New file for exporting quizzes

diff --git a/mod/quiz/export.php b/mod/quiz/export.php
new file mode 100644 (file)
index 0000000..8b6ad98
--- /dev/null
+++ b/mod/quiz/export.php
@@ -0,0 +1,126 @@
+<?PHP // $Id$
+      // Import quiz questions into the given category
+
+    require_once("../../config.php");
+    require_once("lib.php");
+
+    require_variable($category);
+    optional_variable($format);
+
+    if (! $category = get_record("quiz_categories", "id", $category)) {
+        error("This wasn't a valid category!");
+    }
+
+    if (! $course = get_record("course", "id", $category->course)) {
+        error("This category doesn't belong to a valid course!");
+    }
+
+    require_login($course->id);
+
+    if (!isteacher($course->id)) {
+        error("Only the teacher can import quiz questions!");
+    }
+
+    $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");
+
+    print_header("$course->shortname: $strexportquestions", "$course->shortname: $strexportquestions",
+                 "<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ".
+                 "-> <a href=\"$CFG->wwwroot/mod/quiz/index.php?id=$course->id\">$strquizzes</a>".
+                  " -> <a href=\"edit.php\">$streditingquiz</a> -> $strexportquestions");
+
+    if ($form = data_submitted()) {   /// Filename
+
+
+    if (! is_readable("format/$form->format/format.php")) {
+       error("Format not known ($form->format)");
+    }
+
+    require("format.php");  // Parent class
+    require("format/$form->format/format.php");
+
+    $format = new quiz_file_format();
+
+    if (! $format->exportpreprocess($category)) {             // Do anything before that we need to
+       error("Error occurred during pre-processing!", 
+             "$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
+    }
+
+    if (! $format->exportprocess($exportfilename)) {     // Process the export data
+       error("Error occurred during processing!", 
+             "$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
+    }
+
+    if (! $format->exportpostprocess()) {                     // In case anything needs to be done after
+       error("Error occurred during post-processing!", 
+             "$CFG->wwwroot/mod/quiz/export.php?category=$category->id");
+    }
+
+    echo "<hr>";
+    print_continue("edit.php");
+    print_footer($course);
+    exit;
+    } 
+
+    /// Print upload form
+
+    if (!$categories = quiz_get_category_menu($course->id, true)) {
+        error("No categories!");
+    }
+
+    $fileformats = get_list_of_plugins("mod/quiz/format");
+    $fileformatname = array();
+    foreach ($fileformats as $key => $fileformat) {
+        $formatname = get_string($fileformat, 'quiz');
+        if ($formatname == "[[$fileformat]]") {
+            $formatname = $fileformat;  // Just use the raw folder name
+        }
+        $fileformatnames[$fileformat] = $formatname;
+    }
+    natcasesort($fileformatnames);
+
+    // get filename
+    if (!isset($exportfilename)) {
+        $exportfilename = default_export_filename($course, $category);
+    }    
+
+    print_heading_with_help($strexportquestions, "export", "quiz");
+
+    print_simple_box_start("center", "", "$THEME->cellheading");
+    echo "<form enctype=\"multipart/form-data\" method=\"post\" action=\"export.php\">";
+    echo "<table cellpadding=5>";
+
+    echo "<tr><td align=right>";
+    print_string("category", "quiz");
+    echo ":</td><td>";
+    choose_from_menu($categories, "category", "$category->id", "");
+    echo "</tr>";
+
+    echo "<tr><td align=right>";
+    print_string("fileformat", "quiz");
+    echo ":</td><td>";
+    choose_from_menu($fileformatnames, "format", "gift", "");
+    helpbutton("export", $strexportquestions, "quiz");
+    echo "</tr>";
+
+    echo "<tr><td align=\"right\">";
+    print_string("exportname", "quiz" );
+    echo ":</td><td>";
+    echo "<input type=\"text\" name=\"exportfilename\" value=\"$exportfilename\">";
+    echo "</td></tr>";
+
+    echo "<tr><td align=\"center\">";
+    echo " <input type=hidden name=category value=\"$category->id\">";
+    echo " <input type=submit name=save value=\"".get_string("exportquestions","quiz")."\">";
+    echo "</td></tr>";
+
+    echo "</table>";
+    echo "</form>";
+    print_simple_box_end();
+
+    print_footer($course);
+
+?>