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<?php |
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/** |
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* Collection library for Yii2. |
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* |
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* @link https://github.com/hiqdev/yii2-collection |
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* @package yii2-collection |
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* @license BSD-3-Clause |
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* @copyright Copyright (c) 2015-2017, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\php\collection\yii; |
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use yii\helpers\Yii; |
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/** |
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* Manager Trait. |
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* Like basic collection but instantiates items when getting. |
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*/ |
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trait ManagerTrait |
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{ |
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use ObjectTrait; |
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/** |
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* @var string default class to create item objects |
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*/ |
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protected $_itemClass; |
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public function setItemClass($class) |
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{ |
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$this->_itemClass = $class; |
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} |
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public function getItemClass() |
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{ |
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return $this->_itemClass ?: get_called_class(); |
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} |
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public function getItemConfig($name = null, array $config = []) |
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{ |
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if (!isset($config['__class'])) { |
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$config['__class'] = $this->getItemClass($name, $config) ?: get_called_class(); |
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} |
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return $config; |
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} |
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/** |
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* Creates item instance from array configuration. |
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* @param string $name item name |
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* @param array $config item instance configuration |
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* @return object instance |
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*/ |
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protected function createItem($name, array $config = []) |
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{ |
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return Yii::createObject($this->getItemConfig($name, $config)); |
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} |
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/** |
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* Returns item by name. Instantiates it before. |
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* @param string $name item name |
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* @param mixed $default default value |
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* @return object item instance |
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*/ |
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public function getItem($name, $default = null) |
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{ |
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if (empty($this->_items[$name])) { |
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$this->_items[$name] = $default; |
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} |
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$item = &$this->_items[$name]; |
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if (is_array($item) || is_null($item)) { |
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$item = $this->createItem($name, $item ?: []); |
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} |
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return $item; |
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} |
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public function hasObject($name) |
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{ |
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return is_object($this->_items[$name]); |
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} |
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/** |
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* Get them all as array of items! |
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* Instantiates all the items. |
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* @return array list of items |
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* @see get |
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*/ |
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public function getItems() |
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{ |
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foreach ($this->_items as $name => $item) { |
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$this->getItem($name); |
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} |
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return $this->_items; |
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} |
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/** |
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* Get raw items - uninstantiated. |
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* @return array |
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*/ |
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public function rawItems() |
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{ |
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return $this->_items; |
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} |
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} |
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hiqdev /
php-collection
