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<?php
/**
* @file
* @brief sigplus Image Gallery Plus installer script
* @author Levente Hunyadi
* @version 1.4.2
* @remarks Copyright (C) 2009-2010 Levente Hunyadi
* @remarks Licensed under GNU/GPLv3, see http://www.gnu.org/licenses/gpl-3.0.html
* @see http://hunyadi.info.hu/projects/sigplus
*/
/*
* sigplus Image Gallery Plus plug-in for Joomla
* Copyright 2009-2010 Levente Hunyadi
*
* sigplus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* sigplus 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
class plgContentSIGPlusInstallerScript {
function __construct($parent) { }
function install($parent) { }
function uninstall($parent) {
self::removeCacheFolder('sigplus');
self::removeCacheFolder('preview');
self::removeCacheFolder('thumbs');
}
function update($parent) { }
function preflight($type, $parent) { }
function postflight($type, $parent) {
switch ($type) {
case 'install': // runs after installation is complete
self::copyScriptLibrary();
break;
case 'update':
self::copyScriptLibrary();
self::removeCacheFolder('sigplus', false);
break;
}
}
/**
* Localize an error message with fallback to a default message.
*/
private static function translate($id, $message) {
$text = JText::_($id);
if ($text != $id) { // message not translated
return $text;
} else {
return $message;
}
}
private static function copyScriptLibrary() {
$targetpath = JPATH_ROOT.DIRECTORY_SEPARATOR.'plugins'.DIRECTORY_SEPARATOR.'content'.DIRECTORY_SEPARATOR.'sigplus'.DIRECTORY_SEPARATOR.'js'.DIRECTORY_SEPARATOR.'jquery.js';
$sourcepaths = array(
'http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js',
'http://ajax.microsoft.com/ajax/jquery/jquery-1.4.4.min.js',
'http://code.jquery.com/jquery-1.4.4.min.js'
);
foreach ($sourcepaths as $sourcepath) {
if (copy($sourcepath, $targetpath)) {
return true; // jQuery library successfully copied from a CDN source
}
}
// jQuery library not copied from any CDN source
$warnmsg = self::translate('SIGPLUS_INSTALLER_JQUERY', 'Unable to get the jQuery library from the following content delivery network (CDN) sources:<br/> %1$s Local copy of <kbd>jquery.js</kbd> in the folder %2$s will not available.<br/>In most cases, you can safely ignore this warning message, see the <a href="http://hunyadi.info.hu/levente/en/sigplus/exceptions">sigplus list of error messages</a> for more information.');
$app = JFactory::getApplication();
$app->enqueueMessage(sprintf($warnmsg, '<pre>'.implode("\n", $sourcepaths).'</pre>', '<kbd>'.dirname($targetpath).'</kbd>'), 'warning');
return false;
}
/**
* Cleans a cache folder.
* @param {string} $folder The name of the folder whose contents to remove from the cache.
*/
private static function removeCacheFolder($folder, $complete = true) {
$folder = JPATH_ROOT.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.$folder; // use site cache folder, not administrator cache folder
if (file_exists($folder)) {
$files = scandir($folder);
if ($files !== false) {
foreach ($files as $file) {
if ($file[0] != '.') { // skip parent directory entries and hidden files
unlink($folder.DIRECTORY_SEPARATOR.$file);
}
}
if ($complete) {
rmdir($folder);
}
}
}
}
}