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AutoTreeTrait.php
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AutoTreeTrait.php
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<?php
namespace paulzi\autotree;
use yii\base\InvalidCallException;
trait AutoTreeTrait
{
/**
* @var \yii\base\Behavior[]
*/
private $_autoTreeMap;
private $_autoTreeReturnBehavior = false;
/**
* @return array
*/
private static function autoTreeAliases()
{
return [
'paulzi\adjacencyList\AdjacencyListBehavior' => 'al',
'paulzi\adjacencylist\AdjacencyListBehavior' => 'al',
'paulzi\nestedSets\NestedSetsBehavior' => 'ns',
'paulzi\nestedsets\NestedSetsBehavior' => 'ns',
'paulzi\nestedIntervals\NestedIntervalsBehavior' => 'ni',
'paulzi\nestedintervals\NestedIntervalsBehavior' => 'ni',
'paulzi\materializedPath\MaterializedPathBehavior' => 'mp',
'paulzi\materializedpath\MaterializedPathBehavior' => 'mp',
];
}
/**
*
*/
private function autoTreeInit()
{
/** @var \yii\base\Component|self $this */
$aliases = $this->autoTreeAliases();
foreach ($this->getBehaviors() as $behavior) {
$className = $behavior::className();
if (isset($aliases[$className]) && !isset($this->_autoTreeMap[$aliases[$className]])) {
$this->_autoTreeMap[$aliases[$className]] = $behavior;
}
}
}
/**
* @param string $method
* @param array $list
* @param array $arguments
* @param bool $firstOnly
* @return mixed
*/
private function autoTreeCall($method, $list, $arguments = [], $firstOnly = true)
{
if ($this->_autoTreeMap === null) {
$this->autoTreeInit();
}
$result = null;
$founded = false;
foreach ($list as $alias) {
if (isset($this->_autoTreeMap[$alias])) {
$behavior = $this->_autoTreeMap[$alias];
if (method_exists($behavior, $method)) {
if ($this->_autoTreeReturnBehavior) {
return $behavior;
}
$founded = true;
$result = call_user_func_array([$behavior, $method], $arguments);
if ($firstOnly) {
return $result;
}
}
}
}
if (!$founded) {
throw new InvalidCallException("Method '{$method}' not founded");
}
return $result;
}
/**
* @inheritdoc
*/
public function __get($name)
{
/** @var \yii\db\BaseActiveRecord|self $this */
// replace getParents() by getParentsOrdered() if behavior not support ordered query
if ($name === 'parents') {
$this->_autoTreeReturnBehavior = true;
$behavior = $this->getParents();
$this->_autoTreeReturnBehavior = false;
if (method_exists($behavior, 'getParentsOrdered')) {
$this->populateRelation($name, $behavior->getParentsOrdered());
}
}
if ($name === 'descendants') {
$this->_autoTreeReturnBehavior = true;
$behavior = $this->getDescendants();
$this->_autoTreeReturnBehavior = false;
if (method_exists($behavior, 'getDescendantsOrdered')) {
$this->populateRelation($name, $behavior->getDescendantsOrdered());
}
}
return parent::__get($name);
}
/**
* @param int|null $depth
* @return \yii\db\ActiveQuery
*/
public function getParents($depth = null)
{
return $this->autoTreeCall('getParents', ['mp', 'ns', 'ni', 'al'], [$depth]);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getParent()
{
return $this->autoTreeCall('getParent', ['al', 'mp', 'ns', 'ni']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getRoot()
{
return $this->autoTreeCall('getRoot', ['mp', 'ns', 'ni', 'al']);
}
/**
* @param int|null $depth
* @param bool $andSelf
* @return \yii\db\ActiveQuery
*/
public function getDescendants($depth = null, $andSelf = false)
{
return $this->autoTreeCall('getDescendants', ['ns', 'ni', 'mp', 'al'], [$depth, $andSelf]);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getChildren()
{
return $this->autoTreeCall('getChildren', ['al', 'ns', 'ni', 'mp']);
}
/**
* @param int|null $depth
* @return \yii\db\ActiveQuery
*/
public function getLeaves($depth = null)
{
return $this->autoTreeCall('getLeaves', ['ns', 'al', 'mp', 'ni'], [$depth]);
}
/**
* @return \yii\db\ActiveQuery
* @throws \yii\base\NotSupportedException
*/
public function getPrev()
{
return $this->autoTreeCall('getPrev', ['ns', 'mp', 'ni', 'al']);
}
/**
* @return \yii\db\ActiveQuery
* @throws \yii\base\NotSupportedException
*/
public function getNext()
{
return $this->autoTreeCall('getNext', ['ns', 'mp', 'ni', 'al']);
}
/**
* Populate children relations for self and all descendants
* @param int $depth = null
* @param string|array $with = null
* @return self
*/
public function populateTree($depth = null, $with = null)
{
return $this->autoTreeCall('populateTree', ['ns', 'ni', 'mp', 'al'], [$depth, $with]);
}
/**
* @return bool
*/
public function isRoot()
{
return $this->autoTreeCall('isRoot', ['al', 'ns', 'ni', 'mp']);
}
/**
* @param \yii\db\BaseActiveRecord $node
* @return bool
*/
public function isChildOf($node)
{
return $this->autoTreeCall('isChildOf', ['ns', 'ni', 'mp', 'al'], [$node]);
}
/**
* @return bool
*/
public function isLeaf()
{
return $this->autoTreeCall('isLeaf', ['ns', 'al', 'ni', 'mp']);
}
/**
* @return $this
*/
public function makeRoot()
{
return $this->autoTreeCall('makeRoot', ['al', 'ns', 'ni', 'mp'], [], false);
}
/**
* @param \yii\db\BaseActiveRecord $node
* @return $this
*/
public function prependTo($node)
{
return $this->autoTreeCall('prependTo', ['al', 'ns', 'ni', 'mp'], [$node], false);
}
/**
* @param \yii\db\BaseActiveRecord $node
* @return $this
*/
public function appendTo($node)
{
return $this->autoTreeCall('appendTo', ['al', 'ns', 'ni', 'mp'], [$node], false);
}
/**
* @param \yii\db\BaseActiveRecord $node
* @return $this
*/
public function insertBefore($node)
{
return $this->autoTreeCall('insertBefore', ['al', 'ns', 'ni', 'mp'], [$node], false);
}
/**
* @param \yii\db\BaseActiveRecord $node
* @return $this
*/
public function insertAfter($node)
{
return $this->autoTreeCall('insertAfter', ['al', 'ns', 'ni', 'mp'], [$node], false);
}
/**
* @return bool|int
* @throws \Exception
* @throws \yii\db\Exception
*/
public function deleteWithChildren()
{
/** @var \yii\db\BaseActiveRecord|self $this */
$this->autoTreeCall('preDeleteWithChildren', ['ns', 'ni', 'mp', 'al'], [], false);
return $this->autoTreeCall('deleteWithChildren', ['ns', 'ni', 'mp', 'al']);
}
}