|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Provide a views handlers for votingapi data fields.
|
|
6
|
*/
|
|
7
|
|
|
8
|
class votingapi_views_handler_sort_nullable extends views_handler_sort {
|
|
9
|
function option_definition() {
|
|
10
|
$options = parent::option_definition();
|
|
11
|
$options['coalesce'] = array('default' => FALSE);
|
|
12
|
$options['null_value'] = array('default' => 0);
|
|
13
|
return $options;
|
|
14
|
}
|
|
15
|
|
|
16
|
function options_form(&$form, &$form_state) {
|
|
17
|
parent::options_form($form, $form_state);
|
|
18
|
|
|
19
|
$form['coalesce'] = array(
|
|
20
|
'#type' => 'checkbox',
|
|
21
|
'#title' => t('Treat missing votes as zeros'),
|
|
22
|
'#default_value' => $this->options['coalesce'],
|
|
23
|
);
|
|
24
|
}
|
|
25
|
|
|
26
|
/**
|
|
27
|
* Called to add the sort to a query.
|
|
28
|
*/
|
|
29
|
function query() {
|
|
30
|
$this->ensure_my_table();
|
|
31
|
// Add the field.
|
|
32
|
|
|
33
|
if ($this->options['coalesce']) {
|
|
34
|
$this->query->add_orderby(NULL, "COALESCE($this->table_alias.$this->field, 0)", $this->options['order'], $this->table_alias . '_' . $this->field . '_coalesced');
|
|
35
|
}
|
|
36
|
else {
|
|
37
|
$this->query->add_orderby($this->table_alias, $this->real_field, $this->options['order']);
|
|
38
|
}
|
|
39
|
}
|
|
40
|
}
|
