|
8 |
|
|
/**
|
9 |
|
|
* Complex filter to handle filtering for many to one relationships,
|
10 |
|
|
* such as terms (many terms per node) or roles (many roles per user).
|
11 |
|
|
*
|
12 |
|
|
* The construct method needs to be overridden to provide a list of options;
|
13 |
|
|
* alternately, the value_form and admin_summary methods need to be overriden
|
14 |
|
|
* to provide something that isn't just a select list.
|
15 |
|
|
*
|
16 |
|
|
* @ingroup views_filter_handlers
|
17 |
|
|
*/
|
18 |
|
|
class views_handler_filter_many_to_one extends views_handler_filter_in_operator {
|
19 |
|
|
/**
|
20 |
|
|
* @var views_many_to_one_helper
|
21 |
|
|
*
|
22 |
|
|
* Stores the Helper object which handles the many_to_one complexity.
|
23 |
|
|
*/
|
24 |
|
|
var $helper = NULL;
|
25 |
|
|
|
26 |
|
|
function init(&$view, &$options) {
|
27 |
|
|
parent::init($view, $options);
|
28 |
|
|
$this->helper = new views_many_to_one_helper($this);
|
29 |
|
|
}
|
30 |
|
|
|
31 |
|
|
function option_definition() {
|
32 |
|
|
$options = parent::option_definition();
|
33 |
|
|
|
34 |
|
|
$options['operator']['default'] = 'or';
|
35 |
|
|
$options['value']['default'] = array();
|
36 |
|
|
|
37 |
|
|
if (isset($this->helper)) {
|
38 |
|
|
$this->helper->option_definition($options);
|
39 |
|
|
}
|
40 |
|
|
else {
|
41 |
|
|
$helper = new views_many_to_one_helper($this);
|
42 |
|
|
$helper->option_definition($options);
|
43 |
|
|
}
|
44 |
|
|
|
45 |
|
|
return $options;
|
46 |
|
|
}
|
47 |
|
|
|
48 |
|
|
function operators() {
|
49 |
|
|
$operators = array(
|
50 |
|
|
'or' => array(
|
51 |
|
|
'title' => t('Is one of'),
|
52 |
|
|
'short' => t('or'),
|
53 |
|
|
'short_single' => t('='),
|
54 |
|
|
'method' => 'op_helper',
|
55 |
|
|
'values' => 1,
|
56 |
|
|
'ensure_my_table' => 'helper',
|
57 |
|
|
),
|
58 |
|
|
'and' => array(
|
59 |
|
|
'title' => t('Is all of'),
|
60 |
|
|
'short' => t('and'),
|
61 |
|
|
'short_single' => t('='),
|
62 |
|
|
'method' => 'op_helper',
|
63 |
|
|
'values' => 1,
|
64 |
|
|
'ensure_my_table' => 'helper',
|
65 |
|
|
),
|
66 |
|
|
'not' => array(
|
67 |
|
|
'title' => t('Is none of'),
|
68 |
|
|
'short' => t('not'),
|
69 |
|
|
'short_single' => t('<>'),
|
70 |
|
|
'method' => 'op_helper',
|
71 |
|
|
'values' => 1,
|
72 |
|
|
'ensure_my_table' => 'helper',
|
73 |
|
|
),
|
74 |
|
|
);
|
75 |
|
|
// if the definition allows for the empty operator, add it.
|
76 |
|
|
if (!empty($this->definition['allow empty'])) {
|
77 |
|
|
$operators += array(
|
78 |
|
|
'empty' => array(
|
79 |
|
|
'title' => t('Is empty (NULL)'),
|
80 |
|
|
'method' => 'op_empty',
|
81 |
|
|
'short' => t('empty'),
|
82 |
|
|
'values' => 0,
|
83 |
|
|
),
|
84 |
|
|
'not empty' => array(
|
85 |
|
|
'title' => t('Is not empty (NOT NULL)'),
|
86 |
|
|
'method' => 'op_empty',
|
87 |
|
|
'short' => t('not empty'),
|
88 |
|
|
'values' => 0,
|
89 |
|
|
),
|
90 |
|
|
);
|
91 |
|
|
}
|
92 |
|
|
|
93 |
|
|
return $operators;
|
94 |
|
|
}
|
95 |
|
|
|
96 |
|
|
var $value_form_type = 'select';
|
97 |
|
|
function value_form(&$form, &$form_state) {
|
98 |
|
|
parent::value_form($form, $form_state);
|
99 |
|
|
|
100 |
|
|
if (empty($form_state['exposed'])) {
|
101 |
|
|
$this->helper->options_form($form, $form_state);
|
102 |
|
|
}
|
103 |
|
|
}
|
104 |
|
|
|
105 |
|
|
/**
|
106 |
|
|
* Override ensure_my_table so we can control how this joins in.
|
107 |
|
|
* The operator actually has influence over joining.
|
108 |
|
|
*/
|
109 |
|
|
function ensure_my_table() {
|
110 |
|
|
// Defer to helper if the operator specifies it.
|
111 |
|
|
$info = $this->operators();
|
112 |
|
|
if (isset($info[$this->operator]['ensure_my_table']) && $info[$this->operator]['ensure_my_table'] == 'helper') {
|
113 |
|
|
return $this->helper->ensure_my_table();
|
114 |
|
|
}
|
115 |
|
|
|
116 |
|
|
return parent::ensure_my_table();
|
117 |
|
|
}
|
118 |
|
|
|
119 |
|
|
function op_helper() {
|
120 |
|
|
if (empty($this->value)) {
|
121 |
|
|
return;
|
122 |
|
|
}
|
123 |
|
|
$this->helper->add_filter();
|
124 |
|
|
}
|
125 |
|
|
} |