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<?PHP // $Id: view.php,v 1.16.2.2 2004/09/19 14:00:00 moodler Exp $
/// This page prints a particular instance of lesson
/// (Replace lesson with the name of your module)
require_once("../../config.php");
require_once("lib.php");
require_variable($id); // Course Module ID
optional_variable($pageid); // Lesson Page ID
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);
/// Print the page header
$strlessons = get_string("modulenameplural", "lesson");
$strlesson = get_string("modulename", "lesson");
print_header_simple("$lesson->name", "",
"<A HREF=index.php?id=$course->id>$strlessons</A> -> <a href=\"view.php?id=$cm->id\">$lesson->name</a>",
"", "", true, update_module_button($cm->id, $course->id, $strlesson),
navmenu($course, $cm));
// set up some general variables
$usehtmleditor = can_use_html_editor();
$path = "$CFG->wwwroot/course";
if (empty($THEME->custompix)) {
$pixpath = "$path/../pix";
} else {
$pixpath = "$path/../theme/$CFG->theme/pix";
}
if (empty($action)) {
if (isteacher($course->id)) {
$action = 'teacherview';
} else {
$action = 'navigation';
}
}
$formatoptions = NULL;
$formatoptions->noclean = true; // Don't clean text
$formatoptions->para = false; // no <p></p>
/************** navigation **************************************/
if ($action == 'navigation') {
// display individual pages and their sets of answers
// if pageid is EOL then the end of the lesson has been reached
print_heading($lesson->name);
if (empty($pageid)) {
add_to_log($course->id, "lesson", "start", "view.php?id=$cm->id", "$lesson->id", $cm->id);
// if no pageid given see if the lesson has been started
if ($grades = get_records_select("lesson_grades", "lessonid = $lesson->id AND userid = $USER->id",
"grade DESC")) {
$retries = count($grades);
} else {
$retries = 0;
}
if ($retries) {
print_heading(get_string("attempt", "lesson", $retries + 1));
}
// if there are any questions have been answered correctly in this attempt
if ($attempts = get_records_select("lesson_attempts",
"lessonid = $lesson->id AND userid = $USER->id AND retry = $retries AND
correct = 1", "timeseen DESC")) {
// get the first page
if (!$firstpageid = get_field("lesson_pages", "id", "lessonid", $lesson->id,
"prevpageid", 0)) {
error("Navigation: first page not found");
}
foreach ($attempts as $attempt) {
$jumpto = get_field("lesson_answers", "jumpto", "id", $attempt->answerid);
// convert the jumpto to a proper page id
if ($jumpto == 0) { // unlikely value!
$lastpageseen = $attempt->pageid;
} elseif ($jumpto == LESSON_NEXTPAGE) {
if (!$lastpageseen = get_field("lesson_pages", "nextpageid", "id",
$attempt->pageid)) {
// no nextpage go to end of lesson
$lastpageseen = LESSON_EOL;
}
} else {
$lastpageseen = $jumpto;
}
break; // only look at the latest correct attempt
}
if ($lastpageseen != $firstpageid) {
echo "<form name=\"queryform\" method =\"post\" action=\"view.php\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"navigation\">\n";
echo "<input type=\"hidden\" name=\"pageid\">\n";
print_simple_box("<p align=\"center\">".get_string("youhaveseen","lesson")."</p>",
"center");
echo "<p align=\"center\"><input type=\"button\" value=\"".get_string("yes").
"\" onclick=\"document.queryform.pageid.value='$lastpageseen';document.queryform.submit();\"> <input type=\"button\" value=\"".get_string("no").
"\" onclick=\"document.queryform.pageid.value='$firstpageid';document.queryform.submit();\"></p>\n";
echo "</form>\n";
print_footer($course);
exit();
}
}
if ($grades) {
foreach ($grades as $grade) {
$bestgrade = $grade->grade;
break;
}
if (!$lesson->retake) {
redirect("../../course/view.php?id=$course->id", get_string("alreadytaken", "lesson"));
// allow student to retake course even if they have the maximum grade
// } elseif ($bestgrade == 100) {
// redirect("../../course/view.php?id=$course->id", get_string("maximumgradeachieved",
// "lesson"));
}
}
// start at the first page
if (!$pageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Navigation: first page not found");
}
}
if ($pageid != LESSON_EOL) {
add_to_log($course->id, "lesson", "view", "view.php?id=$cm->id", "$pageid", $cm->id);
if (!$page = get_record("lesson_pages", "id", $pageid)) {
error("Navigation: the page record not found");
}
// before we output everything check to see if the page is a EOB, if so jump directly
// to it's associated branch table
if ($page->qtype == LESSON_ENDOFBRANCH) {
if ($answers = get_records("lesson_answers", "pageid", $page->id, "id")) {
// print_heading(get_string("endofbranch", "lesson"));
foreach ($answers as $answer) {
// just need the first answer
redirect("view.php?id=$cm->id&action=navigation&pageid=$answer->jumpto",
get_string("endofbranch", "lesson"));
break;
}
print_footer($course);
exit();
} else {
error("Navigation: No answers on EOB");
}
}
// it's not a EOB process it...
echo "<table align=\"center\" width=\"80%\" border=\"0\"><tr><td>\n";
if ($page->qtype == LESSON_BRANCHTABLE) {
if ($lesson->minquestions and isstudent($course->id)) {
// tell student how many questions they have seen, how many are required and their grade
$ntries = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
$nviewed = count_records("lesson_attempts", "lessonid", $lesson->id, "userid",
$USER->id, "retry", $ntries);
if ($nviewed) {
echo "<p align=\"center\">".get_string("numberofpagesviewed", "lesson", $nviewed).
"; (".get_string("youshouldview", "lesson", $lesson->minquestions).")<br />";
// count the number of distinct correct pages
if ($correctpages = get_records_select("lesson_attempts", "lessonid = $lesson->id
AND userid = $USER->id AND retry = $ntries AND correct = 1")) {
foreach ($correctpages as $correctpage) {
$temp[$correctpage->pageid] = 1;
}
$ncorrect = count($temp);
} else {
$nccorrect = 0;
}
if ($nviewed < $lesson->minquestions) {
$nviewed = $lesson->minquestions;
}
echo get_string("numberofcorrectanswers", "lesson", $ncorrect)."<br />\n";
$thegrade = intval(100 * $ncorrect / $nviewed);
echo get_string("yourcurrentgradeis", "lesson",
number_format($thegrade * $lesson->grade / 100, 1)).
" (".get_string("outof", "lesson", $lesson->grade).")</p>\n";
}
}
}
print_heading($page->title);
print_simple_box(format_text($page->contents, FORMAT_HTML, $formatoptions), 'center');
echo "<br />\n";
// get the answers in a set order, the id order
if ($answers = get_records("lesson_answers", "pageid", $page->id, "id")) {
echo "<form name=\"answerform\" method =\"post\" action=\"lesson.php\">";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">";
echo "<input type=\"hidden\" name=\"action\" value=\"continue\">";
echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\">";
print_simple_box_start("center");
echo '<table width="100%">';
switch ($page->qtype) {
case LESSON_SHORTANSWER :
case LESSON_NUMERICAL :
echo "<tr><td align=\"center\">".get_string("youranswer", "lesson").
": <input type=\"text\" name=\"answer\" size=\"50\" maxlength=\"200\">\n";
echo '</table>';
print_simple_box_end();
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("pleaseenteryouranswerinthebox", "lesson")."\"></p>\n";
break;
case LESSON_TRUEFALSE :
shuffle($answers);
foreach ($answers as $answer) {
echo "<tr><td>";
echo "<input type=\"radio\" name=\"answerid\" value=\"{$answer->id}\">";
echo "</td><td>";
echo format_text(trim($answer->answer), FORMAT_MOODLE, $formatoptions);
echo "</td></tr>";
}
echo '</table>';
print_simple_box_end();
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("pleasecheckoneanswer", "lesson")."\"></p>\n";
break;
case LESSON_MULTICHOICE :
$i = 0;
shuffle($answers);
foreach ($answers as $answer) {
echo "<tr><td>";
if ($page->qoption) {
// more than one answer allowed
echo "<input type=\"checkbox\" name=\"answer[$i]\" value=\"{$answer->id}\">";
} else {
// only one answer allowed
echo "<input type=\"radio\" name=\"answerid\" value=\"{$answer->id}\">";
}
echo "</td><td>";
echo format_text(trim($answer->answer), FORMAT_MOODLE, $formatoptions);
echo "</td></tr>";
$i++;
}
echo '</table>';
print_simple_box_end();
if ($page->qoption) {
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("pleasecheckoneormoreanswers", "lesson")."\"></p>\n";
} else {
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("pleasecheckoneanswer", "lesson")."\"></p>\n";
}
break;
case LESSON_MATCHING :
echo "<tr><td><table width=\"100%\">";
// don't suffle answers (could be an option??)
foreach ($answers as $answer) {
// get all the responses
$responses[] = trim($answer->response);
}
shuffle($responses);
foreach ($answers as $answer) {
echo "<tr><td align=\"right\">";
echo "<b>$answer->answer: </b></td><td>";
echo "<select name=\"response[$answer->id]\">";
echo "<option value=\"0\" selected=\"selected\">Choose...</option>";
foreach ($responses as $response) {
echo "<option value=\"$response\">$response</option>";
}
echo "</select>";
echo "</td></tr>";
}
echo '</table></table>';
print_simple_box_end();
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("pleasematchtheabovepairs", "lesson")."\"></p>\n";
break;
case LESSON_BRANCHTABLE :
echo "<tr><td><table width=\"100%\">";
echo "<input type=\"hidden\" name=\"jumpto\">";
// don't suffle answers
foreach ($answers as $answer) {
echo "<tr><td align=\"center\">";
echo "<input type=\"button\" value=\"$answer->answer\"";
echo "onclick=\"document.answerform.jumpto.value=$answer->jumpto;document.answerform.submit();\">";
echo "</td></tr>";
}
echo '</table></table>';
print_simple_box_end();
break;
}
echo "</form>\n";
} else {
// a page without answers - find the next (logical) page
echo "<form name=\"pageform\" method =\"post\" action=\"view.php\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"navigation\">\n";
if ($lesson->nextpagedefault) {
// in Flash Card mode...
// ...first get number of retakes
$nretakes = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
// ...then get the page ids (lessonid the 5th param is needed to make get_records play)
$allpages = get_records("lesson_pages", "lessonid", $lesson->id, "id", "id,lessonid");
shuffle ($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 (!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 {
$newpageid = LESSON_EOL;
}
} else {
// in normal lesson mode...
if (!$newpageid = get_field("lesson_pages", "nextpageid", "id", $pageid)) {
// this is the last page - flag end of lesson
$newpageid = LESSON_EOL;
}
}
echo "<input type=\"hidden\" name=\"pageid\" value=\"$newpageid\">\n";
echo "<p align=\"center\"><input type=\"submit\" name=\"continue\" value=\"".
get_string("continue", "lesson")."\"></p>\n";
echo "</form>\n";
}
echo "</table>\n";
} else {
// end of lesson reached work out grade
add_to_log($course->id, "lesson", "end", "view.php?id=$cm->id", "$lesson->id", $cm->id);
print_heading(get_string("congratulations", "lesson"));
print_simple_box_start("center");
$ntries = count_records("lesson_grades", "lessonid", $lesson->id, "userid", $USER->id);
if (isstudent($course->id)) {
if ($nviewed = count_records("lesson_attempts", "lessonid", $lesson->id, "userid",
$USER->id, "retry", $ntries)) {
// count the number of distinct correct pages
if ($correctpages = get_records_select("lesson_attempts", "lessonid = $lesson->id AND
userid = $USER->id AND retry = $ntries AND correct = 1")) {
foreach ($correctpages as $correctpage) {
$temp[$correctpage->pageid] = 1;
}
$ncorrect = count($temp);
} else {
$ncorrect = 0;
}
echo "<p align=\"center\">".get_string("numberofpagesviewed", "lesson", $nviewed).
"</p>\n";
if ($lesson->minquestions) {
if ($nviewed < $lesson->minquestions) {
// print a warning and set nviewed to minquestions
echo "<p align=\"center\">".get_string("youshouldview", "lesson",
$lesson->minquestions)." ".get_string("pages", "lesson")."</p>\n";
$nviewed = $lesson->minquestions;
}
}
echo "<p align=\"center\">".get_string("numberofcorrectanswers", "lesson", $ncorrect).
"</p>\n";
$thegrade = intval(100 * $ncorrect / $nviewed);
echo "<p align=\"center\">".get_string("gradeis", "lesson",
number_format($thegrade * $lesson->grade / 100, 1)).
" (".get_string("outof", "lesson", $lesson->grade).")</p>\n";
$grade->lessonid = $lesson->id;
$grade->userid = $USER->id;
$grade->grade = $thegrade;
$grade->completed = time();
if (!$newgradeid = insert_record("lesson_grades", $grade)) {
error("Navigation: grade not inserted");
}
} else {
print_string("noattemptrecordsfound", "lesson");
$thegrade = 0;
}
} else {
// display for teacher
echo "<p align=\"center\">".get_string("displayofgrade", "lesson")."</p>\n";
}
print_simple_box_end();
print_continue("../../course/view.php?id=$course->id");
}
}
/*******************teacher view **************************************/
elseif ($action == 'teacherview') {
print_heading_with_help(strip_tags($lesson->name), "overview", "lesson");
// get number of pages
if ($page = get_record_select("lesson_pages", "lessonid = $lesson->id AND prevpageid = 0")) {
$npages = 1;
while (true) {
if ($page->nextpageid) {
if (!$page = get_record("lesson_pages", "id", $page->nextpageid)) {
error("Teacher view: Next page not found!");
}
} else {
// last page reached
break;
}
$npages++;
}
}
if (!$page = get_record_select("lesson_pages", "lessonid = $lesson->id AND prevpageid = 0")) {
// if there are no pages give teacher a blank proforma
?>
<form name="form" method="post" action="lesson.php">
<input type="hidden" name="id" value="<?PHP echo $cm->id ?>">
<input type="hidden" name="action" value="insertpage">
<input type="hidden" name="pageid" value="0">
<center><table cellpadding=5 border=1>
<tr><td align="center">
<tr valign="top">
<td><p><b><?php print_string("pagetitle", "lesson"); ?>:</b></p></td></tr>
<tr><td><input type="text" name="title" size="80" maxsize="255" value=""></td></tr>
<?PHP
echo "<tr><td><b>";
echo get_string("pagecontents", "lesson").":</b><br />\n";
print_textarea($usehtmleditor, 25, 70, 630, 400, "contents");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("questiontype", "lesson").":</b> \n";
choose_from_menu($LESSON_QUESTION_TYPE, "qtype", LESSON_MULTICHOICE, "");
helpbutton("questiontypes", get_string("questiontype", "lesson"), "lesson");
echo "<br /><b>".get_string("questionoption", "lesson").":</b>\n";
echo " <input type=\"checkbox\" name=\"qoption\" value=\"1\"/>";
helpbutton("questionoption", get_string("questionoption", "lesson"), "lesson");
echo "</td></tr>\n";
for ($i = 0; $i < $lesson->maxanswers; $i++) {
$iplus1 = $i + 1;
echo "<tr><td><b>".get_string("answer", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 100, "answer[$i]");
echo "</td></tr>\n";
echo "<tr><td><b>".get_string("response", "lesson")." $iplus1:</b><br />\n";
print_textarea(false, 6, 70, 630, 100, "response[$i]");
echo "</td></tr>\n";
if ($i) {
// answers 2,3,4... jump to this page
echo "<input type=\"hidden\" name=\"jumpto[$i]\" value =\"0\">\n";
} else {
// answer 1 jumps to next page
echo "<input type=\"hidden\" name=\"jumpto[$i]\" value =\"".LESSON_NEXTPAGE."\">\n";
}
}
// close table and form
?>
</table><br />
<input type="submit" value="<?php print_string("savepage", "lesson") ?>">
<input type="submit" name="cancel" value="<?php print_string("cancel") ?>">
</center>
</form>
<?PHP
use_html_editor("contents"); // Lets give IE more time load the page before replacing textarea.
// show import link
print_heading("<a href=\"import.php?id=$cm->id&pageid=0\">".get_string("importquestions",
"lesson")."</a>\n");
} else {
// print the pages
echo "<form name=\"lessonpages\" method=\"post\" action=\"view.php\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"navigation\">\n";
echo "<input type=\"hidden\" name=\"pageid\">\n";
echo "<center><table cellpadding=\"5\" border=\"0\" width=\"80%\">\n";
if (isteacheredit($course->id)) {
echo "<tr><td align=\"right\"><small><a href=\"import.php?id=$cm->id&pageid=0\">".
get_string("importquestions", "lesson")."</a> | ".
"<a href=\"lesson.php?id=$cm->id&action=addbranchtable&pageid=0\">".
get_string("addabranchtable", "lesson")."</a> | ".
"<a href=\"lesson.php?id=$cm->id&action=addpage&pageid=0\">".
get_string("addaquestionpage", "lesson")." ".get_string("here","lesson").
"</a></small></td></tr>\n";
}
echo "<tr><td>\n";
while (true) {
echo "<table width=\"100%\" border=\"1\"><tr><td bgcolor=\"$THEME->cellheading2\" colspan=\"2\"><b>$page->title</b> \n";
if (isteacheredit($course->id)) {
if ($npages > 1) {
echo "<a title=\"".get_string("move")."\" href=\"lesson.php?id=$cm->id&action=move&pageid=$page->id\">\n".
"<img src=\"$pixpath/t/move.gif\" hspace=\"2\" height=11 width=11 border=0></a>\n";
}
echo "<a title=\"".get_string("update")."\" href=\"lesson.php?id=$cm->id&action=editpage&pageid=$page->id\">\n".
"<img src=\"$pixpath/t/edit.gif\" hspace=\"2\" height=11 width=11 border=0></a>\n".
"<a title=\"".get_string("delete")."\" href=\"lesson.php?id=$cm->id&action=confirmdelete&pageid=$page->id\">\n".
"<img src=\"$pixpath/t/delete.gif\" hspace=\"2\" height=11 width=11 border=0></a>\n";
}
echo "</td></tr>\n";
echo "<tr><td colspan=\"2\">\n";
print_simple_box(format_text($page->contents, FORMAT_HTML, $formatoptions), 'center');
echo "</td></tr>\n";
// get the answers in a set order, the id order
if ($answers = get_records("lesson_answers", "pageid", $page->id, "id")) {
echo "<tr><td bgcolor=\"$THEME->cellheading2\" colspan=\"2\" align=\"center\"><b>\n";
switch ($page->qtype) {
case LESSON_SHORTANSWER :
echo $LESSON_QUESTION_TYPE[$page->qtype];
if ($page->qoption) {
echo " - ".get_string("casesensitive", "lesson");
}
break;
case LESSON_MULTICHOICE :
echo $LESSON_QUESTION_TYPE[$page->qtype];
if ($page->qoption) {
echo " - ".get_string("multianswer", "lesson");
}
break;
case LESSON_MATCHING :
echo $LESSON_QUESTION_TYPE[$page->qtype];
if (!lesson_iscorrect($page->id, $answer->jumpto)) {
echo " - ".get_string("firstanswershould", "lesson");
}
break;
case LESSON_TRUEFALSE :
case LESSON_NUMERICAL :
echo $LESSON_QUESTION_TYPE[$page->qtype];
break;
case LESSON_BRANCHTABLE :
echo get_string("branchtable", "lesson");
break;
case LESSON_ENDOFBRANCH :
echo get_string("endofbranch", "lesson");
break;
}
echo "</td></tr>\n";
$i = 1;
foreach ($answers as $answer) {
switch ($page->qtype) {
case LESSON_MULTICHOICE:
case LESSON_TRUEFALSE:
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
case LESSON_MATCHING:
echo "<tr><td bgcolor=\"$THEME->cellheading2\" align=\"right\" valign=\"top\" width=\"20%\">\n";
if (lesson_iscorrect($page->id, $answer->jumpto)) {
// underline correct answers
echo "<b><u>".get_string("answer", "lesson")." $i:</u></b> \n";
} else {
echo "<b>".get_string("answer", "lesson")." $i:</b> \n";
}
echo "</td><td width=\"80%\">\n";
echo format_text($answer->answer);
echo "</td></tr>\n";
echo "<tr><td align=\"right\" valign=\"top\"><b>".get_string("response", "lesson")." $i:</b> \n";
echo "</td><td>\n";
echo format_text($answer->response);
echo "</td></tr>\n";
break;
case LESSON_BRANCHTABLE:
echo "<tr><td align=\"right\" valign=\"top\" width=\"20%\">\n";
echo "<b>".get_string("description", "lesson")." $i:</b> \n";
echo "</td><td width=\"80%\">\n";
echo format_text($answer->answer);
echo "</td></tr>\n";
break;
}
if ($answer->jumpto == 0) {
$jumptitle = get_string("thispage", "lesson");
} elseif ($answer->jumpto == LESSON_NEXTPAGE) {
$jumptitle = get_string("nextpage", "lesson");
} elseif ($answer->jumpto == LESSON_EOL) {
$jumptitle = get_string("endoflesson", "lesson");
} else {
if (!$jumptitle = get_field("lesson_pages", "title", "id", $answer->jumpto)) {
$jumptitle = "<b>".get_string("notdefined", "lesson")."</b>";
}
}
echo "<tr><td align=\"right\" width=\"20%\"><b>".get_string("jump", "lesson")." $i:";
echo "</b></td><td width=\"80%\">\n";
echo "$jumptitle</td></tr>\n";
$i++;
}
// print_simple_box_end();
echo "<tr><td bgcolor=\"$THEME->cellheading2\" colspan=\"2\" align=\"center\">";
if ($page->qtype != LESSON_ENDOFBRANCH) {
echo "<input type=\"button\" value=\"";
if ($page->qtype == LESSON_BRANCHTABLE) {
echo get_string("checkbranchtable", "lesson");
} else {
echo get_string("checkquestion", "lesson");
}
echo "\" onclick=\"document.lessonpages.pageid.value=$page->id;".
"document.lessonpages.submit();\">";
}
echo " </td></tr>\n";
}
echo "</td></tr></table></td></tr>\n";
if (isteacheredit($course->id)) {
echo "<tr><td align=\"right\"><small><a href=\"import.php?id=$cm->id&pageid=$page->id\">".
get_string("importquestions", "lesson")."</a> | ".
"<a href=\"lesson.php?id=$cm->id&action=addbranchtable&pageid=$page->id\">".
get_string("addabranchtable", "lesson")."</a> | ";
// the current page or the next page is an end of branch don't show EOB link
$nextqtype = 0; // set to anything else EOB
if ($page->nextpageid) {
$nextqtype = get_field("lesson_pages", "qtype", "id", $page->nextpageid);
}
if (($page->qtype != LESSON_ENDOFBRANCH) and ($nextqtype != LESSON_ENDOFBRANCH)) {
echo "<a href=\"lesson.php?id=$cm->id&action=addendofbranch&pageid=$page->id\">".
get_string("addanendofbranch", "lesson")."</a> | ";
}
echo "<a href=\"lesson.php?id=$cm->id&action=addpage&pageid=$page->id\">".
get_string("addaquestionpage", "lesson")." ".get_string("here","lesson").
"</a></small></td></tr>\n";
}
echo "<tr><td>\n";
// check the prev links - fix (silently) if necessary - there was a bug in
// versions 1 and 2 when add new pages. Not serious then as the backwards
// links were not used in those versions
if (isset($prevpageid)) {
if ($page->prevpageid != $prevpageid) {
// fix it
set_field("lesson_pages", "prevpageid", $prevpageid, "id", $page->id);
if ($CFG->debug) {
echo "<p>***prevpageid of page $page->id set to $prevpageid***";
}
}
}
$prevpageid = $page->id;
// move to next page
if ($page->nextpageid) {
if (!$page = get_record("lesson_pages", "id", $page->nextpageid)) {
error("Teacher view: Next page not found!");
}
} else {
// last page reached
break;
}
}
echo "</table></form>\n";
print_heading("<a href=\"view.php?id=$cm->id&action=navigation\">".get_string("checknavigation",
"lesson")."</a>\n");
}
}
/*************** no man's land **************************************/
else {
error("Fatal Error: Unknown Action: ".$action."\n");
}
/// Finish the page
print_footer($course);
?>
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