<?php

/**
 * An extension to allow users to add new content action tabs to pages
 * (mostly only useful to add a purge tab right now)
 * Requires the PreferencesExtension
 *
 * Author: Austin Che <http://openwetware.org/wiki/User:Austin>
 *
 */

$wgExtensionFunctions[] = 'wfUserContentActions';
$wgExtensionCredits['other'][] = array(
    'name' => 'UserContentActions',
    'version' => '2006/04/01',
    'author' => 'Austin Che',
    'url' => 'http://openwetware.org/wiki/User:Austin/Extensions/UserContentActions',
    'description' => 'Allows users to add actions tabs to each page',
);


function wfUserContentActions() 
{
    global $wgHooks, $wgMessageCache;

    $wgMessageCache->addMessages(array('contentactions' => 'Extra page content actions'));
    $wgHooks['SkinTemplateContentActions'][] = 'wfAddUserContentActions';
    if (function_exists("wfAddPreferences"))
    {
        wfAddPreferences(array(array('name' => "contentactions",
                                     'section' => "prefs-misc",
                                     'type' => PREF_TEXT_T,
                                     'size' => 25)));
    }
}

function wfAddUserContentActions(&$content_actions)
{
    global $wgRequest, $wgTitle, $wgUser;

    if (! $wgUser->getOption("contentactions"))
        return true;

    $contentactions = $wgUser->getOption("contentactions");
    $curaction = $wgRequest->getText('action');
    if ( $wgTitle->getNamespace() != NS_SPECIAL ) 
    {
        $useractions = preg_split( '/\s*,\s*/', trim($contentactions));
        foreach ($useractions as $action)
        {
            $content_actions[$action] = array('class' => $curaction == $action ? 'selected' : false,
                                              'text' => $action,
                                              'href' => $wgTitle->getLocalUrl("action=$action")
                                              );
        }
    }

    return true;
}

?>