/**
* Class constructor
*
* @param mixed $parent Parent record (Q\DB_Record), parent table (Q\DB_Record) or Database connection (Q\DB)
* @param array $properties Field properties (can be passed as reference)
* @param mixed $value
*/
protected function __construct($parent, $properties, $value = null)
{
parent::__construct($parent, $properties);
if ($this->mode == self::MODE_ACTIVE) {
$this->setValue($value);
}
}
/**
* Cast a value according to the field type property or generate value for insert/update
*
* @param mixed $value
* @param string $action 'insert', 'update' or NULL
* @return mixed
*/
function castValue($value, $action = null)
{
if (isset($action) && ($this->_generateAction === 'both' || $this->_generateAction === $action)) {
return $this->generate($value);
}
return parent::castValue($value, $action);
}
/**
* The class constructor.
*
* @param Q\DB_Result|Q\DB_Table $source
* @param array $values Ordered or associated array with values
*/
protected function __construct($source = null, $values = null)
{
if (!isset($source)) {
$fields = array();
foreach ((array) $values as $key => $value) {
$this->_fieldIndex[$key] = array_push($this->_fields, DB_Field::create(null, array('name' => $key, 'table' => null, 'type' => gettype($value)), $value)) - 1;
}
} else {
$this->_link = $source->getConnection();
$this->_baseTable = $source instanceof DB_Table ? $source : $source->getBasetable();
list($fields, $this->_fieldIndex, $this->_fieldnames, $this->_tablerefs) = $source->getInternalInfo();
if (!isset($values)) {
foreach ($fields as $i => $fd) {
$this->_fields[$i] = $fd->asNewActive($this);
}
} else {
foreach ($fields as $i => $fd) {
$this->_fields[$i] = $fd->asActive(isset($values[$fd->getName()]) ? $values[$fd->getName()] : (isset($values[$i]) ? $values[$i] : null), $this);
}
}
}
}
/**
* Create fields based on the result.
*/
protected function initFields()
{
$this->fields = array();
if ($this->getBaseTable()) {
$meta[null] = $this->getBaseTable()->getProperties();
$meta[$this->getBaseTable()->getTablename()] =& $meta[null];
} else {
$meta[null] = array();
}
foreach ($this->fetchFieldProperties() as $p) {
list($props, $props_def) = $p;
$tbl = !empty($props['table_db']) ? $props['table_db'] : null;
if (!isset($meta[$tbl])) {
$meta[$tbl] =& $this->link->getMetaData($tbl);
}
$fieldmeta = isset($meta[$tbl][$props['name_db']]) ? $meta[$tbl][$props['name_db']] : array();
// Apply alias settings
if ($props['name'] != $props['name_db']) {
unset($fieldmeta['description']);
$key = strpos($props['name'], ':') !== false ? "#{$props['name']}" : "#alias:{$props['name']}";
if (isset($meta[null][$key])) {
$fieldmeta = $meta[null][$key] + $fieldmeta;
}
}
// Fix: Enum and set fields in query results are interpreted as string
if ($props['type'] === 'char' && isset($fieldmeta['type']) && ($fieldmeta['type'] === 'enum' || $fieldmeta['type'] === 'set')) {
unset($props['type']);
}
$props = $props + $fieldmeta + $props_def;
if (!isset($props['table_def'])) {
$this->link->applyFieldDefaults($props);
}
$this->fields[] = DB_Field::create($this, $props);
}
$this->refreshFieldIndex();
}
/**
* Create DB_Fields based on the supplied metadata
*
* @param array $metadata
*/
protected function createFields($metadata)
{
foreach ($metadata as $name => $properties) {
if ($name[0] == '#') {
continue;
}
$field = DB_Field::create($this, $properties);
$this->_fieldindex[$name] = $field;
if ($properties['db_name']) {
$this->_fields[] = $field;
}
}
$this->reindex();
}
