gnu-social/lib/settingsaction.php

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Base class for settings actions
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* 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 Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008-2009 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);
}
/**
* Base class for settings group of actions
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@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 Widget
*/
class SettingsAction extends CurrentUserDesignAction
{
/**
* A message for the user.
*/
var $msg = null;
/**
* Whether the message is a good one or a bad one.
*/
var $success = false;
/**
* Handle input and output a page
*
* @param array $args $_REQUEST arguments
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if (!common_logged_in()) {
$this->clientError(_('Not logged in.'));
return;
} else if (!common_is_real_login()) {
// Cookie theft means that automatic logins can't
// change important settings or see private info, and
// _all_ our settings are important
common_set_returnto($this->selfUrl());
$user = common_current_user();
if (Event::handle('RedirectToLogin', array($this, $user))) {
if ($user->hasOpenID()) {
common_redirect(common_local_url('openidlogin'), 303);
} else {
common_redirect(common_local_url('login'), 303);
}
}
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->handlePost();
} else {
$this->showForm();
}
}
/**
* Handle a POST request
*
* @return boolean success flag
*/
function handlePost()
{
return false;
}
/**
* show the settings form
*
* @param string $msg an extra message for the user
* @param string $success good message or bad message?
*
* @return void
*/
function showForm($msg=null, $success=false)
{
$this->msg = $msg;
$this->success = $success;
$this->showPage();
}
/**
* show human-readable instructions for the page
*
* @return void
*/
function showPageNotice()
{
if ($this->msg) {
$this->element('div', ($this->success) ? 'success' : 'error',
$this->msg);
} else {
$inst = $this->getInstructions();
$output = common_markup_to_html($inst);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
}
}
/**
* instructions recipe for sub-classes
*
* Subclasses should override this to return readable instructions. They'll
* be processed by common_markup_to_html().
*
* @return string instructions text
*/
function getInstructions()
{
return '';
}
}