SebastianKotljarevski / weathermodule

namespace Anax\Navigation;

use Anax\Commons\ContainerInjectableInterface;

use Anax\Commons\ContainerInjectableTrait;

/**

 * Helper to create a navbar for sites by reading its configuration from file

 * and then applying some code while rendering the resultning navbar.

 *

 */

class Navbar

{

    use ContainerInjectableTrait;

    /**

     * Create an url.

     *

     * @param: string $url where to create the url.

     *

     * @return string as the url create.

     */

    public function url($url)

    {

        return $this->di->get("url")->create($url);

    }

    /**

     * Callback tracing the current selected menu item base on scriptname.

     *

     * @param: string $url to check for.

     *

     * @return boolean true if item is selected, else false.

     */

    public function check($url)

    {

        if ($url == $this->di->get("request")->getCurrentUrl(false)) {

            return true;

        }

    }

    /**

     * Create an url.

     *

     * @param: string $url where to create the url.

     *

     * @return string as the url create.

     */

    /**

     * Create a navigation bar/menu, with submenus.

     *

     * @param array $config with configuration for the menu.

     *

     * @return string with html for the menu.

     *

     * @SuppressWarnings(PHPMD.CyclomaticComplexity)

     * @SuppressWarnings(PHPMD.NPathComplexity)

     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)

     */

    public function createMenuWithSubMenus($config)

    {

        $default = [

            "id"      => null,

            "class"   => null,

            "wrapper" => "nav",

        ];

        $menu = array_replace_recursive($default, $config);

        //$menu = array_replace_recursive($menu, $menus[$menuName]);

        // Create the ul li menu from the array, use an anonomous recursive

        // function that returns an array of values.

        $createMenu = function (

            $items,

            $ulId = null,

            $ulClass = null

        ) use (

            &$createMenu

        ) {

            $html = null;

            $hasItemIsSelected = false;

            foreach ($items as $item) {

                // has submenu, call recursivly and keep track on if the submenu has a selected item in it.

                $subMenu        = null;

                $subMenuButton  = null;

                $subMenuClass   = null;

                $selectedParent = null;

                if (isset($item["submenu"])) {

                    list($subMenu, $selectedParent) = $createMenu($item["submenu"]["items"]);

                    $selectedParent = $selectedParent

                        ? "selected-parent "

                        : null;

                    $subMenuButton = "<a class=\"rm-submenu-button\" href=\"#\"></a>";

                    $subMenuClass = "rm-submenu";

                }

                    : null;

                // Check if the menuitem is a parent of current page, /controller for /controller/action

                $isParent = null;

                if (isset($item["mark-if-parent"]) && $item["mark-if-parent"] == true) {

                    $isParent = $this->isParent($item["url"])

                        ? "selected-parent "

                        : null;

                }

                // Is there a class set for this item, then use it

                $class = isset($item["class"]) && ! is_null($item["class"])

                    ? $item["class"]

                    : null;

                // Prepare the class-attribute, if used

                $class = ($selected || $selectedParent || $isParent || $class)

                    ? " class=\"{$selected}{$selectedParent}{$isParent}{$class}{$subMenuClass}\" "

                    : null;

                // Add the menu item

                // $url = $menu["create_url"]($item["url"]);

                $url = $this->url($item["url"]);

                $html .= "\n<li{$class}>{$subMenuButton}<a href='{$url}' title='{$item['title']}'>{$item['text']}</a>{$subMenu}</li>\n";

                // To remember there is selected children when going up the menu hierarchy

                if ($selected) {

                    $hasItemIsSelected = true;

                }

            }

            // Return the menu

            return array("\n<ul$ulId$ulClass>$html</ul>\n", $hasItemIsSelected);

        };

        // Call the anonomous function to create the menu, and submenues if any.

        $id = isset($menu["id"])

            ? " id=\"{$menu["id"]}\""

            : null;

        $class = isset($menu["class"])

            ? " class=\"{$menu["class"]}\""

            : null;

        list($html) = $createMenu(

            $menu["items"],

            $id,

            $class

        );

        // Set the id & class element, only if it exists in the menu-array

        $wrapper = $menu["wrapper"];

        if ($wrapper) {

            $html = "<{$wrapper}>{$html}</{$wrapper}>";

        }

        return "\n{$html}\n";

    }

}