class.ilNumericStyleValueInputGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2007 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 ilNumericStyleValueInputGUI extends ilFormPropertyGUI
{
        protected $value;
        protected $allowpercentage = true;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setType("style_numeric");
                
        }
 
        function setValue($a_value)
        {
                $this->value = $a_value;
        }
 
        function getValue()
        {
                return $this->value;
        }
        
        function setAllowPercentage($a_allowpercentage)
        {
                $this->allowpercentage = $a_allowpercentage;
        }
 
        function getAllowPercentage()
        {
                return $this->allowpercentage;
        }
 
        function checkInput()
        {
                global $lng;
                
                $num_value = $_POST[$this->getPostVar()]["num_value"] = 
                        trim(ilUtil::stripSlashes($_POST[$this->getPostVar()]["num_value"]));
                $num_unit = $_POST[$this->getPostVar()]["num_unit"] = 
                        trim(ilUtil::stripSlashes($_POST[$this->getPostVar()]["num_unit"]));
                        
                if ($this->getRequired() && trim($num_value) == "")
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));
 
                        return false;
                }
                
                if (!is_numeric($num_value) && $num_value != "")
                {
                        $this->setAlert($lng->txt("sty_msg_input_must_be_numeric"));
 
                        return false;
                }
                
                if (trim($num_value) != "")
                {
                        $this->setValue($num_value.$num_unit);
                }
                
                return true;
        }
 
        function insert(&$a_tpl)
        {
                $tpl = new ilTemplate("tpl.prop_style_numeric.html", true, true, "Services/Style/Content");
                
                $tpl->setVariable("POSTVAR", $this->getPostVar());
                
                $unit_options = ilObjStyleSheet::_getStyleParameterNumericUnits(!$this->getAllowPercentage());
                
                $value = strtolower(trim($this->getValue()));
 
                $current_unit = "";
                foreach ($unit_options as $u)
                {
                        if (substr($value, strlen($value) - strlen($u)) == $u)
                        {
                                $current_unit = $u;
                        }
                }
                $tpl->setVariable("VAL_NUM",
                        substr($value, 0, strlen($value) - strlen($current_unit)));
                if ($current_unit == "")
                {
                        $current_unit = "px";
                }
                
                foreach ($unit_options as $option)
                {
                        $tpl->setCurrentBlock("unit_option");
                        $tpl->setVariable("VAL_UNIT", $option);
                        $tpl->setVariable("TXT_UNIT", $option);
                        if ($current_unit == $option)
                        {
                                $tpl->setVariable("UNIT_SELECTED", 'selected="selected"');
                        }
                        $tpl->parseCurrentBlock();
                }
 
                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
                $a_tpl->parseCurrentBlock();
        }
 
        function setValueByArray($a_values)
        {
                global $ilUser;
                
                $this->setValue($a_values[$this->getPostVar()]["num_value"].
                        $a_values[$this->getPostVar()]["num_unit"]);
        }
 
}