/**
* Returns unused fields that are available for use in either default or additional list views
* @return array List of available fields as an array, where key = value = <field name>
*/
function getAvailableFields()
{
$availableFields = array();
// Select available fields from the field definitions - don't need to worry about checking if ok to include as the Implementation has done that already in its constructor
foreach ($this->_fielddefs as $key => $def) {
if ($this->isValidField($key, $def)) {
$availableFields[$key] = self::_trimFieldDefs($this->_fielddefs[$key]);
}
}
//$GLOBALS['log']->debug(get_class($this).'->getAvailableFields(): '.print_r($availableFields,true));
// now remove all fields that are already in the viewdef - they are not available; they are in use
return ListLayoutMetaDataParser::getArrayDiff($availableFields, $this->_viewdefs);
}
