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export.php
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export.php
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<?php // $Id$
// Import quiz questions into the given category
require_once("../../config.php");
require_once("locallib.php");
$category = required_param('category',PARAM_INT);
$courseid = required_param('courseid',PARAM_INT);
$format = optional_param('format','', PARAM_CLEANFILE );
$exportfilename = optional_param('exportfilename','',PARAM_CLEANFILE );
if (! $category = get_record("quiz_categories", "id", $category)) {
error("This wasn't a valid category!");
}
if (! $categorycourse = get_record("course", "id", $category->course)) {
error("This category doesn't belong to a valid course!");
}
if (! $course = get_record("course", "id", $courseid)) {
error("Course does not exist!");
}
require_login($course->id, false);
if (!isteacher($course->id)) {
error("Only the teacher can export quiz questions!");
}
// ensure the files area exists for this course
make_upload_directory( "$course->id" );
$strexportquestions = get_string("exportquestions", "quiz");
$strquestions = get_string("questions", "quiz");
$strexportfilename = get_string('exportfilename','quiz');
$strquizzes = get_string('modulenameplural', 'quiz');
$streditingquiz = get_string(isset($SESSION->modform->instance) ? "editingquiz" : "editquestions", "quiz");
$dirname = get_string("exportfilename","quiz");
print_header_simple("$strexportquestions", "$strexportquestions",
"<a href=\"$CFG->wwwroot/mod/$dirname/index.php?id=$course->id\">$strquizzes</a>".
" -> <a href=\"edit.php\">$streditingquiz</a> -> $strexportquestions");
if (!empty($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");
$classname = "quiz_format_$format";
$quiz_format = new $classname();
if (! $quiz_format->exportpreprocess($category, $course)) { // Do anything before that we need to
error("Error occurred during pre-processing!",
"$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
}
if (! $quiz_format->exportprocess($exportfilename)) { // Process the export data
error("Error occurred during processing!",
"$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
}
if (! $quiz_format->exportpostprocess()) { // In case anything needs to be done after
error("Error occurred during post-processing!",
"$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
}
echo "<hr />";
// link to download the finished file
$file_ext = $quiz_format->export_file_extension();
$download_str = get_string( 'download', 'quiz' );
$downloadextra_str = get_string( 'downloadextra','quiz' );
if ($CFG->slasharguments) {
$efile = "{$CFG->wwwroot}/file.php/$course->id/$strexportfilename/$exportfilename".$file_ext;
}
else {
$efile = "{$CFG->wwwroot}/file.php?file=/$course->id/$strexportfilename/$exportfilename".$file_ext;
}
echo "</p><center><a href=\"$efile\">$download_str</a></center></p>";
echo "</p><center><font size=\"-1\">$downloadextra_str</font></center></p>";
print_continue("edit.php");
print_footer($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>";
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=\"category\" value=\"$category->id\" />";
echo " <input type=\"hidden\" name=\"courseid\" value=\"$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);
?>