1 |
85ad3d82
|
Assos Assos
|
<?php
|
2 |
|
|
|
3 |
|
|
/**
|
4 |
|
|
* @file
|
5 |
|
|
* Contains the feed display plugin.
|
6 |
|
|
*/
|
7 |
|
|
|
8 |
|
|
/**
|
9 |
|
|
* The plugin that handles a feed, such as RSS or atom.
|
10 |
|
|
*
|
11 |
|
|
* For the most part, feeds are page displays but with some subtle differences.
|
12 |
|
|
*
|
13 |
|
|
* @ingroup views_display_plugins
|
14 |
|
|
*/
|
15 |
|
|
class views_plugin_display_feed extends views_plugin_display_page {
|
16 |
|
|
function init(&$view, &$display, $options = NULL) {
|
17 |
|
|
parent::init($view, $display, $options);
|
18 |
|
|
|
19 |
|
|
// Set the default row style. Ideally this would be part of the option
|
20 |
|
|
// definition, but in this case it's dependent on the view's base table,
|
21 |
|
|
// which we don't know until init().
|
22 |
|
|
$row_plugins = views_fetch_plugin_names('row', $this->get_style_type(), array($view->base_table));
|
23 |
|
|
$default_row_plugin = key($row_plugins);
|
24 |
|
|
if ($this->options['row_plugin'] == '') {
|
25 |
|
|
$this->options['row_plugin'] = $default_row_plugin;
|
26 |
|
|
}
|
27 |
|
|
}
|
28 |
|
|
|
29 |
|
|
function uses_breadcrumb() { return FALSE; }
|
30 |
|
|
function get_style_type() { return 'feed'; }
|
31 |
|
|
|
32 |
|
|
/**
|
33 |
|
|
* Feeds do not go through the normal page theming mechanism. Instead, they
|
34 |
|
|
* go through their own little theme function and then return NULL so that
|
35 |
|
|
* Drupal believes that the page has already rendered itself...which it has.
|
36 |
|
|
*/
|
37 |
|
|
function execute() {
|
38 |
|
|
$output = $this->view->render();
|
39 |
|
|
if (empty($output)) {
|
40 |
6eb8d15f
|
Assos Assos
|
return MENU_NOT_FOUND;
|
41 |
85ad3d82
|
Assos Assos
|
}
|
42 |
|
|
print $output;
|
43 |
|
|
}
|
44 |
|
|
|
45 |
|
|
function preview() {
|
46 |
|
|
if (!empty($this->view->live_preview)) {
|
47 |
|
|
return '<pre>' . check_plain($this->view->render()) . '</pre>';
|
48 |
|
|
}
|
49 |
|
|
return $this->view->render();
|
50 |
|
|
}
|
51 |
|
|
|
52 |
|
|
/**
|
53 |
|
|
* Instead of going through the standard views_view.tpl.php, delegate this
|
54 |
|
|
* to the style handler.
|
55 |
|
|
*/
|
56 |
|
|
function render() {
|
57 |
|
|
return $this->view->style_plugin->render($this->view->result);
|
58 |
|
|
}
|
59 |
|
|
|
60 |
|
|
function defaultable_sections($section = NULL) {
|
61 |
|
|
if (in_array($section, array('style_options', 'style_plugin', 'row_options', 'row_plugin',))) {
|
62 |
|
|
return FALSE;
|
63 |
|
|
}
|
64 |
|
|
|
65 |
|
|
$sections = parent::defaultable_sections($section);
|
66 |
|
|
|
67 |
|
|
// Tell views our sitename_title option belongs in the title section.
|
68 |
|
|
if ($section == 'title') {
|
69 |
|
|
$sections[] = 'sitename_title';
|
70 |
|
|
}
|
71 |
|
|
elseif (!$section) {
|
72 |
|
|
$sections['title'][] = 'sitename_title';
|
73 |
|
|
}
|
74 |
|
|
return $sections;
|
75 |
|
|
}
|
76 |
|
|
|
77 |
|
|
function option_definition() {
|
78 |
|
|
$options = parent::option_definition();
|
79 |
|
|
|
80 |
|
|
$options['displays'] = array('default' => array());
|
81 |
|
|
|
82 |
|
|
// Overrides for standard stuff:
|
83 |
|
|
$options['style_plugin']['default'] = 'rss';
|
84 |
|
|
$options['style_options']['default'] = array('description' => '');
|
85 |
|
|
$options['sitename_title']['default'] = FALSE;
|
86 |
|
|
$options['row_plugin']['default'] = '';
|
87 |
|
|
$options['defaults']['default']['style_plugin'] = FALSE;
|
88 |
|
|
$options['defaults']['default']['style_options'] = FALSE;
|
89 |
|
|
$options['defaults']['default']['row_plugin'] = FALSE;
|
90 |
|
|
$options['defaults']['default']['row_options'] = FALSE;
|
91 |
|
|
|
92 |
|
|
return $options;
|
93 |
|
|
}
|
94 |
|
|
|
95 |
|
|
function options_summary(&$categories, &$options) {
|
96 |
|
|
// It is very important to call the parent function here:
|
97 |
|
|
parent::options_summary($categories, $options);
|
98 |
|
|
|
99 |
|
|
// Since we're childing off the 'page' type, we'll still *call* our
|
100 |
|
|
// category 'page' but let's override it so it says feed settings.
|
101 |
|
|
$categories['page'] = array(
|
102 |
|
|
'title' => t('Feed settings'),
|
103 |
|
|
'column' => 'second',
|
104 |
|
|
'build' => array(
|
105 |
|
|
'#weight' => -10,
|
106 |
|
|
),
|
107 |
|
|
);
|
108 |
|
|
|
109 |
|
|
if ($this->get_option('sitename_title')) {
|
110 |
|
|
$options['title']['value'] = t('Using the site name');
|
111 |
|
|
}
|
112 |
|
|
|
113 |
|
|
// I don't think we want to give feeds menus directly.
|
114 |
|
|
unset($options['menu']);
|
115 |
|
|
|
116 |
|
|
$displays = array_filter($this->get_option('displays'));
|
117 |
|
|
if (count($displays) > 1) {
|
118 |
|
|
$attach_to = t('Multiple displays');
|
119 |
|
|
}
|
120 |
|
|
elseif (count($displays) == 1) {
|
121 |
|
|
$display = array_shift($displays);
|
122 |
|
|
if (!empty($this->view->display[$display])) {
|
123 |
|
|
$attach_to = check_plain($this->view->display[$display]->display_title);
|
124 |
|
|
}
|
125 |
|
|
}
|
126 |
|
|
|
127 |
|
|
if (!isset($attach_to)) {
|
128 |
|
|
$attach_to = t('None');
|
129 |
|
|
}
|
130 |
|
|
|
131 |
|
|
$options['displays'] = array(
|
132 |
|
|
'category' => 'page',
|
133 |
|
|
'title' => t('Attach to'),
|
134 |
|
|
'value' => $attach_to,
|
135 |
|
|
);
|
136 |
|
|
}
|
137 |
|
|
|
138 |
|
|
/**
|
139 |
|
|
* Provide the default form for setting options.
|
140 |
|
|
*/
|
141 |
|
|
function options_form(&$form, &$form_state) {
|
142 |
|
|
// It is very important to call the parent function here.
|
143 |
|
|
parent::options_form($form, $form_state);
|
144 |
|
|
|
145 |
|
|
switch ($form_state['section']) {
|
146 |
|
|
case 'title':
|
147 |
|
|
$title = $form['title'];
|
148 |
|
|
// A little juggling to move the 'title' field beyond our checkbox.
|
149 |
|
|
unset($form['title']);
|
150 |
|
|
$form['sitename_title'] = array(
|
151 |
|
|
'#type' => 'checkbox',
|
152 |
|
|
'#title' => t('Use the site name for the title'),
|
153 |
|
|
'#default_value' => $this->get_option('sitename_title'),
|
154 |
|
|
);
|
155 |
|
|
$form['title'] = $title;
|
156 |
|
|
$form['title']['#dependency'] = array('edit-sitename-title' => array(FALSE));
|
157 |
|
|
break;
|
158 |
|
|
case 'displays':
|
159 |
|
|
$form['#title'] .= t('Attach to');
|
160 |
|
|
$displays = array();
|
161 |
|
|
foreach ($this->view->display as $display_id => $display) {
|
162 |
|
|
if (!empty($display->handler) && $display->handler->accept_attachments()) {
|
163 |
|
|
$displays[$display_id] = $display->display_title;
|
164 |
|
|
}
|
165 |
|
|
}
|
166 |
|
|
$form['displays'] = array(
|
167 |
|
|
'#type' => 'checkboxes',
|
168 |
|
|
'#description' => t('The feed icon will be available only to the selected displays.'),
|
169 |
|
|
'#options' => $displays,
|
170 |
|
|
'#default_value' => $this->get_option('displays'),
|
171 |
|
|
);
|
172 |
|
|
break;
|
173 |
|
|
case 'path':
|
174 |
|
|
$form['path']['#description'] = t('This view will be displayed by visiting this path on your site. It is recommended that the path be something like "path/%/%/feed" or "path/%/%/rss.xml", putting one % in the path for each contextual filter you have defined in the view.');
|
175 |
|
|
}
|
176 |
|
|
}
|
177 |
|
|
|
178 |
|
|
/**
|
179 |
|
|
* Perform any necessary changes to the form values prior to storage.
|
180 |
|
|
* There is no need for this function to actually store the data.
|
181 |
|
|
*/
|
182 |
|
|
function options_submit(&$form, &$form_state) {
|
183 |
|
|
// It is very important to call the parent function here:
|
184 |
|
|
parent::options_submit($form, $form_state);
|
185 |
|
|
switch ($form_state['section']) {
|
186 |
|
|
case 'title':
|
187 |
|
|
$this->set_option('sitename_title', $form_state['values']['sitename_title']);
|
188 |
|
|
break;
|
189 |
|
|
case 'displays':
|
190 |
|
|
$this->set_option($form_state['section'], $form_state['values'][$form_state['section']]);
|
191 |
|
|
break;
|
192 |
|
|
}
|
193 |
|
|
}
|
194 |
|
|
|
195 |
|
|
/**
|
196 |
|
|
* Attach to another view.
|
197 |
|
|
*/
|
198 |
|
|
function attach_to($display_id) {
|
199 |
|
|
$displays = $this->get_option('displays');
|
200 |
|
|
if (empty($displays[$display_id])) {
|
201 |
|
|
return;
|
202 |
|
|
}
|
203 |
|
|
|
204 |
|
|
// Defer to the feed style; it may put in meta information, and/or
|
205 |
|
|
// attach a feed icon.
|
206 |
|
|
$plugin = $this->get_plugin();
|
207 |
|
|
if ($plugin) {
|
208 |
|
|
$clone = $this->view->clone_view();
|
209 |
|
|
$clone->set_display($this->display->id);
|
210 |
|
|
$clone->build_title();
|
211 |
|
|
$plugin->attach_to($display_id, $this->get_path(), $clone->get_title());
|
212 |
|
|
|
213 |
|
|
// Clean up
|
214 |
|
|
$clone->destroy();
|
215 |
|
|
unset($clone);
|
216 |
|
|
}
|
217 |
|
|
}
|
218 |
|
|
|
219 |
|
|
function uses_link_display() {
|
220 |
|
|
return TRUE;
|
221 |
|
|
}
|
222 |
|
|
} |