moodle/mod/feedback/import.php
2009-08-06 14:15:15 +00:00

282 lines
10 KiB
PHP

<?php // $Id$
/**
* prints the form to import items from xml-file
*
* @version $Id$
* @author Andreas Grabs
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package feedback
*/
require_once("../../config.php");
require_once("lib.php");
// get parameters
$id = required_param('id', PARAM_INT);
$choosefile = optional_param('choosefile', false, PARAM_PATH);
$action = optional_param('action', false, PARAM_ALPHA);
if(($formdata = data_submitted()) AND !confirm_sesskey()) {
print_error('invalidsesskey');
}
if ($id) {
if (! $cm = get_coursemodule_from_id('feedback', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
print_error('coursemisconf');
}
if (! $feedback = $DB->get_record("feedback", array("id"=>$cm->instance))) {
print_error('invalidcoursemodule');
}
}
$capabilities = feedback_load_capabilities($cm->id);
require_login($course->id, true, $cm);
if(!$capabilities->edititems){
print_error('invalidaction');
}
unset($filename);
if ($action == 'choosefile' AND confirm_sesskey() ) {
// file checks out ok
$fileisgood = false;
// work out if this is an uploaded file
// or one from the filesarea.
if ($choosefile) {
$filename = "{$CFG->dataroot}/{$course->id}/{$choosefile}";
}
}
// process if we are happy file is ok
if (isset($filename)) {
if(!is_file($filename) OR !is_readable($filename)) {
print_error('filenotreadable');
}
if(!$xmldata = feedback_load_xml_data($filename)) {
print_error('cannotloadxml', 'feedback', 'edit.php?id='.$id);
}
$importerror = feedback_import_loaded_data($xmldata, $feedback->id);
if($importerror->stat == true) {
redirect('edit.php?id='.$id.'&do_show=templates', get_string('import_successfully', 'feedback'), 3);
exit;
}
}
/// Print the page header
$strfeedbacks = get_string("modulenameplural", "feedback");
$strfeedback = get_string("modulename", "feedback");
$buttontext = update_module_button($cm->id, $course->id, $strfeedback);
$navlinks = array();
$navlinks[] = array('name' => $strfeedbacks, 'link' => "index.php?id=$course->id", 'type' => 'activity');
$navlinks[] = array('name' => format_string($feedback->name), 'link' => "", 'type' => 'activityinstance');
$navigation = build_navigation($navlinks);
print_header_simple(format_string($feedback->name), "",
$navigation, "", "", true, $buttontext, navmenu($course, $cm));
/// Print the main part of the page
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
echo $OUTPUT->heading(get_string('import_questions','feedback'));
if(isset($importerror->msg) AND is_array($importerror->msg)) {
// print_simple_box_start('center', '', '#FFAAAA', 5, 'notifyproblem');
print_box_start('generalbox errorboxcontent boxaligncenter');
foreach($importerror->msg as $msg) {
echo $msg.'<br />';
}
// print_simple_box_end();
print_box_end();
}
?>
<form name="form" method="post" action="import.php">
<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />
<input type="hidden" name="action" value="choosefile" />
<input type="hidden" name="id" value="<?php p($id);?>" />
<input type="hidden" name="do_show" value="templates" />
<?php print_box_start('generalbox boxaligncenter boxwidthwide'); ?>
<input type="radio" name="deleteolditems" value="1" checked="checked" /> <?php echo get_string('delete_old_items', 'feedback').' ('.get_string('oldvalueswillbedeleted','feedback').')';?><br />
<input type="radio" name="deleteolditems" value="0" /> <?php echo get_string('append_new_items', 'feedback').' ('.get_string('oldvaluespreserved','feedback').')';?><br />
<table cellpadding="5">
<tr>
<td align="right"><?php print_string('file', 'feedback'); ?>:</td>
<td><input type="text" name="choosefile" size="50" /></td>
</tr>
<tr>
<td>&nbsp;</td>
<td><?php
$form = new html_form();
$form->button->text = get_string('choosefile', 'feedback');
$form->button->title = $form->button->text;
$form->url = "/files/index.php?id={$course->id}&choose=form.choosefile";
$form->button->add_action(new popup_action('click', $form->url, "coursefiles", array('width' => 750, 'height' => 500)));
echo $OUTPUT->button($form);
?>
<input type="submit" name="save" value="<?php print_string('importfromthisfile', 'feedback'); ?>" />
</td>
</tr>
</table>
<?php
print_box_end(); ?>
</form>
<?php
echo '<div class="mdl-align">';
print_single_button('edit.php', array('id'=>$id, 'do_show'=>'templates'), get_string('cancel'));
echo '</div>';
echo $OUTPUT->footer();
function feedback_load_xml_data($filename) {
global $CFG;
require_once($CFG->dirroot.'/lib/xmlize.php');
$datei = file_get_contents($filename);
if(!$datei = feedback_check_xml_utf8($datei)) return false;
$data = xmlize($datei, 1, 'UTF-8');
if(intval($data['FEEDBACK']['@']['VERSION']) != 200701) {
return false;
}
$data = $data['FEEDBACK']['#']['ITEMS'][0]['#']['ITEM'];
return $data;
}
function feedback_import_loaded_data(&$data, $feedbackid){
global $CFG, $DB;
$deleteolditems = optional_param('deleteolditems', 0, PARAM_INT);
$error = new object();
$error->stat = true;
$error->msg = array();
if(!is_array($data)) {
$error->msg[] = get_string('data_is_not_an_array', 'feedback');
$error->stat = false;
return $error;
}
if($deleteolditems) {
feedback_delete_all_items($feedbackid);
$position = 0;
} else {
//items will be add to the end of the existing items
$position = $DB->count_records('feedback_item', array('feedback'=>$feedbackid));
}
foreach($data as $item) {
$position++;
//check the typ
$typ = $item['@']['TYPE'];
//check oldtypes first
switch($typ) {
case 'radio':
$typ = 'multichoice';
$oldtyp = 'radio';
break;
case 'dropdown':
$typ = 'multichoice';
$oldtyp = 'dropdown';
break;
case 'check':
$typ = 'multichoice';
$oldtyp = 'check';
break;
case 'radiorated':
$typ = 'multichoicerated';
$oldtyp = 'radiorated';
break;
case 'dropdownrated':
$typ = 'multichoicerated';
$oldtyp = 'dropdownrated';
break;
default:
$oldtyp = $typ;
}
$itemclass = 'feedback_item_'.$typ;
if($typ != 'pagebreak' AND !class_exists($itemclass)) {
$error->stat = false;
$error->msg[] = 'type ('.$typ.') not found';
continue;
}
$itemobj = new $itemclass();
$newitem = new object();
$newitem->feedback = $feedbackid;
$newitem->template = 0;
$newitem->typ = $typ;
$newitem->name = trim($item['#']['ITEMTEXT'][0]['#']);
$newitem->presentation = trim($item['#']['PRESENTATION'][0]['#']);
//check old types of radio, check, and so on
switch($oldtyp) {
case 'radio':
$newitem->presentation = 'r>>>>>'.$newitem->presentation;
break;
case 'dropdown':
$newitem->presentation = 'd>>>>>'.$newitem->presentation;
break;
case 'check':
$newitem->presentation = 'c>>>>>'.$newitem->presentation;
break;
case 'radiorated':
$newitem->presentation = 'r>>>>>'.$newitem->presentation;
break;
case 'dropdownrated':
$newitem->presentation = 'd>>>>>'.$newitem->presentation;
break;
}
if($typ != 'pagebreak') {
$newitem->hasvalue = $itemobj->get_hasvalue();
}else {
$newitem->hasvalue = 0;
}
$newitem->required = intval($item['@']['REQUIRED']);
$newitem->position = $position;
$DB->insert_record('feedback_item', $newitem);
}
return $error;
}
function feedback_check_xml_utf8($text) {
//find the encoding
$searchpattern = '/^\<\?xml.+(encoding=\"([a-z0-9-]*)\").+\?\>/is';
if(!preg_match($searchpattern, $text, $match)) return false; //no xml-file
//$match[0] = \<\? xml ... \?\> (without \)
//$match[1] = encoding="...."
//$match[2] = ISO-8859-1 or so on
if(isset($match[0]) AND !isset($match[1])){ //no encoding given. we assume utf-8
return $text;
}
if(isset($match[0]) AND isset($match[1]) AND isset($match[2])) { //encoding is given in $match[2]
$enc = $match[2];
$textlib = textlib_get_instance();
return $textlib->convert($text, $enc);
}
}
?>