/** * Defines the form. */ public function definition() { $mform = $this->_form; $this->coursecat = $this->_customdata; $categorycontext = context_coursecat::instance($this->coursecat->id); $categoryname = $this->coursecat->get_formatted_name(); // Check permissions, to see if it OK to give the option to delete // the contents, rather than move elsewhere. $candeletecontent = $this->coursecat->can_delete_full(); // Get the list of categories we might be able to move to. $displaylist = $this->coursecat->move_content_targets_list(); // Now build the options. $options = array(); if ($displaylist) { $options[0] = get_string('movecontentstoanothercategory'); } if ($candeletecontent) { $options[1] = get_string('deleteallcannotundo'); } if (empty($options)) { print_error('youcannotdeletecategory', 'error', 'index.php', $categoryname); } // Now build the form. $mform->addElement('header', 'general', get_string('categorycurrentcontents', '', $categoryname)); // Describe the contents of this category. $contents = ''; if ($this->coursecat->has_children()) { $contents .= '<li>' . get_string('subcategories') . '</li>'; } if ($this->coursecat->has_courses()) { $contents .= '<li>' . get_string('courses') . '</li>'; } if (question_context_has_any_questions($categorycontext)) { $contents .= '<li>' . get_string('questionsinthequestionbank') . '</li>'; } if (!empty($contents)) { $mform->addElement('static', 'emptymessage', get_string('thiscategorycontains'), html_writer::tag('ul', $contents)); } else { $mform->addElement('static', 'emptymessage', '', get_string('deletecategoryempty')); } // Give the options for what to do. $mform->addElement('select', 'fulldelete', get_string('whattodo'), $options); if (count($options) == 1) { $optionkeys = array_keys($options); $option = reset($optionkeys); $mform->hardFreeze('fulldelete'); $mform->setConstant('fulldelete', $option); } if ($displaylist) { $mform->addElement('select', 'newparent', get_string('movecategorycontentto'), $displaylist); if (in_array($this->coursecat->parent, $displaylist)) { $mform->setDefault('newparent', $this->coursecat->parent); } $mform->disabledIf('newparent', 'fulldelete', 'eq', '1'); } $mform->addElement('hidden', 'categoryid', $this->coursecat->id); $mform->setType('categoryid', PARAM_ALPHANUM); $mform->addElement('hidden', 'action', 'deletecategory'); $mform->setType('action', PARAM_ALPHANUM); $mform->addElement('hidden', 'sure'); // This gets set by default to ensure that if the user changes it manually we can detect it. $mform->setDefault('sure', md5(serialize($this->coursecat))); $mform->setType('sure', PARAM_ALPHANUM); $this->add_action_buttons(true, get_string('delete')); }