|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Contains the RSS style plugin.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Default style plugin to render an RSS feed.
|
|
10
|
*
|
|
11
|
* @ingroup views_style_plugins
|
|
12
|
*/
|
|
13
|
class views_plugin_style_rss extends views_plugin_style {
|
|
14
|
function attach_to($display_id, $path, $title) {
|
|
15
|
$display = $this->view->display[$display_id]->handler;
|
|
16
|
$url_options = array();
|
|
17
|
$input = $this->view->get_exposed_input();
|
|
18
|
if ($input) {
|
|
19
|
$url_options['query'] = $input;
|
|
20
|
}
|
|
21
|
$url_options['absolute'] = TRUE;
|
|
22
|
|
|
23
|
$url = url($this->view->get_url(NULL, $path), $url_options);
|
|
24
|
if ($display->has_path()) {
|
|
25
|
if (empty($this->preview)) {
|
|
26
|
drupal_add_feed($url, $title);
|
|
27
|
}
|
|
28
|
}
|
|
29
|
else {
|
|
30
|
if (empty($this->view->feed_icon)) {
|
|
31
|
$this->view->feed_icon = '';
|
|
32
|
}
|
|
33
|
|
|
34
|
$this->view->feed_icon .= theme('feed_icon', array('url' => $url, 'title' => $title));
|
|
35
|
drupal_add_html_head_link(array(
|
|
36
|
'rel' => 'alternate',
|
|
37
|
'type' => 'application/rss+xml',
|
|
38
|
'title' => $title,
|
|
39
|
'href' => $url
|
|
40
|
));
|
|
41
|
}
|
|
42
|
}
|
|
43
|
|
|
44
|
function option_definition() {
|
|
45
|
$options = parent::option_definition();
|
|
46
|
|
|
47
|
$options['description'] = array('default' => '', 'translatable' => TRUE);
|
|
48
|
|
|
49
|
return $options;
|
|
50
|
}
|
|
51
|
|
|
52
|
function options_form(&$form, &$form_state) {
|
|
53
|
parent::options_form($form, $form_state);
|
|
54
|
|
|
55
|
$form['description'] = array(
|
|
56
|
'#type' => 'textfield',
|
|
57
|
'#title' => t('RSS description'),
|
|
58
|
'#default_value' => $this->options['description'],
|
|
59
|
'#description' => t('This will appear in the RSS feed itself.'),
|
|
60
|
'#maxlength' => 1024,
|
|
61
|
);
|
|
62
|
}
|
|
63
|
|
|
64
|
/**
|
|
65
|
* Return an array of additional XHTML elements to add to the channel.
|
|
66
|
*
|
|
67
|
* @return
|
|
68
|
* An array that can be passed to format_xml_elements().
|
|
69
|
*/
|
|
70
|
function get_channel_elements() {
|
|
71
|
return array();
|
|
72
|
}
|
|
73
|
|
|
74
|
/**
|
|
75
|
* Return an atom:link XHTML element to add to the channel to comply with
|
|
76
|
* the RSS 2.0 specification.
|
|
77
|
*
|
|
78
|
* @see http://validator.w3.org/feed/docs/warning/MissingAtomSelfLink.html
|
|
79
|
*
|
|
80
|
* @return
|
|
81
|
* An array that can be passed to format_xml_elements().
|
|
82
|
*/
|
|
83
|
function get_channel_elements_atom_link() {
|
|
84
|
$url_options = array('absolute' => TRUE);
|
|
85
|
$input = $this->view->get_exposed_input();
|
|
86
|
if ($input) {
|
|
87
|
$url_options['query'] = $input;
|
|
88
|
}
|
|
89
|
$url = url($this->view->get_url(), $url_options);
|
|
90
|
|
|
91
|
return array(
|
|
92
|
array(
|
|
93
|
'namespace' => array('xmlns:atom' => 'http://www.w3.org/2005/Atom'),
|
|
94
|
'key' => 'atom:link',
|
|
95
|
'attributes' => array(
|
|
96
|
'href' => $url,
|
|
97
|
'rel' => 'self',
|
|
98
|
'type' => 'application/rss+xml',
|
|
99
|
),
|
|
100
|
),
|
|
101
|
);
|
|
102
|
}
|
|
103
|
|
|
104
|
/**
|
|
105
|
* Get RSS feed description.
|
|
106
|
*
|
|
107
|
* @return string
|
|
108
|
* The string containing the description with the tokens replaced.
|
|
109
|
*/
|
|
110
|
function get_description() {
|
|
111
|
$description = $this->options['description'];
|
|
112
|
|
|
113
|
// Allow substitutions from the first row.
|
|
114
|
$description = $this->tokenize_value($description, 0);
|
|
115
|
|
|
116
|
return $description;
|
|
117
|
}
|
|
118
|
|
|
119
|
function render() {
|
|
120
|
if (empty($this->row_plugin)) {
|
|
121
|
vpr('views_plugin_style_default: Missing row plugin');
|
|
122
|
return;
|
|
123
|
}
|
|
124
|
$rows = '';
|
|
125
|
|
|
126
|
// This will be filled in by the row plugin and is used later on in the
|
|
127
|
// theming output.
|
|
128
|
$this->namespaces = array('xmlns:dc' => 'http://purl.org/dc/elements/1.1/');
|
|
129
|
|
|
130
|
// Fetch any additional elements for the channel and merge in their
|
|
131
|
// namespaces.
|
|
132
|
$this->channel_elements = array_merge(
|
|
133
|
$this->get_channel_elements(),
|
|
134
|
$this->get_channel_elements_atom_link()
|
|
135
|
);
|
|
136
|
foreach ($this->channel_elements as $element) {
|
|
137
|
if (isset($element['namespace'])) {
|
|
138
|
$this->namespaces = array_merge($this->namespaces, $element['namespace']);
|
|
139
|
}
|
|
140
|
}
|
|
141
|
|
|
142
|
foreach ($this->view->result as $row_index => $row) {
|
|
143
|
$this->view->row_index = $row_index;
|
|
144
|
$rows .= $this->row_plugin->render($row);
|
|
145
|
}
|
|
146
|
|
|
147
|
$output = theme($this->theme_functions(),
|
|
148
|
array(
|
|
149
|
'view' => $this->view,
|
|
150
|
'options' => $this->options,
|
|
151
|
'rows' => $rows
|
|
152
|
));
|
|
153
|
unset($this->view->row_index);
|
|
154
|
return $output;
|
|
155
|
}
|
|
156
|
}
|
