class.ilRadioGroupInputGUI.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. |
        +-----------------------------------------------------------------------------+
*/

include_once("./Services/Form/classes/class.ilRadioOption.php");

class ilRadioGroupInputGUI extends ilSubEnabledFormPropertyGUI implements ilTableFilterItem
{
        protected $options = array();
        protected $value;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setType("radio");
        }

        function addOption($a_option)
        {
                $this->options[] = $a_option;
        }

        function getOptions()
        {
                return $this->options;
        }

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

        function getValue()
        {
                return $this->value;
        }
        
        function setValueByArray($a_values)
        {
                $this->setValue($a_values[$this->getPostVar()]);
                foreach($this->getOptions() as $option)
                {
                        foreach($option->getSubItems() as $item)
                        {
                                $item->setValueByArray($a_values);
                        }
                }
        }

        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;
                }
                
                $ok = true;
                foreach($this->getOptions() as $option)
                {
                        foreach($option->getSubItems() as $item)
                        {
                                $item_ok = $item->checkInput();
                                if (!$item_ok && ($_POST[$this->getPostVar()] == $option->getValue()))
                                {
                                        $ok = false;
                                }
                        }
                }
                return $ok;
        }

        function insert(&$a_tpl)
        {
                $html = $this->render();

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

        function render()
        {
                $tpl = new ilTemplate("tpl.prop_radio.html", true, true, "Services/Form");
                
                foreach($this->getOptions() as $option)
                {
                        // information text for option
                        if ($option->getInfo() != "")
                        {
                                $tpl->setCurrentBlock("radio_option_desc");
                                $tpl->setVariable("RADIO_OPTION_DESC", $option->getInfo());
                                $tpl->parseCurrentBlock();
                        }
                        
                        
                        if (count($option->getSubItems()) > 0)
                        {
                                if ($option->getValue() != $this->getValue())
                                {
                                        $tpl->touchBlock("prop_radio_opt_hide");
                                        $tpl->setVariable("HOP_ID", $this->getFieldId()."_".$option->getValue());
                                        $tpl->parseCurrentBlock();
                                }
                                $tpl->setCurrentBlock("radio_option_subform");
                                $pf = new ilPropertyFormGUI();
                                $pf->setMode("subform");
                                $pf->setItems($option->getSubItems());
                                $tpl->setVariable("SUB_FORM", $pf->getContent());
                                $tpl->setVariable("SOP_ID", $this->getFieldId()."_".$option->getValue());
                                if ($pf->getMultipart())
                                {
                                        $this->getParentForm()->setMultipart(true);
                                }
                                $tpl->parseCurrentBlock();
                                if ($pf->getMultipart())
                                {
                                        $this->getParentForm()->setMultipart(true);
                                }
                        }

                        $tpl->setCurrentBlock("prop_radio_option");
                        if (!$this->getDisabled())
                        {
                                $tpl->setVariable("POST_VAR", $this->getPostVar());
                        }
                        $tpl->setVariable("VAL_RADIO_OPTION", $option->getValue());
                        $tpl->setVariable("OP_ID", $this->getFieldId()."_".$option->getValue());
                        $tpl->setVariable("FID", $this->getFieldId());
                        if($this->getDisabled() or $option->getDisabled())
                        {
                                $tpl->setVariable('DISABLED','disabled="disabled" ');
                        }
                        if ($option->getValue() == $this->getValue())
                        {
                                $tpl->setVariable("CHK_RADIO_OPTION",
                                        'checked="checked"');
                        }
                        $tpl->setVariable("TXT_RADIO_OPTION", $option->getTitle());
                        
                        
                        $tpl->parseCurrentBlock();
                }
                $tpl->setVariable("ID", $this->getFieldId());
                
                if ($this->getDisabled())
                {
                        $tpl->setVariable("HIDDEN_INPUT",
                                $this->getHiddenTag($this->getPostVar(), $this->getValue()));
                }

                return $tpl->get();
        }

        function getItemByPostVar($a_post_var)
        {
                if ($this->getPostVar() == $a_post_var)
                {
                        return $this;
                }

                foreach($this->getOptions() as $option)
                {
                        foreach($option->getSubItems() as $item)
                        {
                                if ($item->getType() != "section_header")
                                {
                                        $ret = $item->getItemByPostVar($a_post_var);
                                        if (is_object($ret))
                                        {
                                                return $ret;
                                        }
                                }
                        }
                }
                
                return false;
        }

        function getTableFilterHTML()
        {
       return $this->render();
        }
}