website/rendering/View/NavigationView.php

<?php
/**
 * Created by CS medien- & kommunikationssysteme.
 * @author Christian Steinle
 * @date 03.08.2016
 *
 * @copyright CS medien- & kommunikationssysteme (http://www.steinle-computer.de)
 */

namespace View;


use Helper\Registry;

class NavigationView
{
	/**
	 * Die flache Navigation
	 * @var array
	 */
	protected $navigationParts = array();

	/**
	 * Array der aktiven Navigations-Elemente
	 * @var array
	 */
	protected $navigationPath = array();

	/**
	 * Die strukturierte Navigation nach navStart
	 * @var array
	 */
	protected $orderedNavigation = array();

	/**
	 * Ist die Navigation editierbar oder nicht
	 * @var bool
	 */
	protected $isEditable = false;

	/**
	 * Das Html der kompletten Navigation
	 * @var string
	 */
	protected $navigationHtml = '';


	/**
	 * NavigationView constructor.
	 *
	 * @param array $navigationParts
	 * @param array $navigationPath
	 */
	public function __construct(array $navigationParts, array $navigationPath)
	{
		$this->navigationParts = $navigationParts;
		$this->navigationPath = $navigationPath;
	}


	/**
	 * Setter für die Editierbarkeit des Inhalts
	 *
	 * @param bool $isEditable
	 */
	public function setEditable($isEditable)
	{
		$this->isEditable = $isEditable;
	}


	public function init()
	{
		$this->buildOrderedNavigation();
		if ($this->isEditable)
		{
			$registry = Registry::getInstance();
			$this->buildNavigation(0, $registry->editorConfig['backendPrefix']);
		}
		else
		{
			$this->buildNavigation(0);
		}
	}


	private function buildOrderedNavigation()
	{
		$orderedNavigation = array();
		foreach ($this->navigationParts as $navID => $navItem)
		{
			$orderedNavigation[$navItem['navStart']][$navID] = $navItem;
		}
		$this->orderedNavigation = $orderedNavigation;
	}


	private function buildNavigation($navStart, $linkPrefix = PATH_PREFIX, $depth = 0)
	{
		$tmpNavigation = $this->orderedNavigation[$navStart];

		if ($depth === 0)
		{
			$editableHtml = ($this->isEditable) ? ' data-editor="Navigation" data-id="' . end($this->navigationPath) . '" data-element="Navigation_' . end($this->navigationPath) . '"' : '';
			$this->navigationHtml .= '<ul class="nav navbar-nav navbar-inverse navbar-collapse collapse" id="main-navbar" aria-expanded="false"' . $editableHtml . '>';
		}
		else
		{
			$this->navigationHtml .= '<ul class="dropdown-menu' . (($depth > 1) ? ' pull-left' : '') . '">';
		}

		foreach ($tmpNavigation as $navID => $navItem)
		{
			$liClasses = array();
			$aClass = '';
			$span = '';

			if (in_array($navItem['navID'], $this->navigationPath))
			{
				$liClasses[] = 'active';
			}
			if (isset($this->orderedNavigation[$navItem['navID']]))
			{
				$liClasses[] = 'dropdown-submenu';
				$aClass = 'class="dropdown-toggle" ';
				$span = ' <span class="caret' . (($depth > 0) ? ' rotate-left' : '') . '"></span>';
			}
			$liClass = (empty($liClasses)) ? '' : ' class="' . implode(' ', $liClasses) . '"';

			if ($this->isEditable)
			{
				$this->navigationHtml .= '<li' . $liClass . '><a ' . $aClass . 'href="' . $linkPrefix . '/index.php?siteID=' . $navItem['navID'] . '">' . $navItem['navName'] . $span . '</a>';
			}
			else
			{
				$this->navigationHtml .= '<li' . $liClass . '><a ' . $aClass . 'href="' . $linkPrefix . '/' . $navItem['navLink'] . '">' . $navItem['navName'] . $span . '</a>';
			}
			if (isset($this->orderedNavigation[$navItem['navID']]))
			{
				if ($this->isEditable)
				{
					$this->buildNavigation($navItem['navID'], $linkPrefix, ($depth + 1));
				}
				else
				{
					$this->buildNavigation($navItem['navID'], $linkPrefix . '/' . $navItem['navLink'], ($depth + 1));
				}
			}
			$this->navigationHtml .= '</li>';
		}

		$this->navigationHtml .= '</ul>';
		if ($depth === 0)
		{
			//$this->navigationHtml .= '</nav>';
		}
	}


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