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     $txt = new object;
  21     $txt->category = get_string('category', 'quiz');
  22     $txt->download = get_string('download', 'quiz');
  23     $txt->downloadextra = get_string('downloadextra', 'quiz');
  24     $txt->exporterror = get_string('exporterror', 'quiz');
  25     $txt->exportname = get_string('exportname', 'quiz');
  26     $txt->exportquestions = get_string('exportquestions', 'quiz');
  27     $txt->fileformat = get_string('fileformat', 'quiz');
  28     $txt->exportcategory = get_string('exportcategory', 'quiz');
  29     $txt->modulename = get_string('modulename', 'quiz');
  30     $txt->modulenameplural = get_string('modulenameplural', 'quiz');
  31     $txt->tofile = get_string('tofile', 'quiz');
  32
  33
  34
  35     // make sure we are using the user's most recent category choice
  36     if (empty($categoryid)) {
  37         $categoryid = $pagevars['cat'];
  38     }
  39
  40     // ensure the files area exists for this course
  41     make_upload_directory("$COURSE->id");
  42     list($catid, $catcontext) = explode(',', $pagevars['cat']);
  43     if (!$category = get_record("question_categories", "id", $catid, 'contextid', $catcontext)) {
  44         print_error('nocategory','quiz');
  45     }
  46
  47     /// Header
  48     if ($cm!==null) {
  49         $strupdatemodule = has_capability('moodle/course:manageactivities', $contexts->lowest())
  50             ? update_module_button($cm->id, $COURSE->id, get_string('modulename', $cm->modname))
  51             : "";
  52         $navlinks = array();
  53         $navlinks[] = array('name' => get_string('modulenameplural', $cm->modname), 'link' => "$CFG->wwwroot/mod/{$cm->modname}/index.php?id=$COURSE->id", 'type' => 'activity');
  54         $navlinks[] = array('name' => format_string($module->name), 'link' => "$CFG->wwwroot/mod/{$cm->modname}/view.php?id={$cm->id}", 'type' => 'title');
  55         $navlinks[] = array('name' => $txt->exportquestions, 'link' => '', 'type' => 'title');
  56         $navigation = build_navigation($navlinks);
  57         print_header_simple($txt->exportquestions, '', $navigation, "", "", true, $strupdatemodule);
  58
  59         $currenttab = 'edit';
  60         $mode = 'export';
  61         ${$cm->modname} = $module;
  62         include($CFG->dirroot."/mod/$cm->modname/tabs.php");
  63     } else {
  64         // Print basic page layout.
  65         $navlinks = array();
  66         $navlinks[] = array('name' => $txt->exportquestions, 'link' => '', 'type' => 'title');
  67         $navigation = build_navigation($navlinks);
  68
  69         print_header_simple($txt->exportquestions, '', $navigation);
  70         // print tabs
  71         $currenttab = 'export';
  72         include('tabs.php');
  73     }
  74
  75     $exportfilename = default_export_filename($COURSE, $category);
  76     $export_form = new question_export_form($thispageurl, array('contexts'=>$contexts->having_one_edit_tab_cap('export'), 'defaultcategory'=>$pagevars['cat'],
  77                                     'defaultfilename'=>$exportfilename));
  78
  79
  80     if ($from_form = $export_form->get_data()) {   /// Filename
  81
  82
  83         if (! is_readable("format/$from_form->format/format.php")) {
  84             error("Format not known ($from_form->format)");
  85         }
  86
  87         // load parent class for import/export
  88         require_once("format.php");
  89
  90         // and then the class for the selected format
  91         require_once("format/$from_form->format/format.php");
  92
  93         $classname = "qformat_$from_form->format";
  94         $qformat = new $classname();
  95         $qformat->setContexts($contexts->having_one_edit_tab_cap('export'));
  96         $qformat->setCategory($category);
  97         $qformat->setCourse($COURSE);
  98
  99         if (empty($from_form->exportfilename)) {
 100             $from_form->exportfilename = default_export_filename($COURSE, $category);
 101         }
 102         $qformat->setFilename($from_form->exportfilename);
 103         $qformat->setCattofile(!empty($from_form->cattofile));
 104         $qformat->setContexttofile(!empty($from_form->contexttofile));
 105
 106         if (! $qformat->exportpreprocess()) {   // Do anything before that we need to
 107             error($txt->exporterror, $thispageurl->out());
 108         }
 109
 110         if (! $qformat->exportprocess()) {         // Process the export data
 111             error($txt->exporterror, $thispageurl->out());
 112         }
 113
 114         if (! $qformat->exportpostprocess()) {                    // In case anything needs to be done after
 115             error($txt->exporterror, $thispageurl->out());
 116         }
 117         echo "<hr />";
 118
 119         // link to download the finished file
 120         $file_ext = $qformat->export_file_extension();
 121         if ($CFG->slasharguments) {
 122           $efile = "{$CFG->wwwroot}/file.php/".$qformat->question_get_export_dir()."/$from_form->exportfilename".$file_ext."?forcedownload=1";
 123         }
 124         else {
 125           $efile = "{$CFG->wwwroot}/file.php?file=/".$qformat->question_get_export_dir()."/$from_form->exportfilename".$file_ext."&forcedownload=1";
 126         }
 127         echo "<p><div class=\"boxaligncenter\"><a href=\"$efile\">$txt->download</a></div></p>";
 128         echo "<p><div class=\"boxaligncenter\"><font size=\"-1\">$txt->downloadextra</font></div></p>";
 129
 130         print_continue("edit.php?".$thispageurl->get_query_string());
 131         print_footer($COURSE);
 132         exit;
 133     }
 134
 135     /// Display export form
 136
 137
 138     print_heading_with_help($txt->exportquestions, 'export', 'quiz');
 139
 140     $export_form->display();
 141
 142     print_footer($COURSE);
 143 ?>
 144