class.ilADTEnumDefinition.php

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<?php

class ilADTEnumDefinition extends ilADTDefinition
{
        protected $options; // [array]  
        protected $numeric; // [bool]
        
        public function getType()
        {
                return "Enum";
        }
        
        
        // default
        
        public function reset() 
        {
                parent::reset();
                
                $this->options = array();
                $this->setNumeric(true);
        }               
        
        
        // properties
                
        public function isNumeric()
        {
                return $this->numeric;
        }
        
        public function setNumeric($a_value)
        {
                $this->numeric = $a_value;              
        }
        
        public function getOptions()
        {
                return $this->options;
        }
        
        public function setOptions(array $a_values)
        {
                if($this->isNumeric())
                {
                        foreach(array_keys($a_values) as $key)
                        {
                                if(!is_numeric($key))
                                {
                                        throw new Exception("ilADTEnum was expecting numeric option keys");
                                }
                        }
                }
                
                $this->options = $a_values;             
        }

        
        // comparison
                
        public function isComparableTo(ilADT $a_adt)
        {
                // has to be enum-based
                return ($a_adt instanceof ilADTEnum);
        }       
        
        
        // ADT instance
        
        public function getADTInstance()
        {
                if($this->isNumeric())
                {
                        $class = "ilADTEnumNumeric";
                }
                else
                {
                        $class = "ilADTEnumText";
                }
                include_once "Services/ADT/classes/Types/Enum/class.ilADTEnum.php";
                include_once "Services/ADT/classes/Types/Enum/class.".$class.".php";
                return new $class($this);
        }
}

?>