3 * StatusNet, 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@status.net>
25 * @author Sarven Capadisli <csarven@status.net>
26 * @copyright 2008 StatusNet, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
28 * @link http://status.net/
31 if (!defined('STATUSNET') && !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@status.net>
50 * @author Sarven Capadisli <csarven@status.net>
51 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
52 * @link http://status.net/
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', $indent=null)
73 parent::__construct($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 $this->elementStart('head');
123 if (Event::handle('StartShowHeadElements', array($this))) {
125 $this->showShortcutIcon();
126 $this->showStylesheets();
127 $this->showOpenSearch();
129 $this->showDescription();
131 Event::handle('EndShowHeadElements', array($this));
133 $this->elementEnd('head');
137 * Show title, a template method.
143 $this->element('title', null,
144 sprintf(_("%1\$s - %2\$s"),
146 common_config('site', 'name')));
150 * Returns the page title
154 * @return string page title
159 return _("Untitled page");
163 * Show themed shortcut icon
167 function showShortcutIcon()
169 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/favicon.ico')) {
170 $this->element('link', array('rel' => 'shortcut icon',
171 'href' => Theme::path('favicon.ico')));
173 $this->element('link', array('rel' => 'shortcut icon',
174 'href' => common_path('favicon.ico')));
177 if (common_config('site', 'mobile')) {
178 if (is_readable(INSTALLDIR . '/theme/' . common_config('site', 'theme') . '/apple-touch-icon.png')) {
179 $this->element('link', array('rel' => 'apple-touch-icon',
180 'href' => Theme::path('apple-touch-icon.png')));
182 $this->element('link', array('rel' => 'apple-touch-icon',
183 'href' => common_path('apple-touch-icon.png')));
193 function showStylesheets()
195 if (Event::handle('StartShowStyles', array($this))) {
197 // Use old name for StatusNet for compatibility on events
199 if (Event::handle('StartShowStatusNetStyles', array($this)) &&
200 Event::handle('StartShowLaconicaStyles', array($this))) {
201 $this->cssLink('css/display.css',null,'screen, projection, tv');
202 $this->cssLink('css/print.css','base','print');
203 Event::handle('EndShowStatusNetStyles', array($this));
204 Event::handle('EndShowLaconicaStyles', array($this));
207 if (Event::handle('StartShowUAStyles', array($this))) {
208 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
209 'href="'.Theme::path('css/ie.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
210 foreach (array(6,7) as $ver) {
211 if (file_exists(Theme::file('css/ie'.$ver.'.css', 'base'))) {
212 // Yes, IE people should be put in jail.
213 $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
214 'href="'.Theme::path('css/ie'.$ver.'.css', 'base').'?version='.STATUSNET_VERSION.'" /><![endif]');
217 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
218 'href="'.Theme::path('css/ie.css', null).'?version='.STATUSNET_VERSION.'" /><![endif]');
219 Event::handle('EndShowUAStyles', array($this));
222 if (Event::handle('StartShowDesign', array($this))) {
224 $user = common_current_user();
226 if (empty($user) || $user->viewdesigns) {
227 $design = $this->getDesign();
229 if (!empty($design)) {
230 $design->showCSS($this);
234 Event::handle('EndShowDesign', array($this));
236 Event::handle('EndShowStyles', array($this));
241 * Show javascript headers
245 function showScripts()
247 if (Event::handle('StartShowScripts', array($this))) {
248 if (Event::handle('StartShowJQueryScripts', array($this))) {
249 $this->script('jquery.min.js');
250 $this->script('jquery.form.js');
251 $this->script('jquery.cookie.js');
252 $this->inlineScript('if (typeof window.JSON !== "object") { $.getScript("'.common_path('js/json2.js').'"); }');
253 $this->script('jquery.joverlay.min.js');
254 Event::handle('EndShowJQueryScripts', array($this));
256 if (Event::handle('StartShowStatusNetScripts', array($this)) &&
257 Event::handle('StartShowLaconicaScripts', array($this))) {
258 $this->script('xbImportNode.js');
259 $this->script('util.js');
260 $this->script('geometa.js');
261 // Frame-busting code to avoid clickjacking attacks.
262 $this->inlineScript('if (window.top !== window.self) { window.top.location.href = window.self.location.href; }');
263 Event::handle('EndShowStatusNetScripts', array($this));
264 Event::handle('EndShowLaconicaScripts', array($this));
266 Event::handle('EndShowScripts', array($this));
271 * Show OpenSearch headers
275 function showOpenSearch()
277 $this->element('link', array('rel' => 'search',
278 'type' => 'application/opensearchdescription+xml',
279 'href' => common_local_url('opensearch', array('type' => 'people')),
280 'title' => common_config('site', 'name').' People Search'));
281 $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
282 'href' => common_local_url('opensearch', array('type' => 'notice')),
283 'title' => common_config('site', 'name').' Notice Search'));
296 $feeds = $this->getFeeds();
299 foreach ($feeds as $feed) {
300 $this->element('link', array('rel' => $feed->rel(),
301 'href' => $feed->url,
302 'type' => $feed->mimeType(),
303 'title' => $feed->title));
315 function showDescription()
317 // does nothing by default
321 * Show extra stuff in <head>.
329 // does nothing by default
335 * Calls template methods
341 $this->elementStart('body', (common_current_user()) ? array('id' => $this->trimmed('action'),
342 'class' => 'user_in')
343 : array('id' => $this->trimmed('action')));
344 $this->elementStart('div', array('id' => 'wrap'));
345 if (Event::handle('StartShowHeader', array($this))) {
347 Event::handle('EndShowHeader', array($this));
350 if (Event::handle('StartShowFooter', array($this))) {
352 Event::handle('EndShowFooter', array($this));
354 $this->elementEnd('div');
355 $this->showScripts();
356 $this->elementEnd('body');
360 * Show header of the page.
362 * Calls template methods
366 function showHeader()
368 $this->elementStart('div', array('id' => 'header'));
370 $this->showPrimaryNav();
371 if (Event::handle('StartShowSiteNotice', array($this))) {
372 $this->showSiteNotice();
374 Event::handle('EndShowSiteNotice', array($this));
376 if (common_logged_in()) {
377 $this->showNoticeForm();
379 $this->showAnonymousMessage();
381 $this->elementEnd('div');
385 * Show configured logo.
391 $this->elementStart('address', array('id' => 'site_contact',
392 'class' => 'vcard'));
393 if (Event::handle('StartAddressData', array($this))) {
394 if (common_config('singleuser', 'enabled')) {
395 $url = common_local_url('showstream',
396 array('nickname' => common_config('singleuser', 'nickname')));
398 $url = common_local_url('public');
400 $this->elementStart('a', array('class' => 'url home bookmark',
402 if (common_config('site', 'logo') || file_exists(Theme::file('logo.png'))) {
403 $this->element('img', array('class' => 'logo photo',
404 'src' => (common_config('site', 'logo')) ? common_config('site', 'logo') : Theme::path('logo.png'),
405 'alt' => common_config('site', 'name')));
408 $this->element('span', array('class' => 'fn org'), common_config('site', 'name'));
409 $this->elementEnd('a');
410 Event::handle('EndAddressData', array($this));
412 $this->elementEnd('address');
416 * Show primary navigation.
420 function showPrimaryNav()
422 $user = common_current_user();
423 $this->elementStart('dl', array('id' => 'site_nav_global_primary'));
424 $this->element('dt', null, _('Primary site navigation'));
425 $this->elementStart('dd');
426 $this->elementStart('ul', array('class' => 'nav'));
427 if (Event::handle('StartPrimaryNav', array($this))) {
429 $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
430 _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
431 $this->menuItem(common_local_url('profilesettings'),
432 _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
433 $this->menuItem(common_local_url('oauthconnectionssettings'),
434 _('Connect'), _('Connect to services'), false, 'nav_connect');
435 if ($user->hasRight(Right::CONFIGURESITE)) {
436 $this->menuItem(common_local_url('siteadminpanel'),
437 _('Admin'), _('Change site configuration'), false, 'nav_admin');
439 if (common_config('invite', 'enabled')) {
440 $this->menuItem(common_local_url('invite'),
442 sprintf(_('Invite friends and colleagues to join you on %s'),
443 common_config('site', 'name')),
444 false, 'nav_invitecontact');
446 $this->menuItem(common_local_url('logout'),
447 _('Logout'), _('Logout from the site'), false, 'nav_logout');
450 if (!common_config('site', 'closed')) {
451 $this->menuItem(common_local_url('register'),
452 _('Register'), _('Create an account'), false, 'nav_register');
454 $this->menuItem(common_local_url('login'),
455 _('Login'), _('Login to the site'), false, 'nav_login');
457 $this->menuItem(common_local_url('doc', array('title' => 'help')),
458 _('Help'), _('Help me!'), false, 'nav_help');
459 if ($user || !common_config('site', 'private')) {
460 $this->menuItem(common_local_url('peoplesearch'),
461 _('Search'), _('Search for people or text'), false, 'nav_search');
463 Event::handle('EndPrimaryNav', array($this));
465 $this->elementEnd('ul');
466 $this->elementEnd('dd');
467 $this->elementEnd('dl');
475 function showSiteNotice()
477 // Revist. Should probably do an hAtom pattern here
478 $text = common_config('site', 'notice');
480 $this->elementStart('dl', array('id' => 'site_notice',
481 'class' => 'system_notice'));
482 $this->element('dt', null, _('Site notice'));
483 $this->elementStart('dd', null);
485 $this->elementEnd('dd');
486 $this->elementEnd('dl');
493 * MAY overload if no notice form needed... or direct message box????
497 function showNoticeForm()
499 $notice_form = new NoticeForm($this);
500 $notice_form->show();
504 * Show anonymous message.
510 function showAnonymousMessage()
512 // needs to be defined by the class
518 * Shows local navigation, content block and aside.
524 $this->elementStart('div', array('id' => 'core'));
525 if (Event::handle('StartShowLocalNavBlock', array($this))) {
526 $this->showLocalNavBlock();
527 Event::handle('EndShowLocalNavBlock', array($this));
529 if (Event::handle('StartShowContentBlock', array($this))) {
530 $this->showContentBlock();
531 Event::handle('EndShowContentBlock', array($this));
533 if (Event::handle('StartShowAside', array($this))) {
535 Event::handle('EndShowAside', array($this));
537 $this->elementEnd('div');
541 * Show local navigation block.
545 function showLocalNavBlock()
547 $this->elementStart('dl', array('id' => 'site_nav_local_views'));
548 $this->element('dt', null, _('Local views'));
549 $this->elementStart('dd');
550 $this->showLocalNav();
551 $this->elementEnd('dd');
552 $this->elementEnd('dl');
556 * Show local navigation.
562 function showLocalNav()
564 // does nothing by default
568 * Show content block.
572 function showContentBlock()
574 $this->elementStart('div', array('id' => 'content'));
575 $this->showPageTitle();
576 $this->showPageNoticeBlock();
577 $this->elementStart('div', array('id' => 'content_inner'));
578 // show the actual content (forms, lists, whatever)
579 $this->showContent();
580 $this->elementEnd('div');
581 $this->elementEnd('div');
589 function showPageTitle()
591 $this->element('h1', null, $this->title());
595 * Show page notice block.
597 * Only show the block if a subclassed action has overrided
598 * Action::showPageNotice(), or an event handler is registered for
599 * the StartShowPageNotice event, in which case we assume the
600 * 'page_notice' definition list is desired. This is to prevent
601 * empty 'page_notice' definition lists from being output everywhere.
605 function showPageNoticeBlock()
607 $rmethod = new ReflectionMethod($this, 'showPageNotice');
608 $dclass = $rmethod->getDeclaringClass()->getName();
610 if ($dclass != 'Action' || Event::hasHandler('StartShowPageNotice')) {
612 $this->elementStart('dl', array('id' => 'page_notice',
613 'class' => 'system_notice'));
614 $this->element('dt', null, _('Page notice'));
615 $this->elementStart('dd');
616 if (Event::handle('StartShowPageNotice', array($this))) {
617 $this->showPageNotice();
618 Event::handle('EndShowPageNotice', array($this));
620 $this->elementEnd('dd');
621 $this->elementEnd('dl');
628 * SHOULD overload (unless there's not a notice)
632 function showPageNotice()
639 * MUST overload (unless there's not a notice)
643 function showContent()
655 $this->elementStart('div', array('id' => 'aside_primary',
656 'class' => 'aside'));
657 if (Event::handle('StartShowExportData', array($this))) {
658 $this->showExportData();
659 Event::handle('EndShowExportData', array($this));
661 if (Event::handle('StartShowSections', array($this))) {
662 $this->showSections();
663 Event::handle('EndShowSections', array($this));
665 $this->elementEnd('div');
669 * Show export data feeds.
674 function showExportData()
676 $feeds = $this->getFeeds();
678 $fl = new FeedList($this);
690 function showSections()
692 // for each section, show it
700 function showFooter()
702 $this->elementStart('div', array('id' => 'footer'));
703 $this->showSecondaryNav();
704 $this->showLicenses();
705 $this->elementEnd('div');
709 * Show secondary navigation.
713 function showSecondaryNav()
715 $this->elementStart('dl', array('id' => 'site_nav_global_secondary'));
716 $this->element('dt', null, _('Secondary site navigation'));
717 $this->elementStart('dd', null);
718 $this->elementStart('ul', array('class' => 'nav'));
719 if (Event::handle('StartSecondaryNav', array($this))) {
720 $this->menuItem(common_local_url('doc', array('title' => 'help')),
722 $this->menuItem(common_local_url('doc', array('title' => 'about')),
724 $this->menuItem(common_local_url('doc', array('title' => 'faq')),
726 $bb = common_config('site', 'broughtby');
728 $this->menuItem(common_local_url('doc', array('title' => 'tos')),
731 $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
733 $this->menuItem(common_local_url('doc', array('title' => 'source')),
735 $this->menuItem(common_local_url('version'),
737 $this->menuItem(common_local_url('doc', array('title' => 'contact')),
739 $this->menuItem(common_local_url('doc', array('title' => 'badge')),
741 Event::handle('EndSecondaryNav', array($this));
743 $this->elementEnd('ul');
744 $this->elementEnd('dd');
745 $this->elementEnd('dl');
753 function showLicenses()
755 $this->elementStart('dl', array('id' => 'licenses'));
756 $this->showStatusNetLicense();
757 $this->showContentLicense();
758 $this->elementEnd('dl');
762 * Show StatusNet license.
766 function showStatusNetLicense()
768 $this->element('dt', array('id' => 'site_statusnet_license'), _('StatusNet software license'));
769 $this->elementStart('dd', null);
770 if (common_config('site', 'broughtby')) {
771 $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
773 $instr = _('**%%site.name%%** is a microblogging service. ');
775 $instr .= sprintf(_('It runs the [StatusNet](http://status.net/) microblogging software, version %s, available under the [GNU Affero General Public License](http://www.fsf.org/licensing/licenses/agpl-3.0.html).'), STATUSNET_VERSION);
776 $output = common_markup_to_html($instr);
778 $this->elementEnd('dd');
783 * Show content license.
787 function showContentLicense()
789 if (Event::handle('StartShowContentLicense', array($this))) {
790 $this->element('dt', array('id' => 'site_content_license'), _('Site content license'));
791 $this->elementStart('dd', array('id' => 'site_content_license_cc'));
793 switch (common_config('license', 'type')) {
795 $this->element('p', null, sprintf(_('Content and data of %1$s are private and confidential.'),
796 common_config('site', 'name')));
798 case 'allrightsreserved':
799 if (common_config('license', 'owner')) {
800 $this->element('p', null, sprintf(_('Content and data copyright by %1$s. All rights reserved.'),
801 common_config('license', 'owner')));
803 $this->element('p', null, _('Content and data copyright by contributors. All rights reserved.'));
806 case 'cc': // fall through
808 $this->elementStart('p');
809 $this->element('img', array('id' => 'license_cc',
810 'src' => common_config('license', 'image'),
811 'alt' => common_config('license', 'title'),
815 //TODO: This is dirty: i18n
816 $this->text(_('All '.common_config('site', 'name').' content and data are available under the '));
817 $this->element('a', array('class' => 'license',
818 'rel' => 'external license',
819 'href' => common_config('license', 'url')),
820 common_config('license', 'title'));
822 $this->text(_('license.'));
823 $this->elementEnd('p');
827 $this->elementEnd('dd');
828 Event::handle('EndShowContentLicense', array($this));
833 * Return last modified, if applicable.
837 * @return string last modified http header
839 function lastModified()
841 // For comparison with If-Last-Modified
842 // If not applicable, return null
847 * Return etag, if applicable.
851 * @return string etag http header
859 * Return true if read only.
863 * @param array $args other arguments
865 * @return boolean is read only action?
868 function isReadOnly($args)
874 * Returns query argument or default value if not found
876 * @param string $key requested argument
877 * @param string $def default value to return if $key is not provided
879 * @return boolean is read only action?
881 function arg($key, $def=null)
883 if (array_key_exists($key, $this->args)) {
884 return $this->args[$key];
891 * Returns trimmed query argument or default value if not found
893 * @param string $key requested argument
894 * @param string $def default value to return if $key is not provided
896 * @return boolean is read only action?
898 function trimmed($key, $def=null)
900 $arg = $this->arg($key, $def);
901 return is_string($arg) ? trim($arg) : $arg;
907 * @param array $argarray is ignored since it's now passed in in prepare()
909 * @return boolean is read only action?
911 function handle($argarray=null)
913 header('Vary: Accept-Encoding,Cookie');
914 $lm = $this->lastModified();
915 $etag = $this->etag();
917 header('ETag: ' . $etag);
920 header('Last-Modified: ' . date(DATE_RFC1123, $lm));
921 if (array_key_exists('HTTP_IF_MODIFIED_SINCE', $_SERVER)) {
922 $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
923 $ims = strtotime($if_modified_since);
925 $if_none_match = (array_key_exists('HTTP_IF_NONE_MATCH', $_SERVER)) ?
926 $_SERVER['HTTP_IF_NONE_MATCH'] : null;
927 if (!$if_none_match ||
929 $this->_hasEtag($etag, $if_none_match)) {
930 header('HTTP/1.1 304 Not Modified');
931 // Better way to do this?
940 * Has etag? (private)
942 * @param string $etag etag http header
943 * @param string $if_none_match ifNoneMatch http header
948 function _hasEtag($etag, $if_none_match)
950 $etags = explode(',', $if_none_match);
951 return in_array($etag, $etags) || in_array('*', $etags);
955 * Boolean understands english (yes, no, true, false)
957 * @param string $key query key we're interested in
958 * @param string $def default value
960 * @return boolean interprets yes/no strings as boolean
962 function boolean($key, $def=false)
964 $arg = strtolower($this->trimmed($key));
968 } else if (in_array($arg, array('true', 'yes', '1', 'on'))) {
970 } else if (in_array($arg, array('false', 'no', '0'))) {
978 * Integer value of an argument
980 * @param string $key query key we're interested in
981 * @param string $defValue optional default value (default null)
982 * @param string $maxValue optional max value (default null)
983 * @param string $minValue optional min value (default null)
985 * @return integer integer value
988 function int($key, $defValue=null, $maxValue=null, $minValue=null)
990 $arg = strtolower($this->trimmed($key));
992 if (is_null($arg) || !is_integer($arg)) {
996 if (!is_null($maxValue)) {
997 $arg = min($arg, $maxValue);
1000 if (!is_null($minValue)) {
1001 $arg = max($arg, $minValue);
1010 * @param string $msg error message to display
1011 * @param integer $code http error code, 500 by default
1016 function serverError($msg, $code=500)
1018 $action = $this->trimmed('action');
1019 common_debug("Server error '$code' on '$action': $msg", __FILE__);
1020 throw new ServerException($msg, $code);
1026 * @param string $msg error message to display
1027 * @param integer $code http error code, 400 by default
1032 function clientError($msg, $code=400)
1034 $action = $this->trimmed('action');
1035 common_debug("User error '$code' on '$action': $msg", __FILE__);
1036 throw new ClientException($msg, $code);
1040 * Returns the current URL
1042 * @return string current URL
1047 list($action, $args) = $this->returnToArgs();
1048 return common_local_url($action, $args);
1052 * Returns arguments sufficient for re-constructing URL
1054 * @return array two elements: action, other args
1057 function returnToArgs()
1059 $action = $this->trimmed('action');
1060 $args = $this->args;
1061 unset($args['action']);
1062 if (common_config('site', 'fancy')) {
1065 if (array_key_exists('submit', $args)) {
1066 unset($args['submit']);
1068 foreach (array_keys($_COOKIE) as $cookie) {
1069 unset($args[$cookie]);
1071 return array($action, $args);
1075 * Generate a menu item
1077 * @param string $url menu URL
1078 * @param string $text menu name
1079 * @param string $title title attribute, null by default
1080 * @param boolean $is_selected current menu item, false by default
1081 * @param string $id element id, null by default
1085 function menuItem($url, $text, $title=null, $is_selected=false, $id=null)
1087 // Added @id to li for some control.
1088 // XXX: We might want to move this to htmloutputter.php
1091 $lattrs['class'] = 'current';
1094 (is_null($id)) ? $lattrs : $lattrs['id'] = $id;
1096 $this->elementStart('li', $lattrs);
1097 $attrs['href'] = $url;
1099 $attrs['title'] = $title;
1101 $this->element('a', $attrs, $text);
1102 $this->elementEnd('li');
1106 * Generate pagination links
1108 * @param boolean $have_before is there something before?
1109 * @param boolean $have_after is there something after?
1110 * @param integer $page current page
1111 * @param string $action current action
1112 * @param array $args rest of query arguments
1116 function pagination($have_before, $have_after, $page, $action, $args=null)
1118 // Does a little before-after block for next/prev page
1119 if ($have_before || $have_after) {
1120 $this->elementStart('dl', 'pagination');
1121 $this->element('dt', null, _('Pagination'));
1122 $this->elementStart('dd', null);
1123 $this->elementStart('ul', array('class' => 'nav'));
1126 $pargs = array('page' => $page-1);
1127 $this->elementStart('li', array('class' => 'nav_prev'));
1128 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1131 $this->elementEnd('li');
1134 $pargs = array('page' => $page+1);
1135 $this->elementStart('li', array('class' => 'nav_next'));
1136 $this->element('a', array('href' => common_local_url($action, $args, $pargs),
1139 $this->elementEnd('li');
1141 if ($have_before || $have_after) {
1142 $this->elementEnd('ul');
1143 $this->elementEnd('dd');
1144 $this->elementEnd('dl');
1149 * An array of feeds for this action.
1151 * Returns an array of potential feeds for this action.
1153 * @return array Feed object to show in head and links
1162 * A design for this action
1164 * @return Design a design object to use
1167 function getDesign()
1169 return Design::siteDesign();
1173 * Check the session token.
1175 * Checks that the current form has the correct session token,
1176 * and throw an exception if it does not.
1181 function checkSessionToken()
1184 $token = $this->trimmed('token');
1185 if (empty($token) || $token != common_session_token()) {
1186 $this->clientError(_('There was a problem with your session token.'));