<?php
/**
* This file contains the DomNodeAttributeCapable trait.
*
* PHP Version 5.3
*
* @category DOM
* @package Dom
* @author Gonzalo Chumillas <gonzalo@soloproyectos.com>
* @license https://raw.github.com/soloproyectos/core/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/core
*/
namespace com\soloproyectos\common\dom;
/**
* DomNodeAttributeCapable trait.
*
* @category DOM
* @package Dom
* @author Gonzalo Chumillas <gonzalo@soloproyectos.com>
* @license https://raw.github.com/soloproyectos/core/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/core
*/
trait DomNodeAttributeCapable
{
/**
* List of elements.
*
* @return array of DOMElement
*/
abstract public function elements();
/**
* Gets or sets an attribute.
*
* @param string $name Attribute name
* @param string $value Attribute value (not required)
*
* @return DomNode|string
*/
public function attr($name, $value = null)
{
if (func_num_args() > 1) {
return $this->_setAttribute($name, $value);
}
return $this->_getAttribute($name);
}
/**
* Has the node an attribute?
*
* @param string $name Attribute name
*
* @return boolean
*/
public function hasAttr($name)
{
foreach ($this->elements() as $element) {
return $element->hasAttribute($name);
}
return false;
}
/**
* Gets an attribute.
*
* @param string $name Attribute name
*
* @return string
*/
private function _getAttribute($name)
{
foreach ($this->elements() as $element) {
return $element->getAttribute($name);
}
return "";
}
/**
* Sets an attribute.
*
* @param string $name Attribute name
* @param string $value Attribute value
*
* @return DomNode
*/
private function _setAttribute($name, $value)
{
foreach ($this->elements() as $element) {
$element->setAttribute($name, $value);
}
return $this;
}
}
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