forcelogin) {
require_login();
}
if (!$site = get_site()) {
error('Site isn\'t defined!');
}
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
if (update_category_button()) {
if ($categoryedit !== -1) {
$USER->categoryediting = $categoryedit;
}
$adminediting = !empty($USER->categoryediting);
} else {
$adminediting = false;
}
$stradministration = get_string('administration');
$strcategories = get_string('categories');
$strcategory = get_string('category');
$strcourses = get_string('courses');
$stredit = get_string('edit');
$strdelete = get_string('delete');
$straction = get_string('action');
/// Unless it's an editing admin, just print the regular listing of courses/categories
if (!$adminediting) {
/// Print form for creating new categories
$countcategories = count_records('course_categories');
if ($countcategories > 1 || ($countcategories == 1 && count_records('course') > 200)) {
$strcourses = get_string('courses');
$strcategories = get_string('categories');
$navlinks = array();
$navlinks[] = array('name'=>$strcategories,'link'=>'','type'=>'misc');
$navigation = build_navigation($navlinks);
print_header("$site->shortname: $strcategories", $strcourses, $navigation, '', '', true, update_category_button());
print_heading($strcategories);
echo skip_main_destination();
print_box_start('categorybox');
print_whole_category_list();
print_box_end();
print_course_search();
} else {
$strfulllistofcourses = get_string('fulllistofcourses');
print_header("$site->shortname: $strfulllistofcourses", $strfulllistofcourses,
build_navigation(array(array('name'=>$strfulllistofcourses, 'link'=>'','type'=>'misc'))),
'', '', true, update_category_button());
echo skip_main_destination();
print_box_start('courseboxes');
print_courses(0);
print_box_end();
}
echo '';
if (has_capability('moodle/course:create', $systemcontext)) {
/// Print link to create a new course
/// Get the 1st available category
$options = array('category' => $CFG->defaultrequestcategory);
print_single_button('edit.php', $options, get_string('addnewcourse'), 'get');
}
print_course_request_buttons($systemcontext);
echo '
';
print_footer();
exit;
}
/// Everything else is editing on mode.
/// Delete a category.
if (!empty($delete) and confirm_sesskey()) {
if (!$deletecat = get_record('course_categories', 'id', $delete)) {
error('Incorrect category id', 'index.php');
}
$context = get_context_instance(CONTEXT_COURSECAT, $delete);
require_capability('moodle/category:manage', $context);
require_capability('moodle/category:manage', get_category_or_system_context($deletecat->parent));
$heading = get_string('deletecategory', '', format_string($deletecat->name));
require_once('delete_category_form.php');
$mform = new delete_category_form(null, $deletecat);
$mform->set_data(array('delete'=>$delete));
if ($mform->is_cancelled()) {
redirect('index.php');
} else if (!$data= $mform->get_data(false)) {
require_once($CFG->libdir . '/questionlib.php');
print_category_edit_header();
print_heading($heading);
$mform->display();
admin_externalpage_print_footer();
exit();
}
print_category_edit_header();
print_heading($heading);
if ($data->fulldelete) {
category_delete_full($deletecat, true);
} else {
category_delete_move($deletecat, $data->newparent, true);
}
// If we deleted $CFG->defaultrequestcategory, make it point somewhere else.
if ($delete == $CFG->defaultrequestcategory) {
set_config('defaultrequestcategory', get_field('course_categories', 'MIN(id)', 'parent', 0));
}
print_continue('index.php');
admin_externalpage_print_footer();
die;
}
/// Print headings
print_category_edit_header();
print_heading($strcategories);
/// Create a default category if necessary
if (!$categories = get_categories()) { /// No category yet!
// Try and make one
unset($tempcat);
$tempcat->name = get_string('miscellaneous');
if (!$tempcat->id = insert_record('course_categories', $tempcat)) {
error('Serious error: Could not create a default category!');
}
$tempcat->context = get_context_instance(CONTEXT_COURSECAT, $tempcat->id);
mark_context_dirty('/'.SYSCONTEXTID);
fix_course_sortorder(); // Required to build course_categories.depth and .path.
}
/// Move a category to a new parent if required
if (!empty($move) and ($moveto >= 0) and confirm_sesskey()) {
if ($cattomove = get_record('course_categories', 'id', $move)) {
require_capability('moodle/category:manage', get_category_or_system_context($cattomove->parent));
if ($cattomove->parent != $moveto) {
$newparent = get_record('course_categories', 'id', $moveto);
require_capability('moodle/category:manage', get_category_or_system_context($moveto));
if (!move_category($cattomove, $newparent)) {
notify('Could not update that category!');
}
}
}
}
/// Hide or show a category
if ((!empty($hide) or !empty($show)) and confirm_sesskey()) {
if (!empty($hide)) {
$tempcat = get_record('course_categories', 'id', $hide);
$visible = 0;
} else {
$tempcat = get_record('course_categories', 'id', $show);
$visible = 1;
}
require_capability('moodle/category:manage', get_category_or_system_context($tempcat->parent));
if ($tempcat) {
if (! set_field('course_categories', 'visible', $visible, 'id', $tempcat->id)) {
notify('Could not update that category!');
}
if (! set_field('course', 'visible', $visible, 'category', $tempcat->id)) {
notify('Could not hide/show any courses in this category !');
}
}
}
/// Move a category up or down
if ((!empty($moveup) or !empty($movedown)) and confirm_sesskey()) {
$swapcategory = NULL;
$movecategory = NULL;
if (!empty($moveup)) {
require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $moveup));
if ($movecategory = get_record('course_categories', 'id', $moveup)) {
$categories = get_categories($movecategory->parent);
foreach ($categories as $category) {
if ($category->id == $movecategory->id) {
break;
}
$swapcategory = $category;
}
unset($category);
}
}
if (!empty($movedown)) {
require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $movedown));
if ($movecategory = get_record('course_categories', 'id', $movedown)) {
$categories = get_categories($movecategory->parent);
$choosenext = false;
foreach ($categories as $category) {
if ($choosenext) {
$swapcategory = $category;
break;
}
if ($category->id == $movecategory->id) {
$choosenext = true;
}
}
unset($category);
}
}
if ($swapcategory and $movecategory) { // Renumber everything for robustness
$count=0;
foreach ($categories as $category) {
$count++;
if ($category->id == $swapcategory->id) {
$category = $movecategory;
} else if ($category->id == $movecategory->id) {
$category = $swapcategory;
}
if (! set_field('course_categories', 'sortorder', $count, 'id', $category->id)) {
notify('Could not update that category!');
}
}
unset($category);
}
}
/// Find any orphan courses that don't yet have a valid category and set to default
fix_coursecategory_orphans();
/// Should be a no-op 99% of the cases
fix_course_sortorder();
/// Print out the categories with all the knobs
$strcategories = get_string('categories');
$strcourses = get_string('courses');
$strmovecategoryto = get_string('movecategoryto');
$stredit = get_string('edit');
$displaylist = array();
$parentlist = array();
$displaylist[0] = get_string('top');
make_categories_list($displaylist, $parentlist);
echo '';
print_category_edit(NULL, $displaylist, $parentlist);
echo '
';
echo '';
if (has_capability('moodle/course:create', $systemcontext)) {
// print create course link to first category
$options = array();
$options = array('category' => $CFG->defaultrequestcategory);
print_single_button('edit.php', $options, get_string('addnewcourse'), 'get');
}
// Print button for creating new categories
if (has_capability('moodle/category:manage', $systemcontext)) {
$options = array();
$options['parent'] = 0;
print_single_button('editcategory.php', $options, get_string('addnewcategory'), 'get');
}
print_course_request_buttons($systemcontext);
echo '
';
admin_externalpage_print_footer();
function print_category_edit($category, $displaylist, $parentslist, $depth=-1, $up=false, $down=false) {
/// Recursive function to print all the categories ready for editing
global $CFG, $USER;
static $str = NULL;
if (is_null($str)) {
$str = new stdClass;
$str->edit = get_string('edit');
$str->delete = get_string('delete');
$str->moveup = get_string('moveup');
$str->movedown = get_string('movedown');
$str->edit = get_string('editthiscategory');
$str->hide = get_string('hide');
$str->show = get_string('show');
$str->spacer = '
';
}
if (!empty($category)) {
if (!isset($category->context)) {
$category->context = get_context_instance(CONTEXT_COURSECAT, $category->id);
}
echo '| ';
for ($i=0; $i<$depth;$i++) {
echo ' ';
}
$linkcss = $category->visible ? '' : ' class="dimmed" ';
echo ''.
format_string($category->name).'';
echo ' | ';
echo ''.$category->coursecount.' | ';
echo ''; /// Print little icons
if (has_capability('moodle/category:manage', $category->context)) {
echo ' ';
echo ' ';
if (!empty($category->visible)) {
echo ' ';
} else {
echo ' ';
}
if ($up) {
echo ' ';
} else {
echo $str->spacer;
}
if ($down) {
echo ' ';
} else {
echo $str->spacer;
}
}
echo ' | ';
echo '';
if (has_capability('moodle/category:manage', $category->context)) {
$tempdisplaylist = $displaylist;
unset($tempdisplaylist[$category->id]);
foreach ($parentslist as $key => $parents) {
if (in_array($category->id, $parents)) {
unset($tempdisplaylist[$key]);
}
}
popup_form ("index.php?move=$category->id&sesskey=$USER->sesskey&moveto=", $tempdisplaylist, "moveform$category->id", $category->parent, '', '', '', false);
}
echo ' | ';
echo '
';
} else {
$category->id = '0';
}
if ($categories = get_categories($category->id)) { // Print all the children recursively
$countcats = count($categories);
$count = 0;
$first = true;
$last = false;
foreach ($categories as $cat) {
$count++;
if ($count == $countcats) {
$last = true;
}
$up = $first ? false : true;
$down = $last ? false : true;
$first = false;
print_category_edit($cat, $displaylist, $parentslist, $depth+1, $up, $down);
}
}
}
function print_category_edit_header() {
global $CFG;
global $SITE;
require_once($CFG->libdir.'/adminlib.php');
admin_externalpage_setup('coursemgmt', update_category_button());
admin_externalpage_print_header();
}
?>