moodle/mod/lesson/lesson.php

2437 lines
123 KiB
PHP

<?PHP // $Id: lesson.php, v 1.0 25 Jan 2004
/*************************************************
ACTIONS handled are:
addbranchtable
addendofbranch
addcluster /// CDC-FLAG /// added two new items
addendofcluster
addpage
confirmdelete
continue
delete
editpage
insertpage
move
moveit
updatepage
************************************************/
require("../../config.php");
require("locallib.php");
$id = required_param('id', PARAM_INT); // Course Module ID
// get some esential stuff...
if (! $cm = get_record("course_modules", "id", $id)) {
error("Course Module ID was incorrect");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("Course is misconfigured");
}
if (! $lesson = get_record("lesson", "id", $cm->instance)) {
error("Course module is incorrect");
}
require_login($course->id);
// set up some general variables
$usehtmleditor = can_use_html_editor();
$navigation = "";
if ($course->category) {
$navigation = "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->";
}
$strlessons = get_string("modulenameplural", "lesson");
$strlesson = get_string("modulename", "lesson");
$strlessonname = $lesson->name;
// ... print the header and...
print_header("$course->shortname: $lesson->name", "$course->fullname",
"$navigation <A HREF=index.php?id=$course->id>$strlessons</A> ->
<A HREF=\"view.php?id=$cm->id\">$lesson->name</A>",
"", "<style type=\"text/css\">@import url($CFG->wwwroot/mod/lesson/styles.php);</style>", true);
//...get the action
$action = required_param('action');
/************** add branch table ************************************/
if ($action == 'addbranchtable' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
// first get the preceeding page
$pageid = required_param('pageid', PARAM_INT);
// set of jump array
$jump = array();
$jump[0] = get_string("thispage", "lesson");
$jump[LESSON_NEXTPAGE] = get_string("nextpage", "lesson");
//// CDC-FLAG /////
$jump[LESSON_PREVIOUSPAGE] = get_string("previouspage", "lesson");
if (!isset($_GET['firstpage'])) {
$jump[LESSON_EOL] = get_string("endoflesson", "lesson");
if (!$apageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Add page: first page not found");
}
while (true) {
if ($apageid) {
$title = get_field("lesson_pages", "title", "id", $apageid);
$jump[$apageid] = $title;
$apageid = get_field("lesson_pages", "nextpageid", "id", $apageid);
} else {
// last page reached
break;
}
}
}
//// CDC-FLAG /////
// give teacher a blank proforma
print_heading_with_help(get_string("addabranchtable", "lesson"), "overview", "lesson");
?>
<form name="form" method="post" action="lesson.php" />
<input type="hidden" name="id" value="<?PHP echo $cm->id ?>" />
<input type="hidden" name="action" value="insertpage">
<input type="hidden" name="pageid" value="<?PHP echo $pageid ?>" />
<input type="hidden" name="qtype" value="<?PHP echo LESSON_BRANCHTABLE ?>" />
<input type="hidden" name="sesskey" value="<?PHP echo $USER->sesskey ?>" />
<center><table cellpadding=5 border=1>
<tr><td align="center">
<tr valign="top">
<td><b><?php print_string("pagetitle", "lesson"); ?>:</b><br />
<!-- //CDC hidden-label added.--><label for="title" class="hidden-label">Title</label><input type="text" id="title" name="title" size="80" maxsize="255" value="" /></td></tr>
<?PHP
echo "<tr><td><b>";
echo get_string("pagecontents", "lesson").":</b><br />\n";
print_textarea($usehtmleditor, 25,70, 630, 400, "contents");
use_html_editor("contents");
echo "</td></tr>\n";
/// CDC-FLAG /// 6/16/04
echo "<tr><td>\n";
echo "<center><input name=\"layout\" type=\"checkbox\" value=\"1\" checked=\"checked\" />";
echo get_string("arrangebuttonshorizontally", "lesson")."\n";
echo "<br><input name=\"display\" type=\"checkbox\" value=\"1\" checked=\"checked\" />";
echo get_string("displayinleftmenu", "lesson");
echo "</center>\n";
echo "</td></tr>\n";
/// CDC-FLAG ///
for ($i = 0; $i < $lesson->maxanswers; $i++) {
$iplus1 = $i + 1;
echo "<tr><td><b>".get_string("description", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 10, 70, 630, 300, "answer[$i]"); // made the default set to off also removed use_html_editor(); line from down below, which made all textareas turn into html editors
echo "</td></tr>\n";
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
if ($i) {
// answers 2, 3, 4... jumpto this page
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
} else {
// answer 1 jumpto next page
lesson_choose_from_menu($jump, "jumpto[$i]", LESSON_NEXTPAGE, "");
}
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
echo "</td></tr>\n";
}
// close table and form
?>
</table><br />
<input type="submit" value="<?php print_string("addabranchtable", "lesson") ?>" />
<input type="submit" name="cancel" value="<?php print_string("cancel") ?>" />
</center>
</form>
<?PHP
}
/************** add end of branch ************************************/
elseif ($action == 'addendofbranch' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
// first get the preceeding page
$pageid = required_param('pageid', PARAM_INT);
$timenow = time();
// the new page is not the first page (end of branch always comes after an existing page)
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Add end of branch: page record not found");
}
// chain back up to find the (nearest branch table)
$btpageid = $pageid;
if (!$btpage = get_record("lesson_pages", "id", $btpageid)) {
error("Add end of branch: btpage record not found");
}
while (($btpage->qtype != LESSON_BRANCHTABLE) AND ($btpage->prevpageid > 0)) {
$btpageid = $btpage->prevpageid;
if (!$btpage = get_record("lesson_pages", "id", $btpageid)) {
error("Add end of branch: btpage record not found");
}
}
if ($btpage->qtype == LESSON_BRANCHTABLE) {
$newpage = new stdClass;
$newpage->lessonid = $lesson->id;
$newpage->prevpageid = $pageid;
$newpage->nextpageid = $page->nextpageid;
$newpage->qtype = LESSON_ENDOFBRANCH;
$newpage->timecreated = $timenow;
$newpage->title = get_string("endofbranch", "lesson");
$newpage->contents = get_string("endofbranch", "lesson");
if (!$newpageid = insert_record("lesson_pages", $newpage)) {
error("Insert page: new page not inserted");
}
// update the linked list...
if (!set_field("lesson_pages", "nextpageid", $newpageid, "id", $pageid)) {
error("Add end of branch: unable to update link");
}
if ($page->nextpageid) {
// the new page is not the last page
if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $page->nextpageid)) {
error("Insert page: unable to update previous link");
}
}
// ..and the single "answer"
$newanswer = new stdClass;
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
$newanswer->jumpto = $btpageid;
if(!$newanswerid = insert_record("lesson_answers", $newanswer)) {
error("Add end of branch: answer record not inserted");
}
redirect("view.php?id=$cm->id", get_string('addedanendofbranch', 'lesson'));
} else {
notice(get_string("nobranchtablefound", "lesson"), "view.php?id=$cm->id");
}
}
/// CDC-FLAG 6/17/04 ///
/************** add cluster ************************************/
elseif ($action == 'addcluster' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
// first get the preceeding page
// if $pageid = 0, then we are inserting a new page at the beginning of the lesson
$pageid = required_param('pageid', PARAM_INT);
$timenow = time();
if ($pageid == 0) {
if (!$page = get_record("lesson_pages", "prevpageid", 0, "lessonid", $lesson->id)) {
error("Error: Add cluster: page record not found");
}
} else {
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Error: Add cluster: page record not found");
}
}
$newpage = new stdClass;
$newpage->lessonid = $lesson->id;
$newpage->prevpageid = $pageid;
if ($pageid != 0) {
$newpage->nextpageid = $page->nextpageid;
} else {
$newpage->nextpageid = $page->id;
}
$newpage->qtype = LESSON_CLUSTER;
$newpage->timecreated = $timenow;
$newpage->title = get_string("clustertitle", "lesson");
$newpage->contents = get_string("clustertitle", "lesson");
if (!$newpageid = insert_record("lesson_pages", $newpage)) {
error("Insert page: new page not inserted");
}
// update the linked list...
if ($pageid != 0) {
if (!set_field("lesson_pages", "nextpageid", $newpageid, "id", $pageid)) {
error("Add cluster: unable to update link");
}
}
if ($pageid == 0) {
$page->nextpageid = $page->id;
}
if ($page->nextpageid) {
// the new page is not the last page
if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $page->nextpageid)) {
error("Insert page: unable to update previous link");
}
}
// ..and the single "answer"
$newanswer = new stdClass;
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
$newanswer->jumpto = LESSON_CLUSTERJUMP;
if(!$newanswerid = insert_record("lesson_answers", $newanswer)) {
error("Add cluster: answer record not inserted");
}
redirect("view.php?id=$cm->id", get_string('addedcluster', 'lesson'));
}
/// CDC-FLAG ///
/// CDC-FLAG 6/17/04 ///
/************** add end of cluster ************************************/
elseif ($action == 'addendofcluster' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
// first get the preceeding page
$pageid = required_param('pageid', PARAM_INT);
$timenow = time();
// the new page is not the first page (end of cluster always comes after an existing page)
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Error: Could not find page");
}
// could put code in here to check if the user really can insert an end of cluster
$newpage = new stdClass;
$newpage->lessonid = $lesson->id;
$newpage->prevpageid = $pageid;
$newpage->nextpageid = $page->nextpageid;
$newpage->qtype = LESSON_ENDOFCLUSTER;
$newpage->timecreated = $timenow;
$newpage->title = get_string("endofclustertitle", "lesson");
$newpage->contents = get_string("endofclustertitle", "lesson");
if (!$newpageid = insert_record("lesson_pages", $newpage)) {
error("Insert page: end of cluster page not inserted");
}
// update the linked list...
if (!set_field("lesson_pages", "nextpageid", $newpageid, "id", $pageid)) {
error("Add end of cluster: unable to update link");
}
if ($page->nextpageid) {
// the new page is not the last page
if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $page->nextpageid)) {
error("Insert end of cluster: unable to update previous link");
}
}
// ..and the single "answer"
$newanswer = new stdClass;
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
$newanswer->jumpto = LESSON_NEXTPAGE;
if(!$newanswerid = insert_record("lesson_answers", $newanswer)) {
error("Add end of cluster: answer record not inserted");
}
redirect("view.php?id=$cm->id", get_string('addedendofcluster', 'lesson'));
}
/// CDC-FLAG ///
/************** add page ************************************/
elseif ($action == 'addpage' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
// first get the preceeding page
$pageid = required_param('pageid', PARAM_INT);
// set of jump array
$jump = array();
$jump[0] = get_string("thispage", "lesson");
$jump[LESSON_NEXTPAGE] = get_string("nextpage", "lesson");
//// CDC-FLAG 6/18/04 /////
$jump[LESSON_PREVIOUSPAGE] = get_string("previouspage", "lesson");
if(lesson_display_branch_jumps($lesson->id, $pageid)) {
$jump[LESSON_UNSEENBRANCHPAGE] = get_string("unseenpageinbranch", "lesson");
$jump[LESSON_RANDOMPAGE] = get_string("randompageinbranch", "lesson");
}
if(lesson_display_cluster_jump($lesson->id, $pageid)) {
$jump[LESSON_CLUSTERJUMP] = get_string("clusterjump", "lesson");
}
/// CDC-FLAG ///
if (!isset($_GET['firstpage'])) {
$linkadd = "";
$jump[LESSON_EOL] = get_string("endoflesson", "lesson");
if (!$apageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Add page: first page not found");
}
while (true) {
if ($apageid) {
$title = get_field("lesson_pages", "title", "id", $apageid);
$jump[$apageid] = $title;
$apageid = get_field("lesson_pages", "nextpageid", "id", $apageid);
} else {
// last page reached
break;
}
}
} else {
$linkadd = "&firstpage=1";
}
// give teacher a blank proforma
print_heading_with_help(get_string("addaquestionpage", "lesson"), "overview", "lesson");
?>
<form name="form" method="post" action="lesson.php">
<input type="hidden" name="id" value="<?PHP echo $cm->id ?>">
<input type="hidden" name="action" value="insertpage">
<input type="hidden" name="pageid" value="<?PHP echo $pageid ?>">
<input type="hidden" name="sesskey" value="<?PHP echo $USER->sesskey ?>">
<center><table cellpadding=5 border=1>
<?php
echo "<tr><td align=\"center\"><b>";
echo get_string("questiontype", "lesson").":</b> \n";
echo helpbutton("questiontype", get_string("questiontype", "lesson"), "lesson")."<br>";
if (isset($_GET['qtype'])) {
$qtype = clean_param($_GET['qtype'], PARAM_INT);
lesson_qtype_menu($LESSON_QUESTION_TYPE, $qtype,
"lesson.php?id=$cm->id&action=addpage&pageid=".$pageid.$linkadd);
// NoticeFix rearraged
if ( $qtype == LESSON_SHORTANSWER || $qtype == LESSON_MULTICHOICE ) { // only display this option for Multichoice and shortanswer
if ($qtype == LESSON_SHORTANSWER) {
echo "<br><br><b>".get_string("casesensitive", "lesson").":</b> \n";
} else {
echo "<br><br><b>".get_string("multianswer", "lesson").":</b> \n";
}
echo " <label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\"/>"; //CDC hidden label added.
helpbutton("questionoption", get_string("questionoption", "lesson"), "lesson");
}
} else {
lesson_qtype_menu($LESSON_QUESTION_TYPE, LESSON_MULTICHOICE,
"lesson.php?id=$cm->id&action=addpage&pageid=".$pageid.$linkadd);
echo "<br><br><b>".get_string("multianswer", "lesson").":</b> \n";
echo " <label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\"/>"; //CDC hidden label added.
helpbutton("questionoption", get_string("questionoption", "lesson"), "lesson");
}
echo "</td></tr>\n";
?>
<tr><td align="center">
<tr valign="top">
<td><b><?php print_string("pagetitle", "lesson"); ?>:</b><br />
<!-- //CDC hidden-label added.--><label for="title" class="hidden-label">Title</label><input type="text" id="title" name="title" size="80" maxsize="255" value=""></td></tr>
<?PHP
echo "<tr><td><b>";
echo get_string("pagecontents", "lesson").":</b><br />\n";
print_textarea($usehtmleditor, 25,70, 630, 400, "contents");
use_html_editor("contents");
echo "</td></tr>\n";
if (isset($_GET['qtype'])) {
switch ($_GET['qtype']) {
case LESSON_TRUEFALSE :
for ($i = 0; $i < 2; $i++) {
$iplus1 = $i + 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
if ($i) {
// answers 2, 3, 4... jumpto this page
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
} else {
// answer 1 jumpto next page
lesson_choose_from_menu($jump, "jumpto[$i]", LESSON_NEXTPAGE, "");
}
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
/// CDC-FLAG ///
if($lesson->custom) {
if ($i) {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"0\" size=\"5\">";
} else {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"1\" size=\"5\">";
}
}
/// CDC-FLAG ///
echo "</td></tr>\n";
}
break;
case LESSON_ESSAY :
echo "<tr><td><B>".get_string("jump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[0]", LESSON_NEXTPAGE, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if ($lesson->custom) {
echo get_string("score", "lesson").": <input type=\"text\" name=\"score[0]\" value=\"1\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_MATCHING :
for ($i = 0; $i < $lesson->maxanswers+2; $i++) {
$icorrected = $i - 1;
if ($i == 0) {
echo "<tr><td><b>".get_string("correctresponse", "lesson").":</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
} elseif ($i == 1) {
echo "<tr><td><b>".get_string("wrongresponse", "lesson").":</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
} else {
echo "<tr><td><b>".get_string("answer", "lesson")." $icorrected:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("matchesanswer", "lesson")." $icorrected:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
}
if ($i == 2) {
echo "<tr><td><B>".get_string("correctanswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", LESSON_NEXTPAGE, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("correctanswerscore", "lesson").": <input type=\"text\" name=\"score[$i]\" value=\"1\" size=\"5\">";
}
echo "</td></tr>\n";
} elseif ($i == 3) {
echo "<tr><td><B>".get_string("wronganswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("wronganswerscore", "lesson").": <input type=\"text\" name=\"score[$i]\" value=\"0\" size=\"5\">";
}
echo "</td></tr>\n";
}
}
break;
case LESSON_SHORTANSWER :
case LESSON_NUMERICAL :
case LESSON_MULTICHOICE :
// default code
for ($i = 0; $i < $lesson->maxanswers; $i++) {
$iplus1 = $i + 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
if ($i) {
// answers 2, 3, 4... jumpto this page
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
} else {
// answer 1 jumpto next page
lesson_choose_from_menu($jump, "jumpto[$i]", LESSON_NEXTPAGE, "");
}
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
/// CDC-FLAG ///
if($lesson->custom) {
if ($i) {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"0\" size=\"5\">";
} else {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"1\" size=\"5\">";
}
}
/// CDC-FLAG ///
echo "</td></tr>\n";
}
break;
}
} else {
for ($i = 0; $i < $lesson->maxanswers; $i++) {
$iplus1 = $i + 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
if ($i) {
// answers 2, 3, 4... jumpto this page
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
} else {
// answer 1 jumpto next page
lesson_choose_from_menu($jump, "jumpto[$i]", LESSON_NEXTPAGE, "");
}
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
/// CDC-FLAG ///
if($lesson->custom) {
if ($i) {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"0\" size=\"5\">";
} else {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"1\" size=\"5\">";
}
}
/// CDC-FLAG ///
echo "</td></tr>\n";
}
}
// close table and form
?>
</table><br />
<input type="submit" value="<?php print_string("addaquestionpage", "lesson") ?>">
<input type="submit" name="cancel" value="<?php print_string("cancel") ?>">
</center>
</form>
<?PHP
}
/******************* confirm delete ************************************/
elseif ($action == 'confirmdelete' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
$pageid = required_param('pageid', PARAM_INT);
if (!$thispage = get_record("lesson_pages", "id", $pageid)) {
error("Confirm delete: the page record not found");
}
print_heading(get_string("deletingpage", "lesson", $thispage->title));
// print the jumps to this page
if ($answers = get_records_select("lesson_answers", "lessonid = $lesson->id AND jumpto = $pageid + 1")) {
print_heading(get_string("thefollowingpagesjumptothispage", "lesson"));
echo "<p align=\"center\">\n";
foreach ($answers as $answer) {
if (!$title = get_field("lesson_pages", "title", "id", $answer->pageid)) {
error("Confirm delete: page title not found");
}
echo $title."<br />\n";
}
}
notice_yesno(get_string("confirmdeletionofthispage","lesson"),
"lesson.php?action=delete&amp;id=$cm->id&amp;pageid=$pageid&amp;sesskey=".$USER->sesskey,
"view.php?id=$cm->id");
}
/****************** continue ************************************/
elseif ($action == 'continue' ) {
confirm_sesskey();
// left menu code
if ($lesson->displayleft) {
if($firstpageid = get_field('lesson_pages', 'id', 'lessonid', $lesson->id, 'prevpageid', 0)) {
echo '<table><tr valign="top"><td>';
// print the pages
echo '<form name="lessonpages2" method="post" action="view.php">';
echo '<input type="hidden" name="id" value="'. $cm->id .'" />';
echo '<input type="hidden" name="action" value="navigation" />';
echo '<input type="hidden" name="pageid" />';
echo "<table><tr><td valign=\"top\">";
echo "<div class=\"leftmenutable\">".get_string('lessonmenu', 'lesson')."<br />";
echo "<div class=\"main\">";
echo "<a href=\"../../course/view.php?id=$course->id\">".get_string("mainmenu", "lesson")."</a><br />"; echo "</div>";
echo '<div class="leftmenu">';
lesson_print_tree_menu($lesson->id, $firstpageid, $cm->id);
echo '</div></div></td></tr></table>'; //close lmlinks
echo '</form>';
echo '</td><td align="center" width="100%">';
}
}
/// CDC-FLAG /// 6/21/04 This is the warning msg for teachers to inform them that cluster and unseen does not work while logged in as a teacher
if(isteacher($course->id)) {
if (execute_teacherwarning($lesson->id)) {
$warningvars->cluster = get_string("clusterjump", "lesson");
$warningvars->unseen = get_string("unseenpageinbranch", "lesson");
echo "<p align=\"center\">".get_string("teacherjumpwarning", "lesson", $warningvars)."</p>";
}
}
/// CDC-FLAG ///
/// CDC-FLAG /// 6/14/04 -- This is the code updates the lesson time for a timed test
// get time information for this user
if (!isteacher($course->id)) {
if (!$timer = get_records_select('lesson_timer', "lessonid = $lesson->id AND userid = $USER->id", 'starttime')) {
error('Error: could not find records');
} else {
$timer = array_pop($timer); // this will get the latest start time record
}
}
$outoftime = false;
if($lesson->timed) {
if(isteacher($course->id)) {
echo "<p align=\"center\">".get_string("teachertimerwarning", "lesson")."</p>";
} else {
if ((($timer->starttime + $lesson->maxtime * 60) - time()) > 0) {
// code for the clock
print_simple_box_start("right", "150px", "#ffffff", 0);
echo "<table border=\"0\" valign=\"top\" align=\"center\" class=\"generaltable\" width=\"100%\" cellspacing=\"0\">".
"<tr><th valign=\"top\" class=\"generaltableheader\">".get_string("timeremaining", "lesson").
"</th></tr><tr><td align=\"center\" class=\"generaltablecell\">";
echo "<script language=\"javascript\">\n";
echo "var starttime = ". $timer->starttime . ";\n";
echo "var servertime = ". time() . ";\n";
echo "var testlength = ". $lesson->maxtime * 60 .";\n";
echo "document.write('<SCRIPT LANGUAGE=\"JavaScript\" SRC=\"timer.js\"><\/SCRIPT>');\n";
echo "window.onload = function () { show_clock(); }\n";
echo "</script>\n";
echo "</td></tr></table>";
print_simple_box_end();
echo "<br /><br /><br /><br />";
} else {
redirect("view.php?id=$cm->id&action=navigation&pageid=".LESSON_EOL."&outoftime=normal", get_string("outoftime", "lesson"));
}
if ((($timer->starttime + $lesson->maxtime * 60) - time()) < 60 && !((($timer->starttime + $lesson->maxtime * 60) - time()) < 0)) {
echo "<p align=\"center\">".get_string("studentoneminwarning", "lesson")."</p>";
} elseif (($timer->starttime + $lesson->maxtime * 60) < time()) {
echo "<p align=\"center\">".get_string("studentoutoftime", "lesson")."</p>";
$outoftime = true;
}
}
}
// update the clock
if (!isteacher($course->id)) {
$timer->lessontime = time();
if (!update_record("lesson_timer", $timer)) {
error("Error: could not update lesson_timer table");
}
}
/// CDC-FLAG ///
// record answer (if necessary) and show response (if none say if answer is correct or not)
if (empty($_POST['pageid'])) {
error("Continue: pageid missing");
}
$pageid = required_param('pageid', PARAM_INT);
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Continue: Page record not found");
}
// set up some defaults
$answerid = 0;
$noanswer = false;
$correctanswer = false;
$newpageid = 0; // stay on the page
switch ($page->qtype) {
/// CDC-FLAG ///
case LESSON_ESSAY :
if (!$useranswer = $_POST['answer']) {
$noanswer = true;
break;
}
$useranswer = clean_param($useranswer, PARAM_CLEAN);
if (!$answers = get_records("lesson_answers", "pageid", $pageid, "id")) {
error("Continue: No answers found");
}
$correctanswer = false;
$response = "Your essay will be graded by the course instructor.";
foreach ($answers as $answer) {
$answerid = $answer->id;
$newpageid = $answer->jumpto;
}
/// 6/29/04 //
$userresponse->sent=0;
$userresponse->graded = 0;
$userresponse->score = 0;
$userresponse->answer = $useranswer;
$userresponse->response = "";
$userresponse = addslashes(serialize($userresponse));
break;
/// CDC-FLAG ///
case LESSON_SHORTANSWER :
if (!$useranswer = $_POST['answer']) {
$noanswer = true;
break;
}
$useranswer = clean_param($useranswer, PARAM_CLEAN);
$userresponse = addslashes($useranswer);
if (!$answers = get_records("lesson_answers", "pageid", $pageid, "id")) {
error("Continue: No answers found");
}
foreach ($answers as $answer) {
/// CDC-FLAG ///
if ($lesson->custom && $answer->score > 0) {
if ($page->qoption) {
// case sensitive
if ($answer->answer == $useranswer) {
$correctanswer = true;
$answerid = $answer->id;
$newpageid = $answer->jumpto;
if (trim(strip_tags($answer->response))) {
$response = $answer->response;
}
}
} else {
// case insensitive
if (strcasecmp($answer->answer, $useranswer) == 0) {
$correctanswer = true;
$answerid = $answer->id;
$newpageid = $answer->jumpto;
if (trim(strip_tags($answer->response))) {
$response = $answer->response;
}
}
}
} elseif (lesson_iscorrect($pageid, $answer->jumpto) && !$lesson->custom) { /// CDC-FLAG 6/21/04 ///
if ($page->qoption) {
// case sensitive
if ($answer->answer == $useranswer) {
$correctanswer = true;
$newpageid = $answer->jumpto;
if (trim(strip_tags($answer->response))) {
$response = $answer->response;
}
}
} else {
// case insensitive
if (strcasecmp($answer->answer, $useranswer) == 0) {
$correctanswer = true;
$newpageid = $answer->jumpto;
if (trim(strip_tags($answer->response))) {
$response = $answer->response;
}
}
}
} else {
// see if user typed in any of the wrong answers
// don't worry about case
if (strcasecmp($answer->answer, $useranswer) == 0) {
$newpageid = $answer->jumpto;
$answerid = $answer->id;
if (trim(strip_tags($answer->response))) {
$response = $answer->response;
}
}
}
}
if (!isset($response)) {
if ($correctanswer) {
$response = get_string("thatsthecorrectanswer", "lesson");
} else {
$response = get_string("thatsthewronganswer", "lesson");
}
}
break;
case LESSON_TRUEFALSE :
if (empty($_POST['answerid'])) {
$noanswer = true;
break;
}
$answerid = required_param('answerid', PARAM_INT);
if (!$answer = get_record("lesson_answers", "id", $answerid)) {
error("Continue: answer record not found");
}
if (lesson_iscorrect($pageid, $answer->jumpto)) {
$correctanswer = true;
}
/* CDC-FLAG */
if ($lesson->custom) {
if ($answer->score > 0) {
$correctanswer = true;
} else {
$correctanswer = false;
}
}
/// CDC-FLAG 6/21/04 ///
$newpageid = $answer->jumpto;
if (!$response = trim($answer->response)) {
if ($correctanswer) {
$response = get_string("thatsthecorrectanswer", "lesson");
} else {
$response = get_string("thatsthewronganswer", "lesson");
}
}
break;
case LESSON_MULTICHOICE :
if ($page->qoption) {
// MULTIANSWER allowed, user's answer is an array
if (isset($_POST['answer'])) {
$useranswers = optional_param('answer');
} else {
$noanswer = true;
break;
}
// get what the user answered
$userresponse = implode(",", $useranswers);
// get the answers in a set order, the id order
if (!$answers = get_records("lesson_answers", "pageid", $pageid, "id")) {
error("Continue: No answers found");
}
$ncorrect = 0;
$nhits = 0;
$correctresponse = '';
$wrongresponse = '';
/// CDC-FLAG /// 6/11/04 this is for custom scores. If score on answer is positive, it is correct
if ($lesson->custom) {
$ncorrect = 0;
$nhits = 0;
foreach ($answers as $answer) {
if ($answer->score > 0) {
$ncorrect++;
foreach ($useranswers as $key => $answerid) {
if ($answerid == $answer->id) {
$nhits++;
}
}
// save the first jumpto page id, may be needed!...
if (!isset($correctpageid)) {
// leave in its "raw" state - will converted into a proper page id later
$correctpageid = $answer->jumpto;
}
// ...also save any response from the correct answers...
if (trim(strip_tags($answer->response))) {
$correctresponse = $answer->response;
}
} else {
// save the first jumpto page id, may be needed!...
if (!isset($wrongpageid)) {
// leave in its "raw" state - will converted into a proper page id later
$wrongpageid = $answer->jumpto;
}
// ...and from the incorrect ones, don't know which to use at this stage
if (trim(strip_tags($answer->response))) {
$wrongresponse = $answer->response;
}
}
}
} else {
foreach ($answers as $answer) {
if (lesson_iscorrect($pageid, $answer->jumpto)) {
$ncorrect++;
foreach ($useranswers as $key => $answerid) {
if ($answerid == $answer->id) {
$nhits++;
}
}
// save the first jumpto page id, may be needed!...
if (!isset($correctpageid)) {
// leave in its "raw" state - will converted into a proper page id later
$correctpageid = $answer->jumpto;
}
// ...also save any response from the correct answers...
if (trim(strip_tags($answer->response))) {
$correctresponse = $answer->response;
}
} else {
// save the first jumpto page id, may be needed!...
if (!isset($wrongpageid)) {
// leave in its "raw" state - will converted into a proper page id later
$wrongpageid = $answer->jumpto;
}
// ...and from the incorrect ones, don't know which to use at this stage
if (trim(strip_tags($answer->response))) {
$wrongresponse = $answer->response;
}
}
}
}
/// CDC-FLAG ///
if ((count($useranswers) == $ncorrect) and ($nhits == $ncorrect)) {
$correctanswer = true;
if (!$response = $correctresponse) {
$response = get_string("thatsthecorrectanswer", "lesson");
}
$newpageid = $correctpageid;
} else {
if (!$response = $wrongresponse) {
$response = get_string("thatsthewronganswer", "lesson");
}
$newpageid = $wrongpageid;
}
} else {
// only one answer allowed
if (empty($_POST['answerid'])) {
$noanswer = true;
break;
}
$answerid = required_param('answerid', PARAM_INT);
if (!$answer = get_record("lesson_answers", "id", $answerid)) {
error("Continue: answer record not found");
}
if (lesson_iscorrect($pageid, $answer->jumpto)) {
$correctanswer = true;
}
/* CDC-FLAG */
if ($lesson->custom) {
if ($answer->score > 0) {
$correctanswer = true;
} else {
$correctanswer = false;
}
}
/// CDC-FLAG ///
$newpageid = $answer->jumpto;
if (!$response = trim($answer->response)) {
if ($correctanswer) {
$response = get_string("thatsthecorrectanswer", "lesson");
} else {
$response = get_string("thatsthewronganswer", "lesson");
}
}
}
break;
/// CDC-FLAG /// 6/14/04 -- added responses
case LESSON_MATCHING :
if (isset($_POST['response']) && is_array($_POST['response'])) { // only arrays should be submitted
$response = $_POST['response'];
} else {
$noanswer = true;
break;
}
if (!$answers = get_records("lesson_answers", "pageid", $pageid, "id")) {
error("Continue: No answers found");
}
$ncorrect = 0;
$i = 0;
foreach ($answers as $answer) {
if ($i == 0 || $i == 1) {
// ignore first two answers, they are correct response
// and wrong response
$i++;
continue;
}
if ($answer->response == $response[$answer->id]) {
$ncorrect++;
}
if ($i == 2) {
$correctpageid = $answer->jumpto;
$correctanswerid = $answer->id;
}
if ($i == 3) {
$wrongpageid = $answer->jumpto;
$wronganswerid = $answer->id;
}
$i++;
}
// get he users exact responses for record keeping
foreach ($response as $value) {
foreach($answers as $answer) {
if ($value == $answer->response) {
$userresponse[] = $answer->id;
}
}
}
$userresponse = implode(",", $userresponse);
if ($ncorrect == count($answers)-2) { // dont count correct/wrong responses in the total.
$response = get_string("thatsthecorrectanswer", "lesson");
foreach ($answers as $answer) {
if ($answer->response == NULL && $answer->answer != NULL) {
$response = $answer->answer;
break;
}
}
// NoticeFix
if (isset($correctpageid)) {
$newpageid = $correctpageid;
}
if (isset($correctanswerid)) {
$answerid = $correctanswerid;
}
$correctanswer = true;
} else {
$response = get_string("thatsthewronganswer", "lesson");
$t = 0;
foreach ($answers as $answer) {
if ($answer->response == NULL && $answer->answer != NULL) {
if ($t == 1) {
$response = $answer->answer;
break;
}
$t++;
}
}
$newpageid = $wrongpageid;
$answerid = $wronganswerid;
}
break;
/// CDC-FLAG ///
case LESSON_NUMERICAL :
// set defaults
$response = '';
$newpageid = 0;
if (isset($_POST['answer'])) {
$useranswer = (float) optional_param('answer'); // just doing default PARAM_CLEAN, not doing PARAM_INT because it could be a float
} else {
$noanswer = true;
break;
}
$userresponse = $useranswer;
if (!$answers = get_records("lesson_answers", "pageid", $pageid, "id")) {
error("Continue: No answers found");
}
foreach ($answers as $answer) {
if (strpos($answer->answer, ':')) {
// there's a pairs of values
list($min, $max) = explode(':', $answer->answer);
$minimum = (float) $min;
$maximum = (float) $max;
} else {
// there's only one value
$minimum = (float) $answer->answer;
$maximum = $minimum;
}
if (($useranswer >= $minimum) and ($useranswer <= $maximum)) {
$newpageid = $answer->jumpto;
$response = trim($answer->response);
if (lesson_iscorrect($pageid, $newpageid)) {
$correctanswer = true;
}
/// CDC-FLAG ///
if ($lesson->custom) {
if ($answer->score > 0) {
$correctanswer = true;
$answerid = $answer->id;
} else {
$correctanswer = false;
}
}
/// CDC-FLAG ///
break;
}
}
if ($correctanswer) {
if (!$response) {
$response = get_string("thatsthecorrectanswer", "lesson");
}
} else {
if (!$response) {
$response = get_string("thatsthewronganswer", "lesson");
}
}
break;
case LESSON_BRANCHTABLE:
$noanswer = false;
$newpageid = optional_param('jumpto', NULL, PARAM_INT);
/// CDC-FLAG /// 6/15/04 going to insert into lesson_branch
if ($newpageid == LESSON_RANDOMBRANCH) {
$branchflag = 1;
} else {
$branchflag = 0;
}
if ($grades = get_records_select("lesson_grades", "lessonid = $lesson->id AND userid = $USER->id",
"grade DESC")) {
$retries = count($grades);
} else {
$retries = 0;
}
$branch = new stdClass;
$branch->lessonid = $lesson->id;
$branch->userid = $USER->id;
$branch->pageid = $pageid;
$branch->retry = $retries;
$branch->flag = $branchflag;
$branch->timeseen = time();
if (!insert_record("lesson_branch", $branch)) {
error("Error: could not insert row into lesson_branch table");
}
/// CDC-FLAG ///
/// CDC-FLAG /// this is called when jumping to random from a branch table
if($newpageid == LESSON_UNSEENBRANCHPAGE) {
if (isteacher($course->id)) {
$newpageid = LESSON_NEXTPAGE;
} else {
$newpageid = lesson_unseen_question_jump($lesson->id, $USER->id, $pageid); // this may return 0 //CDC Chris Berri.....this is where it sets the next page id for unseen?
}
}
/// CDC-FLAG 6/15/04 ///
// convert jumpto page into a proper page id
if ($newpageid == 0) {
$newpageid = $pageid;
} elseif ($newpageid == LESSON_NEXTPAGE) {
if (!$newpageid = $page->nextpageid) {
// no nextpage go to end of lesson
$newpageid = LESSON_EOL;
}
/* CDC-FLAG */ } elseif ($newpageid == LESSON_PREVIOUSPAGE) {
$newpageid = $page->prevpageid;
} elseif ($newpageid == LESSON_RANDOMPAGE) {
$newpageid = lesson_random_question_jump($lesson->id, $pageid);
} elseif ($newpageid == LESSON_RANDOMBRANCH) { // 6/15/04
$newpageid = lesson_unseen_branch_jump($lesson->id, $USER->id);
}
/// CDC-FLAG ///
// no need to record anything in lesson_attempts
redirect("view.php?id=$cm->id&amp;action=navigation&amp;pageid=$newpageid");
print_footer($course);
exit();
break;
}
if ($noanswer) {
$newpageid = $pageid; // display same page again
print_simple_box(get_string("noanswer", "lesson"), "center");
} else {
$nretakes = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
if (isstudent($course->id)) {
// record student's attempt
$attempt = new stdClass;
$attempt->lessonid = $lesson->id;
$attempt->pageid = $pageid;
$attempt->userid = $USER->id;
$attempt->answerid = $answerid;
$attempt->retry = $nretakes;
$attempt->correct = $correctanswer;
if(isset($userresponse)) {
$attempt->useranswer = $userresponse;
}
$attempt->timeseen = time();
/// CDC-FLAG /// -- dont want to insert the attempt if they ran out of time
if (!$outoftime) {
// if allow modattempts, then update the old attempt record, otherwise, insert new answer record
if (isset($USER->modattempts[$lesson->id])) {
$attempt->retry = $nretakes - 1; // they are going through on review, $nretakes will be too high
}
if (!$newattemptid = insert_record("lesson_attempts", $attempt)) {
error("Continue: attempt not inserted");
}
}
/// CDC-FLAG ///
if (!$correctanswer and ($newpageid == 0)) {
// wrong answer and student is stuck on this page - check how many attempts
// the student has had at this page/question
$nattempts = count_records("lesson_attempts", "pageid", $pageid, "userid", $USER->id,
"retry", $nretakes);
if ($nattempts >= $lesson->maxattempts) {
if ($lesson->maxattempts > 1) { // don't bother with message if only one attempt
echo "<p align=\"center\">(".get_string("maximumnumberofattempts", "lesson").
" ".get_string("reached", "lesson")." - ".
get_string("movingtonextpage", "lesson").")</p>\n";
}
$newpageid = LESSON_NEXTPAGE;
}
}
}
// convert jumpto page into a proper page id
if ($newpageid == 0) {
$newpageid = $pageid;
} elseif ($newpageid == LESSON_NEXTPAGE) {
if ($lesson->nextpagedefault) {
// in Flash Card mode...
// ... first get the page ids (lessonid the 5th param is needed to make get_records play)
$allpages = get_records("lesson_pages", "lessonid", $lesson->id, "id", "id,lessonid,qtype");
shuffle ($allpages);
$found = false;
if ($lesson->nextpagedefault == LESSON_UNSEENPAGE) {
foreach ($allpages as $thispage) {
if (!count_records("lesson_attempts", "pageid", $thispage->id, "userid",
$USER->id, "retry", $nretakes)) {
$found = true;
break;
}
}
} elseif ($lesson->nextpagedefault == LESSON_UNANSWEREDPAGE) {
foreach ($allpages as $thispage) {
if ($thispage->qtype == LESSON_ESSAY) {
if (!count_records_select("lesson_attempts", "pageid = $thispage->id AND
userid = $USER->id AND retry = $nretakes")) {
$found = true;
break;
}
} else {
if (!count_records_select("lesson_attempts", "pageid = $thispage->id AND
userid = $USER->id AND correct = 1 AND retry = $nretakes")) {
$found = true;
break;
}
}
}
}
if ($found) {
$newpageid = $thispage->id;
if ($lesson->maxpages) {
// check number of pages viewed (in the lesson)
if (count_records("lesson_attempts", "lessonid", $lesson->id, "userid", $USER->id,
"retry", $nretakes) >= $lesson->maxpages) {
$newpageid = LESSON_EOL;
}
}
} else {
$newpageid = LESSON_EOL;
}
} elseif (!$newpageid = $page->nextpageid) {
// no nextpage go to end of lesson
$newpageid = LESSON_EOL;
}
}
/// CDC-FLAG 6/21/04 /// this calculates the ongoing score
if ($lesson->ongoing) {
if (isteacher($course->id)) {
echo "<div align=\"center\">".get_string("teacherongoingwarning", "lesson")."</div><br>";
} else {
$ntries = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
if (isset($USER->modattempts[$lesson->id])) {
$ntries--;
}
lesson_calculate_ongoing_score($lesson, $USER->id, $ntries);
}
}
/// CDC-FLAG ///
// display response (if there is one - there should be!)
if ($response) {
//$title = get_field("lesson_pages", "title", "id", $pageid);
//print_heading($title);
echo "<table width=\"80%\" border=\"0\" align=\"center\"><tr><td>\n";
if ($lesson->review && !$correctanswer) {
$nretakes = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
$qattempts = count_records("lesson_attempts", "userid", $USER->id, "retry", $nretakes, "pageid", $pageid);
echo "<br><br>";
if ($qattempts == 1) {
print_simple_box(get_string("firstwrong", "lesson"), "center");
} else {
print_simple_box(get_string("secondpluswrong", "lesson"), "center");
}
} else {
print_simple_box(format_text($response), 'center');
}
echo "</td></tr></table>\n";
}
}
/// CDC-FLAG 6/18/04 /// - this is where some jump numbers are interpreted
if($outoftime) {
$newpageid = LESSON_EOL; // ran out of time for the test, so go to eol
} elseif (isset($USER->modattempts[$lesson->id])) {
// make sure if the student is reviewing, that he/she sees the same pages/page path that he/she saw the first time
if ($USER->modattempts[$lesson->id] == $pageid) { // remember, this session variable holds the pageid of the last page that the user saw
$newpageid = LESSON_EOL;
} else {
$nretakes--; // make sure we are looking at the right try.
$attempts = get_records_select("lesson_attempts", "lessonid = $lesson->id AND userid = $USER->id AND retry = $nretakes", "timeseen", "id, pageid");
$found = false;
$temppageid = 0;
foreach($attempts as $attempt) {
if ($found && $temppageid != $attempt->pageid) { // now try to find the next page, make sure next few attempts do no belong to current page
$newpageid = $attempt->pageid;
break;
}
if ($attempt->pageid == $pageid) {
$found = true; // if found current page
$temppageid = $attempt->pageid;
}
}
}
} elseif ($newpageid != LESSON_CLUSTERJUMP && $pageid != 0 && $newpageid > 0) { // going to check to see if the page that the user is going to view next, is a cluster page. If so, dont display, go into the cluster. The $newpageid > 0 is used to filter out all of the negative code jumps.
if (!$page = get_record("lesson_pages", "id", $newpageid)) {
error("Error: could not find page");
}
if ($page->qtype == LESSON_CLUSTER) {
$newpageid = LESSON_CLUSTERJUMP;
} elseif ($page->qtype == LESSON_ENDOFCLUSTER) {
$jump = get_field("lesson_answers", "jumpto", "pageid", $page->id, "lessonid", $lesson->id);
if ($jump == LESSON_NEXTPAGE) {
if ($page->nextpageid == 0) {
$newpageid = LESSON_EOL;
} else {
$newpageid = $page->nextpageid;
}
} else {
$newpageid = $jump;
}
}
} elseif ($newpageid == LESSON_UNSEENBRANCHPAGE) {
if (isteacher($course->id)) {
if ($page->nextpageid == 0) {
$newpageid = LESSON_EOL;
} else {
$newpageid = $page->nextpageid;
}
} else {
$newpageid = lesson_unseen_question_jump($lesson->id, $USER->id, $pageid);
}
} elseif ($newpageid == LESSON_PREVIOUSPAGE) {
$newpageid = $page->prevpageid;
} elseif ($newpageid == LESSON_RANDOMPAGE) {
$newpageid = lesson_random_question_jump($lesson->id, $pageid);
} elseif ($newpageid == LESSON_CLUSTERJUMP) {
if (isteacher($course->id)) {
if ($page->nextpageid == 0) { // if teacher, go to next page
$newpageid = LESSON_EOL;
} else {
$newpageid = $page->nextpageid;
}
} else {
$newpageid = lesson_cluster_jump($lesson->id, $USER->id, $pageid);
}
}
echo "<form name=\"pageform\" method =\"post\" action=\"view.php\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"navigation\">\n";
echo "<input type=\"hidden\" name=\"pageid\" value=\"$newpageid\">\n";
if (isset($USER->modattempts[$lesson->id])) {
echo "<p align=\"center\">".
get_string("savechangesandeol", "lesson")."<br /><br />".
"<input type=\"submit\" onClick='pageform.pageid.value=".LESSON_EOL.";' name=\"save\" value=\"".
get_string("savechanges", "lesson")."\"></p>\n";
echo "<p align=\"center\">".get_string("or", "lesson")."<br /><br />".
get_string("continuetoanswer", "lesson")."</p>\n";
}
if ($lesson->review && !$correctanswer && !$noanswer) {
echo "<p align=\"center\"><input type=\"submit\" onClick='pageform.pageid.value=$pageid;' name=\"review\" value=\"".
get_string("reviewquestionback", "lesson")."\"></p>\n";
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("reviewquestioncontinue", "lesson")."\"></p>\n";
} else {
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("continue", "lesson")."\"></p>\n";
}
echo "</form>\n";
if ($lesson->displayleft) {
echo "</td></tr></table>";
}
}
/******************* delete ************************************/
elseif ($action == 'delete' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
if (empty($_GET['pageid'])) {
error("Delete: pageid missing");
}
$pageid = required_param('pageid', PARAM_INT);
if (!$thispage = get_record("lesson_pages", "id", $pageid)) {
error("Delete: page record not found");
}
print_string("deleting", "lesson");
// first delete all the associated records...
delete_records("lesson_attempts", "pageid", $pageid);
// ...now delete the answers...
delete_records("lesson_answers", "pageid", $pageid);
// ..and the page itself
delete_records("lesson_pages", "id", $pageid);
// repair the hole in the linkage
if (!$thispage->prevpageid) {
// this is the first page...
if (!$page = get_record("lesson_pages", "id", $thispage->nextpageid)) {
error("Delete: next page not found");
}
if (!set_field("lesson_pages", "prevpageid", 0, "id", $page->id)) {
error("Delete: unable to set prevpage link");
}
} elseif (!$thispage->nextpageid) {
// this is the last page...
if (!$page = get_record("lesson_pages", "id", $thispage->prevpageid)) {
error("Delete: prev page not found");
}
if (!set_field("lesson_pages", "nextpageid", 0, "id", $page->id)) {
error("Delete: unable to set nextpage link");
}
} else {
// page is in the middle...
if (!$prevpage = get_record("lesson_pages", "id", $thispage->prevpageid)) {
error("Delete: prev page not found");
}
if (!$nextpage = get_record("lesson_pages", "id", $thispage->nextpageid)) {
error("Delete: next page not found");
}
if (!set_field("lesson_pages", "nextpageid", $nextpage->id, "id", $prevpage->id)) {
error("Delete: unable to set next link");
}
if (!set_field("lesson_pages", "prevpageid", $prevpage->id, "id", $nextpage->id)) {
error("Delete: unable to set prev link");
}
}
redirect("view.php?id=$cm->id", get_string('deletedpage', 'lesson'));
}
/************** edit page ************************************/
elseif ($action == 'editpage' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
// get the page
$pageid = required_param('pageid', PARAM_INT);
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Edit page: page record not found");
}
if (isset($_GET['qtype'])) {
$page->qtype = required_param('qtype', PARAM_INT);
}
// set of jump array
$jump = array();
$jump[0] = get_string("thispage", "lesson");
$jump[LESSON_NEXTPAGE] = get_string("nextpage", "lesson");
//// CDC-FLAG 6/18/04 /////
$jump[LESSON_PREVIOUSPAGE] = get_string("previouspage", "lesson");
if(lesson_display_branch_jumps($lesson->id, $page->id)) {
$jump[LESSON_UNSEENBRANCHPAGE] = get_string("unseenpageinbranch", "lesson");
$jump[LESSON_RANDOMPAGE] = get_string("randompageinbranch", "lesson");
}
if ($page->qtype == LESSON_ENDOFBRANCH || $page->qtype == LESSON_BRANCHTABLE) {
$jump[LESSON_RANDOMBRANCH] = get_string("randombranch", "lesson");
}
if(lesson_display_cluster_jump($lesson->id, $page->id) && $page->qtype != LESSON_BRANCHTABLE && $page->qtype != LESSON_ENDOFCLUSTER) {
$jump[LESSON_CLUSTERJUMP] = get_string("clusterjump", "lesson");
}
//// CDC-FLAG /////
$jump[LESSON_EOL] = get_string("endoflesson", "lesson");
if (!$apageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Edit page: first page not found");
}
while (true) {
if ($apageid) {
if (!$apage = get_record("lesson_pages", "id", $apageid)) {
error("Edit page: apage record not found");
}
/// CDC-FLAG /// 6/15/04 removed != LESSON_ENDOFBRANCH...
if (trim($page->title)) { // ...nor nuffin pages
$jump[$apageid] = $apage->title;
}
$apageid = $apage->nextpageid;
} else {
// last page reached
break;
}
}
// give teacher a proforma
?>
<form name="editpage" method="post" action="lesson.php">
<input type="hidden" name="id" value="<?PHP echo $cm->id ?>">
<input type="hidden" name="action" value="updatepage">
<input type="hidden" name="pageid" value="<?PHP echo $pageid ?>">
<input type="hidden" name="sesskey" value="<?PHP echo $USER->sesskey ?>">
<input type="hidden" name="redisplay" value="0">
<center><table cellpadding=5 border=1>
<?php
switch ($page->qtype) {
case LESSON_MULTICHOICE :
echo "<tr><td align=\"center\"><b>";
echo get_string("questiontype", "lesson").":</b> \n";
echo helpbutton("questiontype", get_string("questiontype", "lesson"), "lesson")."<br>";
lesson_qtype_menu($LESSON_QUESTION_TYPE, $page->qtype,
"lesson.php?id=$cm->id&action=editpage&pageid=$page->id",
"document.editpage.redisplay.value=1;document.editpage.submit();");
echo "<br><br><b>".get_string("multianswer", "lesson").":</b> \n";
if ($page->qoption) {
echo "<label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\" checked=\"checked\"/>"; //CDC hidden label added.
} else {
echo "<label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\"/>"; //CDC hidden label added.
}
helpbutton("questionoption", get_string("questionoption", "lesson"), "lesson");
echo "</td></tr>\n";
break;
case LESSON_SHORTANSWER :
echo "<tr><td align=\"center\"><b>";
echo get_string("questiontype", "lesson").":</b> \n";
echo helpbutton("questiontype", get_string("questiontype", "lesson"), "lesson")."<br>";
lesson_qtype_menu($LESSON_QUESTION_TYPE, $page->qtype,
"lesson.php?id=$cm->id&action=editpage&pageid=$page->id",
"document.editpage.redisplay.value=1;document.editpage.submit();");
echo "<br><br><b>".get_string("casesensitive", "lesson").":</b> \n";
if ($page->qoption) {
echo "<label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\" checked=\"checked\"/>"; //CDC hidden label added.
} else {
echo "<label for=\"qoption\" class=\"hidden-label\">Question Option</label><input type=\"checkbox\" id=\"qoption\" name=\"qoption\" value=\"1\"/>"; //CDC hidden label added.
}
helpbutton("questionoption", get_string("questionoption", "lesson"), "lesson");
echo "</td></tr>\n";
break;
case LESSON_TRUEFALSE :
case LESSON_ESSAY :
case LESSON_MATCHING :
case LESSON_NUMERICAL :
echo "<tr><td align=\"center\"><b>";
echo get_string("questiontype", "lesson").":</b> \n";
echo helpbutton("questiontype", get_string("questiontype", "lesson"), "lesson")."<br>";
lesson_qtype_menu($LESSON_QUESTION_TYPE, $page->qtype,
"lesson.php?id=$cm->id&action=editpage&pageid=$page->id",
"document.editpage.redisplay.value=1;document.editpage.submit();");
echo "</td></tr>\n";
break;
}
?>
<tr><td align="center">
<tr valign="top">
<td><b><?php print_string("pagetitle", "lesson"); ?>:</b><br />
<!-- //CDC hidden-label added.--><label for="title" class="hidden-label">Title</label><input type="text" id="title" name="title" size="80" maxsize="255" value="<?PHP echo $page->title ?>"></td>
</tr>
<?PHP
echo "<tr><td><b>";
echo get_string("pagecontents", "lesson").":</b><br />\n";
print_textarea($usehtmleditor, 25, 70, 630, 400, "contents", $page->contents);
use_html_editor("contents"); // always the editor
echo "</td></tr>\n";
$n = 0;
switch ($page->qtype) {
case LESSON_BRANCHTABLE :
echo "<input type=\"hidden\" name=\"qtype\" value=\"$page->qtype\">\n";
/// CDC-FLAG /// 6/16/04
echo "<tr><td>\n";
echo "<center>";
if ($page->layout) {
echo "<input checked=\"checked\" name=\"layout\" type=\"checkbox\" value=\"1\">";
} else {
echo "<input name=\"layout\" type=\"checkbox\" value=\"1\">";
}
echo get_string("arrangebuttonshorizontally", "lesson")."<center>\n";
echo "<br>";
if ($page->display) {
echo "<center><input name=\"display\" type=\"checkbox\" value=\"1\" checked=\"checked\">";
} else {
echo "<center><input name=\"display\" type=\"checkbox\" value=\"1\">";
}
echo get_string("displayinleftmenu", "lesson")."<center>\n";
echo "</td></tr>\n";
/// CDC-FLAG ///
echo "<tr><td><b>".get_string("branchtable", "lesson")."</b> \n";
break;
case LESSON_CLUSTER :
echo "<input type=\"hidden\" name=\"qtype\" value=\"$page->qtype\">\n";
echo "<tr><td><b>".get_string("clustertitle", "lesson")."</b> \n";
break;
case LESSON_ENDOFCLUSTER :
echo "<input type=\"hidden\" name=\"qtype\" value=\"$page->qtype\">\n";
echo "<tr><td><b>".get_string("endofclustertitle", "lesson")."</b> \n";
break;
case LESSON_ENDOFBRANCH :
echo "<input type=\"hidden\" name=\"qtype\" value=\"$page->qtype\">\n";
echo "<tr><td><b>".get_string("endofbranch", "lesson")."</b> \n";
break;
}
echo "</td></tr>\n";
// get the answers in a set order, the id order
if ($answers = get_records("lesson_answers", "pageid", $page->id, "id")) {
foreach ($answers as $answer) {
$flags = intval($answer->flags); // force into an integer
$nplus1 = $n + 1;
echo "<input type=\"hidden\" name=\"answerid[$n]\" value=\"$answer->id\">\n";
switch ($page->qtype) {
case LESSON_MATCHING:
if ($n == 0) {
echo "<tr><td><b>".get_string("correctresponse", "lesson").":</b>\n";
if ($flags & LESSON_ANSWER_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\"answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "answer[$n]", $answer->answer);
use_html_editor("answer[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\">"; //CDC hidden label.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$n]", $answer->answer);
}
} elseif ($n == 1) {
echo "<tr><td><b>".get_string("wrongresponse", "lesson").":</b>\n";
if ($flags & LESSON_ANSWER_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\"answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "answer[$n]", $answer->answer);
use_html_editor("answer[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\">"; //CDC hidden label.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$n]", $answer->answer);
}
} else {
$ncorrected = $n - 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $ncorrected:</b>\n";
if ($flags & LESSON_ANSWER_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\"answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "answer[$n]", $answer->answer);
use_html_editor("answer[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\">"; //CDC hidden label.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$n]", $answer->answer);
}
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("matchesanswer", "lesson")." $ncorrected:</b>\n";
if ($flags & LESSON_RESPONSE_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"responseeditor[$n]\" class=\"hidden-label\">responseeditor[$n]</label><input type=\"checkbox\" id=\"responseeditor[$n]\" name=\"responseeditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "response[$n]", $answer->response);
use_html_editor("response[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"responseeditor[$n]\" class=\"hidden-label\">responseeditor[$n]</label><input type=\"checkbox\" id=\"responseeditor[$n]\" name=\"responseeditor[$n]\" value=\"1\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$n]", $answer->response);
}
}
echo "</td></tr>\n";
break;
case LESSON_TRUEFALSE:
case LESSON_MULTICHOICE:
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
echo "<tr><td><b>".get_string("answer", "lesson")." $nplus1:</b>\n";
if ($flags & LESSON_ANSWER_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\"answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "answer[$n]", $answer->answer);
use_html_editor("answer[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" id=\answereditor[$n]\" name=\"answereditor[$n]\" value=\"1\">"; //CDC hidden label.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "answer[$n]", $answer->answer);
}
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $nplus1:</b>\n";
if ($flags & LESSON_RESPONSE_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"responseeditor[$n]\" class=\"hidden-label\">responseeditor[$n]</label><input type=\"checkbox\" id=\"responseeditor[$n]\" name=\"responseeditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "response[$n]", $answer->response);
use_html_editor("response[$n]"); // switch on the editor
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"responseeditor[$n]\" class=\"hidden-label\">responseeditor[$n]</label><input type=\"checkbox\" id=\"responseeditor[$n]\" name=\"responseeditor[$n]\" value=\"1\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 6, 70, 630, 300, "response[$n]", $answer->response);
}
echo "</td></tr>\n";
break;
case LESSON_BRANCHTABLE:
echo "<tr><td><b>".get_string("description", "lesson")." $nplus1:</b>\n";
if ($flags & LESSON_ANSWER_EDITOR) {
echo " [".get_string("useeditor", "lesson").": ".
"<label for=\"answereditor[$n]\" class=\"hidden-label\">answereditor[$n]</label><input type=\"checkbox\" name=\"answereditor[$n]\" value=\"1\"
checked=\"checked\">"; //CDC hidden label added.
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea($usehtmleditor, 20, 70, 630, 300, "answer[$n]", $answer->answer);
use_html_editor("answer[$n]"); // switch on the editor CDC-FLAG added in this line... editor would not turn on w/o it
} else {
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"answereditor[$n]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "answer[$n]", $answer->answer);
}
echo "</td></tr>\n";
break;
}
switch ($page->qtype) {
case LESSON_MATCHING :
if ($n == 2) {
echo "<tr><td><b>".get_string("correctanswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$n]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom)
echo get_string("correctanswerscore", "lesson").": <input type=\"text\" name=\"score[$n]\" value=\"$answer->score\" size=\"5\">";
}
if ($n == 3) {
echo "<tr><td><b>".get_string("wronganswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$n]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom)
echo get_string("wronganswerscore", "lesson").": <input type=\"text\" name=\"score[$n]\" value=\"$answer->score\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_ESSAY :
echo "<tr><td><b>".get_string("jump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$n]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("score", "lesson").": <input type=\"text\" name=\"score[$n]\" value=\"$answer->score\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_TRUEFALSE:
case LESSON_MULTICHOICE:
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
echo "<tr><td><b>".get_string("jump", "lesson")." $nplus1:</b> \n";
lesson_choose_from_menu($jump, "jumpto[$n]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("score", "lesson")." $nplus1: <input type=\"text\" name=\"score[$n]\" value=\"$answer->score\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_BRANCHTABLE:
case LESSON_CLUSTER:
case LESSON_ENDOFCLUSTER:
case LESSON_ENDOFBRANCH:
echo "<tr><td><b>".get_string("jump", "lesson")." $nplus1:</b> \n";
lesson_choose_from_menu($jump, "jumpto[$n]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
echo "</td></tr>\n";
break;
}
$n++;
if ($page->qtype == LESSON_ESSAY) {
break; // only one answer for essays
}
}
}
if ($page->qtype != LESSON_ENDOFBRANCH && $page->qtype != LESSON_CLUSTER && $page->qtype != LESSON_ENDOFCLUSTER) { /// CDC-FLAG 6/17/04 added to the condition ///
if ($page->qtype == LESSON_MATCHING) {
$maxanswers = $lesson->maxanswers + 2;
} else {
$maxanswers = $lesson->maxanswers;
}
for ($i = $n; $i < $maxanswers; $i++) {
if ($page->qtype == LESSON_TRUEFALSE && $i > 1) {
break; // stop printing answers... only need two for true/false
}
$iplus1 = $i + 1;
echo "<input type=\"hidden\" name=\"answerid[$i]\" value=\"0\">\n";
switch ($page->qtype) {
case LESSON_MATCHING:
$icorrected = $i - 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $icorrected:</b>\n";
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"answereditor[$i]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("matchesanswer", "lesson")." $icorrected:</b>\n";
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"responseeditor[$i]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
break;
case LESSON_TRUEFALSE:
case LESSON_MULTICHOICE:
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
echo "<tr><td><b>".get_string("answer", "lesson")." $iplus1:</b>\n";
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"answereditor[$i]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $iplus1:</b>\n";
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"responseeditor[$i]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "response[$i]");
echo "</td></tr>\n";
break;
case LESSON_BRANCHTABLE:
echo "<tr><td><b>".get_string("description", "lesson")." $iplus1:</b>\n";
echo " [".get_string("useeditor", "lesson").": ".
"<input type=\"checkbox\" name=\"answereditor[$i]\" value=\"1\">";
helpbutton("useeditor", get_string("useeditor", "lesson"), "lesson");
echo "]<br />\n";
print_textarea(false, 10, 70, 630, 300, "answer[$i]");
echo "</td></tr>\n";
break;
}
switch ($page->qtype) {
case LESSON_ESSAY :
if ($i < 1) {
echo "<tr><td><B>".get_string("jump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("score", "lesson").": <input type=\"text\" name=\"score[$i]\" value=\"1\" size=\"5\">";
}
echo "</td></tr>\n";
}
break;
case LESSON_MATCHING :
if ($i == 2) {
echo "<tr><td><b>".get_string("correctanswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom)
echo get_string("correctanswerscore", "lesson").": <input type=\"text\" name=\"score[$i]\" value=\"$answer->score\" size=\"5\">";
}
if ($i == 3) {
echo "<tr><td><b>".get_string("wronganswerjump", "lesson").":</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", $answer->jumpto, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom)
echo get_string("wronganswerscore", "lesson").": <input type=\"text\" name=\"score[$i]\" value=\"$answer->score\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_TRUEFALSE:
case LESSON_MULTICHOICE:
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
if($lesson->custom) {
echo get_string("score", "lesson")." $iplus1: <input type=\"text\" name=\"score[$i]\" value=\"0\" size=\"5\">";
}
echo "</td></tr>\n";
break;
case LESSON_BRANCHTABLE :
echo "<tr><td><B>".get_string("jump", "lesson")." $iplus1:</b> \n";
lesson_choose_from_menu($jump, "jumpto[$i]", 0, "");
helpbutton("jumpto", get_string("jump", "lesson"), "lesson");
echo "</td></tr>\n";
break;
}
}
}
// close table and form
?>
</table><br />
<input type="button" value="<?php print_string("redisplaypage", "lesson") ?>"
onClick="document.editpage.redisplay.value=1;document.editpage.submit();" />
<input type="submit" value="<?php print_string("savepage", "lesson") ?>" />
<input type="submit" name="cancel" value="<?php print_string("cancel") ?>" />
</center>
</form>
<?PHP
}
/****************** insert page ************************************/
elseif ($action == 'insertpage' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
$timenow = time();
$form = data_submitted();
$newpage = new stdClass;
$newanswer = new stdClass;
if ($form->pageid) {
// the new page is not the first page
if (!$page = get_record("lesson_pages", "id", $form->pageid)) {
error("Insert page: page record not found");
}
$newpage->lessonid = clean_param($lesson->id, PARAM_INT);
$newpage->prevpageid = clean_param($form->pageid, PARAM_INT);
$newpage->nextpageid = clean_param($page->nextpageid, PARAM_INT);
$newpage->timecreated = $timenow;
$newpage->qtype = $form->qtype;
if (isset($form->qoption)) {
$newpage->qoption = clean_param($form->qoption, PARAM_INT);
} else {
$newpage->qoption = 0;
}
/// CDC-FLAG /// 6/16/04
if (isset($form->layout)) {
$newpage->layout = clean_param($form->layout, PARAM_INT);
} else {
$newpage->layout = 0;
}
if (isset($form->display)) {
$newpage->display = clean_param($form->display, PARAM_INT);
} else {
$newpage->display = 0;
}
/// CDC-FLAG ///
$newpage->title = clean_param($form->title, PARAM_CLEAN);
$newpage->contents = clean_param(trim($form->contents), PARAM_CLEANHTML);
$newpageid = insert_record("lesson_pages", $newpage);
if (!$newpageid) {
error("Insert page: new page not inserted");
}
// update the linked list (point the previous page to this new one)
if (!set_field("lesson_pages", "nextpageid", $newpageid, "id", $newpage->prevpageid)) {
error("Insert page: unable to update next link");
}
if ($page->nextpageid) {
// new page is not the last page
if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $page->nextpageid)) {
error("Insert page: unable to update previous link");
}
}
} else {
// new page is the first page
// get the existing (first) page (if any)
if (!$page = get_record_select("lesson_pages", "lessonid = $lesson->id AND prevpageid = 0")) {
// there are no existing pages
$newpage->lessonid = $lesson->id;
$newpage->prevpageid = 0; // this is a first page
$newpage->nextpageid = 0; // this is the only page
$newpage->timecreated = $timenow;
$newpage->qtype = clean_param($form->qtype, PARAM_INT);
if (isset($form->qoption)) {
$newpage->qoption = clean_param($form->qoption, PARAM_INT);
} else {
$newpage->qoption = 0;
}
/// CDC-FLAG /// 6/16/04
if (isset($form->layout)) {
$newpage->layout = clean_param($form->layout, PARAM_INT);
} else {
$newpage->layout = 0;
}
if (isset($form->display)) {
$newpage->display = clean_param($form->display, PARAM_INT);
} else {
$newpage->display = 0;
}
/// CDC-FLAG ///
$newpage->title = clean_param($form->title, PARAM_CLEAN);
$newpage->contents = clean_param(trim($form->contents), PARAM_CLEANHTML);
$newpageid = insert_record("lesson_pages", $newpage);
if (!$newpageid) {
error("Insert page: new first page not inserted");
}
} else {
// there are existing pages put this at the start
$newpage->lessonid = $lesson->id;
$newpage->prevpageid = 0; // this is a first page
$newpage->nextpageid = $page->id;
$newpage->timecreated = $timenow;
$newpage->qtype = clean_param($form->qtype, PARAM_INT);
if (isset($form->qoption)) {
$newpage->qoption = clean_param($form->qoption, PARAM_INT);
} else {
$newpage->qoption = 0;
}
/// CDC-FLAG /// 6/16/04
if (isset($form->layout)) {
$newpage->layout = clean_param($form->layout, PARAM_INT);
} else {
$newpage->layout = 0;
}
if (isset($form->display)) {
$newpage->display = clean_param($form->display, PARAM_INT);
} else {
$newpage->display = 0;
}
/// CDC-FLAG ///
$newpage->title = clean_param($form->title, PARAM_CLEAN);
$newpage->contents = clean_param(trim($form->contents), PARAM_CLEANHTML);
$newpageid = insert_record("lesson_pages", $newpage);
if (!$newpageid) {
error("Insert page: first page not inserted");
}
// update the linked list
if (!set_field("lesson_pages", "prevpageid", $newpageid, "id", $newpage->nextpageid)) {
error("Insert page: unable to update link");
}
}
}
// now add the answers
/// CDC-FLAG 6/16/04 added new code to handle essays
if ($form->qtype == LESSON_ESSAY) {
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
if (isset($form->jumpto[0])) {
$newanswer->jumpto = clean_param($form->jumpto[0], PARAM_INT);
}
if (isset($form->score[0])) {
$newanswer->score = clean_param($form->score[0], PARAM_INT);
}
$newanswerid = insert_record("lesson_answers", $newanswer);
if (!$newanswerid) {
error("Insert Page: answer record not inserted");
}
} else {
if ($form->qtype == LESSON_MATCHING) {
// need to add two to offset correct response and wrong response
$lesson->maxanswers = $lesson->maxanswers + 2;
}
for ($i = 0; $i < $lesson->maxanswers; $i++) {
if (trim(strip_tags($form->answer[$i]))) { // strip_tags because the HTML editor adds <p><br />...
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
$newanswer->answer = clean_param(trim($form->answer[$i]), PARAM_CLEANHTML);
if (isset($form->response[$i])) {
$newanswer->response = clean_param(trim($form->response[$i]), PARAM_CLEANHTML);
}
if (isset($form->jumpto[$i])) {
$newanswer->jumpto = clean_param($form->jumpto[$i], PARAM_INT);
}
/// CDC-FLAG ///
if ($lesson->custom) {
if (isset($form->score[$i])) {
$newanswer->score = clean_param($form->score[$i], PARAM_INT);
}
}
/// CDC-FLAG ///
$newanswerid = insert_record("lesson_answers", $newanswer);
if (!$newanswerid) {
error("Insert Page: answer record $i not inserted");
}
} else {
if ($form->qtype == LESSON_MATCHING) {
if ($i < 2) {
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $newpageid;
$newanswer->timecreated = $timenow;
$newanswerid = insert_record("lesson_answers", $newanswer);
if (!$newanswerid) {
error("Insert Page: answer record $i not inserted");
}
}
} else {
break;
}
}
}
}
/// CDC-FLAG ///
redirect("view.php?id=$cm->id", get_string('insertedpage', 'lesson'));
}
/****************** move ************************************/
elseif ($action == 'move') {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
$pageid = required_param('pageid', PARAM_INT);
$title = get_field("lesson_pages", "title", "id", $pageid);
print_heading(get_string("moving", "lesson", $title));
if (!$page = get_record_select("lesson_pages", "lessonid = $lesson->id AND prevpageid = 0")) {
error("Move: first page not found");
}
echo "<center><table cellpadding=\"5\" border=\"1\">\n";
echo "<tr><td><a href=\"lesson.php?id=$cm->id&amp;sesskey=".$USER->sesskey."&amp;action=moveit&amp;pageid=$pageid&amp;after=0\"><small>".
get_string("movepagehere", "lesson")."</small></a></td></tr>\n";
while (true) {
if ($page->id != $pageid) {
if (!$title = trim($page->title)) {
$title = "<< ".get_string("notitle", "lesson")." >>";
}
echo "<tr><td><b>$title</b></td></tr>\n";
echo "<tr><td><a href=\"lesson.php?id=$cm->id&amp;sesskey=".$USER->sesskey."&amp;action=moveit&amp;pageid=$pageid&amp;after={$page->id}\"><small>".
get_string("movepagehere", "lesson")."</small></a></td></tr>\n";
}
if ($page->nextpageid) {
if (!$page = get_record("lesson_pages", "id", $page->nextpageid)) {
error("Teacher view: Next page not found!");
}
} else {
// last page reached
break;
}
}
echo "</table>\n";
}
/****************** moveit ************************************/
elseif ($action == 'moveit') {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
$pageid = required_param('pageid', PARAM_INT); // page to move
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Moveit: page not found");
}
$after = required_param('after', PARAM_INT); // target page
print_heading(get_string("moving", "lesson", $page->title));
// first step. determine the new first page
// (this is done first as the current first page will be lost in the next step)
if (!$after) {
// the moved page is the new first page
$newfirstpageid = $pageid;
// reset $after so that is points to the last page
// (when the pages are in a ring this will in effect be the first page)
if ($page->nextpageid) {
if (!$after = get_field("lesson_pages", "id", "lessonid", $lesson->id, "nextpageid", 0)) {
error("Moveit: last page id not found");
}
} else {
// the page being moved is the last page, so the new last page will be
$after = $page->prevpageid;
}
} elseif (!$page->prevpageid) {
// the page to be moved was the first page, so the following page must be the new first page
$newfirstpageid = $page->nextpageid;
} else {
// the current first page remains the first page
if (!$newfirstpageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Moveit: current first page id not found");
}
}
// the rest is all unconditional...
// second step. join pages into a ring
if (!$firstpageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Moveit: firstpageid not found");
}
if (!$lastpageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "nextpageid", 0)) {
error("Moveit: lastpage not found");
}
if (!set_field("lesson_pages", "prevpageid", $lastpageid, "id", $firstpageid)) {
error("Moveit: unable to update link");
}
if (!set_field("lesson_pages", "nextpageid", $firstpageid, "id", $lastpageid)) {
error("Moveit: unable to update link");
}
// third step. remove the page to be moved
if (!$prevpageid = get_field("lesson_pages", "prevpageid", "id", $pageid)) {
error("Moveit: prevpageid not found");
}
if (!$nextpageid = get_field("lesson_pages", "nextpageid", "id", $pageid)) {
error("Moveit: nextpageid not found");
}
if (!set_field("lesson_pages", "nextpageid", $nextpageid, "id", $prevpageid)) {
error("Moveit: unable to update link");
}
if (!set_field("lesson_pages", "prevpageid", $prevpageid, "id", $nextpageid)) {
error("Moveit: unable to update link");
}
// fourth step. insert page to be moved in new place...
if (!$nextpageid = get_field("lesson_pages", "nextpageid", "id", $after)) {
error("Movit: nextpageid not found");
}
if (!set_field("lesson_pages", "nextpageid", $pageid, "id", $after)) {
error("Moveit: unable to update link");
}
if (!set_field("lesson_pages", "prevpageid", $pageid, "id", $nextpageid)) {
error("Moveit: unable to update link");
}
// ...and set the links in the moved page
if (!set_field("lesson_pages", "prevpageid", $after, "id", $pageid)) {
error("Moveit: unable to update link");
}
if (!set_field("lesson_pages", "nextpageid", $nextpageid, "id", $pageid)) {
error("Moveit: unable to update link");
}
// fifth step. break the ring
if (!$newlastpageid = get_field("lesson_pages", "prevpageid", "id", $newfirstpageid)) {
error("Moveit: newlastpageid not found");
}
if (!set_field("lesson_pages", "prevpageid", 0, "id", $newfirstpageid)) {
error("Moveit: unable to update link");
}
if (!set_field("lesson_pages", "nextpageid", 0, "id", $newlastpageid)) {
error("Moveit: unable to update link");
}
redirect("view.php?id=$cm->id", get_string('movedpage', 'lesson'));
}
/****************** update page ************************************/
elseif ($action == 'updatepage' ) {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
confirm_sesskey();
$timenow = time();
$form = data_submitted();
$page = new stdClass;
$page->id = clean_param($form->pageid, PARAM_INT);
$page->timemodified = $timenow;
$page->qtype = clean_param($form->qtype, PARAM_INT);
if (isset($form->qoption)) {
$page->qoption = clean_param($form->qoption, PARAM_INT);
} else {
$page->qoption = 0;
}
/// CDC-FLAG /// 6/16/04
if (isset($form->layout)) {
$page->layout = clean_param($form->layout, PARAM_INT);
} else {
$page->layout = 0;
}
if (isset($form->display)) {
$page->display = clean_param($form->display, PARAM_INT);
} else {
$page->display = 0;
}
/// CDC-FLAG ///
$page->title = clean_param($form->title, PARAM_CLEAN);
$page->contents = clean_param(trim($form->contents), PARAM_CLEANHTML);
if (!update_record("lesson_pages", $page)) {
error("Update page: page not updated");
}
if ($page->qtype == LESSON_ENDOFBRANCH || $page->qtype == LESSON_ESSAY || $page->qtype == LESSON_CLUSTER || $page->qtype == LESSON_ENDOFCLUSTER) {
// there's just a single answer with a jump
$oldanswer = new stdClass;
$oldanswer->id = $form->answerid[0];
$oldanswer->timemodified = $timenow;
$oldanswer->jumpto = clean_param($form->jumpto[0], PARAM_INT);
if (isset($form->score[0])) {
$oldanswer->score = clean_param($form->score[0], PARAM_INT);
}
// delete other answers this if mainly for essay questions. If one switches from using a qtype like Multichoice,
// then switches to essay, the old answers need to be removed because essay is
// supposed to only have one answer record
if ($answers = get_records_select("lesson_answers", "pageid = ".$page->id)) {
foreach ($answers as $answer) {
if ($answer->id != clean_param($form->answerid[0], PARAM_INT)) {
if (!delete_records("lesson_answers", "id", $answer->id)) {
error("Update page: unable to delete answer record");
}
}
}
}
if (!update_record("lesson_answers", $oldanswer)) {
error("Update page: EOB not updated");
}
} else {
// it's an "ordinary" page
if ($page->qtype == LESSON_MATCHING) {
// need to add two to offset correct response and wrong response
$lesson->maxanswers = $lesson->maxanswers + 2;
}
for ($i = 0; $i < $lesson->maxanswers; $i++) {
// strip tags because the editor gives <p><br />...
// also save any answers where the editor is (going to be) used
if (trim(strip_tags($form->answer[$i])) or $form->answereditor[$i] or $form->responseeditor[$i]) {
if ($form->answerid[$i]) {
$oldanswer = new stdClass;
$oldanswer->id = clean_param($form->answerid[$i], PARAM_INT);
$oldanswer->flags = clean_param($form->answereditor[$i], PARAM_INT) * LESSON_ANSWER_EDITOR +
clean_param($form->responseeditor[$i], PARAM_INT) * LESSON_RESPONSE_EDITOR;
$oldanswer->timemodified = $timenow;
$oldanswer->answer = clean_param(trim($form->answer[$i]), PARAM_CLEANHTML);
if (isset($form->response[$i])) {
$oldanswer->response = clean_param(trim($form->response[$i]), PARAM_CLEANHTML);
}
$oldanswer->jumpto = clean_param($form->jumpto[$i], PARAM_INT);
/// CDC-FLAG ///
if ($lesson->custom) {
$oldanswer->score = clean_param($form->score[$i], PARAM_INT);
}
/// CDC-FLAG ///
if (!update_record("lesson_answers", $oldanswer)) {
error("Update page: answer $i not updated");
}
} else {
// it's a new answer
$newanswer = new stdClass; // need to clear id if more than one new answer is ben added
$newanswer->lessonid = $lesson->id;
$newanswer->pageid = $page->id;
$newanswer->flags = clean_param($form->answereditor[$i], PARAM_INT) * LESSON_ANSWER_EDITOR +
clean_param($form->responseeditor[$i], PARAM_INT) * LESSON_RESPONSE_EDITOR;
$newanswer->timecreated = $timenow;
$newanswer->answer = clean_param(trim($form->answer[$i]), PARAM_CLEANHTML);
if (isset($form->response[$i])) {
$newanswer->response = clean_param(trim($form->response[$i]), PARAM_CLEANHTML);
}
$newanswer->jumpto = clean_param($form->jumpto[$i], PARAM_INT);
/// CDC-FLAG ///
$newanswer->score = clean_param($form->score[$i], PARAM_INT);
/// CDC-FLAG ///
$newanswerid = insert_record("lesson_answers", $newanswer);
if (!$newanswerid) {
error("Update page: answer record not inserted");
}
}
} else {
if ($form->qtype == LESSON_MATCHING) {
if ($i >= 2) {
if ($form->answerid[$i]) {
// need to delete blanked out answer
if (!delete_records("lesson_answers", "id", clean_param($form->answerid[$i], PARAM_INT))) {
error("Update page: unable to delete answer record");
}
}
} else {
$oldanswer = new stdClass;
$oldanswer->id = clean_param($form->answerid[$i], PARAM_INT);
$oldanswer->flags = clean_param($form->answereditor[$i], PARAM_INT) * LESSON_ANSWER_EDITOR +
clean_param($form->responseeditor[$i], PARAM_INT) * LESSON_RESPONSE_EDITOR;
$oldanswer->timemodified = $timenow;
$oldanswer->answer = NULL;
if (!update_record("lesson_answers", $oldanswer)) {
error("Update page: answer $i not updated");
}
}
} elseif ($form->answerid[$i]) {
// need to delete blanked out answer
if (!delete_records("lesson_answers", "id", clean_param($form->answerid[$i], PARAM_INT))) {
error("Update page: unable to delete answer record");
}
}
}
}
}
if ($form->redisplay) {
redirect("lesson.php?id=$cm->id&amp;action=editpage&amp;pageid=$page->id");
} else {
redirect("view.php?id=$cm->id", get_string('updatedpage', 'lesson'));
}
}
/*************** no man's land **************************************/
else {
error("Fatal Error: Unknown Action: ".$action."\n");
}
print_footer($course);
?>