Spatie\Menu\Menu

Complexity

Total Complexity

60

Size/Duplication

Total Lines	599
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	13

Importance

Changes

0

36 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	new()	0	4	1
A	build()	0	4	2
A	add()	0	10	2
A	addIf()	0	8	2
A	link()	0	4	1
A	fill()	0	10	3
A	empty()	0	4	1
A	linkIf()	0	8	2
A	html()	0	4	1
A	htmlIf()	0	8	2
A	submenu()	0	9	1
A	submenuIf()	0	8	2
A	parseSubmenuArgs()	0	8	2
A	createSubmenuMenu()	0	10	2
A	createSubmenuHeader()	0	8	2
A	each()	0	14	3
A	registerFilter()	0	6	1
A	applyFilter()	0	10	2
A	applyToAll()	0	7	1
A	wrap()	0	6	1
A	isActive()	0	10	3
A	setActive()	0	12	3
A	setActiveFromUrl()	0	12	1
A	setActiveFromCallable()	0	20	3
A	setActiveClass()	0	6	1
A	addItemClass()	0	8	1
A	setItemAttribute()	0	8	1
A	addItemParentClass()	0	8	1
A	setItemParentAttribute()	0	8	1
A	if()	0	4	2
A	blueprint()	0	9	1
A	render()	0	14	2
A	renderItem()	0	14	3
A	count()	0	4	1
A	__toString()	0	4	1

<?php

namespace Spatie\Menu;

use Countable;
use Spatie\Menu\Html\Tag;
use Spatie\Menu\Html\Attributes;
use Spatie\Menu\Helpers\Reflection;
use Spatie\Menu\Traits\Conditions as ConditionsTrait;
use Spatie\Menu\Traits\HasTextAttributes as HasAttributesTrait;
use Spatie\Menu\Traits\HasHtmlAttributes as HasHtmlAttributesTrait;
use Spatie\Menu\Traits\HasParentAttributes as HasParentAttributesTrait;

class Menu implements Item, Countable, HasHtmlAttributes, HasParentAttributes
{
    use HasHtmlAttributesTrait, HasParentAttributesTrait, ConditionsTrait, HasAttributesTrait;

    /** @var array */
    protected $items = [];

    /** @var array */
    protected $filters = [];

    /** @var string */
    protected $prepend, $append = '';

It is generally advisable to only define one property per statement.

    /** @var array */
    protected $wrap = [];

    /** @var string */
    protected $activeClass = 'active';

    /** @var \Spatie\Menu\Html\Attributes */
    protected $htmlAttributes, $parentAttributes;

It is generally advisable to only define one property per statement.

    protected function __construct(Item ...$items)
    {
        $this->items = $items;

        $this->htmlAttributes = new Attributes();
        $this->parentAttributes = new Attributes();
    }

    /**
     * Create a new menu, optionally prefilled with items.
     *
     * @param array $items
     *
     * @return static
     */
    public static function new($items = [])
    {
        return new static(...array_values($items));
    }

    /**
     * Build a new menu from an array. The callback receives a menu instance as
     * the accumulator, the array item as the second parameter, and the item's
     * key as the third.
     *
     * @param array|\Iterator $items
     * @param callable $callback
     * @param \Spatie\Menu\Menu|null $initial
     *
     * @return static
     */
    public static function build($items, callable $callback, Menu $initial = null)
    {
        return ($initial ?: static::new())->fill($items, $callback);
    }

    /**
     * Fill a menu from an array. The callback receives a menu instance as
     * the accumulator, the array item as the second parameter, and the item's
     * key as the third.
     *
     * @param array|\Iterator $items
     * @param callable $callback
     *
     * @return static
     */
    public function fill($items, callable $callback)
    {
        $menu = $this;

        foreach ($items as $key => $item) {
            $menu = $callback($menu, $item, $key) ?: $menu;
        }

        return $menu;
    }

    /**
     * Add an item to the menu. This also applies all registered filters to the
     * item.
     *
     * @param \Spatie\Menu\Item $item
     *
     * @return $this
     */
    public function add(Item $item)
    {
        foreach ($this->filters as $filter) {
            $this->applyFilter($filter, $item);
        }

        $this->items[] = $item;

        return $this;
    }

    /**
     * Add an item to the menu if a (non-strict) condition is met.
     *
     * @param bool              $condition
     * @param \Spatie\Menu\Item $item
     *
     * @return $this
     */
    public function addIf($condition, Item $item)
    {
        if ($this->resolveCondition($condition)) {
            $this->add($item);
        }

        return $this;
    }

    /**
     * Shortcut function to add a plain link to the menu.
     *
     * @param string $url
     * @param string $text
     *
     * @return $this
     */
    public function link(string $url, string $text)
    {
        return $this->add(Link::to($url, $text));
    }

    /**
     * Shortcut function to add an empty item to the menu.
     *
     * @return $this
     */
    public function empty()
    {
        return $this->add(Html::empty());
    }

    /**
     * Add a link to the menu if a (non-strict) condition is met.
     *
     * @param bool   $condition
     * @param string $url
     * @param string $text
     *
     * @return $this
     */
    public function linkIf($condition, string $url, string $text)
    {
        if ($this->resolveCondition($condition)) {
            $this->link($url, $text);
        }

        return $this;
    }

    /**
     * Shortcut function to add raw html to the menu.
     *
     * @param string $html
     * @param array  $parentAttributes
     *
     * @return $this
     */
    public function html(string $html, array $parentAttributes = [])
    {
        return $this->add(Html::raw($html)->setParentAttributes($parentAttributes));
    }

    /**
     * Add a chunk of html if a (non-strict) condition is met.
     *
     * @param bool   $condition
     * @param string $html
     * @param array  $parentAttributes
     *
     * @return $this
     */
    public function htmlIf($condition, string $html, array $parentAttributes = [])
    {
        if ($this->resolveCondition($condition)) {
            $this->html($html, $parentAttributes);
        }

        return $this;
    }

    /**
     * @param callable|\Spatie\Menu\Menu|\Spatie\Menu\Item $header
     * @param callable|\Spatie\Menu\Menu|null $menu
     *
     * @return $this
     */
    public function submenu($header, $menu = null)

The parameter $header is not used and could be removed.

The parameter $menu is not used and could be removed.

    {
        list($header, $menu) = $this->parseSubmenuArgs(func_get_args());

        $menu = $this->createSubmenuMenu($menu);
        $header = $this->createSubmenuHeader($header);

        return $this->add($menu->prependIf($header, $header));

$header is of type string, but the function expects a boolean.

    }

    /**
     * @param bool $condition
     * @param callable|\Spatie\Menu\Menu|\Spatie\Menu\Item $header
     * @param callable|\Spatie\Menu\Menu|null $menu
     *
     * @return $this
     */
    public function submenuIf($condition, $header, $menu = null)
    {
        if ($condition) {
            $this->submenu($header, $menu);
        }

        return $this;
    }

    protected function parseSubmenuArgs($args): array
    {
        if (count($args) === 1) {
            return ['', $args[0]];
        }

        return [$args[0], $args[1]];
    }

    /**
     * @param \Spatie\Menu\Menu|callable $menu
     *
     * @return \Spatie\Menu\Menu
     */
    protected function createSubmenuMenu($menu): Menu
    {
        if (is_callable($menu)) {
            $transformer = $menu;
            $menu = $this->blueprint();
            $transformer($menu);
        }

        return $menu;
    }

    /**
     * @param \Spatie\Menu\Item|string $header
     *
     * @return string
     */
    protected function createSubmenuHeader($header): string
    {
        if ($header instanceof Item) {
            $header = $header->render();
        }

        return $header;
    }

    /**
     * Iterate over all the items and apply a callback. If you typehint the
     * item parameter in the callable, it wil only be applied to items of that
     * type.
     *
     * @param callable $callable
     *
     * @return $this
     */
    public function each(callable $callable)
    {
        $type = Reflection::firstParameterType($callable);

        foreach ($this->items as $item) {
            if (! Reflection::itemMatchesType($item, $type)) {
                continue;
            }

            $callable($item);
        }

        return $this;
    }

    /**
     * Register a filter to the menu. When an item is added, all filters will be
     * applied to the item. If you typehint the item parameter in the callable, it
     * will only be applied to items of that type.
     *
     * @param callable $callable
     *
     * @return $this
     */
    public function registerFilter(callable $callable)
    {
        $this->filters[] = $callable;

        return $this;
    }

    /**
     * Apply a filter to an item. Returns the result of the filter.
     *
     * @param callable          $filter
     * @param \Spatie\Menu\Item $item
     */
    protected function applyFilter(callable $filter, Item $item)
    {
        $type = Reflection::firstParameterType($filter);

        if (! Reflection::itemMatchesType($item, $type)) {
            return;
        }

        $filter($item);
    }

    /**
     * Apply a callable to all existing items, and register it as a filter so it
     * will get applied to all new items too. If you typehint the item parameter
     * in the callable, it wil only be applied to items of that type.
     *
     * @param callable $callable
     *
     * @return $this
     */
    public function applyToAll(callable $callable)
    {
        $this->each($callable);
        $this->registerFilter($callable);

        return $this;
    }

    /**
     * Wrap the menu in an html element.
     *
     * @param string $element
     * @param array $attributes
     *
     * @return $this
     */
    public function wrap(string $element, $attributes = [])
    {
        $this->wrap = [$element, $attributes];

        return $this;
    }

    /**
     * Determine whether the menu is active.
     *
     * @return bool
     */
    public function isActive(): bool
    {
        foreach ($this->items as $item) {
            if ($item->isActive()) {
                return true;
            }
        }

        return false;
    }

    /**
     * Set multiple items in the menu as active based on a callable that filters
     * through items. If you typehint the item parameter in the callable, it will
     * only be applied to items of that type.
     *
     * @param callable|string $urlOrCallable
     * @param string          $root
     *
     * @return $this
     */
    public function setActive($urlOrCallable, string $root = '/')
    {
        if (is_string($urlOrCallable)) {
            return $this->setActiveFromUrl($urlOrCallable, $root);
        }

        if (is_callable($urlOrCallable)) {
            return $this->setActiveFromCallable($urlOrCallable);
        }

        throw new \InvalidArgumentException('`setActive` requires a pattern or a callable');
    }

    /**
     * Set all relevant children active based on the current request's URL.
     *
     * /, /about, /contact => request to /about will set the about link active.
     *
     * /en, /en/about, /en/contact => request to /en won't set /en active if the
     *                                request root is set to /en.
     *
     * @param string $url  The current request url.
     * @param string $root If the link's URL is an exact match with the request
     *                     root, the link won't be set active. This behavior is
     *                     to avoid having home links active on every request.
     *
     * @return $this
     */
    public function setActiveFromUrl(string $url, string $root = '/')
    {
        $this->applyToAll(function (Menu $menu) use ($url, $root) {
            $menu->setActiveFromUrl($url, $root);
        });

        $this->applyToAll(function (Activatable $item) use ($url, $root) {
            $item->determineActiveForUrl($url, $root);
        });

        return $this;
    }

    /**
     * @param callable $callable
     *
     * @return $this
     */
    public function setActiveFromCallable(callable $callable)
    {
        $this->applyToAll(function (Menu $menu) use ($callable) {
            $menu->setActiveFromCallable($callable);
        });

        $type = Reflection::firstParameterType($callable);

        $this->applyToAll(function (Activatable $item) use ($callable, $type) {
            if (! Reflection::itemMatchesType($item, $type)) {

$item is of type object<Spatie\Menu\Activatable>, but the function expects a object<Spatie\Menu\Item>.

                return;
            }

            if ($callable($item)) {
                $item->setActive();
            }
        });

        return $this;
    }

    /**
     * Set the class name that will be used on active items for this menu.
     *
     * @param string $class
     *
     * @return $this
     */
    public function setActiveClass(string $class)
    {
        $this->activeClass = $class;

        return $this;
    }

    /**
     * Add a class to all items in the menu.
     *
     * @param string $class
     *
     * @return $this
     */
    public function addItemClass(string $class)
    {
        $this->applyToAll(function (HasHtmlAttributes $link) use ($class) {
            $link->addClass($class);
        });

        return $this;
    }

    /**
     * Set an attribute on all items in the menu.
     *
     * @param string $attribute
     * @param string $value
     *
     * @return $this
     */
    public function setItemAttribute(string $attribute, string $value = '')
    {
        $this->applyToAll(function (HasHtmlAttributes $link) use ($attribute, $value) {
            $link->setAttribute($attribute, $value);
        });

        return $this;
    }

    /**
     * Add a parent class to all items in the menu.
     *
     * @param string $class
     *
     * @return $this
     */
    public function addItemParentClass(string $class)
    {
        $this->applyToAll(function (HasParentAttributes $item) use ($class) {
            $item->addParentClass($class);
        });

        return $this;
    }

    /**
     * Add a parent attribute to all items in the menu.
     *
     * @param string $attribute
     * @param string $value
     *
     * @return $this
     */
    public function setItemParentAttribute(string $attribute, string $value = '')
    {
        $this->applyToAll(function (HasParentAttributes $item) use ($attribute, $value) {
            $item->setParentAttribute($attribute, $value);
        });

        return $this;
    }

    /**
     * @param bool $condition
     * @param callable $callable
     *
     * @return $this
     */
    public function if(bool $condition, callable $callable)

Possible parse error: non-abstract method defined as abstract

It is generally advisable to only define one property per statement.

    {
        return $condition ? $callable($this) : $this;
    }

    /**
     * Create a empty blueprint of the menu (copies `filters` and `activeClass`).
     *
     * @return static
     */
    public function blueprint()
    {
        $clone = new static();

        $clone->filters = $this->filters;
        $clone->activeClass = $this->activeClass;

        return $clone;
    }

    /**
     * Render the menu.
     *
     * @return string
     */
    public function render(): string
    {
        $tag = new Tag('ul', $this->htmlAttributes);

        $contents = array_map([$this, 'renderItem'], $this->items);

        $menu = $this->prepend.$tag->withContents($contents).$this->append;

        if (! empty($this->wrap)) {
            return Tag::make($this->wrap[0], new Attributes($this->wrap[1]))->withContents($menu);
        }

        return $menu;
    }

    protected function renderItem(Item $item): string
    {
        $attributes = new Attributes();

        if ($item->isActive()) {
            $attributes->addClass($this->activeClass);
        }

        if ($item instanceof HasParentAttributes) {
            $attributes->setAttributes($item->parentAttributes());
        }

        return Tag::make('li', $attributes)->withContents($item->render());
    }

    /**
     * The amount of items in the menu.
     *
     * @return int
     */
    public function count(): int
    {
        return count($this->items);
    }

    /**
     * @return string
     */
    public function __toString(): string
    {
        return $this->render();
    }
}