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91 lines
1.5 KiB
PHP
91 lines
1.5 KiB
PHP
<?php
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namespace Artmark\BreadCrumbs;
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/**
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* Description of BreadCrumbSequence
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*
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* @author Andrey Pokidov <pokidov@e-traffic.ru>
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*/
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class BreadCrumbSequence
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{
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/**
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*
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* @var BreadCrumbSequence
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*/
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private static $instance = null;
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/**
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*
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* @var CrumbInterface[]
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*/
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private $crumbs = [];
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private function __construct()
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{
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}
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/**
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*
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* @return BreadCrumbSequence
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*/
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public static function instance()
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{
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if (is_null(self::$instance)) {
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self::$instance = new BreadCrumbSequence();
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}
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return self::$instance;
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}
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/**
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*
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* @return CrumbInterface[]
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*/
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public function crumbs()
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{
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return $this->crumbs;
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}
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/**
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*
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* @return $this
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*/
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public function reset()
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{
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if (count($this->crumbs) > 0) {
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$this->crumbs = [];
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}
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return $this;
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}
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/**
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*
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* @param string $url
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* @param string $label
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* @param string $icon
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* @return $this
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*/
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public function append(string $url, string $label, string $icon = '')
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{
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$this->push(new Crumb($url, $label, $icon));
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return $this;
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}
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/**
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*
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* @param CrumbInterface $crumb
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* @return $this
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*/
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public function push(CrumbInterface $crumb)
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{
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if (!in_array($crumb, $this->crumbs)) {
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$this->crumbs[] = $crumb;
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}
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return $this;
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}
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}
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