moodler
aac94fd0cc
that tells us how far to indent the activity when it is displayed. This gives us some more flexibility on the course outline to arrange things as we might like them, into subtopics etc Backup/restore is updated as well. There is also a bit more robustness in course/mod.php
476 lines
16 KiB
PHP
476 lines
16 KiB
PHP
<?PHP // $Id$
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// Moves, adds, updates or deletes modules in a course
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require("../config.php");
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require("lib.php");
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require_login();
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if (isset($SESSION->modform)) { // Variables are stored in the session
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$mod = $SESSION->modform;
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unset($SESSION->modform);
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} else {
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$mod = (object)$_POST;
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}
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if (isset($cancel)) {
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if (!empty($SESSION->returnpage)) {
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$return = $SESSION->returnpage;
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unset($SESSION->returnpage);
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redirect($return);
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} else {
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redirect("view.php?id=$mod->course");
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}
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}
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if (isset($_POST["course"])) { // add or update form submitted
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if (!isteacheredit($mod->course)) {
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error("You can't modify this course!");
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}
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$modlib = "../mod/$mod->modulename/lib.php";
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if (file_exists($modlib)) {
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include_once($modlib);
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} else {
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error("This module is missing important code! ($modlib)");
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}
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$addinstancefunction = $mod->modulename."_add_instance";
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$updateinstancefunction = $mod->modulename."_update_instance";
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$deleteinstancefunction = $mod->modulename."_delete_instance";
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switch ($mod->mode) {
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case "update":
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if (! $updateinstancefunction($mod)) {
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error("Could not update the $mod->modulename");
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}
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add_to_log($mod->course, "course", "update mod",
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"../mod/$mod->modulename/view.php?id=$mod->coursemodule",
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"$mod->modulename $mod->instance");
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break;
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case "add":
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if (! $mod->instance = $addinstancefunction($mod)) {
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error("Could not add a new instance of $mod->modulename");
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}
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// course_modules and course_sections each contain a reference
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// to each other, so we have to update one of them twice.
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if (! $mod->coursemodule = add_course_module($mod) ) {
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error("Could not add a new course module");
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}
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if (! $sectionid = add_mod_to_section($mod) ) {
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error("Could not add the new course module to that section");
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}
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if (! set_field("course_modules", "section", $sectionid, "id", $mod->coursemodule)) {
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error("Could not update the course module with the correct section");
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}
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add_to_log($mod->course, "course", "add mod",
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"../mod/$mod->modulename/view.php?id=$mod->coursemodule",
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"$mod->modulename $mod->instance");
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break;
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case "delete":
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if (! $deleteinstancefunction($mod->instance)) {
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notify("Could not delete the $mod->modulename (instance)");
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}
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if (! delete_course_module($mod->coursemodule)) {
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notify("Could not delete the $mod->modulename (coursemodule)");
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}
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if (! delete_mod_from_section($mod->coursemodule, "$mod->section")) {
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notify("Could not delete the $mod->modulename from that section");
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}
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add_to_log($mod->course, "course", "delete mod",
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"view.php?id=$mod->course",
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"$mod->modulename $mod->instance");
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break;
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default:
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error("No mode defined");
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}
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rebuild_course_cache($mod->course);
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if (!empty($SESSION->returnpage)) {
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$return = $SESSION->returnpage;
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unset($SESSION->returnpage);
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redirect($return);
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} else {
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redirect("view.php?id=$mod->course");
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}
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exit;
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}
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if (isset($_GET['move'])) {
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require_variable($id);
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if (! $cm = get_record("course_modules", "id", $id)) {
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error("This course module doesn't exist");
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}
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if (!isteacheredit($cm->course)) {
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error("You can't modify this course!");
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}
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move_module($cm, $_GET['move']);
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rebuild_course_cache($cm->course);
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$site = get_site();
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if ($site->id == $cm->course) {
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redirect($CFG->wwwroot);
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} else {
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redirect("view.php?id=$cm->course");
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}
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exit;
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} else if (isset($_GET['movetosection']) or isset($_GET['moveto'])) {
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if (! $cm = get_record("course_modules", "id", $USER->activitycopy)) {
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error("The copied course module doesn't exist!");
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}
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if (isset($_GET['movetosection'])) {
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if (! $section = get_record("course_sections", "id", $_GET['movetosection'])) {
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error("This section doesn't exist");
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}
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$beforecm = NULL;
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} else { // normal moveto
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if (! $beforecm = get_record("course_modules", "id", $_GET['moveto'])) {
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error("The destination course module doesn't exist");
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}
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if (! $section = get_record("course_sections", "id", $beforecm->section)) {
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error("This section doesn't exist");
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}
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}
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if (!isteacheredit($section->course)) {
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error("You can't modify this course!");
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}
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if (!ismoving($section->course)) {
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error("You need to copy something first!");
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}
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moveto_module($cm, $section, $beforecm);
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unset($USER->activitycopy);
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unset($USER->activitycopycourse);
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unset($USER->activitycopyname);
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rebuild_course_cache($section->course);
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$site = get_site();
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if ($site->id == $section->course) {
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redirect($CFG->wwwroot);
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} else {
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redirect("view.php?id=$section->course");
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}
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} else if (isset($_GET['indent'])) {
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require_variable($id);
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if (! $cm = get_record("course_modules", "id", $id)) {
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error("This course module doesn't exist");
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}
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$cm->indent += $_GET['indent'];
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if ($cm->indent < 0) {
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$cm->indent = 0;
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}
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if (!set_field("course_modules", "indent", $cm->indent, "id", $cm->id)) {
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error("Could not update the indent level on that course module");
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}
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$site = get_site();
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if ($site->id == $cm->course) {
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redirect($CFG->wwwroot);
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} else {
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redirect("view.php?id=$cm->course");
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}
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exit;
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} else if (isset($_GET['hide'])) {
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if (! $cm = get_record("course_modules", "id", $_GET['hide'])) {
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error("This course module doesn't exist");
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}
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if (!isteacheredit($cm->course)) {
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error("You can't modify this course!");
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}
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hide_course_module($cm->id);
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rebuild_course_cache($cm->course);
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$site = get_site();
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if ($site->id == $cm->course) {
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redirect($CFG->wwwroot);
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} else {
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redirect("view.php?id=$cm->course");
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}
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exit;
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} else if (isset($_GET['show'])) {
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if (! $cm = get_record("course_modules", "id", $_GET['show'])) {
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error("This course module doesn't exist");
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}
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if (!isteacheredit($cm->course)) {
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error("You can't modify this course!");
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}
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if (! $section = get_record("course_sections", "id", $cm->section)) {
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error("This module doesn't exist");
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}
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if (! $module = get_record("modules", "id", $cm->module)) {
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error("This module doesn't exist");
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}
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$site = get_site();
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if ($module->visible and ($section->visible or ($site->id == $cm->course))) {
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show_course_module($cm->id);
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rebuild_course_cache($cm->course);
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}
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if ($site->id == $cm->course) {
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redirect($CFG->wwwroot);
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} else {
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redirect("view.php?id=$cm->course");
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}
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exit;
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} else if (isset($_GET['copy'])) { // value = course module
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if (! $cm = get_record("course_modules", "id", $_GET['copy'])) {
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error("This course module doesn't exist");
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}
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if (!isteacheredit($cm->course)) {
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error("You can't modify this course!");
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}
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if (! $section = get_record("course_sections", "id", $cm->section)) {
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error("This module doesn't exist");
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}
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if (! $module = get_record("modules", "id", $cm->module)) {
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error("This module doesn't exist");
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}
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if (! $instance = get_record($module->name, "id", $cm->instance)) {
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error("Could not find the instance of this module");
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}
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$USER->activitycopy = $copy;
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$USER->activitycopycourse = $cm->course;
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$USER->activitycopyname = $instance->name;
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redirect("view.php?id=$cm->course");
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} else if (isset($_GET['cancelcopy'])) { // value = course module
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$courseid = $USER->activitycopycourse;
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unset($USER->activitycopy);
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unset($USER->activitycopycourse);
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unset($USER->activitycopyname);
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redirect("view.php?id=$courseid");
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} else if (isset($_GET['delete'])) { // value = course module
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if (! $cm = get_record("course_modules", "id", $_GET['delete'])) {
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error("This course module doesn't exist");
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}
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if (! $course = get_record("course", "id", $cm->course)) {
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error("This course doesn't exist");
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}
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if (!isteacheredit($course->id)) {
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error("You can't modify this course!");
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}
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if (! $module = get_record("modules", "id", $cm->module)) {
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error("This module doesn't exist");
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}
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if (! $instance = get_record($module->name, "id", $cm->instance)) {
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// Delete this module from the course right away
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if (! delete_course_module($cm->id)) {
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notify("Could not delete the $module->name (coursemodule)");
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}
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if (! delete_mod_from_section($cm->id, $cm->section)) {
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notify("Could not delete the $module->name from that section");
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}
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error("The required instance of this module didn't exist. Module deleted.",
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"$CFG->wwwroot/course/view.php?id=$course->id");
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}
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$fullmodulename = get_string("modulename", $module->name);
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$form->coursemodule = $cm->id;
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$form->section = $cm->section;
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$form->course = $cm->course;
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$form->instance = $cm->instance;
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$form->modulename = $module->name;
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$form->fullmodulename = $fullmodulename;
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$form->instancename = $instance->name;
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$strdeletecheck = get_string("deletecheck", "", "$form->fullmodulename");
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$strdeletecheckfull = get_string("deletecheckfull", "", "$form->fullmodulename '$form->instancename'");
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print_header("$course->shortname: $strdeletecheck", "$course->fullname",
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"<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> ->
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$strdeletecheck");
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print_simple_box_start("center", "60%", "#FFAAAA", 20, "noticebox");
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print_heading($strdeletecheckfull);
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include_once("mod_delete.html");
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print_simple_box_end();
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print_footer($course);
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exit;
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} else if (isset($_GET['update'])) { // value = course module
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if (! $cm = get_record("course_modules", "id", $_GET['update'])) {
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error("This course module doesn't exist");
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}
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if (! $course = get_record("course", "id", $cm->course)) {
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error("This course doesn't exist");
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}
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if (!isteacheredit($course->id)) {
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error("You can't modify this course!");
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}
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if (! $module = get_record("modules", "id", $cm->module)) {
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error("This module doesn't exist");
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}
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if (! $form = get_record($module->name, "id", $cm->instance)) {
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error("The required instance of this module doesn't exist");
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}
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if (! $cw = get_record("course_sections", "id", $cm->section)) {
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error("This course section doesn't exist");
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}
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if (isset($return)) {
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$SESSION->returnpage = "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
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}
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$form->coursemodule = $cm->id;
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$form->section = $cm->section; // The section ID
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$form->course = $course->id;
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$form->module = $module->id;
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$form->modulename = $module->name;
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$form->instance = $cm->instance;
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$form->mode = "update";
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$sectionname = get_string("name$course->format");
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$fullmodulename = strtolower(get_string("modulename", $module->name));
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if ($form->section) {
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$heading->what = $fullmodulename;
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$heading->in = "$sectionname $cw->section";
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$pageheading = get_string("updatingain", "moodle", $heading);
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} else {
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$pageheading = get_string("updatinga", "moodle", $fullmodulename);
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}
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} else if (isset($_GET['add'])) {
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if (empty($_GET['add'])) {
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redirect($_SERVER["HTTP_REFERER"]);
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die;
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}
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require_variable($id);
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require_variable($section);
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if (! $course = get_record("course", "id", $id)) {
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error("This course doesn't exist");
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}
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if (! $module = get_record("modules", "name", $_GET['add'])) {
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error("This module type doesn't exist");
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}
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$form->section = $section; // The section number itself
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$form->course = $course->id;
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$form->module = $module->id;
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$form->modulename = $module->name;
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$form->instance = "";
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$form->coursemodule = "";
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$form->mode = "add";
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$sectionname = get_string("name$course->format");
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$fullmodulename = strtolower(get_string("modulename", $module->name));
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if ($form->section) {
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$heading->what = $fullmodulename;
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$heading->to = "$sectionname $form->section";
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$pageheading = get_string("addinganewto", "moodle", $heading);
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} else {
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$pageheading = get_string("addinganew", "moodle", $fullmodulename);
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}
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} else {
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error("No action was specfied");
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}
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if (!isteacheredit($course->id)) {
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error("You can't modify this course!");
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}
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$streditinga = get_string("editinga", "moodle", $fullmodulename);
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$strmodulenameplural = get_string("modulenameplural", $module->name);
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if ($course->category) {
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print_header("$course->shortname: $streditinga", "$course->fullname",
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"<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> ->
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<A HREF=\"$CFG->wwwroot/mod/$module->name/index.php?id=$course->id\">$strmodulenameplural</A> ->
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$streditinga", "form.name", "", false);
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} else {
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print_header("$course->shortname: $streditinga", "$course->fullname",
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"$streditinga", "form.name", "", false);
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}
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unset($SESSION->modform); // Clear any old ones that may be hanging around.
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$modform = "../mod/$module->name/mod.html";
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if (file_exists($modform)) {
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$icon = "<img align=absmiddle height=16 width=16 src=\"$CFG->modpixpath/$module->name/icon.gif\"> ";
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print_heading_with_help($pageheading, "mods", $module->name, $icon);
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print_simple_box_start("center", "", "$THEME->cellheading");
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include_once($modform);
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print_simple_box_end();
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} else {
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notice("This module cannot be added to this course yet! (No file found at: $modform)", "$CFG->wwwroot/course/view.php?id=$course->id");
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}
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print_footer($course);
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?>
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