Navbar.php

<?php

declare(strict_types=1);

/**
 * This file is part of the EaseTWBootstrap3 package
 *
 * https://github.com/VitexSoftware/php-ease-twbootstrap
 *
 * (c) Vítězslav Dvořák <http://vitexsoftware.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Ease\TWB;

class Navbar extends \Ease\Html\DivTag
{
    /**
     * Vnitřek menu.
     */
    public \Ease\Html\DivTag $menuInnerContent;

    /**
     * Položky menu.
     */
    private \Ease\Html\UlTag $nav;
    private string $tagType;

    /**
     * Položky menu přidávané vpravo.
     */
    private \Ease\Html\UlTag $navRight;

    /**
     * Menu aplikace.
     *
     * @param string $name
     * @param string $brand
     * @param array  $properties
     */
    public function __construct($name = null, $brand = null, $properties = [])
    {
        if (\is_array($properties) && \array_key_exists('class', $properties)) {
            $originalClass = $properties['class'];
        } else {
            $originalClass = '';
        }

        $properties['class'] = trim('navbar navbar-default '.$originalClass);
        $properties['role'] = 'navigation';
        $properties['name'] = $name;
        $this->menuInnerContent = parent::addItem(new \Ease\Html\DivTag(
            null,
            ['class' => 'navbar-inner'],
        ));
        parent::__construct(null, $properties);
        $this->addItem(self::navBarHeader($name, $brand));
        $navCollapse = $this->addItem(new \Ease\Html\DivTag(
            null,
            ['class' => 'collapse navbar-collapse navbar-'.$name.'-collapse'],
        ));
        $this->nav = $navCollapse->addItem(new \Ease\Html\UlTag(
            null,
            ['class' => 'nav navbar-nav'],
        ));
        $this->tagType = 'nav';
        $pullRigt = new \Ease\Html\DivTag(
            null,
            ['class' => 'pull-right'],
        );
        $this->navRight = $pullRigt->addItem(new \Ease\Html\UlTag(
            null,
            ['class' => 'nav navbar-nav nav-right'],
        ));
        $navCollapse->addItem($pullRigt);
        Part::twBootstrapize();
    }

    /**
     * NavBar header code.
     *
     * @param string $handle classname fragment
     * @param string $brand  menu brand name
     *
     * @return \Ease\Html\DivTag
     */
    public static function navBarHeader($handle, $brand)
    {
        $navstyle = '.navbar-'.$handle.'-collapse';
        $nbhc['button'] = new \Ease\Html\ButtonTag(
            [new \Ease\Html\Span(
                _('Switch navigation'),
                ['class' => 'sr-only'],
            ), new \Ease\Html\Span(
                null,
                ['class' => 'icon-bar'],
            ), new \Ease\Html\Span(
                null,
                ['class' => 'icon-bar'],
            ), new \Ease\Html\Span(
                null,
                ['class' => 'icon-bar'],
            )],
            ['type' => 'button', 'class' => 'navbar-toggle', 'data-toggle' => 'collapse',
                'data-target' => $navstyle,
            ],
        );

        if (\strlen($brand)) {
            $nbhc['brand'] = new \Ease\Html\ATag(
                './',
                $brand,
                ['class' => 'navbar-brand'],
            );
        }

        return new \Ease\Html\DivTag($nbhc, ['class' => 'navbar-header']);
    }

    /**
     * Přidá položku do navigační lišty.
     *
     * @param mixed  $Item         vkládaná položka
     * @param string $PageItemName Pod tímto jménem je objekt vkládán do stromu
     *
     * @return EasePage poiner to object well included
     */
    public function &addItem($Item, $PageItemName = null)
    {
        $added = $this->menuInnerContent->addItem($Item, $PageItemName);

        return $added;
    }

    /**
     * No Navbar menu contents.
     *
     * @return array|mixed
     */
    public function emptyContents(): void
    {
        $this->menuInnerContent = null;
    }

    /**
     * Navbar menu contents.
     *
     * @return array|mixed
     */
    public function getContents()
    {
        return $this->menuInnerContent;
    }

    /**
     * Is NavBar empty ?
     *
     * @param Container $element Ease Html Element
     *
     * @return bool emptiness status
     */
    public function isEmpty($element = null): bool
    {
        return !\count($this->menuInnerContent);
    }

    /**
     * Přidá položku menu.
     *
     * @param \Ease\Html\ATag $pageItem Položka menu
     * @param string          $pull     'right' strká položku v menu do prava
     *
     * @return EaseWebPage
     */
    public function &addMenuItem($pageItem, $pull = 'left')
    {
        if ($pull === 'left') {
            $menuItem = $this->nav->addItemSmart($pageItem);
        } else {
            $menuItem = $this->navRight->addItemSmart($pageItem);
        }

        if (isset($pageItem->tagProperties['href'])) {
            $href = basename($pageItem->tagProperties['href']);

            if (strstr($href, '?')) {
                [$targetPage] = explode('?', $href);
            } else {
                $targetPage = $href;
            }

            if ($targetPage === basename(\Ease\Document::phpSelf())) {
                if ($pull === 'left') {
                    $this->nav->lastItem()->setTagProperties(['class' => 'active']);
                } else {
                    $this->navRight->lastItem()->setTagProperties(['class' => 'active']);
                }
            }
        }

        return $menuItem;
    }

    /**
     * Add Dropdown Submenu.
     *
     * @param string $name
     * @param array  $items
     *
     * @return \Ease\Html\UlTag
     */
    public function &addDropDownSubmenu($name, $items)
    {
        $dropdown = $this->addItem(new \Ease\Html\UlTag(
            null,
            ['class' => 'dropdown-menu', 'role' => 'menu'],
        ));

        if (\count($items)) {
            foreach ($items as $item) {
                $this->addMenuItem($item);
            }
        }

        return $dropdown;
    }

    /**
     * Vloží rozbalovací menu.
     *
     * @param string       $label popisek menu
     * @param array|string $items položky menu
     * @param string       $pull  směr zarovnání
     *
     * @return \Ease\Html\ULTag
     */
    public function &addDropDownMenu($label, $items, $pull = 'left')
    {
        Part::twBootstrapize();
        \Ease\WebPage::singleton()->addJavaScript(
            '$(\'.dropdown-toggle\').dropdown();',
            null,
            true,
        );
        $dropDown = new \Ease\Html\LiTag(
            null,
            ['class' => 'dropdown', 'id' => $label],
        );
        $dropDown->addItem(new \Ease\Html\ATag(
            '#',
            $label.'<b class="caret"></b>',
            ['class' => 'dropdown-toggle', 'data-toggle' => 'dropdown'],
        ));
        $dropDownMenu = $dropDown->addItem(new \Ease\Html\UlTag(
            null,
            ['class' => 'dropdown-menu'],
        ));

        if (\is_array($items)) {
            foreach ($items as $target => $label) {
                if (\is_array($label)) {
                    // Submenu
                    $dropDownMenu->addItem($this->addDropDownSubmenu(
                        $target,
                        $label,
                    ));
                } else {
                    // Item
                    if (!$target) {
                        $dropDownMenu->addItem(new \Ease\Html\LiTag(
                            null,
                            ['class' => 'divider'],
                        ));
                    } else {
                        $dropDownMenu->addItemSmart(new \Ease\Html\ATag(
                            $target,
                            $label,
                        ));
                    }
                }
            }
        } else {
            $dropDownMenu->addItem($items);
        }

        if ($pull === 'left') {
            $this->nav->addItemSmart($dropDown);
        } else {
            $this->navRight->addItemSmart($dropDown);
        }

        return $dropDown;
    }
}