widgets revrited on using virtual types

Author: KozakSerhii

Block/Widget/Link.php

@@ -0,0 +1,139 @@
+<?php
+/**
+ * Copyright © Magefan (support@magefan.com). All rights reserved.
+ * Please visit Magefan.com for license details (https://magefan.com/end-user-license-agreement).
+ *
+ * Glory to Ukraine! Glory to the heroes!
+ */
+namespace Magefan\Blog\Block\Widget;
+
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\View\Element\Template;
+use Magefan\Blog\Model\Url;
+
+/**
+ * Class Link
+ */
+class Link extends \Magento\Framework\View\Element\Template implements \Magento\Widget\Block\BlockInterface
+{
+
+    const CLASS_AUTHOR = 'author';
+    /**
+     * @var string
+     */
+    protected $_href;
+
+    /**
+     * @var string
+     */
+    protected $_anchorText;
+
+    /**
+     * @var Url
+     */
+    protected $urlFinder;
+
+    /**
+     * @var null
+     */
+    protected $modelRepository;
+
+    /**
+     * @var null
+     */
+    protected $model = null;
+
+    /**
+     * AdstractLink constructor.
+     * @param Template\Context $context
+     * @param Url $urlFinder
+     * @param null $modelRepository
+     * @param array $data
+     */
+    public function __construct(
+        Template\Context $context,
+        Url $urlFinder,
+        $modelRepository,
+        array $data = []
+    ) {
+        parent::__construct($context, $data);
+        $this->urlFinder = $urlFinder;
+        $this->modelRepository = $modelRepository;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHref()
+    {
+        if ($this->_href === null && $this->model) {
+            if ($this->model->getData('identifier') && $this->model->getControllerName() != self::CLASS_AUTHOR && $this->model->getControllerName()) {
+                $this->_href = $this->urlFinder->getUrlPath($this->model->getData('identifier'), $this->model->getControllerName());
+            } elseif ($this->model->getControllerName() == self::CLASS_AUTHOR) {
+                $this->_href = $this->model->getUrl();
+            }
+        }
+        return $this->_href;
+    }
+
+    /**
+     * @return mixed|string
+     */
+    public function getLabel()
+    {
+        if (!$this->_anchorText) {
+            if ($this->getData('anchor_text')) {
+                $this->_anchorText = $this->getData('anchor_text');
+            } elseif ($this->model && $this->model->getControllerName() != self::CLASS_AUTHOR && $this->model->getData('title')) {
+                $this->_anchorText = $this->model->getData('title');
+            } elseif ($this->model && $this->model->getData('meta-title')) {
+                $this->_anchorText = $this->model->getData('meta-title');
+            } elseif ($this->model->getControllerName() == self::CLASS_AUTHOR) {
+                $this->_anchorText = $this->model->getTitle();
+            }
+        }
+        return $this->_anchorText;
+    }
+
+    /**
+     * @return string
+     */
+    protected function _toHtml()
+    {
+        try {
+            if ($this->getData('entity_id')) {
+                $this->model = $this->getRepository()->getbyId($this->getData('entity_id'));
+            }
+            if (!$this->getHref()) {
+                return '<b>' . $this->escapeHtml($this->getLabel()) . '</b>';
+            } else {
+                return '<a href="' . $this->getHref() . '" title="' . $this->getData('anchor_title') . '">' . $this->escapeHtml($this->getLabel()) . '</a>';
+            }
+            return '';
+
+        } catch (NoSuchEntityException $e) {
+            return '';
+//            return '<b>There is no object with such link</b>';
+        }
+    }
+
+    /**
+     * @return \Magento\Framework\App\ObjectManager
+     */
+    private function ObjectManager()
+    {
+        return $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
+    }
+
+    /**
+     * @return mixed|null
+     */
+    private function getRepository()
+    {
+        if (is_array($this->modelRepository)) {
+            $this->modelRepository = $this->ObjectManager()->get($this->modelRepository['instance']);
+        }
+        return $this->modelRepository;
+    }
+
+}