class.ilUserLoginInputGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2008 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilUserLoginInputGUI extends ilFormPropertyGUI
{
        protected $value;
        protected $size = 40;
        protected $max_length = 80;
        protected $checkunused = 0;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
        }

        function setValue($a_value)
        {
                $this->value = $a_value;
        }

        function getValue()
        {
                return $this->value;
        }

        function setValueByArray($a_values)
        {
                $this->setValue($a_values[$this->getPostVar()]);
        }

        function setCurrentUserId($a_user_id)
        {
                $this->checkunused = $a_user_id;
        }

        function getCurrentUserId()
        {
                return $this->checkunused;
        }

        function checkInput()
        {
                global $lng;
                
                $_POST[$this->getPostVar()] = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
                if ($this->getRequired() && trim($_POST[$this->getPostVar()]) == "")
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));

                        return false;
                }
                if (!ilUtil::isLogin($_POST[$this->getPostVar()]))
                {
                        $this->setAlert($lng->txt("login_invalid"));

                        return false;
                }
                
                if (ilObjUser::_loginExists($_POST[$this->getPostVar()],$this->getCurrentUserId()))
                {
                        $this->setAlert($lng->txt("login_exists"));

                        return false;
                }

                
                return true;
        }

        function insert(&$a_tpl)
        {
                global $lng;
                
                $a_tpl->setCurrentBlock("prop_login");
                $a_tpl->setVariable("POST_VAR", $this->getPostVar());
                $a_tpl->setVariable("ID", $this->getFieldId());
                $a_tpl->setVariable("PROPERTY_VALUE", ilUtil::prepareFormOutput($this->getValue()));
                $a_tpl->setVariable("SIZE", $this->size);
                $a_tpl->setVariable("MAXLENGTH", $this->maxlength);
                if ($this->getDisabled())
                {
                        $a_tpl->setVariable("DISABLED",
                                " disabled=\"disabled\"");
                }
                $a_tpl->parseCurrentBlock();
        }
}