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5fd8f999d3
export_process and import_process flags now apply to all questions and what looked like a development print_r has been commented out.
400 lines
16 KiB
PHP
400 lines
16 KiB
PHP
<?php // $Id$
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/**
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* Functions used by showbank.php to show question editing interface
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*
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* TODO: currently the function question_list still provides controls specific
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* to the quiz module. This needs to be generalised.
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*
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* @author Martin Dougiamas and many others. This has recently been extensively
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* rewritten by members of the Serving Mathematics project
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* {@link http://maths.york.ac.uk/serving_maths}
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package questionbank
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*/
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require_once($CFG->libdir.'/questionlib.php');
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define('DEFAULT_QUESTIONS_PER_PAGE', 20);
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/**
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* Function to read all questions for category into big array
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*
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* @param int $category category number
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* @param bool $noparent if true only questions with NO parent will be selected
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* @param bool $recurse include subdirectories
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* @param bool $export set true if this is called by questionbank export
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* @author added by Howard Miller June 2004
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*/
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function get_questions_category( $category, $noparent=false, $recurse=true, $export=true ) {
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global $QTYPES;
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// questions will be added to an array
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$qresults = array();
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// build sql bit for $noparent
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$npsql = '';
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if ($noparent) {
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$npsql = " and parent='0' ";
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}
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// get (list) of categories
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if ($recurse) {
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$categorylist = question_categorylist( $category->id );
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}
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else {
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$categorylist = $category->id;
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}
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// get the list of questions for the category
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if ($questions = get_records_select("question","category IN ($categorylist) $npsql", "qtype, name ASC")) {
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// iterate through questions, getting stuff we need
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foreach($questions as $question) {
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$questiontype = $QTYPES[$question->qtype];
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$question->export_process = $export;
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$questiontype->get_question_options( $question );
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$qresults[] = $question;
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}
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}
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return $qresults;
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}
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/**
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* Gets the default category in a course
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*
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* It returns the first category with no parent category. If no categories
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* exist yet then one is created.
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* @return object The default category
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* @param integer $courseid The id of the course whose default category is wanted
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*/
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function get_default_question_category($courseid) {
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// If it already exists, just return it.
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if ($category = get_records_select("question_categories", "course = '$courseid' AND parent = '0'", 'id', '*', '', 1)) {
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return reset($category);
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}
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// Otherwise, we need to make one
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$category = new stdClass;
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$category->name = get_string("default", "quiz");
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$category->info = get_string("defaultinfo", "quiz");
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$category->course = $courseid;
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$category->parent = 0;
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$category->sortorder = 999; // By default, all categories get this number, and are sorted alphabetically.
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$category->publish = 0;
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$category->stamp = make_unique_id_code();
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if (!$category->id = insert_record("question_categories", $category)) {
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notify("Error creating a default category!");
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return false;
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}
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return $category;
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}
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/**
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* prints a form to choose categories
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*/
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function question_category_form($course, $current, $recurse=1, $showhidden=false, $showquestiontext=false) {
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global $CFG;
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/// Make sure the default category exists for this course
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get_default_question_category($course->id);
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/// Get all the existing categories now
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$catmenu = question_category_options($course->id, true);
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$strcategory = get_string("category", "quiz");
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$strshow = get_string("show", "quiz");
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$streditcats = get_string("editcategories", "quiz");
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echo "<table><tr><td style=\"white-space:nowrap;\">";
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echo "<strong>$strcategory:</strong> ";
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echo "</td><td>";
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popup_form ("edit.php?courseid=$course->id&cat=", $catmenu, "catmenu", $current, "", "", "", false, "self");
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echo "</td><td align=\"right\">";
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echo "<form method=\"get\" action=\"$CFG->wwwroot/question/category.php\">";
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echo "<div>";
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echo "<input type=\"hidden\" name=\"id\" value=\"$course->id\" />";
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echo "<input type=\"submit\" value=\"$streditcats\" />";
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echo '</div>';
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echo "</form>";
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echo '</td></tr></table>';
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echo '<form method="post" action="edit.php" id="displayoptions">';
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echo "<fieldset class='invisiblefieldset'>";
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echo "<input type=\"hidden\" name=\"courseid\" value=\"{$course->id}\" />\n";
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question_category_form_checkbox('recurse', $recurse);
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question_category_form_checkbox('showhidden', $showhidden);
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question_category_form_checkbox('showquestiontext', $showquestiontext);
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echo '<noscript><div class="centerpara"><input type="submit" value="'. get_string('go') .'" />';
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echo '</div></noscript></fieldset></form>';
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}
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/**
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* Private funciton to help the preceeding function.
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*/
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function question_category_form_checkbox($name, $checked) {
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echo '<div><input type="hidden" id="' . $name . '_off" name="' . $name . '" value="0" />';
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echo '<input type="checkbox" id="' . $name . '_on" name="' . $name . '" value="1"';
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if ($checked) {
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echo ' checked="checked"';
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}
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echo ' onchange="getElementById(\'displayoptions\').submit(); return true;" />';
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echo '<label for="' . $name . '_on">';
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print_string($name, 'quiz');
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echo "</label></div>\n";
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}
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/**
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* Prints the table of questions in a category with interactions
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*
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* @param object $course The course object
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* @param int $categoryid The id of the question category to be displayed
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* @param int $quizid The quiz id if we are in the context of a particular quiz, 0 otherwise
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* @param int $recurse This is 1 if subcategories should be included, 0 otherwise
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* @param int $page The number of the page to be displayed
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* @param int $perpage Number of questions to show per page
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* @param boolean $showhidden True if also hidden questions should be displayed
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*/
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function question_list($course, $categoryid, $quizid=0,
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$recurse=1, $page=0, $perpage=100, $showhidden=false, $sortorder='qtype, name ASC',
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$showquestiontext = false) {
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global $QTYPE_MENU, $USER, $CFG, $THEME;
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$context = get_context_instance(CONTEXT_COURSE, $course->id);
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$qtypemenu = $QTYPE_MENU;
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if ($rqp_types = get_records('question_rqp_types')) {
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foreach($rqp_types as $type) {
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$qtypemenu['rqp_'.$type->id] = $type->name;
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}
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}
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$strcategory = get_string("category", "quiz");
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$strquestion = get_string("question", "quiz");
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$straddquestions = get_string("addquestions", "quiz");
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$strimportquestions = get_string("importquestions", "quiz");
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$strexportquestions = get_string("exportquestions", "quiz");
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$strnoquestions = get_string("noquestions", "quiz");
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$strselect = get_string("select", "quiz");
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$strselectall = get_string("selectall", "quiz");
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$strselectnone = get_string("selectnone", "quiz");
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$strcreatenewquestion = get_string("createnewquestion", "quiz");
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$strquestionname = get_string("questionname", "quiz");
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$strdelete = get_string("delete");
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$stredit = get_string("edit");
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$straction = get_string("action");
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$strrestore = get_string('restore');
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$straddtoquiz = get_string("addtoquiz", "quiz");
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$strtype = get_string("type", "quiz");
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$strcreatemultiple = get_string("createmultiple", "quiz");
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$strpreview = get_string("preview","quiz");
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if (!$categoryid) {
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echo "<p style=\"text-align:center;\"><b>";
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print_string("selectcategoryabove", "quiz");
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echo "</b></p>";
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if ($quizid) {
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echo "<p>";
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print_string("addingquestions", "quiz");
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echo "</p>";
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}
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return;
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}
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if (!$category = get_record("question_categories", "id", "$categoryid")) {
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notify("Category not found!");
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return;
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}
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echo '<div class="boxaligncenter">';
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$formatoptions = new stdClass;
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$formatoptions->noclean = true;
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echo format_text($category->info, FORMAT_MOODLE, $formatoptions, $course->id);
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echo '<table><tr>';
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// check if editing of this category is allowed
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if (has_capability('moodle/question:managecategory', $context)) {
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echo "<td valign=\"top\"><b>$strcreatenewquestion:</b></td>";
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echo '<td valign="top" align="right">';
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popup_form ("$CFG->wwwroot/question/question.php?category=$category->id&qtype=", $qtypemenu, "addquestion",
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"", "choose", "", "", false, "self");
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echo '</td><td valign="top" align="right">';
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helpbutton("questiontypes", $strcreatenewquestion, "quiz");
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echo '</td></tr>';
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}
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else {
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echo '<tr><td>';
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print_string("publishedit","quiz");
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echo '</td></tr>';
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}
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echo '</table>';
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echo '</div>';
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$categorylist = ($recurse) ? question_categorylist($category->id) : $category->id;
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// hide-feature
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$showhidden = $showhidden ? '' : " AND hidden = '0'";
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if (!$totalnumber = count_records_select('question', "category IN ($categorylist) AND parent = '0' $showhidden")) {
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echo "<p style=\"text-align:center;\">";
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print_string("noquestions", "quiz");
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echo "</p>";
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return;
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}
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if (!$questions = get_records_select('question', "category IN ($categorylist) AND parent = '0' $showhidden", $sortorder, '*', $page*$perpage, $perpage)) {
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// There are no questions on the requested page.
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$page = 0;
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if (!$questions = get_records_select('question', "category IN ($categorylist) AND parent = '0' $showhidden", $sortorder, '*', 0, $perpage)) {
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// There are no questions at all
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echo "<p style=\"text-align:center;\">";
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print_string("noquestions", "quiz");
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echo "</p>";
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return;
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}
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}
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print_paging_bar($totalnumber, $page, $perpage,
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"edit.php?courseid={$course->id}&perpage=$perpage&");
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$canedit = has_capability('moodle/question:manage', $context);
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echo '<form method="post" action="edit.php?courseid='.$course->id.'">';
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echo '<fieldset class="invisiblefieldset" style="display: block;">';
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echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
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echo '<table id="categoryquestions" style="width: 100%"><tr>';
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echo "<th style=\"white-space:nowrap;\" class=\"header\" scope=\"col\">$straction</th>";
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$sortoptions = array('name, qtype ASC' => get_string("sortalpha", "quiz"),
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'qtype, name ASC' => get_string("sorttypealpha", "quiz"),
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'id ASC' => get_string("sortage", "quiz"));
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$orderselect = choose_from_menu ($sortoptions, 'sortorder', $sortorder, false, 'this.form.submit();', '0', true);
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$orderselect .= '<noscript><div><input type="submit" value="'.get_string("sortsubmit", "quiz").'" /></div></noscript>';
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echo "<th style=\"white-space:nowrap; text-align: left;\" class=\"header\" scope=\"col\">$strquestionname $orderselect</th>
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<th style=\"white-space:nowrap; text-align: right;\" class=\"header\" scope=\"col\">$strtype</th>";
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echo "</tr>\n";
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foreach ($questions as $question) {
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$nameclass = '';
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$textclass = '';
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if ($question->hidden) {
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$nameclass = 'dimmed_text';
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$textclass = 'dimmed_text';
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}
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if ($showquestiontext) {
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$nameclass .= ' header';
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}
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if ($nameclass) {
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$nameclass = 'class="' . $nameclass . '"';
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}
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if ($textclass) {
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$textclass = 'class="' . $textclass . '"';
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}
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echo "<tr>\n<td style=\"white-space:nowrap;\" $nameclass>\n";
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// add to quiz
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if ($quizid && has_capability('mod/quiz:manage', $context)) {
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echo "<a title=\"$straddtoquiz\" href=\"edit.php?addquestion=$question->id&quizid=$quizid&sesskey=$USER->sesskey\"><img
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src=\"$CFG->pixpath/t/moveleft.gif\" alt=\"$straddtoquiz\" /></a> ";
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}
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// preview
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echo "<a title=\"$strpreview\" href=\"javascript:void();\" onclick=\"openpopup('/question/preview.php?id=$question->id&quizid=$quizid','$strpreview', " .
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QUESTION_PREVIEW_POPUP_OPTIONS . ", false)\"><img
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src=\"$CFG->pixpath/t/preview.gif\" alt=\"$strpreview\" /></a> ";
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// edit, hide, delete question, using question capabilities, not quiz capabilieies
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if (has_capability('moodle/question:manage', $context)) {
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echo "<a title=\"$stredit\" href=\"$CFG->wwwroot/question/question.php?id=$question->id\"><img
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src=\"$CFG->pixpath/t/edit.gif\" alt=\"$stredit\" /></a> ";
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// hide-feature
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if($question->hidden) {
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echo "<a title=\"$strrestore\" href=\"edit.php?courseid=$course->id&unhide=$question->id&sesskey=$USER->sesskey\"><img
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src=\"$CFG->pixpath/t/restore.gif\" alt=\"$strrestore\" /></a>";
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} else {
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echo "<a title=\"$strdelete\" href=\"edit.php?courseid=$course->id&deleteselected=$question->id&q$question->id=1\"><img
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src=\"$CFG->pixpath/t/delete.gif\" alt=\"$strdelete\" /></a>";
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}
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}
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echo " <input title=\"$strselect\" type=\"checkbox\" name=\"q$question->id\" value=\"1\" />";
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echo "</td>\n";
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echo "<td $nameclass>" . format_string($question->name) . "</td>\n";
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echo "<td $nameclass style='text-align: right'>\n";
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print_question_icon($question, $canedit);
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echo "</td>\n";
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echo "</tr>\n";
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if($showquestiontext){
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echo '<tr><td colspan="3" ' . $textclass . '>';
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$formatoptions = new stdClass;
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$formatoptions->noclean = true;
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$formatoptions->para = false;
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echo format_text($question->questiontext, $question->questiontextformat,
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$formatoptions, $course->id);
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echo "</td></tr>\n";
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}
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}
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echo "</table>\n";
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$paging = print_paging_bar($totalnumber, $page, $perpage,
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"edit.php?courseid={$course->id}&perpage=$perpage&", 'page',
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false, true);
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if ($totalnumber > DEFAULT_QUESTIONS_PER_PAGE) {
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if ($perpage == DEFAULT_QUESTIONS_PER_PAGE) {
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$showall = '<a href="edit.php?courseid='.$course->id.'&perpage=1000">'.get_string('showall', 'moodle', $totalnumber).'</a>';
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} else {
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$showall = '<a href="edit.php?courseid='.$course->id.'&perpage=' . DEFAULT_QUESTIONS_PER_PAGE . '">'.get_string('showperpage', 'moodle', DEFAULT_QUESTIONS_PER_PAGE).'</a>';
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}
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if ($paging) {
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$paging = substr($paging, 0, strrpos($paging, '</div>'));
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$paging .= "<br />$showall</div>";
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} else {
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$paging = "<div class='paging'>$showall</div>";
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}
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}
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echo $paging;
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echo '<table class="quiz-edit-selected"><tr><td colspan="2">';
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echo '<a href="javascript:select_all_in(\'TABLE\', null, \'categoryquestions\');">'.$strselectall.'</a> /'.
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' <a href="javascript:deselect_all_in(\'TABLE\', null, \'categoryquestions\');">'.$strselectnone.'</a>'.
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'</td><td align="right"><b> '.get_string('withselected', 'quiz').':</b></td></tr><tr><td>';
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if ($quizid && has_capability('mod/quiz:manage', $context)) {
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echo "<input type=\"submit\" name=\"add\" value=\"{$THEME->larrow} $straddtoquiz\" />\n";
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echo '</td><td>';
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}
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// print delete and move selected question
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if (has_capability('moodle/question:manage', $context)) {
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echo '<input type="submit" name="deleteselected" value="'.$strdelete."\" /></td><td>\n";
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echo '<input type="submit" name="move" value="'.get_string('moveto', 'quiz')."\" />\n";
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question_category_select_menu($course->id, false, true, $category->id);
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}
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echo "</td></tr></table>";
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// add random question
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if ($quizid && has_capability('mod/quiz:manage', $context)) {
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for ($i = 1;$i <= min(10, $totalnumber); $i++) {
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$randomcount[$i] = $i;
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}
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for ($i = 20;$i <= min(100, $totalnumber); $i += 10) {
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$randomcount[$i] = $i;
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}
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echo '<br />';
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print_string('addrandom', 'quiz',
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choose_from_menu($randomcount, 'randomcount', '1', '', '', '', true));
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echo '<input type="hidden" name="recurse" value="'.$recurse.'" />';
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echo "<input type=\"hidden\" name=\"categoryid\" value=\"$category->id\" />";
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echo ' <input type="submit" name="addrandom" value="'. get_string('add') .'" />';
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helpbutton('random', get_string('random', 'quiz'), 'quiz');
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}
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echo '</fieldset>';
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echo "</form>\n";
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}
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?>
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