actions/new.php

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<?php
/********************************************************************************
 *
 *  Xataface Web Application Framework for PHP and MySQL
 *  Copyright (C) 2006  Steve Hannah <shannah@sfu.ca>
 *  
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *  
 *  This library 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
 *  Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *===============================================================================
 */
class dataface_actions_new {
        function handle(){
                import( 'Dataface/FormTool.php');
                import( 'Dataface/QuickForm.php');
                $app =& Dataface_Application::getInstance();
                $query =& $app->getQuery();
                
                $new = true;
                
                $currentRecord = new Dataface_Record($query['-table'], array());
                $currentTable =& Dataface_Table::loadTable($query['-table']);
                if ( !isset($query['--tab']) and count($currentTable->tabs($currentRecord)) > 1 ){
                        list($query['--tab']) = array_keys($currentTable->tabs($currentRecord));
                } else if ( count($currentTable->tabs($currentRecord)) <= 1 ){
                        unset($query['--tab']);
                }
                $formTool =& Dataface_FormTool::getInstance();
                $form = $formTool->createRecordForm($currentRecord, true, @$query['--tab'], $query);
                
                
                //$form = new Dataface_QuickForm($query['-table'], $app->db(),  $query, '',$new);
                $res = $form->_build();
                if ( PEAR::isError($res) ){
                        error_log($res->toString().Dataface_Error::printStackTrace());
                        throw new Exception("Error occurred while building the new record form.  See error log for details.", E_USER_ERROR);
                        
                
                }
                $formTool->decorateRecordForm($currentRecord, $form, true, @$query['--tab']);   
                /*
                 *
                 * We need to add the current GET parameter flags (the GET vars starting with '-') so
                 * that the controller knows to pass control to this method again upon form submission.
                 *
                 */
                foreach ( $query as $key=>$value){
                        if ( strpos($key,'-')===0 ){
                                $form->addElement('hidden', $key);
                                $form->setDefaults( array( $key=>$value) );
                                
                        }
                }
                                
                /*
                 * Store the current query string (the portion after the '?') in the form, so we 
                 * can retrieve it after and redirect back to our original location.
                 */
                $form->addElement('hidden', '-query');
                $form->setDefaults( array( '-action'=>$query['-action'],'-query'=>$_SERVER['QUERY_STRING']) );
                                
                                
                /*
                 * 
                 * We have to deal with 3 cases.
                 *      1) The form has not been submitted.
                 *      2) The form was submitted but didn't validate (ie: it had some bad input)
                 *      3) The form was submitted and was validated.
                 *
                 * We deal with Case 3 first...
                 *
                 */
                        
                if ( $formTool->validateRecordForm($currentRecord, $form, true, @$query['--tab']) ){
                        
                        /*
                         *
                         * The form was submitted and it validated ok.  We now process it (ie: save its contents).
                         *
                         */
                        $formTool->handleTabSubmit($currentRecord, $form, @$query['--tab']);
                        if ( !isset($query['--tab']) ){
                                // If we aren't using tabs we just do it the old way.
                                // (If it ain't broke don't fix it
                                $result = $form->process( array( &$form, 'save') );
                        } else {
                                // If we are using tabs, we will use the formtool's 
                                // session aware saving function
                                $result = $formTool->saveSession($currentRecord, true);
                        }
                        
                        $success = true;
                        $response =& Dataface_Application::getResponse();
                        
                        if ( !$result ){
                                throw new Exception("Error occurred in save: ".mysql_error( $app->db()), E_USER_ERROR);
                        } else if ( PEAR::isError($result) && !Dataface_Error::isNotice($result) ){
                                //echo "Error..";
                                if ( Dataface_Error::isDuplicateEntry($result) ){
                                        $success = false;
                                        $form->_errors[] = $result->getMessage();
                                        
                                } else {
                                        //echo "not dup entry"; exit;
                                        error_log($result->toString()."\n".implode("\n", $result->getBacktrace()));
                                        throw new Exception("An error occurred while attempting to save the record.  See server error log for details.", E_USER_ERROR);

                                }
                        } else if ( Dataface_Error::isNotice($result) ){
                        
                                $app->addError($result);
                                $success = false;
                        }
                        
                        if ( $success){
                                
                                if (@$query['-response'] == 'json' ){
                                        //header('Content-type: text/json; charset="'.$app->_conf['oe'].'"');
                                        $rvals = $currentRecord->strvals();
                                        $rvals['__title__'] = $currentRecord->getTitle();
                                        $rvals['__id__'] = $currentRecord->getId();
                                        echo json_encode(array('response_code'=>200, 'record_data'=> $rvals, 'response_message'=>df_translate('Record Successfully Saved', 'Record Successfully Saved')));
                                        return;
                                }
                                import('Dataface/Utilities.php');
                                
                                
                                Dataface_Utilities::fireEvent('after_action_new', array('record'=>$currentRecord));
                                        
                                /*
                                 *
                                 * Since the form created a new record, then it makes more sense to redirect to this newly
                                 * created record than to the old record.  We used the 'keys' of the new record to generate
                                 * a redirect link.
                                 *
                                 */
                                //$query = $form->_record->getValues(array_keys($form->_record->_table->keys()));
                                $currentRecord->secureDisplay = false;
                                if ( $currentRecord->checkPermission('edit') ){
                                        $nextAction = 'edit';
                                } else {
                                        $nextAction = 'view';
                                }
                                $url = $currentRecord->getURL(array('-action'=>$nextAction));
                                
                                
                                $msg = implode("\n", $app->getMessages());//@$response['--msg'];
                                $msg = urlencode(trim(
                                        Dataface_LanguageTool::translate(
                                                /* i18n id */
                                                "Record successfully saved",
                                                /* Default message */
                                                "Record successfully saved."
                                        )."\n".$msg));
                                if ( strpos($url, '?') === false ) $url .= '?';
                                $link = $url.'&--msg='.$msg; 
                                $app->redirect("$link");
                                
                        }
                
                }
                
                ob_start();
                $form->setDefaults($_GET);
                $form->display();
                $out = ob_get_contents();
                ob_end_clean();
                
                if ( count($form->_errors) > 0 ){
                        $app->clearMessages();
                        $app->addError(PEAR::raiseError("Some errors occurred while processing this form: <ul><li>".implode('</li><li>', $form->_errors)."</li></ul>"));
                }
                
                $context = array('form'=>&$out);
                $context['tabs'] = $formTool->createHTMLTabs($currentRecord, $form, @$query['--tab']);
                        
                df_display($context, 'Dataface_New_Record.html', true);
        }
}

?>