class.ilFontSizeInputGUI.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 ilFontSizeInputGUI extends ilFormPropertyGUI
{
    protected $user;

    protected $value;
    
    public function __construct($a_title = "", $a_postvar = "")
    {
        global $DIC;

        $this->lng = $DIC->language();
        $this->user = $DIC->user();
        parent::__construct($a_title, $a_postvar);
        $this->setType("fontsize");
    }

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

    public function getValue()
    {
        return $this->value;
    }
    
    public function checkInput()
    {
        $lng = $this->lng;
        
        $type = $_POST[$this->getPostVar()]["type"] =
            ilUtil::stripSlashes($_POST[$this->getPostVar()]["type"]);
        $num_value = $_POST[$this->getPostVar()]["num_value"] =
            ilUtil::stripSlashes($_POST[$this->getPostVar()]["num_value"]);
        $num_unit = $_POST[$this->getPostVar()]["num_unit"] =
            ilUtil::stripSlashes($_POST[$this->getPostVar()]["num_unit"]);
        $pre_value = $_POST[$this->getPostVar()]["pre_value"] =
            ilUtil::stripSlashes($_POST[$this->getPostVar()]["pre_value"]);
            
        if ($this->getRequired() && $type == "numeric" && trim($num_value) == "") {
            $this->setAlert($lng->txt("msg_input_is_required"));

            return false;
        }
        
        if ($type == "numeric") {
            if (!is_numeric($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);
            }
        } else {
            $this->setValue($pre_value);
        }
        
        return true;
    }

    public function insert(&$a_tpl)
    {
        $tpl = new ilTemplate("tpl.prop_fontsize.html", true, true, "Services/Style/Content");
        
        $tpl->setVariable("POSTVAR", $this->getPostVar());
        
        $unit_options = ilObjStyleSheet::_getStyleParameterNumericUnits();
        $pre_options = ilObjStyleSheet::_getStyleParameterValues("font-size");
        
        $value = strtolower(trim($this->getValue()));

        if (in_array($value, $pre_options)) {
            $current_type = "pre";
            $tpl->setVariable("PREDEFINED_SELECTED", 'checked="checked"');
        } else {
            $current_type = "unit";
            $tpl->setVariable("NUMERIC_SELECTED", 'checked="checked"');
            $current_unit = "";
            foreach ($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_type == "unit" && $current_unit == $option) {
                $tpl->setVariable("UNIT_SELECTED", 'selected="selected"');
            }
            $tpl->parseCurrentBlock();
        }
        
        foreach ($pre_options as $option) {
            $tpl->setCurrentBlock("pre_option");
            $tpl->setVariable("VAL_PRE", $option);
            $tpl->setVariable("TXT_PRE", $option);
            if ($current_type == "pre" && $value == $option) {
                $tpl->setVariable("PRE_SELECTED", 'selected="selected"');
            }
            $tpl->parseCurrentBlock();
        }

        $a_tpl->setCurrentBlock("prop_generic");
        $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
        $a_tpl->parseCurrentBlock();
    }

    public function setValueByArray($a_values)
    {
        $ilUser = $this->user;
        
        if ($a_values[$this->getPostVar()]["type"] == "predefined") {
            $this->setValue($a_values[$this->getPostVar()]["pre_value"]);
        } else {
            $this->setValue($a_values[$this->getPostVar()]["num_value"] .
                $a_values[$this->getPostVar()]["num_unit"]);
        }
    }
}