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<?php // $Id$
/**
* Export quiz questions into the given category
*
* @version $Id$
* @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" );
// get parameters
$categoryid = optional_param('category',0, PARAM_INT);
$cattofile = optional_param('cattofile',0, PARAM_BOOL);
$courseid = required_param('courseid',PARAM_INT);
$exportfilename = optional_param('exportfilename','',PARAM_FILE );
$format = optional_param('format','', PARAM_FILE );
// get display strings
$txt = new object;
$txt->category = get_string('category','quiz');
$txt->download = get_string('download','quiz');
$txt->downloadextra = get_string('downloadextra','quiz');
$txt->exporterror = get_string('exporterror','quiz');
$txt->exportname = get_string('exportname','quiz');
$txt->exportquestions = get_string('exportquestions', 'quiz');
$txt->fileformat = get_string('fileformat','quiz');
$txt->exportcategory = get_string('exportcategory','quiz');
$txt->modulename = get_string('modulename','quiz');
$txt->modulenameplural = get_string('modulenameplural','quiz');
$txt->nocategory = get_string('nocategory','quiz');
$txt->tofile = get_string('tofile','quiz');
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( $txt->nocategory );
}
require_login($course->id, false);
// check role capability
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/question:export', $context);
// ensure the files area exists for this course
make_upload_directory( "$course->id" );
// check category is valid
if (!empty($categoryid)) {
$validcats = question_category_options( $course->id, true, false );
if (!array_key_exists( $categoryid, $validcats)) {
print_error( "Category id ($categoryid) is not permitted." );
}
}
/// Header
if (isset($SESSION->modform->instance) and $quiz = get_record('quiz', 'id', $SESSION->modform->instance)) {
$strupdatemodule = has_capability('moodle/course:manageactivities', $context)
? update_module_button($SESSION->modform->cmid, $course->id, $txt->modulename )
: "";
print_header_simple($txt->exportquestions, '',
"<a href=\"$CFG->wwwroot/mod/quiz/index.php?id=$course->id\">$txt->modulenameplural</a>".
" -> <a href=\"$CFG->wwwroot/mod/quiz/view.php?q=$quiz->id\">".format_string($quiz->name).'</a>'.
' -> '.$txt->exportquestions,
"", "", true, $strupdatemodule);
$currenttab = 'edit';
$mode = 'export';
include($CFG->dirroot.'/mod/quiz/tabs.php');
} else {
print_header_simple($txt->exportquestions, '', $txt->exportquestions);
// print tabs
$currenttab = 'export';
include('tabs.php');
}
if (!empty($format)) { /// Filename
if (!confirm_sesskey()) {
print_error( 'sesskey' );
}
if (! is_readable("format/$format/format.php")) {
error( "Format not known ($format)" ); }
// load parent class for import/export
require("format.php");
// and then the class for the selected format
require("format/$format/format.php");
$classname = "qformat_$format";
$qformat = new $classname();
$qformat->setCategory( $category );
$qformat->setCourse( $course );
$qformat->setFilename( $exportfilename );
$qformat->setCattofile( $cattofile );
if (! $qformat->exportpreprocess()) { // Do anything before that we need to
error( $txt->exporterror, "$CFG->wwwroot/question/export.php?courseid={$course->id}&amp;category=$category->id");
}
if (! $qformat->exportprocess()) { // Process the export data
error( $txt->exporterror, "$CFG->wwwroot/question/export.php?courseid={$course->id}&amp;category=$category->id");
}
if (! $qformat->exportpostprocess()) { // In case anything needs to be done after
error( $txt->exporterror, "$CFG->wwwroot/question/export.php?courseid={$course->id}&amp;category=$category->id");
}
echo "<hr />";
// link to download the finished file
$file_ext = $qformat->export_file_extension();
if ($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\">$txt->download</a></center></p>";
echo "</p><center><font size=\"-1\">$txt->downloadextra</font></center></p>";
print_continue("edit.php?courseid=$course->id");
print_footer($course);
exit;
}
/// Display 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, $category);
}
// DISPLAY MAIN PAGE
print_heading_with_help($txt->exportquestions, 'export', 'quiz');
print_simple_box_start('center');
?>
<form enctype="multipart/form-data" method="post" action="export.php">
<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />
<input type="hidden" name="courseid" value="<?php echo $course->id; ?>" />
<table cellpadding="5">
<tr>
<td align="right"><?php echo $txt->category; ?>:</td>
<td>
<?php
if (!$showcatmenu) { // category already specified
echo '<strong>'.question_category_coursename($category).'</strong>&nbsp;&nbsp;'; ?>
<input type="hidden" name="category" value="<?php echo $category->id ?>" />
<?php
} else { // no category specified, let user choose
question_category_select_menu($course->id, true, false, $category->id);
}
echo $txt->tofile; ?>
<input name="cattofile" type="checkbox" />
<?php helpbutton('exportcategory', $txt->exportcategory, 'quiz'); ?>
</td>
</tr>
<tr>
<td align="right"><?php echo $txt->fileformat; ?>:</td>
<td>
<?php choose_from_menu($fileformatnames, 'format', 'gift', '');
helpbutton('export', $txt->exportquestions, 'quiz'); ?>
</td>
</tr>
<tr>
<td align="right"><?php echo $txt->exportname; ?>:</td>
<td>
<input type="text" size="40" name="exportfilename" value="<?php echo $exportfilename; ?>" />
</td>
</tr>
<tr>
<td align="center" colspan="2">
<input type="submit" name="save" value="<?php echo $txt->exportquestions; ?>" />
</td>
</tr>
</table>
</form>
<?php
print_simple_box_end();
print_footer($course);
?>
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