class.ilLicenseGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Services/License/classes/class.ilLicense.php";

class ilLicenseGUI {


        protected $license;
        protected $ctrl;
        protected $tpl;
        protected $lng;


        public function __construct(ilObjectGUI $a_parent_gui) {
                global $ilCtrl, $tpl, $lng;

                $this->ctrl = $ilCtrl;
                $this->tpl = $tpl;
                $this->lng = $lng;
                $this->lng->loadLanguageModule("license");
                $this->parent_gui = $a_parent_gui;
                $this->license = new ilLicense($this->parent_gui->object->getId());
        }


        public function executeCommand() {
                global $rbacsystem, $ilErr;

                // access to all functions in this class are only allowed if edit_permission is granted
                if (!$rbacsystem->checkAccess("edit_permission", $this->parent_gui->object->getRefId())) {
                        $ilErr->raiseError($this->lng->txt("permission_denied"), $ilErr->MESSAGE);
                }

                $cmd = $this->ctrl->getCmd("editLicense");
                $this->$cmd();

                return true;
        }


        protected function initLicenseForm() {
                include_once('Services/Form/classes/class.ilPropertyFormGUI.php');
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this, "updateLicense"));
                $form->setTitle($this->lng->txt('edit_license'));

                $exist = new ilNumberInputGUI($this->lng->txt("existing_licenses"), "licenses");
                $exist->setInfo($this->lng->txt("zero_licenses_explanation"));
                $exist->setMaxLength(10);
                $exist->setSize(10);
                $exist->setValue($this->license->getLicenses());
                $form->addItem($exist);

                $info_used = new ilNonEditableValueGUI($this->lng->txt("used_licenses"));
                $info_used->setInfo($this->lng->txt("used_licenses_explanation"));
                $info_used->setValue($this->license->getAccesses());
                $form->addItem($info_used);

                $remaining_licenses = ($this->license->getLicenses() == "0") ? $this->lng->txt("arbitrary") : $this->license->getRemainingLicenses();

                $info_remain = new ilNonEditableValueGUI($this->lng->txt("remaining_licenses"));
                $info_remain->setInfo($this->lng->txt("remaining_licenses_explanation"));
                $info_remain->setValue($remaining_licenses);
                $form->addItem($info_remain);

                $info_potential = new ilNonEditableValueGUI($this->lng->txt("potential_accesses"));
                $info_potential->setInfo($this->lng->txt("potential_accesses_explanation"));
                $info_potential->setValue($this->license->getPotentialAccesses());
                $form->addItem($info_potential);

                $comm = new ilTextAreaInputGUI($this->lng->txt("comment"), "remarks");
                $comm->setRows(5);
                $comm->setValue($this->license->getRemarks());
                $form->addItem($comm);

                $form->addCommandButton('updateLicense', $this->lng->txt('save'));

                return $form;
        }


        protected function editLicense(ilPropertyFormGUI $a_form = null) {
                if (!$a_form) {
                        $a_form = $this->initLicenseForm();
                }

                $this->tpl->setContent($a_form->getHTML());
        }


        public function updateLicense() {
                $form = $this->initLicenseForm();
                if ($form->checkInput()) {
                        $this->license->setLicenses($form->getInput("licenses"));
                        $this->license->setRemarks($form->getInput("remarks"));
                        $this->license->update();

                        ilUtil::sendSuccess($this->lng->txt('license_updated'), true);
                        $this->ctrl->redirect($this, "editLicense");
                }

                $form->setValuesByPost();
                $this->editLicense($form);
        }
}