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<?php // $Id: export.php,v 1.17.2.4 2006/10/06 16:45:16 tjhunt Exp $
/**
* Export quiz questions into the given category
*
* @version $Id: export.php,v 1.17.2.4 2006/10/06 16:45:16 tjhunt Exp $
* @author Martin Dougiamas, Howard Miller, and many others.
* {@link http://moodle.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package quiz
*/
require_once("../config.php");
require_once( "editlib.php" );
$categoryid = optional_param('category',0, PARAM_INT);
$courseid = required_param('courseid',PARAM_INT);
$format = optional_param('format','', PARAM_FILE );
$exportfilename = optional_param('exportfilename','',PARAM_FILE );
if (! $course = get_record("course", "id", $courseid)) {
error("Course does not exist!");
}
$showcatmenu = false;
if ($categoryid) { // update category in session variable
$SESSION->questioncat = $categoryid;
} else { // try to get category from modform
$showcatmenu = true; // will ensure that user can choose category
if (isset($SESSION->questioncat)) {
$categoryid = $SESSION->questioncat;
}
}
if (! $category = get_record("question_categories", "id", $categoryid)) {
$category = get_default_question_category($courseid);
}
if (! $categorycourse = get_record("course", "id", $category->course)) {
error( get_string('nocategory','quiz') );
}
require_login($course->id, false);
if (!isteacher($course->id)) {
error( get_string('onlyteachersexport','quiz') );
}
// ensure the files area exists for this course
make_upload_directory( "$course->id" );
$strexportquestions = get_string("exportquestions", "quiz");
$strquestions = get_string("questions", "quiz");
$strquizzes = get_string('modulenameplural', 'quiz');
$streditingquiz = get_string(isset($SESSION->modform->instance) ? "editingquiz" : "editquestions", "quiz");
$dirname = get_string("exportfilename","quiz");
/// Header:
if (isset($SESSION->modform->instance) and $quiz = get_record('quiz', 'id', $SESSION->modform->instance)) {
$strupdatemodule = isteacheredit($course->id)
? update_module_button($SESSION->modform->cmid, $course->id, get_string('modulename', 'quiz'))
: "";
print_header_simple($strexportquestions, '',
"<a href=\"$CFG->wwwroot/mod/quiz/index.php?id=$course->id\">".get_string('modulenameplural', 'quiz').'</a>'.
" -> <a href=\"$CFG->wwwroot/mod/quiz/view.php?q=$quiz->id\">".format_string($quiz->name).'</a>'.
' -> '.$strexportquestions,
"", "", true, $strupdatemodule);
$currenttab = 'edit';
$mode = 'export';
include($CFG->dirroot.'/mod/quiz/tabs.php');
} else {
print_header_simple($strexportquestions, '', $strexportquestions);
// print tabs
$currenttab = 'export';
include('tabs.php');
}
if (!empty($format)) { /// Filename
if (!confirm_sesskey()) {
echo( 'Sesskey error' );
}
if (! is_readable("format/$format/format.php")) {
error('Format not known ('.clean_text($form->format).')');
}
require("format.php"); // Parent class
require("format/$format/format.php");
$classname = "qformat_$format";
$qformat = new $classname();
if (! $qformat->exportpreprocess($category, $course)) { // Do anything before that we need to
error( get_string('exporterror','quiz'),
"$CFG->wwwroot/question/export.php?courseid={$course->id}&category=$category->id");
}
if (! $qformat->exportprocess($exportfilename)) { // Process the export data
error( get_string('exporterror','quiz'),
"$CFG->wwwroot/question/export.php?courseid={$course->id}&category=$category->id");
}
if (! $qformat->exportpostprocess()) { // In case anything needs to be done after
error( get_string('exporterror','quiz'),
"$CFG->wwwroot/question/export.php?courseid={$course->id}&category=$category->id");
}
echo "<hr />";
// link to download the finished file
$file_ext = $qformat->export_file_extension();
$download_str = get_string( 'download', 'quiz' );
$downloadextra_str = get_string( 'downloadextra','quiz' );
if ($CFG->slasharguments) {
$efile = "{$CFG->wwwroot}/file.php/".$qformat->question_get_export_dir()."/$exportfilename".$file_ext."?forcedownload=1";
}
else {
$efile = "{$CFG->wwwroot}/file.php?file=/".$qformat->question_get_export_dir()."/$exportfilename".$file_ext."&forcedownload=1";
}
echo "</p><center><a href=\"$efile\">$download_str</a></center></p>";
echo "</p><center><font size=\"-1\">$downloadextra_str</font></center></p>";
print_continue("edit.php?courseid=$course->id");
print_footer($course);
exit;
}
/// Print upload form
// get valid formats to generate dropdown list
$fileformatnames = get_import_export_formats( "export" );
// get filename
if (empty($exportfilename)) {
$exportfilename = default_export_filename($course, $category);
}
print_heading_with_help($strexportquestions, "export", "quiz");
print_simple_box_start("center");
echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"export.php\">\n";
echo "<input type=\"hidden\" name=\"sesskey\" value=\"" . sesskey() . "\" />\n";
echo "<table cellpadding=\"5\">\n";
echo "<tr><td align=\"right\">\n";
print_string("category", "quiz");
echo ":</td><td>";
if (!$showcatmenu) { // category already specified
echo question_category_coursename($category);
echo " <input type=\"hidden\" name=\"category\" value=\"$category->id\" />";
} else { // no category specified, let user choose
question_category_select_menu($course->id, true, false, $category->id);
}
//echo str_replace(' ', '', $category->name) . " ($categorycourse->shortname)";
echo "</td></tr>\n";
echo "<tr><td align=\"right\">";
print_string("fileformat", "quiz");
echo ":</td><td>";
choose_from_menu($fileformatnames, "format", "gift", "");
helpbutton("export", $strexportquestions, "quiz");
echo "</td></tr>\n";
echo "<tr><td align=\"right\">";
print_string("exportname", "quiz" );
echo ":</td><td>";
echo "<input type=\"text\" size=\"40\" name=\"exportfilename\" value=\"$exportfilename\" />";
echo "</td></tr>\n";
echo "<tr><td align=\"center\" colspan=\"2\">";
echo " <input type=\"hidden\" name=\"courseid\" value=\"$course->id\" />";
echo " <input type=\"submit\" name=\"save\" value=\"".get_string("exportquestions","quiz")."\" />";
echo "</td></tr>\n";
echo "</table>\n";
echo "</form>\n";
print_simple_box_end();
print_footer($course);
?>
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