forked from moodle/moodle
/
index.php
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/
index.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* For most people, just lists the course categories
* Allows the admin to create, delete and rename course categories
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package course
*/
require_once("../config.php");
require_once("lib.php");
$categoryedit = optional_param('categoryedit', -1,PARAM_BOOL);
$delete = optional_param('delete',0,PARAM_INT);
$hide = optional_param('hide',0,PARAM_INT);
$show = optional_param('show',0,PARAM_INT);
$move = optional_param('move',0,PARAM_INT);
$moveto = optional_param('moveto',-1,PARAM_INT);
$moveup = optional_param('moveup',0,PARAM_INT);
$movedown = optional_param('movedown',0,PARAM_INT);
$site = get_site();
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
$PAGE->set_url('/course/index.php');
$PAGE->set_context($systemcontext);
$PAGE->set_pagelayout('admin');
if (can_edit_in_category()) {
if ($categoryedit !== -1) {
$USER->editing = $categoryedit;
}
require_login();
$adminediting = $PAGE->user_is_editing();
} else {
if ($CFG->forcelogin) {
require_login();
}
$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');
$strfulllistofcourses = get_string('fulllistofcourses');
/// Unless it's an editing admin, just print the regular listing of courses/categories
if (!$adminediting) {
/// Print form for creating new categories
$countcategories = $DB->count_records('course_categories');
if ($countcategories > 1 || ($countcategories == 1 && $DB->count_records('course') > 200)) {
$strcourses = get_string('courses');
$strcategories = get_string('categories');
$PAGE->navbar->add($strcategories);
$PAGE->set_title("$site->shortname: $strcategories");
$PAGE->set_heading($COURSE->fullname);
$PAGE->set_button(update_category_button());
echo $OUTPUT->header();
echo $OUTPUT->heading($strcategories);
echo $OUTPUT->skip_link_target();
echo $OUTPUT->box_start('categorybox');
print_whole_category_list();
echo $OUTPUT->box_end();
print_course_search();
} else {
$PAGE->navbar->add($strfulllistofcourses);
$PAGE->set_title("$site->shortname: $strfulllistofcourses");
$PAGE->set_heading($COURSE->fullname);
$PAGE->set_button(update_category_button());
echo $OUTPUT->header();
echo $OUTPUT->skip_link_target();
echo $OUTPUT->box_start('courseboxes');
print_courses(0);
echo $OUTPUT->box_end();
}
echo $OUTPUT->container_start('buttons');
if (has_capability('moodle/course:create', $systemcontext)) {
/// Print link to create a new course
/// Get the 1st available category
$options = array('category' => $CFG->defaultrequestcategory);
echo $OUTPUT->single_button(new moodle_url('edit.php', $options), get_string('addnewcourse'), 'get');
}
print_course_request_buttons($systemcontext);
echo $OUTPUT->container_end();
echo $OUTPUT->footer();
exit;
}
/// Everything else is editing on mode.
require_once($CFG->libdir.'/adminlib.php');
admin_externalpage_setup('coursemgmt');
/// Delete a category.
if (!empty($delete) and confirm_sesskey()) {
if (!$deletecat = $DB->get_record('course_categories', array('id'=>$delete))) {
print_error('invalidcategoryid');
}
$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));
$heading = get_string('deletecategory', 'moodle', format_string($deletecat->name, true, array('context' => $context)));
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= $mform->get_data()) {
require_once($CFG->libdir . '/questionlib.php');
echo $OUTPUT->header();
echo $OUTPUT->heading($heading);
$mform->display();
echo $OUTPUT->footer();
exit();
}
echo $OUTPUT->header();
echo $OUTPUT->heading($heading);
if ($data->fulldelete) {
$deletedcourses = category_delete_full($deletecat, true);
foreach($deletedcourses as $course) {
echo $OUTPUT->notification(get_string('coursedeleted', '', $course->shortname), 'notifysuccess');
}
echo $OUTPUT->notification(get_string('coursecategorydeleted', '', format_string($deletecat->name, true, array('context' => $context))), 'notifysuccess');
} else {
category_delete_move($deletecat, $data->newparent, true);
}
// If we deleted $CFG->defaultrequestcategory, make it point somewhere else.
if ($delete == $CFG->defaultrequestcategory) {
set_config('defaultrequestcategory', $DB->get_field('course_categories', 'MIN(id)', array('parent'=>0)));
}
echo $OUTPUT->continue_button('index.php');
echo $OUTPUT->footer();
die;
}
/// Create a default category if necessary
if (!$categories = get_categories()) { /// No category yet!
// Try and make one
$tempcat = new stdClass();
$tempcat->name = get_string('miscellaneous');
$tempcat->id = $DB->insert_record('course_categories', $tempcat);
$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 = $DB->get_record('course_categories', array('id'=>$move))) {
require_capability('moodle/category:manage', get_category_or_system_context($cattomove->parent));
if ($cattomove->parent != $moveto) {
$newparent = $DB->get_record('course_categories', array('id'=>$moveto));
require_capability('moodle/category:manage', get_category_or_system_context($moveto));
move_category($cattomove, $newparent);
}
}
}
/// Hide or show a category
if ($hide and confirm_sesskey()) {
if ($tempcat = $DB->get_record('course_categories', array('id'=>$hide))) {
require_capability('moodle/category:manage', get_category_or_system_context($tempcat->parent));
if ($tempcat->visible == 1) {
course_category_hide($tempcat);
}
}
} else if ($show and confirm_sesskey()) {
if ($tempcat = $DB->get_record('course_categories', array('id'=>$show))) {
require_capability('moodle/category:manage', get_category_or_system_context($tempcat->parent));
if ($tempcat->visible == 0) {
course_category_show($tempcat);
}
}
}
/// Move a category up or down
if ((!empty($moveup) or !empty($movedown)) and confirm_sesskey()) {
fix_course_sortorder();
$swapcategory = NULL;
if (!empty($moveup)) {
require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $moveup));
if ($movecategory = $DB->get_record('course_categories', array('id'=>$moveup))) {
if ($swapcategory = $DB->get_records_select('course_categories', "sortorder<? AND parent=?", array($movecategory->sortorder, $movecategory->parent), 'sortorder DESC', '*', 0, 1)) {
$swapcategory = reset($swapcategory);
}
}
} else {
require_capability('moodle/category:manage', get_context_instance(CONTEXT_COURSECAT, $movedown));
if ($movecategory = $DB->get_record('course_categories', array('id'=>$movedown))) {
if ($swapcategory = $DB->get_records_select('course_categories', "sortorder>? AND parent=?", array($movecategory->sortorder, $movecategory->parent), 'sortorder ASC', '*', 0, 1)) {
$swapcategory = reset($swapcategory);
}
}
}
if ($swapcategory and $movecategory) {
$DB->set_field('course_categories', 'sortorder', $swapcategory->sortorder, array('id'=>$movecategory->id));
$DB->set_field('course_categories', 'sortorder', $movecategory->sortorder, array('id'=>$swapcategory->id));
}
// finally reorder courses
fix_course_sortorder();
}
/// Print headings
echo $OUTPUT->header();
echo $OUTPUT->heading($strcategories);
/// 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, $parentlist);
echo '<table class="generalbox editcourse boxaligncenter"><tr class="header">';
echo '<th class="header" scope="col">'.$strcategories.'</th>';
echo '<th class="header" scope="col">'.$strcourses.'</th>';
echo '<th class="header" scope="col">'.$stredit.'</th>';
echo '<th class="header" scope="col">'.$strmovecategoryto.'</th>';
echo '</tr>';
print_category_edit(NULL, $displaylist, $parentlist);
echo '</table>';
echo '<div class="buttons">';
if (has_capability('moodle/course:create', $systemcontext)) {
// print create course link to first category
$options = array('category' => $CFG->defaultrequestcategory);
$options['returnto'] = 'topcat';
echo $OUTPUT->single_button(new moodle_url('edit.php', $options), get_string('addnewcourse'), 'get');
}
// Print button for creating new categories
if (has_capability('moodle/category:manage', $systemcontext)) {
$options = array('parent'=>0);
echo $OUTPUT->single_button(new moodle_url('editcategory.php', $options), get_string('addnewcategory'), 'get');
}
print_course_request_buttons($systemcontext);
echo '</div>';
echo $OUTPUT->footer();
function print_category_edit($category, $displaylist, $parentslist, $depth=-1, $up=false, $down=false) {
/// Recursive function to print all the categories ready for editing
global $CFG, $USER, $OUTPUT;
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->cohorts = get_string('cohorts', 'cohort');
$str->spacer = $OUTPUT->spacer().' ';
}
if (!empty($category)) {
if (!isset($category->context)) {
$category->context = get_context_instance(CONTEXT_COURSECAT, $category->id);
}
echo '<tr><td align="left" class="name">';
for ($i=0; $i<$depth;$i++) {
echo ' ';
}
$linkcss = $category->visible ? '' : ' class="dimmed" ';
echo '<a '.$linkcss.' title="'.$str->edit.'" '.
' href="category.php?id='.$category->id.'&categoryedit=on&sesskey='.sesskey().'">'.
format_string($category->name, true, array('context' => $category->context)).'</a>';
echo '</td>';
echo '<td class="count">'.$category->coursecount.'</td>';
echo '<td class="icons">'; /// Print little icons
if (has_capability('moodle/category:manage', $category->context)) {
echo '<a title="'.$str->edit.'" href="editcategory.php?id='.$category->id.'"><img'.
' src="'.$OUTPUT->pix_url('t/edit') . '" class="iconsmall" alt="'.$str->edit.'" /></a> ';
echo '<a title="'.$str->delete.'" href="index.php?delete='.$category->id.'&sesskey='.sesskey().'"><img'.
' src="'.$OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="'.$str->delete.'" /></a> ';
if (!empty($category->visible)) {
echo '<a title="'.$str->hide.'" href="index.php?hide='.$category->id.'&sesskey='.sesskey().'"><img'.
' src="'.$OUTPUT->pix_url('t/hide') . '" class="iconsmall" alt="'.$str->hide.'" /></a> ';
} else {
echo '<a title="'.$str->show.'" href="index.php?show='.$category->id.'&sesskey='.sesskey().'"><img'.
' src="'.$OUTPUT->pix_url('t/show') . '" class="iconsmall" alt="'.$str->show.'" /></a> ';
}
if (has_capability('moodle/cohort:manage', $category->context) or has_capability('moodle/cohort:view', $category->context)) {
echo '<a title="'.$str->cohorts.'" href="'.$CFG->wwwroot.'/cohort/index.php?contextid='.$category->context->id.'"><img'.
' src="'.$OUTPUT->pix_url('i/cohort') . '" class="iconsmall" alt="'.$str->cohorts.'" /></a> ';
}
if ($up) {
echo '<a title="'.$str->moveup.'" href="index.php?moveup='.$category->id.'&sesskey='.sesskey().'"><img'.
' src="'.$OUTPUT->pix_url('t/up') . '" class="iconsmall" alt="'.$str->moveup.'" /></a> ';
} else {
echo $str->spacer;
}
if ($down) {
echo '<a title="'.$str->movedown.'" href="index.php?movedown='.$category->id.'&sesskey='.sesskey().'"><img'.
' src="'.$OUTPUT->pix_url('t/down') . '" class="iconsmall" alt="'.$str->movedown.'" /></a> ';
} else {
echo $str->spacer;
}
}
echo '</td>';
echo '<td align="left">';
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]);
}
}
$popupurl = new moodle_url("index.php?move=$category->id&sesskey=".sesskey());
$select = new single_select($popupurl, 'moveto', $tempdisplaylist, $category->parent, null, "moveform$category->id");
echo $OUTPUT->render($select);
}
echo '</td>';
echo '</tr>';
} else {
$category = new stdClass();
$category->id = '0';
}
if ($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);
}
}
}