blitze\sitemaker\services\menus\display

Complexity

Total Complexity

43

Size/Duplication

Total Lines	222
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	4
Bugs	2	Features	1

15 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	set_params()	0	5	1
A	display_navlist()	0	20	3
A	generate_breadcrumb()	0	4	1
B	prepare_items()	0	47	6
A	set_current_item()	0	20	3
A	default_current_item()	0	13	2
A	is_current_path()	0	4	4
A	is_current_item()	0	4	2
B	set_parental_depth()	0	7	6
A	close_open_tags()	0	7	2
A	needs_adjustment()	0	4	3
A	adjust_depth()	0	10	4
A	adjust_right_id()	0	7	2
A	find_parents()	0	13	3

<?php
/**
 *
 * @package sitemaker
 * @copyright (c) 2013 Daniel A. (blitze)
 * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
 *
 */

namespace blitze\sitemaker\services\menus;

class display extends \blitze\sitemaker\services\tree\display
{
	/** @var \phpbb\template\template */
	protected $template;

	/** @var \phpbb\user */
	protected $user;

	/** @var bool */
	private $expanded = false;

	/** @var integer */
	private $max_depth = 0;

	/** @var integer */
	private $min_depth = 0;

	/** @var array */
	private $parental_depth;

	/** @var array */
	private $current_item;

	/**
	 * Construct
	 *
	 * @param \phpbb\db\driver\driver_interface		$db             	Database connection
	 * @param \phpbb\template\template				$template			Template object
	 * @param \phpbb\user							$user				User Object
	 * @param string								$menu_items_table	Menu Items table
	 * @param string								$pk					Primary key
	 */
	public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\template\template $template, \phpbb\user $user, $menu_items_table, $pk)
	{
		parent::__construct($db, $menu_items_table, $pk);

		$this->template = $template;
		$this->user = $user;
	}

	public function set_params(array $params)
	{
		$this->expanded = (bool) $params['expanded'];
		$this->max_depth = (int) $params['max_depth'];
	}

	/**
	 *
	 */
	public function display_navlist(array $data, \phpbb\template\twig\twig &$template, $handle = 'tree')
	{
		$this->prepare_items($data);

		if (sizeof($data))
		{
			$this_depth = 0;
			foreach ($data as $row)
			{
				$prev_depth = $row['prev_depth'];
				$this_depth = $row['this_depth'];
				$row['num_kids'] = $this->count_descendants($row);

				$template->assign_block_vars($handle, array_change_key_case($row, CASE_UPPER));
				$this->close_open_tags($template, $handle . '.close', abs($prev_depth - $this_depth));
			}

			$this->close_open_tags($template, 'close_' . $handle, ($this_depth - $this->min_depth));
		}
	}

	public function generate_breadcrumb(array $data)
	{
		$this->find_parents($data, $this->current_item['parent_id']);
	}

	protected function prepare_items(array &$data)
	{
		$this->set_current_item($data);

		$prev_depth = $this->min_depth;
		$this->parental_depth = array(0 => -1);

		foreach ($data as $item_id => $row)
		{
			// Skip branch
			if (isset($leaf))
			{
				if ($row['left_id'] < $leaf['right_id'])
				{
					$this->adjust_right_id($leaf['item_id'], $data, $leaf);
					unset($data[$item_id]);
					continue;
				}
				unset($leaf);
			}

			$is_current_item = $this->is_current_item($row);
			$this_depth	= $this->parental_depth[$row['parent_id']] + 1;

			$this->set_parental_depth($row, $this_depth, $is_current_item);

			if ($row['depth'] == $this->max_depth)
			{
				$leaf = $row;
			}

			if ($row['depth'] < $this->min_depth)
			{
				unset($data[$item_id]);
				continue;
			}

			$data[$item_id] = array_merge($data[$item_id], array(
				'prev_depth'	=> $prev_depth,
				'this_depth'	=> $this_depth,
				'is_current'	=> $is_current_item,
				'full_url'		=> append_sid($row['full_url']),
			));

			$prev_depth = $this_depth;
		}
	}

	protected function set_current_item($data)
	{
		$curr_page = $this->user->page['page_name'];
		$curr_parts = explode('&', $this->user->page['query_string']);

		$data = array_values($data);
		for ($i = 0, $size = sizeof($data); $i < $size; $i++)
		{
			$row = $data[$i];
			if ($this->is_current_path($curr_page, $curr_parts, $row))
			{
				$this->adjust_depth($row);
				$this->current_item = $row;
				return true;
			}
		}

		$this->current_item = $this->default_current_item();
		return false;
	}

	protected function default_current_item()
	{
		$this->max_depth = ($this->expanded) ? $this->max_depth : 0;
		$this->min_depth = 0;

		return array(
			'item_id'	=> 0,
			'parent_id'	=> 0,
			'left_id'	=> 0,
			'right_id'	=> 0,
			'depth'		=> 0,
		);
	}

	protected function is_current_path($curr_page, array $curr_parts, array $row)
	{
		return ($curr_page == $row['url_path'] && (!sizeof($row['url_query']) || sizeof(array_intersect($row['url_query'], $curr_parts)))) ? true : false;
	}

	protected function is_current_item(array $row)
	{
		return ($row['item_id'] === $this->current_item['item_id']) ? true : false;
	}

	protected function set_parental_depth($row, $depth, $is_current_item)
	{
		if ($is_current_item || $this->expanded || !$row['item_url'] || ($row['left_id'] < $this->current_item['left_id'] && $row['right_id'] > $this->current_item['right_id']))
		{
			$this->parental_depth[$row[$this->pk]] = $depth;
		}
	}

	protected function close_open_tags(\phpbb\template\twig\twig &$template, $handle, $repeat)
	{
		for ($i = 0; $i < $repeat; $i++)
		{
			$template->assign_block_vars($handle, array());
		}
	}

	protected function needs_adjustment($items_depth)
	{
		return ($items_depth >= $this->max_depth || !$this->expanded) ? true : false;
	}

	protected function adjust_depth(array $row)
	{
		$depth = (int) $row['depth'];
		if ($this->needs_adjustment($depth))
		{
			$adjustment = ($this->count_descendants($row)) ? 1 : 0;
			$this->min_depth = ($depth) ? $depth - $this->max_depth + $adjustment : 0;
			$this->max_depth = $depth + $adjustment;
		}
	}

	protected function adjust_right_id($item_id, array &$data, array $leaf)
	{
		if (isset($data[$item_id]))
		{
			$data[$leaf['item_id']]['right_id'] -= 2;
		}
	}

	protected function find_parents(array $data, $parent_id)
	{
		if (isset($data[$parent_id]) && $data[$parent_id]['item_url'] !== 'index.php')
		{
			$row = $data[$parent_id];
			$this->template->alter_block_array('navlinks', array(
				'FORUM_NAME'	=> $row['item_title'],
				'U_VIEW_FORUM'	=> $row['full_url'],
			));

			$this->find_parents($data, $row['parent_id']);
		}
	}
}