<?php
/*********************************************************************************
 * SugarCRM is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004 - 2008 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * 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 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 or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/

require_once ('modules/ModuleBuilder/MB/AjaxCompose.php') ;
require_once ('modules/ModuleBuilder/parsers/views/History.php') ;
require_once ('modules/ModuleBuilder/parsers/ParserFactory.php') ;

class ViewHistory extends SugarView
{
    var $pageSize = 10 ;

    function display ()
    {
        $this->layout = strtolower ( $_REQUEST [ 'view' ] ) ;
        
        $subpanelName = null ;
        if ((strtolower ( $this->layout ) == 'listview') && (isset ( $_REQUEST [ 'subpanel' ] )))
        {
            $subpanelName = $_REQUEST [ 'subpanel' ] ;
            
        }
        
        $packageName = (isset ( $_REQUEST [ 'view_package' ] ) && (strtolower ( $_REQUEST [ 'view_package' ] ) != 'studio')) ? $_REQUEST [ 'view_package' ] : null ;
        $this->module = $_REQUEST [ 'view_module' ] ;
        
        $this->parser = ParserFactory::getParser ( $this->layout, $this->module, $packageName, $subpanelName ) ;
        $this->history = $this->parser->getHistory () ;
        $action = ! empty ( $_REQUEST [ 'histAction' ] ) ? $_REQUEST [ 'histAction' ] : 'browse' ;
        $GLOBALS['log']->debug( get_class($this)."->display(): performing History action {$action}" ) ;
        $this->$action () ;
    }

    function browse ()
    {
        $smarty = new Sugar_Smarty ( ) ;
        global $mod_strings ;
        $smarty->assign ( 'mod_strings', $mod_strings ) ;
        $smarty->assign ( 'view_module', $this->module ) ;
        $smarty->assign ( 'view', $this->layout ) ;
        
        if (! empty ( $_REQUEST [ 'subpanel' ] ))
        {
            $smarty->assign ( 'subpanel', $_REQUEST [ 'subpanel' ] ) ;
        }
        $stamps = array ( ) ;
        global $timedate ;
        $userFormat = $timedate->get_date_time_format () ;
        $page = ! empty ( $_REQUEST [ 'page' ] ) ? $_REQUEST [ 'page' ] : 0 ;
        $ts = $this->history->getNth ( $page * $this->pageSize ) ;
        $snapshots = array ( ) ;
        for ( $i = 0 ; $i <= $this->pageSize && $ts > 0 ; $i ++ )
        {
            $dbDate = gmdate ( $timedate->get_db_date_time_format (), $ts ) ;
            $displayTS = $timedate->to_display_date_time ( $dbDate ) ;
            $snapshots [ $ts ] = $displayTS ;
            $ts = $this->history->getNext () ;
        }
        if (count ( $snapshots ) > $this->pageSize)
        {
            $smarty->assign ( 'nextPage', true ) ;
        }
        $snapshots = array_slice ( $snapshots, 0, $this->pageSize, true ) ;
        $smarty->assign ( 'currentPage', $page ) ;
        $smarty->assign ( 'snapshots', $snapshots ) ;
        $smarty->assign ( 'snapshots', $snapshots ) ;
        $html = $smarty->fetch ( 'modules/ModuleBuilder/tpls/history.tpl' ) ;
        echo $html ;
    }

    function preview ()
    {
        global $mod_strings ;
        if (! isset ( $_REQUEST [ 'sid' ] ))
        {
            die ( 'SID Required' ) ;
        }
        $sid = $_REQUEST [ 'sid' ] ;
        $subpanel = '';
        if (! empty ( $_REQUEST [ 'subpanel' ] ))
        {
            $subpanel = ',"' . $_REQUEST [ 'subpanel' ] . '"' ;
        }
        echo "<input type='button' name='close$sid' value='Close' " . "class='button' onclick='ModuleBuilder.tabPanel.remove(\"preview:$sid\");' style='margin:5px;'>" . "<input type='button' name='restore$sid' value='" . translate ( 'LBL_MB_RESTORE' ) . "' " . "class='button' onclick='ModuleBuilder.history.revert(\"$this->module\",\"{$this->layout}\",\"$sid\"$subpanel);' style='margin:5px;'>" ;
        $this->history->restoreByTimestamp ( $sid ) ;
        $view ;
        if ($this->layout == 'listview')
        {
            require_once ("modules/ModuleBuilder/views/view.listview.php") ;
            $view = new ViewListView ( ) ;
        } else if ($this->layout == 'basic_search' || $this->layout == 'advanced_search')
        {
            require_once ("modules/ModuleBuilder/views/view.searchview.php") ;
            $view = new ViewSearchView ( ) ;
        } else if ($this->layout == 'dashlet' || $this->layout == 'dashletsearch')
        {
        	require_once ("modules/ModuleBuilder/views/view.dashlet.php") ;
        	$view = new ViewDashlet ( ) ;
        } else
        {
            require_once ("modules/ModuleBuilder/views/view.layoutview.php") ;
            $view = new ViewLayoutView ( ) ;
        }
        
        $view->display ( true ) ;
        $this->history->undoRestore () ;
    }

    function restore ()
    {
        if (! isset ( $_REQUEST [ 'sid' ] ))
        {
            die ( 'SID Required' ) ;
        }
        $sid = $_REQUEST [ 'sid' ] ;
        $this->history->restoreByTimestamp ( $sid ) ;
    }

	/**
 	 * Restores a layout to its current customized state. 
 	 * Called when leaving a restored layout without saving.
 	 */
    function unrestore() {
    	$this->history->undoRestore () ;
    }
}
