class.ilSelectInputGUI.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Table/interfaces/interface.ilTableFilterItem.php");
include_once("./Services/Form/classes/class.ilSubEnabledFormPropertyGUI.php");
include_once 'Services/UIComponent/Toolbar/interfaces/interface.ilToolbarItem.php';
include_once 'Services/Form/interfaces/interface.ilMultiValuesItem.php';

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

        function setOptions($a_options)
        {
                $this->options = $a_options;
        }

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

        function setValue($a_value)
        {
                if($this->getMulti() && is_array($a_value))
                {                                               
                        $this->setMultiValues($a_value);        
                        $a_value = array_shift($a_value);               
                }       
                $this->value = $a_value;
        }

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

        function checkInput()
        {
                global $lng;

                $valid = true;
                if(!$this->getMulti())
                {
                        $_POST[$this->getPostVar()] = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
                        if($this->getRequired() && trim($_POST[$this->getPostVar()]) == "")
                        {
                                $valid = false;
                        }
                }
                else
                {
                        foreach($_POST[$this->getPostVar()] as $idx => $value)
                        {
                                $_POST[$this->getPostVar()][$idx] = ilUtil::stripSlashes($value);
                        }               
                        $_POST[$this->getPostVar()] = array_unique($_POST[$this->getPostVar()]);

                        if($this->getRequired() && !trim(implode("", $_POST[$this->getPostVar()])))
                        {
                                $valid = false;
                        }
                }
                if (!$valid)
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));
                        return false;
                }
                return $this->checkSubItemsInput();
        }
        
        public function addCustomAttribute($a_attr)
        {
                $this->cust_attr[] = $a_attr;
        }
        
        public function getCustomAttributes()
        {
                return (array) $this->cust_attr;
        }

        function render($a_mode = "")
        {
                $tpl = new ilTemplate("tpl.prop_select.html", true, true, "Services/Form");
                
                foreach($this->getCustomAttributes() as $attr)
                {
                        $tpl->setCurrentBlock('cust_attr');
                        $tpl->setVariable('CUSTOM_ATTR',$attr);
                        $tpl->parseCurrentBlock();
                }
                
                // determin value to select. Due to accessibility reasons we
                // should always select a value (per default the first one)
                $first = true;
                foreach($this->getOptions() as $option_value => $option_text)
                {
                        if ($first)
                        {
                                $sel_value = $option_value;
                        }
                        $first = false;
                        if ((string) $option_value == (string) $this->getValue())
                        {
                                $sel_value = $option_value;
                        }
                }
                foreach($this->getOptions() as $option_value => $option_text)
                {
                        $tpl->setCurrentBlock("prop_select_option");
                        $tpl->setVariable("VAL_SELECT_OPTION", ilUtil::prepareFormOutput($option_value));
                        if((string) $sel_value == (string) $option_value)
                        {
                                $tpl->setVariable("CHK_SEL_OPTION",
                                        'selected="selected"');
                        }
                        $tpl->setVariable("TXT_SELECT_OPTION", $option_text);
                        $tpl->parseCurrentBlock();
                }
                $tpl->setVariable("ID", $this->getFieldId());
                
                $postvar = $this->getPostVar();         
                if($this->getMulti() && substr($postvar, -2) != "[]")
                {
                        $postvar .= "[]";
                }
                
                if ($this->getDisabled())
                {                                               
                        if($this->getMulti())
                        {
                                $value = $this->getMultiValues();
                                $hidden = "";   
                                if(is_array($value))
                                {
                                        foreach($value as $item)
                                        {
                                                $hidden .= $this->getHiddenTag($postvar, $item);
                                        }
                                }
                        }
                        else
                        {                       
                                $hidden = $this->getHiddenTag($postvar, $this->getValue());
                        }                       
                        if($hidden)
                        {
                                $tpl->setVariable("DISABLED", " disabled=\"disabled\"");
                                $tpl->setVariable("HIDDEN_INPUT", $hidden);
                        }                       
                }
                else
                {                                       
                        $tpl->setVariable("POST_VAR", $postvar);
                }
                
                // multi icons
                if($this->getMulti() && !$a_mode && !$this->getDisabled())
                {
                        $tpl->setVariable("MULTI_ICONS", $this->getMultiIconsHTML());                   
                }

                return $tpl->get();
        }
        
        function insert(&$a_tpl)
        {
                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $this->render());
                $a_tpl->parseCurrentBlock();
        }

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

        function getToolbarHTML()
        {
                $html = $this->render("toolbar");
                return $html;
        }

}