class.ilWidthHeightInputGUI.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 ilWidthHeightInputGUI extends ilFormPropertyGUI
{
        protected $value;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setType("width_height");
                $this->dirs = array("width", "height");
        }

        function setWidth($a_width)
        {
                $this->width = $a_width;
        }

        function getWidth()
        {
                return $this->width;
        }

        function setHeight($a_height)
        {
                $this->height = $a_height;
        }

        function getHeight()
        {
                return $this->height;
        }

        function setConstrainProportions($a_constrainproportions)
        {
                $this->constrainproportions = $a_constrainproportions;
        }

        function getConstrainProportions()
        {
                return $this->constrainproportions;
        }

        function checkInput()
        {
                global $lng;
                
                foreach ($this->dirs as $dir)
                {
                        $pre_value = $_POST[$this->getPostVar()][$dir]["pre_value"] = 
                                ilUtil::stripSlashes($_POST[$this->getPostVar()][$dir]["pre_value"]);
                                
                        /*
                        if ($this->getRequired() && trim($num_value) == "")
                        {
                                $this->setAlert($lng->txt("msg_input_is_required"));
        
                                return false;
                        }*/
                                                
                        $value = $pre_value;
                        
                        if (trim($value) != "")
                        {
                                switch ($dir)
                                {
                                        case "width": $this->setWidth($value); break;
                                        case "height": $this->setHeight($value); break;
                                }
                        }
                        
                }
                
                return true;
        }

        function insert($a_tpl)
        {
                global $lng;
                
                $tpl = new ilTemplate("tpl.prop_width_height.html", true, true, "Services/MediaObjects");
                
                foreach ($this->dirs as $dir)
                {
                        switch($dir)
                        {
                                case "width": $value = strtolower(trim($this->getWidth())); break;
                                case "height": $value = strtolower(trim($this->getHeight())); break;
                        }
                        $tpl->setVariable("VAL_".strtoupper($dir), $value);
                }
                if ($this->getConstrainProportions())
                {
                        $tpl->setVariable("CHECKED", 'checked="checked"');
                }

                $tpl->setVariable("POST_VAR", $this->getPostVar());
                $tpl->setVariable("TXT_CONSTR_PROP", $lng->txt("cont_constrain_proportions"));
                $wh_ratio = 0;
                if ((int) $this->getHeight() > 0)
                {
                        $wh_ratio = (int) $this->getWidth() / (int) $this->getHeight();
                }
                $tpl->setVariable("WH_RATIO", round($wh_ratio, 6));
                
                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
                $a_tpl->parseCurrentBlock();
                
                $GLOBALS["tpl"]->addJavascript("./Services/MediaObjects/js/ServiceMediaObjectPropWidthHeight.js");
        }

        function setValueByArray($a_values)
        {
                global $ilUser;
                
                $this->setWidth($a_values[$this->getPostVar()]["width"]);
                $this->setHeight($a_values[$this->getPostVar()]["height"]);
                $this->setConstrainProportions($a_values[$this->getPostVar()]["constr_prop"]);
        }

}