<?php
	/**************************************************************************\
	* eGroupWare - Admin config                                                *
	* Written by Miles Lott <milos@groupwhere.org>                             *
	* http://www.egroupware.org                                                *
	* --------------------------------------------                             *
	*  This program 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 2 of the License, or (at your  *
	*  option) any later version.                                              *
	\**************************************************************************/

	/* $Id$ */

	class uiconfig
	{
		var $public_functions = array('index' => True);

		function index()
		{
			if ($GLOBALS['egw']->acl->check('site_config_access',1,'admin'))
			{
				$GLOBALS['egw']->redirect_link('/index.php');
			}
			$referer = $_POST['submit'] || $_POST['cancel'] ? $_POST['referer'] : $_SERVER['HTTP_REFERER'];
			if (!$referer) $referer = $GLOBALS['egw']->link('/admin/index.php');
			if ($GLOBALS['egw_info']['server']['webserver_url'])
			{
				list(,$show_app) = explode($GLOBALS['egw_info']['server']['webserver_url'],$referer);
			}
			else
			{
				$parts = parse_url($referer);
				$show_app = $parts['path'];
				unset($parts);
			}
			list(,$show_app) = explode('/',$show_app);
			if (!$show_app) $show_app = 'admin';

			// load the translations of the app we show too, so they dont need to be in admin!
			if ($_GET['appname'] != 'admin')
			{
				$GLOBALS['egw']->translation->add_app($_GET['appname']);
			}

			if(get_magic_quotes_gpc() && is_array($_POST['newsettings']))
			{
				$_POST['newsettings'] = $this->array_stripslashes($_POST['newsettings']);
			}

			switch($_GET['appname'])
			{
				case 'admin':
				case 'addressbook':
				case 'calendar':
				case 'email':
				case 'nntp':
					/*
					Other special apps can go here for now, e.g.:
					case 'bogusappname':
					*/
					$appname = $_GET['appname'];
					$config_appname = 'phpgwapi';
					break;
				case 'phpgwapi':
				case '':
					/* This keeps the admin from getting into what is a setup-only config */
					$GLOBALS['egw']->redirect_link('/admin/index.php');
					break;
				default:
					$appname = $_GET['appname'];
					$config_appname = $appname;
					break;
			}
			$t =& CreateObject('phpgwapi.Template',$GLOBALS['egw']->common->get_tpl_dir($appname));
			$t->set_unknowns('keep');
			$t->set_file(array('config' => 'config.tpl'));
			$t->set_block('config','header','header');
			$t->set_block('config','body','body');
			$t->set_block('config','footer','footer');

			$c =& CreateObject('phpgwapi.config',$config_appname);
			$c->read_repository();

			if ($_POST['cancel'] || $_POST['submit'] && $GLOBALS['egw']->acl->check('site_config_access',2,'admin'))
			{
				$GLOBALS['egw']->redirect($referer);
			}

			if ($_POST['submit'])
			{
				/* Load hook file with functions to validate each config (one/none/all) */
				$GLOBALS['egw']->hooks->single('config_validate',$appname);

				foreach($_POST['newsettings'] as $key => $config)
				{
					if ($config)
					{
						$c->config_data[$key] = $config;
						if($GLOBALS['egw_info']['server']['found_validation_hook'] && function_exists($key))
						{
							call_user_func($key,$config);
							if($GLOBALS['config_error'])
							{
								$errors .= lang($GLOBALS['config_error']) . '&nbsp;';
								$GLOBALS['config_error'] = False;
							}
						}
					}
					/* don't erase passwords, since we also don't print them */
					elseif(strpos($key,'passwd') === false && strpos($key,'password') === false && strpos($key,'root_pw') === false)
					{
						unset($c->config_data[$key]);
					}
				}
				if($GLOBALS['egw_info']['server']['found_validation_hook'] && function_exists('final_validation'))
				{
					final_validation($_POST['newsettings']);
					if($GLOBALS['config_error'])
					{
						$errors .= lang($GLOBALS['config_error']) . '&nbsp;';
						$GLOBALS['config_error'] = False;
					}
					unset($GLOBALS['egw_info']['server']['found_validation_hook']);
				}

				$c->save_repository();

				if(!$errors)
				{
					$GLOBALS['egw']->redirect($referer);
				}
			}

			if($errors)
			{
				$t->set_var('error',lang('Error') . ': ' . $errors);
				$t->set_var('th_err','#FF8888');
				unset($errors);
				unset($GLOBALS['config_error']);
			}
			else
			{
				$t->set_var('error','');
				$t->set_var('th_err',$GLOBALS['egw_info']['theme']['th_bg']);
			}
			// set currentapp to our calling app, to show the right sidebox-menu
			$GLOBALS['egw_info']['flags']['currentapp'] = $show_app;
			$GLOBALS['egw']->common->egw_header();
			echo parse_navbar();

			$t->set_var('title',lang('Site Configuration'));
			$t->set_var('action_url',$GLOBALS['egw']->link('/index.php','menuaction=admin.uiconfig.index&appname=' . $appname));
			$t->set_var('th_bg',     $GLOBALS['egw_info']['theme']['th_bg']);
			$t->set_var('th_text',   $GLOBALS['egw_info']['theme']['th_text']);
			$t->set_var('row_on',    $GLOBALS['egw_info']['theme']['row_on']);
			$t->set_var('row_off',   $GLOBALS['egw_info']['theme']['row_off']);
			$t->set_var('hidden_vars','<input type="hidden" name="referer" value="'.$referer.'">');
			$t->pparse('out','header');

			$vars = $t->get_undefined('body');

			if ($GLOBALS['egw']->hooks->single('config',$appname))	// reload the config-values, they might have changed
			{
				$c->read_repository();
			}
			foreach($vars as $value)
			{
				$valarray = explode('_',$value);
				$type = array_shift($valarray);
				$newval = implode(' ',$valarray);

				switch ($type)
				{
					case 'lang':
						$t->set_var($value,lang($newval));
						break;
					case 'value':
						$newval = str_replace(' ','_',$newval);
						/* Don't show passwords in the form */
						if(strpos($value,'passwd') !== false || strpos($value,'password') !== false || strpos($value,'root_pw') !== false)
						{
							$t->set_var($value,'');
						}
						else
						{
							$t->set_var($value,$c->config_data[$newval]);
						}
						break;
					/*
					case 'checked':
						$newval = str_replace(' ','_',$newval);
						if ($c->config_data[$newval])
						{
							$t->set_var($value,' checked');
						}
						else
						{
							$t->set_var($value,'');
						}
						break;
					*/
					case 'selected':
						$configs = array();
						$config  = '';
						$newvals = explode(' ',$newval);
						$setting = end($newvals);
						for ($i=0;$i<(count($newvals) - 1); $i++)
						{
							$configs[] = $newvals[$i];
						}
						$config = implode('_',$configs);
						/* echo $config . '=' . $c->config_data[$config]; */
						if ($c->config_data[$config] == $setting)
						{
							$t->set_var($value,' selected');
						}
						else
						{
							$t->set_var($value,'');
						}
						break;
					case 'hook':
						$newval = str_replace(' ','_',$newval);
						if(function_exists($newval))
						{
							$t->set_var($value,$newval($c->config_data));
						}
						else
						{
							$t->set_var($value,'');
						}
						break;
					case 'call':	// eg. call_class::method or call_app.class.method
						$newval = str_replace(' ','_',$newval);
						$t->set_var($value,ExecMethod($newval,$c->config_data));
						break;
					default:
						$t->set_var($value,'');
						break;
				}
			}

			$t->pfp('out','body');

			$t->set_var('lang_submit', $GLOBALS['egw']->acl->check('site_config_access',2,'admin') ? lang('Cancel') : lang('Save'));
			$t->set_var('lang_cancel', lang('Cancel'));
			$t->pfp('out','footer');
		}

		/**
		 * applies stripslashes recursivly on each element of an array
		 *
		 * @param array &$var
		 * @return array
		 */
		function array_stripslashes($var)
		{
			if (!is_array($var))
			{
				return stripslashes($var);
			}
			foreach($var as $key => $val)
			{
				$var[$key] = is_array($val) ? $this->array_stripslashes($val) : stripslashes($val);
			}
			return $var;
		}
	}
?>