moodle/course/modedit.php

283 lines
11 KiB
PHP

<?php // $Id$
// adds or updates modules in a course using new formslib
require("../config.php");
require("lib.php");
require_login();
$add = optional_param('add', '', PARAM_ALPHA);
$update = optional_param('update', 0, PARAM_INT);
//return to course/view.php if false or mod/modname/view.php if true
$return = optional_param('return', 0, PARAM_BOOL);
if (!empty($add)){
$section = required_param('section', PARAM_INT);
$course = required_param('course', PARAM_INT);
if (! $course = get_record("course", "id", $course)) {
error("This course doesn't exist");
}
if (! $module = get_record("modules", "name", $add)) {
error("This module type doesn't exist");
}
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/course:manageactivities', $context);
if (!course_allowed_module($course, $module->id)) {
error("This module has been disabled for this particular course");
}
require_login($course->id); // needed to setup proper $COURSE
$form->section = $section; // The section number itself
$form->course = $course->id;
$form->module = $module->id;
$form->modulename = $module->name;
$form->instance = "";
$form->coursemodule = "";
$form->add=$add;
$form->return=0;//must be false if this is an add, go back to course view on cancel
if (!empty($type)) {
$form->type = $type;
}
$sectionname = get_section_name($course->format);
$fullmodulename = get_string("modulename", $module->name);
if ($form->section && $course->format != 'site') {
$heading->what = $fullmodulename;
$heading->to = "$sectionname $form->section";
$pageheading = get_string("addinganewto", "moodle", $heading);
} else {
$pageheading = get_string("addinganew", "moodle", $fullmodulename);
}
$strnav = '';
}elseif (!empty($update)){
if (! $cm = get_record("course_modules", "id", $update)) {
error("This course module doesn't exist");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("This course doesn't exist");
}
require_login($course->id); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/course:manageactivities', $context);
if (! $module = get_record("modules", "id", $cm->module)) {
error("This module doesn't exist");
}
if (! $form = get_record($module->name, "id", $cm->instance)) {
error("The required instance of this module doesn't exist");
}
if (! $cw = get_record("course_sections", "id", $cm->section)) {
error("This course section doesn't exist");
}
$form->coursemodule = $cm->id;
$form->section = $cm->section; // The section ID
$form->course = $course->id;
$form->module = $module->id;
$form->modulename = $module->name;
$form->instance = $cm->instance;
$form->return = $return;
$form->update = $update;
$sectionname = get_section_name($course->format);
$fullmodulename = get_string("modulename", $module->name);
if ($form->section && $course->format != 'site') {
$heading->what = $fullmodulename;
$heading->in = "$sectionname $cw->section";
$pageheading = get_string("updatingain", "moodle", $heading);
} else {
$pageheading = get_string("updatinga", "moodle", $fullmodulename);
}
$strnav = "<a href=\"$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id\">".format_string($form->name,true)."</a> ->";
}else{
error('Invalid operation.');
}
$modmoodleform = "$CFG->dirroot/mod/$module->name/mod_form.php";
if (file_exists($modmoodleform)) {
require_once($modmoodleform);
}else{
error('No formslib form description file found for this activity.');
}
$modlib = "$CFG->dirroot/mod/$module->name/lib.php";
if (file_exists($modlib)) {
include_once($modlib);
} else {
error("This module is missing important code! ($modlib)");
}
$mformclassname = 'mod_'.$module->name.'_mod_form';
$cousesection=isset($cw->section)?$cw->section:$section;
$mform=& new $mformclassname($form->instance, $cousesection, ((isset($cm))?$cm:null));
$mform->set_defaults($form);
if ($mform->is_cancelled()) {
if ($return && isset($cm)){
redirect("$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id");
} else {
redirect("view.php?id=$course->id#section-".$cousesection);
}
} elseif ($fromform=$mform->data_submitted()){
if (empty($fromform->coursemodule)) { //add
if (! $course = get_record("course", "id", $fromform->course)) {
error("This course doesn't exist");
}
$fromform->instance = '';
$fromform->coursemodule = '';
} else { //update
if (! $cm = get_record("course_modules", "id", $fromform->coursemodule)) {
error("This course module doesn't exist");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("This course doesn't exist");
}
$fromform->instance = $cm->instance;
$fromform->coursemodule = $cm->id;
}
require_login($course->id); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/course:manageactivities', $context);
$fromform->course = $course->id;
$fromform->modulename = clean_param($fromform->modulename, PARAM_SAFEDIR); // For safety
$addinstancefunction = $fromform->modulename."_add_instance";
$updateinstancefunction = $fromform->modulename."_update_instance";
if (!empty($fromform->update)) {
if (isset($fromform->name)) {
if (trim($fromform->name) == '') {
unset($fromform->name);
}
}
$returnfromfunc = $updateinstancefunction($fromform);
if (!$returnfromfunc) {
error("Could not update the $fromform->modulename", "view.php?id=$course->id");
}
if (is_string($returnfromfunc)) {
error($returnfromfunc, "view.php?id=$course->id");
}
if (isset($fromform->visible)) {
set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
}
if (isset($fromform->groupmode)) {
set_coursemodule_groupmode($fromform->coursemodule, $fromform->groupmode);
}
add_to_log($course->id, "course", "update mod",
"../mod/$fromform->modulename/view.php?id=$fromform->coursemodule",
"$fromform->modulename $fromform->instance");
add_to_log($course->id, $fromform->modulename, "update",
"view.php?id=$fromform->coursemodule",
"$fromform->instance", $fromform->coursemodule);
}elseif (!empty($fromform->add)){
if (!course_allowed_module($course,$fromform->modulename)) {
error("This module ($fromform->modulename) has been disabled for this particular course");
}
if (!isset($fromform->name) || trim($fromform->name) == '') {
$fromform->name = get_string("modulename", $fromform->modulename);
}
$returnfromfunc = $addinstancefunction($fromform);
if (!$returnfromfunc) {
/*if (file_exists($moderr)) {
$form = $fromform;
include_once($moderr);
die;
}*/
error("Could not add a new instance of $fromform->modulename", "view.php?id=$course->id");
}
if (is_string($returnfromfunc)) {
error($returnfromfunc, "view.php?id=$course->id");
}
if (!isset($fromform->groupmode)) { // to deal with pre-1.5 modules
$fromform->groupmode = $course->groupmode; /// Default groupmode the same as course
}
$fromform->instance = $returnfromfunc;
// course_modules and course_sections each contain a reference
// to each other, so we have to update one of them twice.
if (! $fromform->coursemodule = add_course_module($fromform) ) {
error("Could not add a new course module");
}
if (! $sectionid = add_mod_to_section($fromform) ) {
error("Could not add the new course module to that section");
}
if (! set_field("course_modules", "section", $sectionid, "id", $fromform->coursemodule)) {
error("Could not update the course module with the correct section");
}
if (!isset($fromform->visible)) { // We get the section's visible field status
$fromform->visible = get_field("course_sections","visible","id",$sectionid);
}
// make sure visibility is set correctly (in particular in calendar)
set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
add_to_log($course->id, "course", "add mod",
"../mod/$fromform->modulename/view.php?id=$fromform->coursemodule",
"$fromform->modulename $fromform->instance");
add_to_log($course->id, $fromform->modulename, "add",
"view.php?id=$fromform->coursemodule",
"$fromform->instance", $fromform->coursemodule);
}else{
error("Data submitted is invalid.");
}
rebuild_course_cache($course->id);
redirect("$CFG->wwwroot/mod/$module->name/view.php?id=$fromform->coursemodule");
exit;
}else{
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/course:manageactivities', $context);
$streditinga = get_string("editinga", "moodle", $fullmodulename);
$strmodulenameplural = get_string("modulenameplural", $module->name);
print_header_simple($streditinga, '',
"<a href=\"$CFG->wwwroot/mod/$module->name/index.php?id=$course->id\">$strmodulenameplural</a> ->
$strnav $streditinga", $mform->focus(), "", false);
if (!empty($cm->id)) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$currenttab = 'update';
include_once($CFG->dirroot.'/'.$CFG->admin.'/roles/tabs.php');
}
$icon = '<img align="middle" height="16" width="16" src="'.$CFG->modpixpath.'/'.$module->name.'/icon.gif" alt="" style="vertical-align: middle;" />&nbsp;';
print_heading_with_help($pageheading, "mods", $module->name, $icon);
$mform->display();
print_footer($course);
}
?>