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utility superclass for plugins

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Evan Prodromou 2009-02-09 08:47:11 -05:00
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commit 175f1e7395
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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Utility class for plugins
*
* 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 Plugin
* @package Laconica
* @author Evan Prodromou <evan@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);
}
/**
* Base class for plugins
*
* A base class for Laconica plugins. Mostly a light wrapper around
* the Event framework.
*
* Subclasses of Plugin will automatically handle an event if they define
* a method called "onEventName". (Well, OK -- only if they call parent::__construct()
* in their constructors.)
*
* They will also automatically handle the InitializePlugin and CleanupPlugin with the
* initialize() and cleanup() methods, respectively.
*
* @category Plugin
* @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 Event
*/
class Plugin
{
function __construct()
{
Event::addHandler('InitializePlugin', array($this, 'initialize'));
Event::addHandler('CleanupPlugin', array($this, 'cleanup'));
foreach (get_class_methods($this) as $method) {
if (mb_substr($method, 0, 2) == 'on') {
Event::addHandler(mb_substr($method, 2), array($this, $method));
}
}
}
function initialize()
{
return true;
}
function cleanup()
{
return true;
}
}