mirror of
https://github.com/moodle/moodle.git
synced 2025-08-05 08:56:36 +02:00
104 lines
3.9 KiB
PHP
104 lines
3.9 KiB
PHP
<?php
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
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}
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require_once($CFG->libdir.'/formslib.php');
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require_once($CFG->libdir.'/questionlib.php');
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require_once($CFG->libdir. '/coursecatlib.php');
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class delete_category_form extends moodleform {
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var $_category;
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function definition() {
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$mform = & $this->_form;
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$this->_category = $this->_customdata;
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$categorycontext = context_coursecat::instance($this->_category->id);
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// Check permissions, to see if it OK to give the option to delete
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// the contents, rather than move elsewhere.
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$candeletecontent = $this->_category->can_delete_full();
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// Get the list of categories we might be able to move to.
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$displaylist = $this->_category->move_content_targets_list();
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// Now build the options.
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$options = array();
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if ($displaylist) {
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$options[0] = get_string('movecontentstoanothercategory');
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}
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if ($candeletecontent) {
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$options[1] = get_string('deleteallcannotundo');
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}
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if (empty($options)) {
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print_error('youcannotdeletecategory', 'error', 'index.php', $this->_category->get_formatted_name());
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}
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// Now build the form.
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$mform->addElement('header','general', get_string('categorycurrentcontents', '', $this->_category->get_formatted_name()));
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// Describe the contents of this category.
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$contents = '';
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if ($this->_category->has_children()) {
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$contents .= '<li>' . get_string('subcategories') . '</li>';
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}
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if ($this->_category->has_courses()) {
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$contents .= '<li>' . get_string('courses') . '</li>';
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}
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if (question_context_has_any_questions($categorycontext)) {
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$contents .= '<li>' . get_string('questionsinthequestionbank') . '</li>';
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}
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if (!empty($contents)) {
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$mform->addElement('static', 'emptymessage', get_string('thiscategorycontains'), html_writer::tag('ul', $contents));
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} else {
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$mform->addElement('static', 'emptymessage', '', get_string('deletecategoryempty'));
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}
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// Give the options for what to do.
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$mform->addElement('select', 'fulldelete', get_string('whattodo'), $options);
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if (count($options) == 1) {
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$optionkeys = array_keys($options);
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$option = reset($optionkeys);
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$mform->hardFreeze('fulldelete');
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$mform->setConstant('fulldelete', $option);
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}
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if ($displaylist) {
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$mform->addElement('select', 'newparent', get_string('movecategorycontentto'), $displaylist);
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if (in_array($this->_category->parent, $displaylist)) {
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$mform->setDefault('newparent', $this->_category->parent);
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}
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$mform->disabledIf('newparent', 'fulldelete', 'eq', '1');
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}
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$mform->addElement('hidden', 'deletecat');
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$mform->setType('deletecat', PARAM_ALPHANUM);
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$mform->addElement('hidden', 'sure');
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$mform->setType('sure', PARAM_ALPHANUM);
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$mform->setDefault('sure', md5(serialize($this->_category)));
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//--------------------------------------------------------------------------------
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$this->add_action_buttons(true, get_string('delete'));
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$this->set_data(array('deletecat' => $this->_category->id));
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}
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/// perform some extra moodle validation
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function validation($data, $files) {
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$errors = parent::validation($data, $files);
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if (empty($data['fulldelete']) && empty($data['newparent'])) {
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/// When they have chosen the move option, they must specify a destination.
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$errors['newparent'] = get_string('required');
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}
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if ($data['sure'] != md5(serialize($this->_category))) {
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$errors['categorylabel'] = get_string('categorymodifiedcancel');
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}
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return $errors;
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}
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}
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