|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Definition of views_plugin_exposed_form_input_required.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Exposed form plugin that provides an exposed form with required input.
|
|
10
|
*
|
|
11
|
* @ingroup views_exposed_form_plugins
|
|
12
|
*/
|
|
13
|
class views_plugin_exposed_form_input_required extends views_plugin_exposed_form {
|
|
14
|
|
|
15
|
function option_definition() {
|
|
16
|
$options = parent::option_definition();
|
|
17
|
|
|
18
|
$options['text_input_required'] = array('default' => 'Select any filter and click on Apply to see results', 'translatable' => TRUE);
|
|
19
|
$options['text_input_required_format'] = array('default' => NULL);
|
|
20
|
return $options;
|
|
21
|
}
|
|
22
|
|
|
23
|
function options_form(&$form, &$form_state) {
|
|
24
|
parent::options_form($form, $form_state);
|
|
25
|
|
|
26
|
$form['text_input_required'] = array(
|
|
27
|
'#type' => 'text_format',
|
|
28
|
'#title' => t('Text on demand'),
|
|
29
|
'#description' => t('Text to display instead of results until the user selects and applies an exposed filter.'),
|
|
30
|
'#default_value' => $this->options['text_input_required'],
|
|
31
|
'#format' => isset($this->options['text_input_required_format']) ? $this->options['text_input_required_format'] : filter_default_format(),
|
|
32
|
'#wysiwyg' => FALSE,
|
|
33
|
);
|
|
34
|
}
|
|
35
|
|
|
36
|
function options_submit(&$form, &$form_state) {
|
|
37
|
$form_state['values']['exposed_form_options']['text_input_required_format'] = $form_state['values']['exposed_form_options']['text_input_required']['format'];
|
|
38
|
$form_state['values']['exposed_form_options']['text_input_required'] = $form_state['values']['exposed_form_options']['text_input_required']['value'];
|
|
39
|
parent::options_submit($form, $form_state);
|
|
40
|
}
|
|
41
|
|
|
42
|
function exposed_filter_applied() {
|
|
43
|
static $cache = NULL;
|
|
44
|
if (!isset($cache)) {
|
|
45
|
$view = $this->view;
|
|
46
|
if (is_array($view->filter) && count($view->filter)) {
|
|
47
|
foreach ($view->filter as $filter_id => $filter) {
|
|
48
|
if ($filter->is_exposed()) {
|
|
49
|
$identifier = $filter->options['expose']['identifier'];
|
|
50
|
if (isset($view->exposed_input[$identifier])) {
|
|
51
|
$cache = TRUE;
|
|
52
|
return $cache;
|
|
53
|
}
|
|
54
|
}
|
|
55
|
}
|
|
56
|
}
|
|
57
|
$cache = FALSE;
|
|
58
|
}
|
|
59
|
|
|
60
|
return $cache;
|
|
61
|
}
|
|
62
|
|
|
63
|
function pre_render($values) {
|
|
64
|
if (!$this->exposed_filter_applied()) {
|
|
65
|
$options = array(
|
|
66
|
'id' => 'area',
|
|
67
|
'table' => 'views',
|
|
68
|
'field' => 'area',
|
|
69
|
'label' => '',
|
|
70
|
'relationship' => 'none',
|
|
71
|
'group_type' => 'group',
|
|
72
|
'content' => $this->options['text_input_required'],
|
|
73
|
'format' => $this->options['text_input_required_format'],
|
|
74
|
'empty' => TRUE,
|
|
75
|
);
|
|
76
|
$handler = views_get_handler('views', 'area', 'area');
|
|
77
|
$handler->init($this->view, $options);
|
|
78
|
$this->display->handler->handlers['empty'] = array(
|
|
79
|
'area' => $handler,
|
|
80
|
);
|
|
81
|
$this->display->handler->set_option('empty', array('text' => $options));
|
|
82
|
}
|
|
83
|
}
|
|
84
|
|
|
85
|
function query() {
|
|
86
|
if (!$this->exposed_filter_applied()) {
|
|
87
|
// We return with no query; this will force the empty text.
|
|
88
|
$this->view->built = TRUE;
|
|
89
|
$this->view->executed = TRUE;
|
|
90
|
$this->view->result = array();
|
|
91
|
}
|
|
92
|
else {
|
|
93
|
parent::query();
|
|
94
|
}
|
|
95
|
}
|
|
96
|
|
|
97
|
}
|
