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);
    }
}