Transphporm\Hook\ElementData

Complexity

Total Complexity

12

Size/Duplication

Total Lines	31
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	bind()	0	7	4
A	isObjectArray()	0	3	3
A	getData()	0	7	4

<?php
/* @description     Transformation Style Sheets - Revolutionising PHP templating    *
 * @author          Tom Butler tom@r.je                                             *
 * @copyright       2015 Tom Butler <tom@r.je> | https://r.je/                      *
 * @license         http://www.opensource.org/licenses/bsd-license.php  BSD License *
 * @version         1.0                                                             */
namespace Transphporm\Hook;
/* Maps which data is applied to which element */
class ElementData {
	private $data; 
	private $elementMap;

	public function __construct(\SplObjectStorage $elementMap, $data) {
		$this->elementMap = $elementMap;
		$this->data = $data;
	}

	/** Binds data to an element */
	public function bind(\DomNode $element, $data, $type = 'data') {
		//This is a bit of a hack to workaround #24, might need a better way of doing this if it causes a problem
		if (is_array($data) && $this->isObjectArray($data)) $data = $data[0];
		$content = isset($this->elementMap[$element]) ? $this->elementMap[$element] : [];
		$content[$type] = $data;
		$this->elementMap[$element] = $content;
	}

	private function isObjectArray(array $data) {
		return count($data) === 1 && isset($data[0]) && is_object($data[0]);
	}

	/** Returns the data that has been bound to $element, or, if no data is bound to $element climb the DOM tree to find the data bound to a parent node*/
	public function getData(\DomElement $element = null, $type = 'data') {
		while ($element) {
			if (isset($this->elementMap[$element]) && isset($this->elementMap[$element][$type])) return $this->elementMap[$element][$type];
			$element = $element->parentNode;
		}
		return $this->data;
	}
}