class.arConfigFormGUI.php

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<?php
require_once('./Services/Form/classes/class.ilPropertyFormGUI.php');
require_once('class.arConfig.php');

class arConfigFormGUI extends ilPropertyFormGUI {

        protected $parent_gui;
        protected $ctrl;


        public function __construct($parent_gui) {
                global $ilCtrl, $lng;
                $this->parent_gui = $parent_gui;
                $this->ctrl = $ilCtrl;
                $this->lng = $lng;
                $this->ctrl->saveParameter($parent_gui, 'clip_ext_id');
                $this->setFormAction($this->ctrl->getFormAction($parent_gui));
                $this->initForm();
        }


        protected function initForm() {
                $this->setTitle($this->lng->txt('admin_form_title'));

                $te = new ilTextInputGUI($this->lng->txt('admin_origins_path'), 'path');
                $te->setInfo($this->lng->txt('admin_origins_path_info'));
                $this->addItem($te);

                $this->addCommandButtons();
        }


        public function fillForm() {
                $array = array();
                foreach ($this->getItems() as $item) {
                        $this->getValuesForItem($item, $array);
                }
                $this->setValuesByArray($array);
        }


        private function getValuesForItem($item, &$array) {
                if (self::checkItem($item)) {
                        $key = $item->getPostVar();
                        $array[$key] = json_decode(arConfig::get($key));
                        if (self::checkForSubItem($item)) {
                                foreach ($item->getSubItems() as $subitem) {
                                        $this->getValuesForItem($subitem, $array);
                                }
                        }
                }
        }


        public function fillObject() {
                if (!$this->checkInput()) {
                        return false;
                }

                return true;
        }


        public function saveObject() {
                if (!$this->fillObject()) {
                        return false;
                }
                foreach ($this->getItems() as $item) {
                        $this->saveValueForItem($item);
                }

                return true;
        }


        private function saveValueForItem($item) {
                if (self::checkItem($item)) {
                        $key = $item->getPostVar();
                        arConfig::set($key, json_encode($this->getInput($key)));
                        if (self::checkForSubItem($item)) {
                                foreach ($item->getSubItems() as $subitem) {
                                        $this->saveValueForItem($subitem);
                                }
                        }
                }
        }


        public static function checkItem(ilPropertyFormGUI $item) {
                return !$item instanceof ilFormSectionHeaderGUI AND !$item instanceof ilMultiSelectInputGUI;
        }


        public static function checkForSubItem(ilPropertyFormGUI $item) {
                return !$item instanceof ilMultiSelectInputGUI;
        }


        protected function addCommandButtons() {
                $this->addCommandButton('save', $this->lng->txt('admin_form_button_save'));
                $this->addCommandButton('cancel', $this->lng->txt('admin_form_button_cancel'));
        }
}