0

How to display "View All" Link after all sub categories in Magento 2.

I used this blog. But, It's display main menu and sub menu. I want to add "View All" in all sub categories after 5 categories.

How to Add "View All" Link?

Any help would be appreciated.

Thanks.

2

You can override block and apply this functionality using this below way :

Create di.xml for add preference :

app/code/RH/CustomLinkAdd/etc/frontend/di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\Theme\Block\Html\Topmenu" type="RH\CustomLinkAdd\Block\Html\Topmenu" />
</config>

Create Topmenu file on below path and paste below code :

app/code/RH/CustomLinkAdd/Block/Html/Topmenu.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace RH\CustomLinkAdd\Block\Html;

use Magento\Framework\Data\Tree\Node;
use Magento\Framework\Data\Tree\NodeFactory;
use Magento\Framework\Data\TreeFactory;
use Magento\Framework\View\Element\Template;
use Magento\Framework\Data\Tree\Node\Collection;

class Topmenu extends \Magento\Theme\Block\Html\Topmenu
{
    /**
     * Cache identities
     *
     * @var array
     */
    protected $identities = [];

    /**
     * Top menu data tree
     *
     * @var Node
     */
    protected $_menu;

    /**
     * @var NodeFactory
     */
    private $nodeFactory;

    /**
     * @var TreeFactory
     */
    private $treeFactory;

    private $categoryFactory;

    protected $isLastNode = "";
    protected $indexCounter = 0;

    /**
     * @param Template\Context $context
     * @param NodeFactory $nodeFactory
     * @param TreeFactory $treeFactory
     * @param array $data
     */
    public function __construct(
        Template\Context $context,
        NodeFactory $nodeFactory,
        TreeFactory $treeFactory,
        \Magento\Catalog\Model\CategoryFactory $categoryFactory,
        array $data = []
    ) {
        parent::__construct($context, $nodeFactory, $treeFactory, $data);
        $this->categoryFactory = $categoryFactory;
    }

    private function getChildLevel($parentLevel): int
    {
        return $parentLevel === null ? 0 : $parentLevel + 1;
    }
    private function removeChildrenWithoutActiveParent(Collection $children, int $childLevel): void
    {
        /** @var Node $child */
        foreach ($children as $child) {
            if ($childLevel === 0 && $child->getData('is_parent_active') === false) {
                $children->delete($child);
            }
        }
    }
    private function setCurrentClass(Node $child, string $outermostClass): void
    {
        $currentClass = $child->getClass();
        if (empty($currentClass)) {
            $child->setClass($outermostClass);
        } else {
            $child->setClass($currentClass . ' ' . $outermostClass);
        }
    }
    private function shouldAddNewColumn(array $colBrakes, int $counter): bool
    {
        return count($colBrakes) && $colBrakes[$counter]['colbrake'];
    }
    protected function _getRenderedMenuItemAttributes(Node $item)
    {
        $html = '';
        foreach ($this->_getMenuItemAttributes($item) as $attributeName => $attributeValue) {
            $html .= ' ' . $attributeName . '="' . str_replace('"', '\"', $attributeValue) . '"';
        }
        return $html;
    }

    /**
     * Returns array of menu item's attributes
     *
     * @param Node $item
     * @return array
     */
    protected function _getMenuItemAttributes(Node $item)
    {
        return ['class' => implode(' ', $this->_getMenuItemClasses($item))];
    }

    /**
     * Returns array of menu item's classes
     *
     * @param Node $item
     * @return array
     */
    protected function _getMenuItemClasses(Node $item)
    {
        $classes = [
            'level' . $item->getLevel(),
            $item->getPositionClass(),
        ];

        if ($item->getIsCategory()) {
            $classes[] = 'category-item';
            $this->isLastNode = "";
        }

        if ($item->getIsFirst()) {
            $classes[] = 'first';
            $this->isLastNode = "";
        }

        if ($item->getIsActive()) {
            $classes[] = 'active';
        } elseif ($item->getHasActive()) {
            $classes[] = 'has-active';
        }

        if ($item->getIsLast()) {
            $classes[] = 'last';
            $this->isLastNode = "last";
        }

        if ($item->getClass()) {
            $classes[] = $item->getClass();
        }

        if ($item->hasChildren()) {
            $classes[] = 'parent';
        }

        return $classes;
    }
    protected function _getHtml(
        Node $menuTree,
        $childrenWrapClass,
        $limit,
        array $colBrakes = []
    ) {
        $html = '';

        $children = $menuTree->getChildren();
        $childLevel = $this->getChildLevel($menuTree->getLevel());
        $this->removeChildrenWithoutActiveParent($children, $childLevel);

        $counter = 1;
        $childrenCount = $children->count();

        $parentPositionClass = $menuTree->getPositionClass();
        $itemPositionClassPrefix = $parentPositionClass ? $parentPositionClass . '-' : 'nav-';

        /** @var Node $child */
        foreach ($children as $child) {
            $child->setLevel($childLevel);
            $child->setIsFirst($counter === 1);
            $child->setIsLast($counter === $childrenCount);
            $child->setPositionClass($itemPositionClassPrefix . $counter);

            $outermostClassCode = '';
            $outermostClass = $menuTree->getOutermostClass();

            if ($childLevel === 0 && $outermostClass) {
                $outermostClassCode = ' class="' . $outermostClass . '" ';
                $this->setCurrentClass($child, $outermostClass);
            }

            if ($this->shouldAddNewColumn($colBrakes, $counter)) {
                $html .= '</ul></li><li class="column"><ul>';
            }
            
            $html .= '<li ' . $this->_getRenderedMenuItemAttributes($child) . '>';
            $html .= '<a href="' . $child->getUrl() . '" ' . $outermostClassCode . '><span>' . $this->escapeHtml(
                $child->getName()
            ) . '</span></a>' . $this->_addSubMenu(
                $child,
                $childLevel,
                $childrenWrapClass,
                $limit
            ) . '</li>';
            $counter++;
        }
        if($childLevel > 0)
        {
            $positionArr = explode("-", $child->getPositionClass());
            // Display after 5 subcategory
            if(count($positionArr) > 5)
            {
                if(end($positionArr) > 3 && $this->isLastNode == "last")
                { 
                    $html .='<li class="level'. $childLevel .' view-all">';
                    $html .=         '<a class="level'. $childLevel .'" href="'. $child->getParent()->getUrl() .'">';
                    $html .=             'View All';
                    $html .=         '</a>';
                    $html .=     '</li>';
                }
            }
        }

        if (is_array($colBrakes) && !empty($colBrakes) && $limit) {
            $html = '<li class="column"><ul>' . $html . '</ul></li>';
        }

        return $html;
    }

    protected function _addSubMenu($child, $childLevel, $childrenWrapClass, $limit)
    {
        $html = '';
        if (!$child->hasChildren()) {
            return $html;
        }

        $colStops = [];
        if ($childLevel == 0 && $limit) {
            $colStops = $this->_columnBrake($child->getChildren(), $limit);
        }
        $html .= '<ul class="level' . $childLevel . ' ' . $childrenWrapClass . '">';
        $html .= $this->_getHtml($child, $childrenWrapClass, $limit, $colStops);
        $html .= '</ul>';

        return $html;
    }
}

Clean cache and check it.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.