]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - lib/action.php
Add a menuItem method to Action
[quix0rs-gnu-social.git] / lib / action.php
index 45d696442874f8602e55a5f654c69e57212916cc..7c919497ff0699308a2c221c4c9f0cf3be2c2a8a 100644 (file)
@@ -1,9 +1,12 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * Laconica, the distributed open-source microblogging tool
  *
- * This program is free software: you can redistribute it and/or modify
+ * Base class for all actions (~views)
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Action
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @author    Sarven Capadisli <csarven@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/form.php';
+require_once INSTALLDIR.'/lib/htmloutputter.php';
+
+/**
+ * Base class for all actions
+ *
+ * This is the base class for all actions in the package. An action is
+ * more or less a "view" in an MVC framework.
+ *
+ * Actions are responsible for extracting and validating parameters; using
+ * model classes to read and write to the database; and doing ouput.
+ *
+ * @category Output
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Sarven Capadisli <csarven@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @see      HTMLOutputter
  */
 
-if (!defined('LACONICA')) { exit(1); }
-
-class Action { // lawsuit
-
-       var $args;
-
-       function Action() {
-       }
-
-       function arg($key, $def=NULL) {
-               if (array_key_exists($key, $this->args)) {
-                       return $this->args[$key];
-               } else {
-                       return $def;
-               }
-       }
-
-       function trimmed($key, $def=NULL) {
-               $arg = $this->arg($key, $def);
-               return (is_string($arg)) ? trim($arg) : $arg;
-       }
-       
-       function handle($argarray) {
-               $this->args =& common_copy_args($argarray);
-       }
-       
-       function boolean($key, $def=false) {
-               $arg = strtolower($this->trimmed($key));
-               
-               if (is_null($arg)) {
-                       return $def;
-               } else if (in_array($arg, array('true', 'yes', '1'))) {
-                       return true;
-               } else if (in_array($arg, array('false', 'no', '0'))) {
-                       return false;
-               } else {
-                       return $def;
-               }
-       }
-       
-       function server_error($msg, $code=500) {
-               $action = $this->trimmed('action');
-               common_debug("Server error '$code' on '$action': $msg", __FILE__);
-               common_server_error($msg, $code);
-       }
-       
-       function client_error($msg, $code=400) {
-               $action = $this->trimmed('action');
-               common_debug("User error '$code' on '$action': $msg", __FILE__);
-               common_user_error($msg, $code);
-       }
-       
-       function self_url() {
-               $action = $this->trimmed('action');
-               $args = $this->args;
-               unset($args['action']);
-               return common_local_url($action, $args);
-       }
+class Action extends HTMLOutputter // lawsuit
+{
+    var $args;
+
+    /**
+     * Constructor
+     *
+     * Just wraps the HTMLOutputter constructor.
+     *
+     * @param string  $output URI to output to, default = stdout
+     * @param boolean $indent Whether to indent output, default true
+     *
+     * @see XMLOutputter::__construct
+     * @see HTMLOutputter::__construct
+     */
+
+    function __construct($output='php://output', $indent=true)
+    {
+        parent::__construct($output, $indent);
+    }
+
+    // For initializing members of the class
+
+    function prepare($argarray)
+    {
+        $this->args =& common_copy_args($argarray);
+        return true;
+    }
+
+    function showPage()
+    {
+        $this->startHTML();
+        $this->showHead();
+        $this->showBody();
+        $this->endHTML();
+    }
+
+    function showHead()
+    {
+        // XXX: attributes (profile?)
+        $this->elementStart('head');
+        $this->showTitle();
+        $this->showStylesheets();
+        $this->showScripts();
+        $this->showOpenSearch();
+        $this->showFeeds();
+        $this->showDescription();
+        $this->extraHead();
+        $this->elementEnd('head');
+    }
+
+    function showTitle()
+    {
+        $this->element('title', null,
+                       sprintf(_("%s - %s"),
+                               $this->title(),
+                               common_config('site', 'name')));
+    }
+
+    // SHOULD overload
+
+    function title()
+    {
+        return _("Untitled page");
+    }
+
+    function showStylesheets()
+    {
+        $this->element('link', array('rel' => 'stylesheet',
+                                     'type' => 'text/css',
+                                     'href' => theme_path('display.css', 'base') . '?version=' . LACONICA_VERSION,
+                                     'media' => 'screen, projection, tv'));
+        $this->element('link', array('rel' => 'stylesheet',
+                                     'type' => 'text/css',
+                                     'href' => theme_path('thickbox.css', 'base') . '?version=' . LACONICA_VERSION,
+                                     'media' => 'screen, projection, tv'));
+        $this->element('link', array('rel' => 'stylesheet',
+                                     'type' => 'text/css',
+                                     'href' => theme_path('display.css', null) . '?version=' . LACONICA_VERSION,
+                                     'media' => 'screen, projection, tv'));
+        foreach (array(6,7) as $ver) {
+            if (file_exists(theme_file('ie'.$ver.'.css'))) {
+                // Yes, IE people should be put in jail.
+                $this->comment('[if lte IE '.$ver.']><link rel="stylesheet" type="text/css" '.
+                               'href="'.theme_path('ie'.$ver.'.css').'?version='.LACONICA_VERSION.'" /><![endif]');
+            }
+        }
+    }
+
+    function showScripts()
+    {
+        $this->element('script', array('type' => 'text/javascript',
+                                       'src' => common_path('js/jquery.min.js')),
+                       ' ');
+        $this->element('script', array('type' => 'text/javascript',
+                                       'src' => common_path('js/jquery.form.js')),
+                       ' ');
+        $this->element('script', array('type' => 'text/javascript',
+                                       'src' => common_path('js/xbImportNode.js')),
+                       ' ');
+        $this->element('script', array('type' => 'text/javascript',
+                                       'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
+                       ' ');
+    }
+
+    function showOpenSearch()
+    {
+        $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
+                                     'href' =>  common_local_url('opensearch', array('type' => 'people')),
+                                     'title' => common_config('site', 'name').' People Search'));
+
+        $this->element('link', array('rel' => 'search', 'type' => 'application/opensearchdescription+xml',
+                                     'href' =>  common_local_url('opensearch', array('type' => 'notice')),
+                                     'title' => common_config('site', 'name').' Notice Search'));
+    }
+
+    // MAY overload
+
+    function showFeeds()
+    {
+        // does nothing by default
+    }
+
+    // SHOULD overload
+
+    function showDescription()
+    {
+        // does nothing by default
+    }
+
+    // MAY overload
+
+    function extraHead()
+    {
+        // does nothing by default
+    }
+
+    function showBody()
+    {
+        $this->elementStart('body');
+        $this->elementStart('wrap');
+        $this->showHeader();
+        $this->showCore();
+        $this->showFooter();
+        $this->elementEnd('wrap');
+        $this->elementEnd('body');
+    }
+
+    function showHeader()
+    {
+        $this->elementStart('div', array('id' => 'header'));
+        $this->showLogo();
+        $this->showPrimaryNav();
+        $this->showSiteNotice();
+        $this->showNoticeForm();
+        $this->elementEnd('div');
+    }
+
+    function showLogo()
+    {
+        $this->elementStart('address', array('id' => 'site_contact',
+                                              'class' => 'vcard'));
+        $this->elementStart('a', array('class' => 'url home bookmark',
+                                        'href' => common_local_url('public')));
+        if ((isset($config['site']['logo']) && is_string($config['site']['logo']) && (strlen($config['site']['logo']) > 0))
+            || file_exists(theme_file('logo.png')))
+        {
+            $this->element('img', array('class' => 'logo photo',
+                                        'src' => isset($config['site']['logo']) ?
+                                        ($config['site']['logo']) : theme_path('logo.png'),
+                                        'alt' => $config['site']['name']));
+        }
+        $this->element('span', array('class' => 'fn org'), $config['site']['name']);
+        $this->elementEnd('a');
+        $this->elementEnd('address');
+    }
+
+    function showPrimaryNav()
+    {
+        $this->elementStart('dl', array('id' => 'site_nav_global_primary'));
+        $this->element('dt', null, _('Primary site navigation'));
+        $user = common_current_user();
+        $this->elementStart('ul', array('id' => 'nav'));
+        if ($user) {
+            $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
+                             _('Home'));
+        }
+        $this->menuItem(common_local_url('peoplesearch'), _('Search'));
+        if ($user) {
+            $this->menuItem(common_local_url('profilesettings'),
+                             _('Settings'));
+            $this->menuItem(common_local_url('invite'),
+                             _('Invite'));
+            $this->menuItem(common_local_url('logout'),
+                             _('Logout'));
+        } else {
+            $this->menuItem(common_local_url('login'), _('Login'));
+            if (!common_config('site', 'closed')) {
+                $this->menuItem(common_local_url('register'), _('Register'));
+            }
+            $this->menuItem(common_local_url('openidlogin'), _('OpenID'));
+        }
+        $this->menuItem(common_local_url('doc', array('title' => 'help')),
+                         _('Help'));
+        $this->elementEnd('ul');
+        $this->elementEnd('dl');
+    }
+
+    // Revist. Should probably do an hAtom pattern here
+    function showSiteNotice()
+    {
+        $this->elementStart('dl', array('id' => 'site_notice',
+                                        'class' => 'system_notice'));
+        $this->element('dt', null, _('Site notice'));
+        $this->elementStart('dd', null);
+        // Output a bunch of paragraphs here
+        $this->elementEnd('dd');
+    }
+
+    // MAY overload if no notice form needed... or direct message box????
+
+    function showNoticeForm()
+    {
+        $notice_form = new NoticeForm();
+        $notice_form->show();
+    }
+
+    function showCore()
+    {
+        $this->elementStart('div', array('class' => 'core'));
+        $this->showLocalNav();
+        $this->showContentBlock();
+        $this->showAside();
+        $this->elementEnd('div');
+    }
+
+    // SHOULD overload (perhaps this should be a MUST because sometimes it is not used)
+
+    function showLocalNav($menu)
+    {
+        $action = $this->trimmed('action');
+
+        $this->elementStart('dl', array('id' => 'site_nav_local_views'));
+        $this->element('dt', null, _('Local views'));
+        $this->elementStart('ul', array('id' => 'nav'));
+        foreach ($menu as $menuaction => $menudesc) {
+            $this->menuItem(common_local_url($menuaction,
+                                              isset($menudesc[2]) ? $menudesc[2] : null),
+                             $menudesc[0],
+                             $menudesc[1],
+                             $action == $menuaction);
+        }
+        $this->elementEnd('ul');
+        $this->elementEnd('dd');
+        $this->elementEnd('dl');
+    }
+
+    function showContentBlock()
+    {
+        $this->elementStart('div', array('id' => 'content'));
+        $this->showPageTitle();
+        $this->showPageNotice();
+        $this->showContent();
+        $this->elementEnd('div');
+    }
+
+    function showPageTitle() {
+        $this->element('h1', NULL, $this->title());
+    }
+
+    // SHOULD overload (unless there's not a notice)
+
+    function showPageNotice()
+    {
+        $this->elementStart('dl', array('id' => 'page_notice',
+                                        'class' => 'system_notice'));
+        $this->element('dt', null, _('Page notice'));
+        $this->elementStart('dd', null);
+        // Output a bunch of paragraphs here
+        $this->elementEnd('dd');
+    }
+
+    // MUST overload
+
+    function showContent()
+    {
+        // show the actual content (forms, lists, whatever)
+        $this->elementStart('div', array('id' => 'content_inner'));
+        $this->elementEnd('div');
+    }
+
+    function showAside()
+    {
+        $this->showExportData();
+        $this->showSections();
+    }
+
+    // MAY overload if there are feeds
+
+    function showExportData()
+    {
+        // is there structure to this?
+        // list of (visible!) feed links
+        // can we reuse list of feeds from showFeeds() ?
+    }
+
+    // SHOULD overload
+
+    function showSections() {
+        // for each section, show it
+    }
+
+    function showFooter()
+    {
+        $this->elementStart('div', array('id' => 'footer'));
+        $this->showSecondaryNav();
+        $this->showLicenses();
+        $this->elementEnd('div');
+    }
+
+    function showSecondaryNav()
+    {
+        $this->elementStart('ul', array('id' => 'nav_sub'));
+        $this->menuItem(common_local_url('doc', array('title' => 'help')),
+                         _('Help'));
+        $this->menuItem(common_local_url('doc', array('title' => 'about')),
+                         _('About'));
+        $this->menuItem(common_local_url('doc', array('title' => 'faq')),
+                         _('FAQ'));
+        $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
+                         _('Privacy'));
+        $this->menuItem(common_local_url('doc', array('title' => 'source')),
+                         _('Source'));
+        $this->menuItem(common_local_url('doc', array('title' => 'contact')),
+                         _('Contact'));
+        $this->elementEnd('ul');
+    }
+
+    function showLicenses()
+    {
+        $this->elementStart('dl', array('id' => 'licenses'));
+        $this->showLaconicaLicense();
+        $this->showContentLicense();
+        $this->elementEnd('dl');
+    }
+
+    function showLaconicaLicense()
+    {
+        $this->element('dt', array('id' => 'site_laconica_license'), _('Laconica software license'));
+        $this->elementStart('dd', null);
+        if (common_config('site', 'broughtby')) {
+            $instr = _('**%%site.name%%** is a microblogging service brought to you by [%%site.broughtby%%](%%site.broughtbyurl%%). ');
+        } else {
+            $instr = _('**%%site.name%%** is a microblogging service. ');
+        }
+        $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);
+        $output = common_markup_to_html($instr);
+        common_raw($output);
+        $this->elementEnd('dd');
+        // do it
+    }
+
+    function showContentLicense()
+    {
+        $this->element('dt', array('id' => 'site_content_license'), _('Laconica software license'));
+        $this->elementStart('dd', array('id' => 'site_content_license_cc'));
+        $this->elementStart('p');
+        common_text(_('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
+        $this->element('a', array('class' => 'license',
+                                  'rel' => 'external license',
+                                  'href' => $config['license']['url']),
+                       $config['license']['title']);
+        common_text(_('. Contributors should be attributed by full name or nickname.'));
+        $this->elementEnd('p');
+        $this->element('img', array('id' => 'license_cc',
+                                    'src' => $config['license']['image'],
+                                    'alt' => $config['license']['title']));
+        $this->elementEnd('dd');
+    }
+
+    // For comparison with If-Last-Modified
+    // If not applicable, return null
+
+    function last_modified()
+    {
+        return null;
+    }
+
+    function etag()
+    {
+        return null;
+    }
+
+    function is_readonly()
+    {
+        return false;
+    }
+
+    function arg($key, $def=null)
+    {
+        if (array_key_exists($key, $this->args)) {
+            return $this->args[$key];
+        } else {
+            return $def;
+        }
+    }
+
+    function trimmed($key, $def=null)
+    {
+        $arg = $this->arg($key, $def);
+        return (is_string($arg)) ? trim($arg) : $arg;
+    }
+
+    // Note: argarray ignored, since it's now passed in in prepare()
+
+    function handle($argarray=null)
+    {
+
+        $lm = $this->last_modified();
+        $etag = $this->etag();
+
+        if ($etag) {
+            header('ETag: ' . $etag);
+        }
+
+        if ($lm) {
+            header('Last-Modified: ' . date(DATE_RFC1123, $lm));
+            $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
+            if ($if_modified_since) {
+                $ims = strtotime($if_modified_since);
+                if ($lm <= $ims) {
+                    if (!$etag ||
+                        $this->_has_etag($etag, $_SERVER['HTTP_IF_NONE_MATCH'])) {
+                        header('HTTP/1.1 304 Not Modified');
+                        // Better way to do this?
+                        exit(0);
+                    }
+                }
+            }
+        }
+    }
+
+    function _has_etag($etag, $if_none_match)
+    {
+        return ($if_none_match) && in_array($etag, explode(',', $if_none_match));
+    }
+
+    function boolean($key, $def=false)
+    {
+        $arg = strtolower($this->trimmed($key));
+
+        if (is_null($arg)) {
+            return $def;
+        } else if (in_array($arg, array('true', 'yes', '1'))) {
+            return true;
+        } else if (in_array($arg, array('false', 'no', '0'))) {
+            return false;
+        } else {
+            return $def;
+        }
+    }
+
+    function server_error($msg, $code=500)
+    {
+        $action = $this->trimmed('action');
+        common_debug("Server error '$code' on '$action': $msg", __FILE__);
+        common_server_error($msg, $code);
+    }
+
+    function client_error($msg, $code=400)
+    {
+        $action = $this->trimmed('action');
+        common_debug("User error '$code' on '$action': $msg", __FILE__);
+        common_user_error($msg, $code);
+    }
+
+    function self_url()
+    {
+        $action = $this->trimmed('action');
+        $args = $this->args;
+        unset($args['action']);
+        foreach (array_keys($_COOKIE) as $cookie) {
+            unset($args[$cookie]);
+        }
+        return common_local_url($action, $args);
+    }
+
+    function nav_menu($menu)
+    {
+        $action = $this->trimmed('action');
+        $this->elementStart('ul', array('id' => 'nav_views'));
+        foreach ($menu as $menuaction => $menudesc) {
+            $this->menuItem(common_local_url($menuaction,
+                                              isset($menudesc[2]) ? $menudesc[2] : null),
+                             $menudesc[0],
+                             $menudesc[1],
+                             $action == $menuaction);
+        }
+        $this->elementEnd('ul');
+    }
+
+    function common_show_header($pagetitle, $callable=null, $data=null, $headercall=null)
+    {
+        global $config, $xw;
+        global $action; /* XXX: kind of cheating here. */
+
+        common_start_html();
+
+        $this->elementStart('head');
+
+        if ($callable) {
+            if ($data) {
+                call_user_func($callable, $data);
+            } else {
+                call_user_func($callable);
+            }
+        }
+        $this->elementEnd('head');
+        $this->elementStart('body', $action);
+        $this->elementStart('div', array('id' => 'wrap'));
+        $this->elementStart('div', array('id' => 'content'));
+    }
+
+    // Added @id to li for some control. We might want to move this to htmloutputter.php
+
+    function menuItem($id=null, $url, $text, $title=null, $is_selected=false)
+    {
+        $lattrs = array();
+        if ($is_selected) {
+            $lattrs['class'] = 'current';
+        }
+
+        $this->elementStart('li', (is_null($id)) ? null : array('id' => $id),  $lattrs);
+        $attrs['href'] = $url;
+        if ($title) {
+            $attrs['title'] = $title;
+        }
+        $this->element('a', $attrs, $text);
+        $this->elementEnd('li');
+    }
+
+    // Does a little before-after block for next/prev page
+
+    function pagination($have_before, $have_after, $page, $action, $args=null)
+    {
+        if ($have_before || $have_after) {
+            $this->elementStart('div', array('class' => 'pagination'));
+            $this->elementStart('dl', null);
+            $this->element('dt', null, _('Pagination'));
+            $this->elementStart('dd', null);
+            $this->elementStart('ul', array('class' => 'nav'));
+        }
+
+        if ($have_before) {
+            $pargs = array('page' => $page-1);
+            $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
+
+            $this->elementStart('li', array('class' => 'nav_prev'));
+            $this->element('a', array('href' => common_local_url($action, $newargs), 'rel' => 'prev'),
+                           _('After'));
+            $this->elementEnd('li');
+        }
+
+        if ($have_after) {
+            $pargs = array('page' => $page+1);
+            $newargs = ($args) ? array_merge($args,$pargs) : $pargs;
+            $this->elementStart('li', array('class' => 'nav_next'));
+            $this->element('a', array('href' => common_local_url($action, $newargs), 'rel' => 'next'),
+                           _('Before'));
+            $this->elementEnd('li');
+        }
+
+        if ($have_before || $have_after) {
+            $this->elementEnd('ul');
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+            $this->elementEnd('div');
+        }
+    }
 }