question/export.php

   1 <?php // $Id$
   2 /**
   3  * Export quiz questions into the given category
   4  *
   5  * @author Martin Dougiamas, Howard Miller, and many others.
   6  *         {@link http://moodle.org}
   7  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   8  * @package questionbank
   9  * @subpackage importexport
  10  */
  11
  12     require_once("../config.php");
  13     require_once("editlib.php");
  14     require_once("export_form.php");
  15
  16     list($thispageurl, $contexts, $cmid, $cm, $module, $pagevars) = question_edit_setup('export');
  17
  18
  19     // get display strings
  20     $strexportquestions = get_string('exportquestions', 'quiz');
  21
  22     // make sure we are using the user's most recent category choice
  23     if (empty($categoryid)) {
  24         $categoryid = $pagevars['cat'];
  25     }
  26
  27     // ensure the files area exists for this course
  28     make_upload_directory("$COURSE->id");
  29     list($catid, $catcontext) = explode(',', $pagevars['cat']);
  30     if (!$category = get_record("question_categories", "id", $catid, 'contextid', $catcontext)) {
  31         print_error('nocategory','quiz');
  32     }
  33
  34     /// Header
  35     if ($cm!==null) {
  36         $strupdatemodule = has_capability('moodle/course:manageactivities', $contexts->lowest())
  37             ? update_module_button($cm->id, $COURSE->id, get_string('modulename', $cm->modname))
  38             : "";
  39         $navlinks = array();
  40         $navlinks[] = array('name' => get_string('modulenameplural', $cm->modname), 'link' => "$CFG->wwwroot/mod/{$cm->modname}/index.php?id=$COURSE->id", 'type' => 'activity');
  41         $navlinks[] = array('name' => format_string($module->name), 'link' => "$CFG->wwwroot/mod/{$cm->modname}/view.php?id={$cm->id}", 'type' => 'title');
  42         $navlinks[] = array('name' => $strexportquestions, 'link' => '', 'type' => 'title');
  43         $navigation = build_navigation($navlinks);
  44         print_header_simple($strexportquestions, '', $navigation, "", "", true, $strupdatemodule);
  45
  46         $currenttab = 'edit';
  47         $mode = 'export';
  48         ${$cm->modname} = $module;
  49         include($CFG->dirroot."/mod/$cm->modname/tabs.php");
  50     } else {
  51         // Print basic page layout.
  52         $navlinks = array();
  53         $navlinks[] = array('name' => $strexportquestions, 'link' => '', 'type' => 'title');
  54         $navigation = build_navigation($navlinks);
  55
  56         print_header_simple($strexportquestions, '', $navigation);
  57         // print tabs
  58         $currenttab = 'export';
  59         include('tabs.php');
  60     }
  61
  62     $exportfilename = default_export_filename($COURSE, $category);
  63     $export_form = new question_export_form($thispageurl, array('contexts'=>$contexts->having_one_edit_tab_cap('export'), 'defaultcategory'=>$pagevars['cat'],
  64                                     'defaultfilename'=>$exportfilename));
  65
  66
  67     if ($from_form = $export_form->get_data()) {   /// Filename
  68
  69
  70         if (! is_readable("format/$from_form->format/format.php")) {
  71             error("Format not known ($from_form->format)");
  72         }
  73
  74         // load parent class for import/export
  75         require_once("format.php");
  76
  77         // and then the class for the selected format
  78         require_once("format/$from_form->format/format.php");
  79
  80         $classname = "qformat_$from_form->format";
  81         $qformat = new $classname();
  82         $qformat->setContexts($contexts->having_one_edit_tab_cap('export'));
  83         $qformat->setCategory($category);
  84         $qformat->setCourse($COURSE);
  85
  86         if (empty($from_form->exportfilename)) {
  87             $from_form->exportfilename = default_export_filename($COURSE, $category);
  88         }
  89         $qformat->setFilename($from_form->exportfilename);
  90         $canaccessbackupdata = has_capability('moodle/site:backup', $contexts->lowest());
  91         $qformat->set_can_access_backupdata($canaccessbackupdata);
  92         $qformat->setCattofile(!empty($from_form->cattofile));
  93         $qformat->setContexttofile(!empty($from_form->contexttofile));
  94
  95         if (! $qformat->exportpreprocess()) {   // Do anything before that we need to
  96             error(get_string('exporterror', 'quiz'), $thispageurl->out());
  97         }
  98
  99         if (! $qformat->exportprocess()) {         // Process the export data
 100             error(get_string('exporterror', 'quiz'), $thispageurl->out());
 101         }
 102
 103         if (! $qformat->exportpostprocess()) {                    // In case anything needs to be done after
 104             error(get_string('exporterror', 'quiz'), $thispageurl->out());
 105         }
 106         echo "<hr />";
 107
 108         // link to download the finished file
 109         $file_ext = $qformat->export_file_extension();
 110         $filename = $from_form->exportfilename . $file_ext;
 111         if ($canaccessbackupdata) {
 112             $efile = get_file_url($qformat->question_get_export_dir() . '/' . $filename,
 113                     array('forcedownload' => 1));
 114             echo '<p><div class="boxaligncenter"><a href="' . $efile . '">' .
 115                     get_string('download', 'quiz') . '</a></div></p>';
 116             echo '<p><div class="boxaligncenter"><font size="-1">' .
 117                     get_string('downloadextra', 'quiz') . '</font></div></p>';
 118         } else {
 119             $efile = get_file_url($filename, null, 'questionfile');
 120             echo '<p><div class="boxaligncenter">' .
 121                     get_string('yourfileshoulddownload', 'question', $efile) . '</a></div></p>';
 122             echo '
 123 <script type="text/javascript">
 124 //<![CDATA[
 125
 126   function redirect() {
 127       document.location.replace("' .  addslashes_js($efile) . '");
 128   }
 129   setTimeout("redirect()", 1000);
 130 //]]>
 131 </script>';
 132         }
 133
 134         print_continue('edit.php?' . $thispageurl->get_query_string());
 135         print_footer($COURSE);
 136         exit;
 137     }
 138
 139     /// Display export form
 140     print_heading_with_help($strexportquestions, 'export', 'quiz');
 141
 142     $export_form->display();
 143
 144     print_footer($COURSE);
 145 ?>