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<?php
/**
* Main Frontend controller for Forms Component
*
* @version $Id: controller.php 170 2009-08-12 07:29:38Z dr_drsh $
* @package Joomla
* @subpackage JForms
* @copyright Copyright (C) 2008 Mostafa Muhammad. All rights reserved.
* @license GNU/GPL
*/
jimport('joomla.application.component.controller');
/**
* Main Frontend Controller
*
* @package Joomla
* @subpackage JForms
*/
class FrontendController extends JController
{
/**
* constructor (registers additional tasks to methods)
*
* @return void
*/
function __construct()
{
parent::__construct();
// Register Extra tasks
$this->registerTask( 'form' , 'form');
$this->registerTask( 'thank' , 'thank');
$this->registerTask( 'save' , 'save');
}
/**
* Validates record and stores it
*
* @access public
*/
function save()
{
JRequest::checkToken('post') or jexit( 'Invalid Token' );
//Load element plugins
global $JFormGlobals;
$pManager =& $JFormGlobals['JFormsPlugin'];
$pManager->loadElementPlugins();
$pManager->loadStoragePlugins();
$id = JRequest::getInt( 'id' );
$itemid = JRequest::getInt( 'Itemid' );
$model = & $this->getModel('form');
$form = $model->getForm( $id );
if( $form == null ){
JError::raiseError( 404, JText::_("Page not found") );
}
//Check premissions
$user =& JFactory::getUser();
$allowedGroups = explode(',', $form->groups);
if( !in_array( $user->gid, $allowedGroups ) ){
JError::raiseError( 403, JText::_("Access Forbidden") );
}
//If Profile mode form, Allow only registered users
if( !$user->id && $form->type == JFORMS_TYPE_PROFILE ){
JError::raiseError( 403, JText::_("Access Forbidden") );
}
//The record data
$postVars = JRequest::get('post');
$isValidationError = false;
for($i=0;$i<count($form->fields);$i++ ){
$field = $form->fields[$i];
//Deal with checkboxes and radios, elements that aren't submitted to the server if they have no value "not checked radio box,etc."
//This will set to null the fields that are present in form definition and not submitted to the server
if( !array_key_exists( $field->parameters['hash'], $postVars ) ) {
$postVars[$field->parameters['hash']] = null;
}
$data = $postVars[$field->parameters['hash']];
//Validate
$error = $pManager->invokeMethod('validate', JFORM_PLUGIN_ELEMENT,
array($field->type), array( $field, $data ) );
//If there's an error
if( $error != '' ){
//Raise error flag
$isValidationError = true;
}
$form->fields[$i]->validationError = $error;
$form->fields[$i]->defaultValue = $data;
}
/*
* Validation errors
*/
if( $isValidationError ){
//There has been a validation error, return to previous page and save error data in session
if(array_key_exists( 'from_jforms_plugin', $postVars ) &&
intval($postVars['from_jforms_plugin'])){
//Use session to store form previous State
$formStateInfo = array();
for($i=0;$i<count($form->fields);$i++ ){
$formStateInfo[$form->fields[$i]->parameters['hash']] =
array(
$form->fields[$i]->validationError,
$form->fields[$i]->defaultValue
);
}
$document =& JFactory::getDocument();
$_SESSION['JFormsSession']['FormState'][$form->id] = $formStateInfo;
$uri = $postVars['url'];
//Appends frmReturn=1 to the request URL to inform the plugin that we're returning form vaildation
$jrouter =& JRouter::getInstance('site');
$juri =& JURI::getInstance( $uri );
if( !$juri->isInternal( $uri ) ){
die('Hacking attempt');
}
$urlFragments = $jrouter->parse($juri);
if( !array_key_exists( 'frmReturn', $urlFragments ))
$urlFragments['frmReturn'] = '1';
$redirectURL = 'index.php?';
foreach( $urlFragments as $key => $value ){
$redirectURL .= $key.'='.$value.'&';
}
$redirectURL = JRoute::_($redirectURL, false);
$this->setRedirect( $redirectURL );
} else {
//Running from com_jforms context
if(
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$form->theme.'.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$form->theme.'_thank.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.$form->theme.'.css')
)$form->theme = 'default';
$document =& JFactory::getDocument();
$viewType = $document->getType();
$viewName = 'form';
$viewLayout = $form->theme;
$view = & $this->getView( $viewName, $viewType, '', array( 'base_path'=>$this->_basePath));
// Set the layout
$view->setLayout($viewLayout);
// Display the view
$view->display($form);
}
} else {
//Everything went okay?
//Clear session Form states
unset($_SESSION['JFormsSession']);
$response = $pManager->invokeMethod('getNextInsertID',
JFORM_PLUGIN_STORAGE,
array('Database'),
array( $form ) );
$nextInsertId = intval( $response['Database'] );
//Everything is okay , proceed to save data
for($i=0;$i<count($form->fields);$i++ ){
//No longer needed
unset( $form->fields[$i]->validationError );
unset( $form->fields[$i]->defaultValue );
$field = $form->fields[$i];
$data = $postVars[$field->parameters['hash']];
$storage = $pManager->element_plugins[$field->type]->storage;
if( $storage && $storage->requirefs ){
//Get Filesystem paths from Database plugin
$response = $pManager->invokeMethod('getFSPath',
JFORM_PLUGIN_STORAGE,
array('Database'),
array( $form, $field->parameters['hash'], $nextInsertId ) );
$fsInfo = $response['Database'];
//trigger the "onBeforeSave" event on plugin elements
$postVars[$field->parameters['hash']] =
$pManager->invokeMethod('beforeSave', JFORM_PLUGIN_ELEMENT,
array($field->type), array( $field, $data, $fsInfo ) );
} else {
//trigger the "onBeforeSave" event on plugin elements
$postVars[$field->parameters['hash']] =
$pManager->invokeMethod('beforeSave', JFORM_PLUGIN_ELEMENT,
array($field->type), array( $field, $data, null ) );
}
}
$model->save($form, $postVars);
$uri = JRoute::_( 'index.php?option=com_jforms&task=thank&id='.$form->id.'&Itemid='.$itemid, false );
$this->setRedirect( $uri );
}
}
/**
* Displays the thank you page
*
* @access public
*/
function thank()
{
$id = JRequest::getInt( 'id' );
$document =& JFactory::getDocument();
$model = & $this->getModel('form');
$data = $model->getThankMessage( $id );
if( is_null( $data ) ){
JError::raiseError( 404, JText::_("Page not found") );
}
if(
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$data->theme.'.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$data->theme.'_thank.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.$data->theme.'.css')
)$data->theme = 'default';
$viewType = $document->getType();
$viewName = 'form';
$viewLayout = $data->theme.'_thank';
$view = & $this->getView( $viewName, $viewType, '', array( 'base_path'=>$this->_basePath));
// Set the layout
$view->setLayout($viewLayout);
// Display the view
$view->display_thank( $data );
}
/**
* Method to display the view, (Currently it is a faithful copy from the base)
*
* @access public
*/
function display()
{
jimport('joomla.filesystem.file');
$document =& JFactory::getDocument();
$id = JRequest::getInt( 'id' );
$model = & $this->getModel('form');
$form = $model->getForm( $id );
if( $form == null ){
JError::raiseError( 404, JText::_("Page not found") );
}
//Check premissions
$user =& JFactory::getUser();
$allowedGroups = explode(',', $form->groups);
if( !in_array( $user->gid, $allowedGroups ) ){
JError::raiseError( 403, JText::_("Access Forbidden") );
}
//If Profile mode form, Allow only non-guests
if( !$user->id && $form->type == JFORMS_TYPE_PROFILE ){
JError::raiseError( 403, JText::_("Access Forbidden") );
}
//Sort elements
$sortedElements = array();
foreach( $form->fields as $f ){
$sortedElements[$f->position] = $f;
}
$form->fields = $sortedElements;
//Load previously stored Data
if( $user->id && $form->type == JFORMS_TYPE_PROFILE ){
$record = $model->getRecordByUid( $form, $user->id );
if( count($record) ){
foreach( $form->fields as $key => $value ){
//Fix for PHP4 since foreach doesn't return references.
$f = &$form->fields[$key];
if( array_key_exists( $f->parameters['hash'], $record ))
$f->parameters['defaultValue'] = $record[$f->parameters['hash']];
}
}
}
//Check the selected theme, if any file is missing, load default
if(
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$form->theme.'.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.'tmpl'.DS.$form->theme.'_thank.php') ||
!JFile::exists( JFORMS_FRONTEND_PATH.DS.'views'.DS.'form'.DS.$form->theme.'.css')
)$form->theme = 'default';
$viewType = $document->getType();
$viewName = 'form';
$viewLayout = $form->theme;
$view = & $this->getView( $viewName, $viewType, '', array( 'base_path'=>$this->_basePath));
// Set the layout
$view->setLayout($viewLayout);
// Display the view
$view->display($form);
}
}