<?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 $args;
-
- function Action() {
- }
-
- # For initializing members of the class
-
- function init($argarray) {
- $this->args =& common_copy_args($argarray);
- return true;
- }
-
- # 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) : $arg;
- }
-
- # Note: argarray ignored, since it's now passed in in init()
-
- function handle($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) {
+class Action extends HTMLOutputter // lawsuit
+{
+ var $args;
+
+ function Action()
+ {
+ }
+
+ // For initializing members of the class
+
+ function prepare($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->startElement('head');
+ $this->showTitle();
+ $this->showStylesheets();
+ $this->showScripts();
+ $this->showOpenSearch();
+ $this->showFeeds();
+ $this->showDescription();
+ $this->extraHead();
+ $this->elementElement('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') . '?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) {
+ common_menu_item(common_local_url('all', array('nickname' => $user->nickname)),
+ _('Home'));
+ }
+ common_menu_item(common_local_url('peoplesearch'), _('Search'));
+ if ($user) {
+ common_menu_item(common_local_url('profilesettings'),
+ _('Settings'));
+ common_menu_item(common_local_url('invite'),
+ _('Invite'));
+ common_menu_item(common_local_url('logout'),
+ _('Logout'));
+ } else {
+ common_menu_item(common_local_url('login'), _('Login'));
+ if (!common_config('site', 'closed')) {
+ common_menu_item(common_local_url('register'), _('Register'));
+ }
+ common_menu_item(common_local_url('openidlogin'), _('OpenID'));
+ }
+ common_menu_item(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 => $menudesc) {
+ common_menu_item(common_local_url($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'));
+ common_menu_item(common_local_url('doc', array('title' => 'help')),
+ _('Help'));
+ common_menu_item(common_local_url('doc', array('title' => 'about')),
+ _('About'));
+ common_menu_item(common_local_url('doc', array('title' => 'faq')),
+ _('FAQ'));
+ common_menu_item(common_local_url('doc', array('title' => 'privacy')),
+ _('Privacy'));
+ common_menu_item(common_local_url('doc', array('title' => 'source')),
+ _('Source'));
+ common_menu_item(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');
- common_element_start('ul', array('id' => 'nav_views'));
+ $this->elementStart('ul', array('id' => 'nav_views'));
foreach ($menu as $menuaction => $menudesc) {
- common_menu_item(common_local_url($menuaction, isset($menudesc[2]) ? $menudesc[2] : NULL),
- $menudesc[0],
- $menudesc[1],
- $action == $menuaction);
+ common_menu_item(common_local_url($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'));
+ $this->elementStart('div', array('id' => 'content'));
+ }
+
+ // Added @id to li for some control. We might want to move this to htmloutputter.php
+ function common_menu_item($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');
}
- common_element_end('ul');
- }
+ }
}