class.ilSingleUserShareGUI.php

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

class ilSingleUserShareGUI
{
        protected $tpl;
        protected $ctrl;
        protected $lng;

        public function __construct($wsp_access_handler = null, $wsp_node_id = null)
        {
                global $tpl, $ilCtrl, $lng;

                $this->tpl               = $tpl;
                $this->ctrl              = $ilCtrl;
                $this->lng               = $lng;

                // personal workspace
                $this->wsp_access_handler = $wsp_access_handler;
                $this->wsp_node_id = $wsp_node_id;
        }

        public function executeCommand()
        {
                $forward_class = $this->ctrl->getNextClass($this);

                switch($forward_class)
                {
                        default:
                                if (!($cmd = $this->ctrl->getCmd()))
                                {
                                        $cmd = "initShareForm";
                                }
                                $this->$cmd();
                                break;
                }
                return true;
        }

        public function initShareForm(ilPropertyFormGUI $form = null)
        {
                if(!($form instanceof ilPropertyFormGUI))
                {
                        $form = $this->getShareForm();
                }
                $this->tpl->setContent($form->getHTML());
        }

        public function getShareForm()
        {
                include_once './Services/Form/classes/class.ilPropertyFormGUI.php';
                $form = new ilPropertyFormGUI();

                $form->setTitle($this->lng->txt("share_content"));
                $form->setId('share_usr');

                $form->setFormAction($this->ctrl->getFormAction($this, 'saveShare'));

                $inp = new ilTextInputGUI($this->lng->txt("share_with"), 'name');
                $inp->setSize(20);
                $form->addItem($inp);

                $form->addCommandButton('saveShare', $this->lng->txt("share"));
                $form->addCommandButton('cancel', $this->lng->txt("cancel"));

                return $form;
        }

        protected function saveShare()
        {
                $form = $this->getShareForm();

                if($form->checkInput())
                {
                        if($user_id = ilObjUser::_lookupId($form->getInput('name')))
                        {
                                $existing = $this->wsp_access_handler->getPermissions($this->wsp_node_id);

                                if(!in_array($user_id, $existing))
                                {
                                        $this->wsp_access_handler->addPermission($this->wsp_node_id, $user_id);
                                        ilUtil::sendSuccess($this->lng->txt("element_shared"),true);
                                }
                                else
                                {
                                        ilUtil::sendInfo($this->lng->txt("element_already_shared"),true);
                                }
                                $this->ctrl->returnToParent($this);
                        }
                        else
                        {
                                ilUtil::sendFailure($this->lng->txt('search_no_match'),true);
                        }
                }
                $this->ctrl->redirect($this);
        }

        public function cancel()
        {
                $this->ctrl->returnToParent($this);
        }
}