3 * Laconica, the distributed open-source microblogging tool
5 * Base class for all actions (~views)
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@controlyourself.ca>
25 * @author Sarven Capadisli <csarven@controlyourself.ca>
26 * @copyright 2008 Control Yourself, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
28 * @link http://laconi.ca/
31 if (!defined('LACONICA')) {
35 require_once INSTALLDIR.'/lib/noticeform.php';
36 require_once INSTALLDIR.'/lib/htmloutputter.php';
39 * Base class for all actions
41 * This is the base class for all actions in the package. An action is
42 * more or less a "view" in an MVC framework.
44 * Actions are responsible for extracting and validating parameters; using
45 * model classes to read and write to the database; and doing ouput.
49 * @author Evan Prodromou <evan@controlyourself.ca>
50 * @author Sarven Capadisli <csarven@controlyourself.ca>
51 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
52 * @link http://laconi.ca/
56 class Action extends HTMLOutputter // lawsuit
63 * Just wraps the HTMLOutputter constructor.
65 * @param string $output URI to output to, default = stdout
66 * @param boolean $indent Whether to indent output, default true
68 * @see XMLOutputter::__construct
69 * @see HTMLOutputter::__construct
71 function __construct($output='php://output', $indent=true)
73 parent::__construct($output, $indent);
77 * For initializing members of the class.
79 * @param array $argarray misc. arguments
81 * @return boolean true
83 function prepare($argarray)
85 $this->args =& common_copy_args($argarray);
90 * Show page, a template method.
96 if (Event::handle('StartShowHTML', array($this))) {
98 Event::handle('EndShowHTML', array($this));
100 if (Event::handle('StartShowHead', array($this))) {
102 Event::handle('EndShowHead', array($this));
104 if (Event::handle('StartShowBody', array($this))) {
106 Event::handle('EndShowBody', array($this));
108 if (Event::handle('StartEndHTML', array($this))) {
110 Event::handle('EndEndHTML', array($this));
115 * Show head, a template method.
121 // XXX: attributes (profile?)
122 $this->elementStart('head');
124 $this->showShortcutIcon();
125 $this->showStylesheets();
126 $this->showScripts();
127 $this->showRelationshipLinks();
128 $this->showOpenSearch();
130 $this->showDescription();
132 $this->elementEnd('head');
136 * Show title, a template method.
142 $this->element('title', null,
143 sprintf(_("%s - %s"),
145 common_config('site', 'name')));
149 * Returns the page title
153 * @return string page title
158 return _("Untitled page");
162 * Show themed shortcut icon
166 function showShortcutIcon()
168 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/favicon.ico')) {
169 $this->element('link', array('rel' => 'shortcut icon',
170 'href' => theme_path('favicon.ico')));
172 $this->element('link', array('rel' => 'shortcut icon',
173 'href' => common_path('favicon.ico')));
176 if (common_config('site', 'mobile')) {
177 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/apple-touch-icon.png')) {
178 $this->element('link', array('rel' => 'apple-touch-icon',
179 'href' => theme_path('apple-touch-icon.png')));
181 $this->element('link', array('rel' => 'apple-touch-icon',
182 'href' => common_path('apple-touch-icon.png')));
192 function showStylesheets()
194 if (Event::handle('StartShowStyles', array($this))) {
195 if (Event::handle('StartShowLaconicaStyles', array($this))) {
196 $this->element('link', array('rel' => 'stylesheet',
197 'type' => 'text/css',
198 'href' => theme_path('css/display.css', null) . '?version=' . LACONICA_VERSION,
199 'media' => 'screen, projection, tv'));
200 if (common_config('site', 'mobile')) {
201 $this->element('link', array('rel' => 'stylesheet',
202 'type' => 'text/css',
203 'href' => theme_path('css/mobile.css', 'base') . '?version=' . LACONICA_VERSION,
204 // TODO: "handheld" CSS for other mobile devices
205 'media' => 'only screen and (max-device-width: 480px)')); // Mobile WebKit
207 $this->element('link', array('rel' => 'stylesheet',
208 'type' => 'text/css',
209 'href' => theme_path('css/print.css', 'base') . '?version=' . LACONICA_VERSION,
210 'media' => 'print'));
211 Event::handle('EndShowLaconicaStyles', array($this));
213 if (Event::handle('StartShowUAStyles', array($this))) {
214 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
215 'href="'.theme_path('css/ie.css', 'base').'?version='.LACONICA_VERSION.'" /><![endif]');
216 foreach (array(6,7) as $ver) {
217 if (file_exists(theme_file('css/ie'.$ver.'.css', 'base'))) {
218 // Yes, IE people should be put in jail.
219 $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
220 'href="'.theme_path('css/ie'.$ver.'.css', 'base').'?version='.LACONICA_VERSION.'" /><![endif]');
223 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
224 'href="'.theme_path('css/ie.css', null).'?version='.LACONICA_VERSION.'" /><![endif]');
225 Event::handle('EndShowUAStyles', array($this));
227 if (Event::handle('StartShowDesign', array($this))) {
228 $design = $this->getDesign();
229 if (!empty($design)) {
230 $cur = common_current_user();
231 if (empty($cur) || $cur->viewdesigns) {
232 $design->showCSS($this);
235 Event::handle('EndShowDesign', array($this, $design));
237 Event::handle('EndShowStyles', array($this));
242 * Show javascript headers
246 function showScripts()
248 if (Event::handle('StartShowScripts', array($this))) {
249 if (Event::handle('StartShowJQueryScripts', array($this))) {
250 $this->element('script', array('type' => 'text/javascript',
251 'src' => common_path('js/jquery.min.js')),
253 $this->element('script', array('type' => 'text/javascript',
254 'src' => common_path('js/jquery.form.js')),
257 $this->element('script', array('type' => 'text/javascript',
258 'src' => common_path('js/jquery.joverlay.min.js')),
261 Event::handle('EndShowJQueryScripts', array($this));
263 if (Event::handle('StartShowLaconicaScripts', array($this))) {
264 $this->element('script', array('type' => 'text/javascript',
265 'src' => common_path('js/xbImportNode.js')),
267 $this->element('script', array('type' => 'text/javascript',
268 'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
270 // Frame-busting code to avoid clickjacking attacks.
271 $this->element('script', array('type' => 'text/javascript'),
272 'if (window.top !== window.self) { window.top.location.href = window.self.location.href; }');
273 Event::handle('EndShowLaconicaScripts', array($this));
275 Event::handle('EndShowScripts', array($this));
280 * Show document relationship links
286 function showRelationshipLinks()
288 // output <link> elements with appropriate HTML4.01 link types:
289 // http://www.w3.org/TR/html401/types.html#type-links
293 * Show OpenSearch headers
297 function showOpenSearch()
299 $this->element('link', array('rel' => 'search',
300 'type' => 'application/opensearchdescription+xml',
301 'href' => common_local_url('opensearch', array('type' => 'people')),
302 'title' => common_config('site', 'name').' People Search'));
303 $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
304 'href' => common_local_url('opensearch', array('type' => 'notice')),
305 'title' => common_config('site', 'name').' Notice Search'));
318 $feeds = $this->getFeeds();
321 foreach ($feeds as $feed) {
322 $this->element('link', array('rel' => $feed->rel(),
323 'href' => $feed->url,
324 'type' => $feed->mimeType(),
325 'title' => $feed->title));
337 function showDescription()
339 // does nothing by default
343 * Show extra stuff in <head>.
351 // does nothing by default
357 * Calls template methods
363 $this->elementStart('body', (common_current_user()) ? array('id' => $this->trimmed('action'),
364 'class' => 'user_in')
365 : array('id' => $this->trimmed('action')));
366 $this->elementStart('div', array('id' => 'wrap'));
367 if (Event::handle('StartShowHeader', array($this))) {
369 Event::handle('EndShowHeader', array($this));
372 if (Event::handle('StartShowFooter', array($this))) {
374 Event::handle('EndShowFooter', array($this));
376 $this->elementEnd('div');
377 $this->elementEnd('body');
381 * Show header of the page.
383 * Calls template methods
387 function showHeader()
389 $this->elementStart('div', array('id' => 'header'));
391 $this->showPrimaryNav();
392 $this->showSiteNotice();
393 if (common_logged_in()) {
394 $this->showNoticeForm();
396 $this->showAnonymousMessage();
398 $this->elementEnd('div');
402 * Show configured logo.
408 $this->elementStart('address', array('id' => 'site_contact',
409 'class' => 'vcard'));
410 $this->elementStart('a', array('class' => 'url home bookmark',
411 'href' => common_local_url('public')));
412 if (common_config('site', 'logo') || file_exists(theme_file('logo.png'))) {
413 $this->element('img', array('class' => 'logo photo',
414 'src' => (common_config('site', 'logo')) ? common_config('site', 'logo') : theme_path('logo.png'),
415 'alt' => common_config('site', 'name')));
417 $this->element('span', array('class' => 'fn org'), common_config('site', 'name'));
418 $this->elementEnd('a');
419 $this->elementEnd('address');
423 * Show primary navigation.
427 function showPrimaryNav()
429 $user = common_current_user();
431 $this->elementStart('dl', array('id' => 'site_nav_global_primary'));
432 $this->element('dt', null, _('Primary site navigation'));
433 $this->elementStart('dd');
434 $this->elementStart('ul', array('class' => 'nav'));
435 if (Event::handle('StartPrimaryNav', array($this))) {
437 $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
438 _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
439 $this->menuItem(common_local_url('profilesettings'),
440 _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
441 if (common_config('xmpp', 'enabled')) {
442 $this->menuItem(common_local_url('imsettings'),
443 _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
445 $this->menuItem(common_local_url('smssettings'),
446 _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
448 $this->menuItem(common_local_url('invite'),
450 sprintf(_('Invite friends and colleagues to join you on %s'),
451 common_config('site', 'name')),
452 false, 'nav_invitecontact');
453 $this->menuItem(common_local_url('logout'),
454 _('Logout'), _('Logout from the site'), false, 'nav_logout');
457 if (!common_config('site', 'closed')) {
458 $this->menuItem(common_local_url('register'),
459 _('Register'), _('Create an account'), false, 'nav_register');
461 $this->menuItem(common_local_url('openidlogin'),
462 _('OpenID'), _('Login with OpenID'), false, 'nav_openid');
463 $this->menuItem(common_local_url('login'),
464 _('Login'), _('Login to the site'), false, 'nav_login');
466 $this->menuItem(common_local_url('doc', array('title' => 'help')),
467 _('Help'), _('Help me!'), false, 'nav_help');
468 $this->menuItem(common_local_url('peoplesearch'),
469 _('Search'), _('Search for people or text'), false, 'nav_search');
470 Event::handle('EndPrimaryNav', array($this));
472 $this->elementEnd('ul');
473 $this->elementEnd('dd');
474 $this->elementEnd('dl');
482 function showSiteNotice()
484 // Revist. Should probably do an hAtom pattern here
485 $text = common_config('site', 'notice');
487 $this->elementStart('dl', array('id' => 'site_notice',
488 'class' => 'system_notice'));
489 $this->element('dt', null, _('Site notice'));
490 $this->elementStart('dd', null);
492 $this->elementEnd('dd');
493 $this->elementEnd('dl');
500 * MAY overload if no notice form needed... or direct message box????
504 function showNoticeForm()
506 $notice_form = new NoticeForm($this);
507 $notice_form->show();
511 * Show anonymous message.
517 function showAnonymousMessage()
519 // needs to be defined by the class
525 * Shows local navigation, content block and aside.
531 $this->elementStart('div', array('id' => 'core'));
532 if (Event::handle('StartShowLocalNavBlock', array($this))) {
533 $this->showLocalNavBlock();
534 Event::handle('EndShowLocalNavBlock', array($this));
536 if (Event::handle('StartShowContentBlock', array($this))) {
537 $this->showContentBlock();
538 Event::handle('EndShowContentBlock', array($this));
541 $this->elementEnd('div');
545 * Show local navigation block.
549 function showLocalNavBlock()
551 $this->elementStart('dl', array('id' => 'site_nav_local_views'));
552 $this->element('dt', null, _('Local views'));
553 $this->elementStart('dd');
554 $this->showLocalNav();
555 $this->elementEnd('dd');
556 $this->elementEnd('dl');
560 * Show local navigation.
566 function showLocalNav()
568 // does nothing by default
572 * Show content block.
576 function showContentBlock()
578 $this->elementStart('div', array('id' => 'content'));
579 $this->showPageTitle();
580 $this->showPageNoticeBlock();
581 $this->elementStart('div', array('id' => 'content_inner'));
582 // show the actual content (forms, lists, whatever)
583 $this->showContent();
584 $this->elementEnd('div');
585 $this->elementEnd('div');
593 function showPageTitle()
595 $this->element('h1', null, $this->title());
599 * Show page notice block.
603 function showPageNoticeBlock()
605 $this->elementStart('dl', array('id' => 'page_notice',
606 'class' => 'system_notice'));
607 $this->element('dt', null, _('Page notice'));
608 $this->elementStart('dd');
609 if (Event::handle('StartShowPageNotice', array($this))) {
610 $this->showPageNotice();
611 Event::handle('EndShowPageNotice', array($this));
613 $this->elementEnd('dd');
614 $this->elementEnd('dl');
620 * SHOULD overload (unless there's not a notice)
624 function showPageNotice()
631 * MUST overload (unless there's not a notice)
635 function showContent()
647 $this->elementStart('div', array('id' => 'aside_primary',
648 'class' => 'aside'));
649 if (Event::handle('StartShowExportData', array($this))) {
650 $this->showExportData();
651 Event::handle('EndShowExportData', array($this));
653 if (Event::handle('StartShowSections', array($this))) {
654 $this->showSections();
655 Event::handle('EndShowSections', array($this));
657 $this->elementEnd('div');
661 * Show export data feeds.
666 function showExportData()
668 $feeds = $this->getFeeds();
670 $fl = new FeedList($this);
682 function showSections()
684 // for each section, show it
692 function showFooter()
694 $this->elementStart('div', array('id' => 'footer'));
695 $this->showSecondaryNav();
696 $this->showLicenses();
697 $this->elementEnd('div');
701 * Show secondary navigation.
705 function showSecondaryNav()
707 $this->elementStart('dl', array('id' => 'site_nav_global_secondary'));
708 $this->element('dt', null, _('Secondary site navigation'));
709 $this->elementStart('dd', null);
710 $this->elementStart('ul', array('class' => 'nav'));
711 if (Event::handle('StartSecondaryNav', array($this))) {
712 $this->menuItem(common_local_url('doc', array('title' => 'help')),
714 $this->menuItem(common_local_url('doc', array('title' => 'about')),
716 $this->menuItem(common_local_url('doc', array('title' => 'faq')),
718 $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
720 $this->menuItem(common_local_url('doc', array('title' => 'source')),
722 $this->menuItem(common_local_url('doc', array('title' => 'contact')),
724 $this->menuItem(common_local_url('doc', array('title' => 'badge')),
726 Event::handle('EndSecondaryNav', array($this));
728 $this->elementEnd('ul');
729 $this->elementEnd('dd');
730 $this->elementEnd('dl');
738 function showLicenses()
740 $this->elementStart('dl', array('id' => 'licenses'));
741 $this->showLaconicaLicense();
742 $this->showContentLicense();
743 $this->elementEnd('dl');
747 * Show Laconica license.
751 function showLaconicaLicense()
753 $this->element('dt', array('id' => 'site_laconica_license'), _('Laconica software license'));
754 $this->elementStart('dd', null);
755 if (common_config('site', 'broughtby')) {
756 $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
758 $instr = _('**%%site.name%%** is a microblogging service. ');
760 $instr .= sprintf(_('It runs the [Laconica](http://laconi.ca/) microblogging software, version %s, available under the [GNU Affero General Public License](http://www.fsf.org/licensing/licenses/agpl-3.0.html).'), LACONICA_VERSION);
761 $output = common_markup_to_html($instr);
763 $this->elementEnd('dd');
768 * Show content license.
772 function showContentLicense()
774 $this->element('dt', array('id' => 'site_content_license'), _('Laconica software license'));
775 $this->elementStart('dd', array('id' => 'site_content_license_cc'));
776 $this->elementStart('p');
777 $this->element('img', array('id' => 'license_cc',
778 'src' => common_config('license', 'image'),
779 'alt' => common_config('license', 'title')));
780 //TODO: This is dirty: i18n
781 $this->text(_('All '.common_config('site', 'name').' content and data are available under the '));
782 $this->element('a', array('class' => 'license',
783 'rel' => 'external license',
784 'href' => common_config('license', 'url')),
785 common_config('license', 'title'));
786 $this->text(_('license.'));
787 $this->elementEnd('p');
788 $this->elementEnd('dd');
792 * Return last modified, if applicable.
796 * @return string last modified http header
798 function lastModified()
800 // For comparison with If-Last-Modified
801 // If not applicable, return null
806 * Return etag, if applicable.
810 * @return string etag http header
818 * Return true if read only.
822 * @param array $args other arguments
824 * @return boolean is read only action?
827 function isReadOnly($args)
833 * Returns query argument or default value if not found
835 * @param string $key requested argument
836 * @param string $def default value to return if $key is not provided
838 * @return boolean is read only action?
840 function arg($key, $def=null)
842 if (array_key_exists($key, $this->args)) {
843 return $this->args[$key];
850 * Returns trimmed query argument or default value if not found
852 * @param string $key requested argument
853 * @param string $def default value to return if $key is not provided
855 * @return boolean is read only action?
857 function trimmed($key, $def=null)
859 $arg = $this->arg($key, $def);
860 return is_string($arg) ? trim($arg) : $arg;
866 * @param array $argarray is ignored since it's now passed in in prepare()
868 * @return boolean is read only action?
870 function handle($argarray=null)
872 $lm = $this->lastModified();
873 $etag = $this->etag();
875 header('ETag: ' . $etag);
878 header('Last-Modified: ' . date(DATE_RFC1123, $lm));
879 if (array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER)) {
880 $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
881 $ims = strtotime($if_modified_since);
883 $if_none_match = (array_key_exists('HTTP_IF_NONE_MATCH', $_SERVER)) ?
884 $_SERVER['HTTP_IF_NONE_MATCH'] : null;
885 if (!$if_none_match ||
887 $this->_hasEtag($etag, $if_none_match)) {
888 header('HTTP/1.1 304 Not Modified');
889 // Better way to do this?
898 * Has etag? (private)
900 * @param string $etag etag http header
901 * @param string $if_none_match ifNoneMatch http header
906 function _hasEtag($etag, $if_none_match)
908 $etags = explode(',', $if_none_match);
909 return in_array($etag, $etags) || in_array('*', $etags);
913 * Boolean understands english (yes, no, true, false)
915 * @param string $key query key we're interested in
916 * @param string $def default value
918 * @return boolean interprets yes/no strings as boolean
920 function boolean($key, $def=false)
922 $arg = strtolower($this->trimmed($key));
926 } else if (in_array($arg, array('true', 'yes', '1'))) {
928 } else if (in_array($arg, array('false', 'no', '0'))) {
938 * @param string $msg error message to display
939 * @param integer $code http error code, 500 by default
944 function serverError($msg, $code=500)
946 $action = $this->trimmed('action');
947 common_debug("Server error '$code' on '$action': $msg", __FILE__);
948 throw new ServerException($msg, $code);
954 * @param string $msg error message to display
955 * @param integer $code http error code, 400 by default
960 function clientError($msg, $code=400)
962 $action = $this->trimmed('action');
963 common_debug("User error '$code' on '$action': $msg", __FILE__);
964 throw new ClientException($msg, $code);
968 * Returns the current URL
970 * @return string current URL
975 $action = $this->trimmed('action');
977 unset($args['action']);
978 if (array_key_exists('submit', $args)) {
979 unset($args['submit']);
981 foreach (array_keys($_COOKIE) as $cookie) {
982 unset($args[$cookie]);
984 return common_local_url($action, $args);
988 * Generate a menu item
990 * @param string $url menu URL
991 * @param string $text menu name
992 * @param string $title title attribute, null by default
993 * @param boolean $is_selected current menu item, false by default
994 * @param string $id element id, null by default
998 function menuItem($url, $text, $title=null, $is_selected=false, $id=null)
1000 // Added @id to li for some control.
1001 // XXX: We might want to move this to htmloutputter.php
1004 $lattrs['class'] = 'current';
1007 (is_null($id)) ? $lattrs : $lattrs['id'] = $id;
1009 $this->elementStart('li', $lattrs);
1010 $attrs['href'] = $url;
1012 $attrs['title'] = $title;
1014 $this->element('a', $attrs, $text);
1015 $this->elementEnd('li');
1019 * Generate pagination links
1021 * @param boolean $have_before is there something before?
1022 * @param boolean $have_after is there something after?
1023 * @param integer $page current page
1024 * @param string $action current action
1025 * @param array $args rest of query arguments
1029 function pagination($have_before, $have_after, $page, $action, $args=null)
1031 // Does a little before-after block for next/prev page
1032 if ($have_before || $have_after) {
1033 $this->elementStart('div', array('class' => 'pagination'));
1034 $this->elementStart('dl', null);
1035 $this->element('dt', null, _('Pagination'));
1036 $this->elementStart('dd', null);
1037 $this->elementStart('ul', array('class' => 'nav'));
1040 $pargs = array('page' => $page-1);
1041 $this->elementStart('li', array('class' => 'nav_prev'));
1042 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1045 $this->elementEnd('li');
1048 $pargs = array('page' => $page+1);
1049 $this->elementStart('li', array('class' => 'nav_next'));
1050 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1053 $this->elementEnd('li');
1055 if ($have_before || $have_after) {
1056 $this->elementEnd('ul');
1057 $this->elementEnd('dd');
1058 $this->elementEnd('dl');
1059 $this->elementEnd('div');
1064 * An array of feeds for this action.
1066 * Returns an array of potential feeds for this action.
1068 * @return array Feed object to show in head and links
1077 * Generate document metadata for sequential navigation
1079 * @param boolean $have_before is there something before?
1080 * @param boolean $have_after is there something after?
1081 * @param integer $page current page
1082 * @param string $action current action
1083 * @param array $args rest of query arguments
1087 function sequenceRelationships($have_next, $have_previous, $page, $action, $args=null)
1089 // Outputs machine-readable pagination in <link> elements.
1090 // Pattern taken from $this->pagination() method.
1092 // "next" is equivalent to "after"
1094 $pargs = array('page' => $page-1);
1095 $this->element('link', array('rel' => 'next',
1096 'href' => common_local_url($action, $args, $pargs),
1097 'title' => _('Next')));
1099 // "previous" is equivalent to "before"
1100 if ($have_previous=true) { // FIXME
1101 $pargs = array('page' => $page+1);
1102 $this->element('link', array('rel' => 'prev',
1103 'href' => common_local_url($action, $args, $pargs),
1104 'title' => _('Previous')));
1109 * A design for this action
1111 * A design (colors and background) for the current page. May be
1112 * the user's design, or a group's design, or a site design.
1114 * @return Design a design object to use
1117 function getDesign()
1119 // XXX: return site design by default