function delete($oid = '')
{
if (empty($oid)) {
// if empty, use the values of the current keys
$keynames = $this->getKeyNames();
foreach ($keynames as $key => $value) {
$oid[$key] = $this->{$key};
}
if (empty($oid)) {
// if still empty, fail
$this->setError(JText::_("Cannot delete with empty key"));
return false;
}
}
if (!is_array($oid)) {
$keyName = $this->getKeyName();
$arr = array();
$arr[$keyName] = $oid;
$oid = $arr;
}
$db = $this->getDBO();
// initialize the query
$query = new K2StoreQuery();
$query->delete();
$query->from($this->getTableName());
foreach ($oid as $key => $value) {
// Check that $key is field in table
if (!in_array($key, array_keys($this->getProperties()))) {
$this->setError(get_class($this) . ' does not have the field ' . $key);
return false;
}
// add the key=>value pair to the query
$value = $db->Quote($db->escape(trim(strtolower($value))));
$query->where($key . ' = ' . $value);
}
$db->setQuery((string) $query);
if ($db->query()) {
return true;
} else {
$this->setError($db->getErrorMsg());
return false;
}
}
protected function _buildResultQuery()
{
$query = new K2StoreQuery();
$query->select($this->getState('select', 'COUNT(*)'));
$this->_buildQueryFrom($query);
$this->_buildQueryJoins($query);
$this->_buildQueryWhere($query);
$this->_buildQueryGroup($query);
$this->_buildQueryHaving($query);
return $query;
}
/**
* Loads a row from the database and binds the fields to the object properties
*
* @access public
* @param mixed Optional primary key. If not specifed, the value of current key is used
* @return boolean True if successful
*/
function load($oid = null, $reset = true)
{
if (!is_array($oid)) {
// load by primary key if not array
$keyName = $this->getKeyName();
$oid = array($keyName => $oid);
}
if (empty($oid)) {
// if empty, use the value of the current key
$keyName = $this->getKeyName();
$oid = $this->{$keyName};
if (empty($oid)) {
// if still empty, fail
$this->setError(JText::_("Cannot load with empty key"));
return false;
}
}
// allow $oid to be an array of key=>values to use when loading
$oid = (array) $oid;
if (!empty($reset)) {
$this->reset();
}
$db = $this->getDBO();
// initialize the query
$query = new K2StoreQuery();
$query->select('*');
$query->from($this->getTableName());
foreach ($oid as $key => $value) {
// Check that $key is field in table
if (!in_array($key, array_keys($this->getProperties()))) {
$this->setError(get_class($this) . ' does not have the field ' . $key);
return false;
}
// add the key=>value pair to the query
$value = $db->Quote($db->escape(trim(strtolower($value))));
$query->where($key . ' = ' . $value);
}
$db->setQuery((string) $query);
if ($result = $db->loadAssoc()) {
$result = $this->bind($result);
if ($result) {
$dispatcher = JDispatcher::getInstance();
$dispatcher->trigger('onLoad' . $this->get('_suffix'), array(&$this));
}
return $result;
} else {
$this->setError($db->getErrorMsg());
return false;
}
}