mirror of
https://github.com/moodle/moodle.git
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283 lines
11 KiB
PHP
283 lines
11 KiB
PHP
<?php // $Id$
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/**
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* Import quiz questions into the given category
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*
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* @version $Id$
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* @author Martin Dougiamas, Howard Miller, and many others.
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* {@link http://moodle.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package quiz
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*/
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require_once("../config.php");
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require_once( "editlib.php" );
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require_once($CFG->dirroot.'/lib/uploadlib.php');
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// get parameters
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$params = new stdClass;
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$params->choosefile = optional_param('choosefile','',PARAM_PATH);
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$categoryid = optional_param('category', 0, PARAM_INT);
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$courseid = optional_param('course', 0, PARAM_INT);
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$format = optional_param('format','',PARAM_FILE);
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$params->matchgrades = optional_param('matchgrades','',PARAM_ALPHA);
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// get display strings
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$txt = new stdClass();
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$txt->category = get_string('category','quiz');
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$txt->choosefile = get_string('choosefile','quiz');
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$txt->editingquiz = get_string(isset($SESSION->modform->instance) ? "editingquiz" : "editquestions", "quiz");
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$txt->file = get_string('file');
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$txt->fileformat = get_string('fileformat','quiz');
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$txt->importerror = get_string('importerror','quiz');
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$txt->importfilearea = get_string('importfilearea','quiz');
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$txt->importfileupload = get_string('importfileupload','quiz');
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$txt->importfromthisfile = get_string('importfromthisfile','quiz');
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$txt->importquestions = get_string("importquestions", "quiz");
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$txt->matchgrades = get_string('matchgrades','quiz');
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$txt->matchgradeserror = get_string('matchgradeserror','quiz');
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$txt->matchgradesnearest = get_string('matchgradesnearest','quiz');
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$txt->modulename = get_string('modulename','quiz');
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$txt->modulenameplural = get_string('modulenameplural','quiz');
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$txt->nocategory = get_string('nocategory','quiz');
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$txt->onlyteachersimport = get_string('onlyteachersimport','quiz');
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$txt->questions = get_string("questions", "quiz");
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$txt->quizzes = get_string('modulenameplural', 'quiz');
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$txt->upload = get_string('upload');
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$txt->uploadproblem = get_string('uploadproblem');
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$txt->uploadthisfile = get_string('uploadthisfile');
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// matching options
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$matchgrades = array();
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$matchgrades['error'] = $txt->matchgradeserror;
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$matchgrades['nearest'] = $txt->matchgradesnearest;
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if ($categoryid) { // update category in session variable
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$SESSION->questioncat = $categoryid;
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} else { // try to get category from modform
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$showcatmenu = true; // will ensure that user can choose category
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if (isset($SESSION->questioncat)) {
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$categoryid = $SESSION->questioncat;
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}
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}
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if (! $category = get_record("question_categories", "id", $categoryid)) {
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// if no valid category was given, use the default category
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if ($courseid) {
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$category = get_default_question_category($courseid);
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} else {
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error( $txt->nocategory );
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}
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}
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if (!$courseid) { // need to get the course from the chosen category
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$courseid = $category->course;
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}
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if (! $course = get_record("course", "id", $courseid)) {
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error("Invalid course!");
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}
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require_login($course->id, false);
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if (!isteacheredit($course->id)) {
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error( $txt->onlyteachersimport );
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}
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// ensure the files area exists for this course
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make_upload_directory( "$course->id" );
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//==========
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// PAGE HEADER
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//==========
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if (isset($SESSION->modform->instance) and $quiz = get_record('quiz', 'id', $SESSION->modform->instance)) {
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$strupdatemodule = isteacheredit($course->id)
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? update_module_button($SESSION->modform->cmid, $course->id, $txt->modulename)
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: "";
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print_header_simple($txt->importquestions, '',
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"<a href=\"$CFG->wwwroot/mod/quiz/index.php?id=$course->id\">".$txt->modulenameplural.'</a>'.
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" -> <a href=\"$CFG->wwwroot/mod/quiz/view.php?q=$quiz->id\">".format_string($quiz->name).'</a>'.
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' -> '.$txt->importquestions,
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"", "", true, $strupdatemodule);
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$currenttab = 'edit';
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$mode = 'import';
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include($CFG->dirroot.'/mod/quiz/tabs.php');
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} else {
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print_header_simple($txt->importquestions, '', $txt->importquestions);
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// print tabs
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$currenttab = 'import';
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include('tabs.php');
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}
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// file upload form sumitted
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if (!empty($format) and confirm_sesskey() ) {
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// file checks out ok
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$fileisgood = false;
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// work out if this is an uploaded file
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// or one from the filesarea.
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if (!empty($params->choosefile)) {
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$importfile = "{$CFG->dataroot}/{$course->id}/{$params->choosefile}";
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if (file_exists($importfile)) {
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$fileisgood = true;
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}
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else {
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notify($txt->uploadproblem);
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}
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}
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else {
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// must be upload file
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if (empty($_FILES['newfile'])) {
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notify( $txt->uploadproblem );
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}
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else if ((!is_uploaded_file($_FILES['newfile']['tmp_name']) or $_FILES['newfile']['size'] == 0)) {
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notify( $txt->uploadproblem );
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}
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else {
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$importfile = $_FILES['newfile']['tmp_name'];
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$fileisgood = true;
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}
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}
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// process if we are happy file is ok
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if ($fileisgood) {
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if (! is_readable("format/$format/format.php")) {
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error( get_string('formatnotfound','quiz', $format) );
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}
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require("format.php"); // Parent class
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require("format/$format/format.php");
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$classname = "qformat_$format";
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$qformat = new $classname();
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if (! $qformat->importpreprocess($category,$course)) { // Do anything before that we need to
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error( $txt->importerror ,
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"$CFG->wwwroot/question/import.php?courseid={$course->id}&category=$category->id");
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}
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if (! $qformat->importprocess($importfile, $params->matchgrades) ) { // Process the uploaded file
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error( $txt->importerror ,
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"$CFG->wwwroot/question/import.php?courseid={$course->id}&category=$category->id");
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}
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if (! $qformat->importpostprocess()) { // In case anything needs to be done after
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error( $txt->importerror ,
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"$CFG->wwwroot/question/import.php?courseid={$course->id}&category=$category->id");
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}
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echo "<hr />";
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print_continue("edit.php?courseid=$course->id");
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print_footer($course);
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exit;
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}
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}
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/// Print upload form
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// get list of available import formats
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$fileformatnames = get_import_export_formats( 'import' );
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print_heading_with_help($txt->importquestions, "import", "quiz");
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/// Get all the existing categories now
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if (isadmin()) { // the admin can import into all categories
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if (!$categories = get_records_select("question_categories", "course = '{$course->id}' OR publish = '1'", "parent, sortorder, name ASC")) {
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error("Could not find any question categories!"); // Something is really wrong
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}
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} else { // select only the categories to which the teacher has write access
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$sql = "SELECT c.*
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FROM {$CFG->prefix}question_categories AS c,
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{$CFG->prefix}user_teachers AS t
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WHERE t.userid = '$USER->id'
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AND t.course = c.course
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AND (c.course = '$course->id'
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OR (c.publish = '1' AND t.editall = '1'))
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ORDER BY c.parent ASC, c.sortorder ASC, c.name ASC";
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if (!$categories = get_records_sql($sql)) {
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error("Could not find any question categories!");
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}
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}
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$categories = add_indented_names($categories);
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foreach ($categories as $key => $cat) {
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if ($catcourse = get_record("course", "id", $cat->course)) {
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if ($cat->publish && $cat->course != $course->id) {
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$cat->indentedname .= " ($catcourse->shortname)";
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}
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$catmenu[$cat->id] = $cat->indentedname;
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}
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}
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//==========
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// DISPLAY
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//==========
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?>
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<form name="form" enctype="multipart/form-data" method="post" action="import.php">
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<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />
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<?php print_simple_box_start("center"); ?>
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<table cellpadding="5">
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<tr>
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<td align="right"><?php echo $txt->category; ?>:</td>
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<td><?php choose_from_menu($catmenu, "category", $category->id, ""); ?></td>
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</tr>
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<tr>
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<td align="right"><?php echo $txt->fileformat; ?>:</td>
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<td><?php choose_from_menu($fileformatnames, "format", "gift", "");
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helpbutton("import", $txt->importquestions, "quiz"); ?></td>
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</tr>
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<tr>
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<td align="right"><?php echo $txt->matchgrades; ?></td>
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<td><?php choose_from_menu($matchgrades,'matchgrades',$txt->matchgradeserror,'' );
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helpbutton('matchgrades', $txt->matchgrades, 'quiz'); ?></td>
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</td>
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</table>
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<?php
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print_simple_box_end();
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print_simple_box_start('center'); ?>
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<?php echo $txt->importfileupload; ?>
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<table cellpadding="5">
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<tr>
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<td align="right"><?php echo $txt->upload; ?>:</td>
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<td><?php upload_print_form_fragment(1,array('newfile'),null,false,null,$course->maxbytes,0,false); ?></td>
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</tr>
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<tr>
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<td> </td>
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<td><input type="submit" name="save" value="<?php echo $txt->uploadthisfile; ?>" /></td>
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</tr>
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</table>
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<?php
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print_simple_box_end();
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print_simple_box_start('center'); ?>
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<?php echo $txt->importfilearea; ?>
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<table cellpadding="5">
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<tr>
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<td align="right"><?php echo $txt->file; ?>:</td>
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<td><input type="text" name="choosefile" size="50" /></td>
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</tr>
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<tr>
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<td> </td>
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<td><?php button_to_popup_window ("/files/index.php?id={$course->id}&choose=form.choosefile",
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"coursefiles", $txt->choosefile, 500, 750, $txt->choosefile); ?>
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<input type="submit" name="save" value="<?php echo $txt->importfromthisfile; ?>" /></td>
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</tr>
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</table>
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<?php
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print_simple_box_end(); ?>
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</form>
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<?php
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print_footer($course);
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?>
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