/home/edulekha/studygroup.edulekha.com/ow_plugins/slideshow/controllers/admin.php
<?php

/**
 * This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
 * licensed under The BSD license.

 * ---
 * Copyright (c) 2011, Oxwall Foundation
 * All rights reserved.

 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this list of conditions and
 *  the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *  the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 *  - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
 *  derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * Slideshow administration
 *
 * @author Egor Bulgakov <egor.bulgakov@gmail.com>
 * @package ow.plugin.slideshow.controllers
 * @since 1.4.0
 */
class SLIDESHOW_CTRL_Admin extends ADMIN_CTRL_Abstract
{
    public function uninstall()
    {
        if ( isset($_POST['action']) && $_POST['action'] == 'delete_content' )
        {
        	$service = SLIDESHOW_BOL_Service::getInstance();
        	$list = $service->getAllSlideList();
        	
            if ( $list )
            {
                foreach ( $list as $slide )
                {
                	$service->addSlideToDeleteQueue($slide->id);
                }
            }
        	
            OW::getConfig()->saveConfig('slideshow', 'uninstall_inprogress', 1);
            BOL_ComponentAdminService::getInstance()->deleteWidget('SLIDESHOW_CMP_SlideshowWidget');
            
            OW::getFeedback()->info(OW::getLanguage()->text('slideshow', 'plugin_set_for_uninstall'));
            $this->redirect();
        }

        $this->setPageHeading(OW::getLanguage()->text('slideshow', 'page_title_uninstall'));
        $this->setPageHeadingIconClass('ow_ic_delete');
        
        $this->assign('inprogress', (bool) OW::getConfig()->getValue('slideshow', 'uninstall_inprogress'));
        
        $js = new UTIL_JsGenerator();
        $js->jQueryEvent('#btn-delete-content', 'click', 'if ( !confirm("'.OW::getLanguage()->text('slideshow', 'confirm_delete_plugin').'") ) return false;');
        
        OW::getDocument()->addOnloadScript($js);
    }
}