urfat-menus/src/MenuBuilder/Menu.php

<?php

namespace MenuBuilder;

class Menu {

    /**
     * HTML builder instance.
     * 
     * @var \JasonLewis\Menu\HtmlBuilder
     */
    protected $html;

    /**
     * Array of attribtues.
     * 
     * @var array
     */
    protected $attributes = [];

    /**
     * Array of menu items.
     * 
     * @var array
     */
    protected $items = [];

    public function items() {
        return $this->items;
    }

    /**
     * Create a new Menu instance.
     * 
     * @param  array  $attributes
     * @return void
     */
    public function __construct($attributes = []) {
        $this->attributes = $attributes;
        $this->html = new HtmlBuilder;
    }

    public function addDirect($menu) {
        $this->items[] = $menu;
        return $this;
    }

    public function create_submenu($name, $title, $icon = '', $attributes = [], $weight = 0) {
        $menu_item = false;
        foreach ($this->items as $item) {
            if ($item->name == $name) {
                $menu_item = $item;
                //$menu_item = $item->nested();
                break;
            }
        }
        if (!$menu_item) {
            $menu = new MenuItem();
            $menu = $menu->title($title)->icon($icon)->attributes($attributes)->weight($weight)->name($name);
            $menu = $menu->nest(new Menu(Array('class' => 'nav nav-ident')));
            $menu_item = $menu->nested();
            $this->items[] = $menu;
        } else {
            if (!$title == null) {
                $menu_item->title($title)->icon($icon)->attributes($attributes)->weight($weight)->name($name);
                $menu_item = $menu_item->nested();
            }else{
                $menu_item = $menu_item->nested();
            }
        }
        return $menu_item;
    }

    public function add_on($name, MenuItem $item) {
        $this->create_submenu($name)->items[] = $item;
    }

    public function add_on_new($name, $link, $title, $icon = '', $attributes = [], $weight = 0) {
        $menu_item = $this->create_submenu($name, null);
        $menu = new MenuItem();
        $menu_item->items[] = $menu->link($link)->title($title)->icon($icon)->attributes($attributes)->weight($weight)->name($name);
    }

    /**
     * Add a menu item.
     * 
     * @param  string  $link
     * @param  string  $title
     * @param  array  $attributes
     * @return \JasonLewis\Menu\Menu
     */
    public function add($link, $title, $icon = '', $attributes = [], $weight = 0) {
        $menu = new MenuItem();
        $this->items[] = $menu->link($link)->title($title)->icon($icon)->attributes($attributes)->weight($weight);

        return $this;
    }

    /**
     * Nest a menu on the previous item.
     * 
     * @param  array  $attributes
     * @return \JasonLewis\Menu\Menu
     */
    public function nestMenu($attributes = []) {
        $key = count($this->items) - 1;

        $this->items[$key]->nest($menu = new Menu($attributes));

        return $menu;
    }

    /**
     * Render the menu.
     * 
     * @return string
     */
    public function render() {
        $this->sort();
        $attributes = $this->html->attributes($this->attributes);

        $menu[] = "<ul{$attributes}>";

        foreach ($this->items as $item) {
            $menu[] = $item->render();
        }

        $menu[] = '</ul>';

        return implode(PHP_EOL, $menu);
    }

    public function renderRaw() {
        $menu[] = "";
        foreach ($this->items as $item) {
            $menu[] = $item->renderRaw();
        }
        return implode(PHP_EOL, $menu);
    }

    /**
     * Sort the menu
     * 
     * @return void
     */
    private function sort() {
        usort($this->items, function($a, $b) { // anonymous function
            return $a->weight - $b->weight;
        });
    }

    /**
     * Render the menu.
     * 
     * @return string
     */
    public function __toString() {
        return $this->render();
    }

}