Carbon_Breadcrumb_Trail_Renderer

Complexity

Total Complexity

33

Size/Duplication

Total Lines	449
Duplicated Lines	0 %

Coupling/Cohesion

Components	3
Dependencies	2

Importance

Changes

0

26 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	22	3
A	get_glue()	0	3	1
A	set_glue()	0	3	1
A	get_link_before()	0	3	1
A	set_link_before()	0	3	1
A	get_link_after()	0	3	1
A	set_link_after()	0	3	1
A	get_wrapper_before()	0	3	1
A	set_wrapper_before()	0	3	1
A	get_wrapper_after()	0	3	1
A	set_wrapper_after()	0	3	1
A	get_title_before()	0	3	1
A	set_title_before()	0	3	1
A	get_title_after()	0	3	1
A	set_title_after()	0	3	1
A	get_min_items()	0	3	1
A	set_min_items()	0	3	1
A	get_last_item_link()	0	3	1
A	set_last_item_link()	0	3	1
A	get_display_home_item()	0	3	1
A	set_display_home_item()	0	3	1
A	get_home_item_title()	0	3	1
A	set_home_item_title()	0	3	1
A	prepare_for_rendering()	0	10	2
A	render()	0	23	3
A	render_items()	0	22	3

<?php
/**
 * Breadcrumb trail renderer.
 *
 * @package carbon-breadcrumbs
 */

/**
 * The breadcrumb trail render class.
 *
 * Responsible for the breadcrumb trail rendering settings and process.
 */
class Carbon_Breadcrumb_Trail_Renderer {

	/**
	 * String used between the breadcrumb items when displaying the breadcrumbs.
	 *
	 * @access protected
	 * @var string
	 */
	protected $glue = ' &gt; ';

	/**
	 * String before the opening link tag.
	 *
	 * @access protected
	 * @var string
	 */
	protected $link_before = '';

	/**
	 * String after the closing link tag.
	 *
	 * @access protected
	 * @var string
	 */
	protected $link_after = '';

	/**
	 * String before all breadcrumb items.
	 *
	 * @access protected
	 * @var string
	 */
	protected $wrapper_before = '';

	/**
	 * String after all breadcrumb items.
	 *
	 * @access protected
	 * @var string
	 */
	protected $wrapper_after = '';

	/**
	 * String before the title of a breadcrumb item.
	 *
	 * @access protected
	 * @var string
	 */
	protected $title_before = '';

	/**
	 * String before the title of a breadcrumb item.
	 *
	 * @access protected
	 * @var string
	 */
	protected $title_after = '';

	/**
	 * Minimum items necessary to display the breadcrumb trail.
	 *
	 * @access protected
	 * @var int
	 */
	protected $min_items = 2;

	/**
	 * Whether to display the last item as link.
	 *
	 * @access protected
	 * @var bool
	 */
	protected $last_item_link = true;

	/**
	 * Whether to display the home item.
	 *
	 * @access protected
	 * @var bool
	 */
	protected $display_home_item = true;

	/**
	 * The title of the home item.
	 *
	 * @access protected
	 * @var string
	 */
	protected $home_item_title = '';

	/**
	 * Constructor.
	 *
	 * Creates and configures a new breadcrumb trail with the provided settings.
	 *
	 * @access public
	 *
	 * @param array $args Configuration options to modify the breadcrumb trail output.
	 */
	public function __construct( $args = array() ) {

		// Default configuration options.
		$defaults = array(
			'home_item_title' => __( 'Home', 'carbon_breadcrumbs' ),
		);

		// Allow default options to be filtered.
		$defaults = apply_filters( 'carbon_breadcrumbs_renderer_default_options', $defaults );

		// Parse configuration options.
		$args = wp_parse_args( $args, $defaults );

		// Set configuration options.
		foreach ( $args as $arg_name => $arg_value ) {
			$method = 'set_' . $arg_name;
			if ( method_exists( $this, $method ) ) {
				call_user_func( array( $this, $method ), $arg_value );
			}
		}

	}

	/**
	 * Retrieve the string, used for concatenating the breadcrumb items.
	 *
	 * @access public
	 *
	 * @return string $glue String, used for concatenating the breadcrumb items.
	 */
	public function get_glue() {
		return $this->glue;
	}

	/**
	 * Modify the string, used for concatenating the breadcrumb items.
	 *
	 * @access public
	 *
	 * @param string $glue String, used for concatenating the breadcrumb items.
	 */
	public function set_glue( $glue = '' ) {
		$this->glue = $glue;
	}

	/**
	 * Retrieve the string before the opening link tag of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @return string $link_before String before the opening link tag of a breadcrumb item.
	 */
	public function get_link_before() {
		return $this->link_before;
	}

	/**
	 * Modify the string before the opening link tag of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @param string $link_before String before the opening link tag of a breadcrumb item.
	 */
	public function set_link_before( $link_before = '' ) {
		$this->link_before = $link_before;
	}

	/**
	 * Retrieve the string after the closing link tag of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @return string $link_after String after the closing link tag of a breadcrumb item.
	 */
	public function get_link_after() {
		return $this->link_after;
	}

	/**
	 * Modify the string after the closing link tag of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @param string $link_after String after the closing link tag of a breadcrumb item.
	 */
	public function set_link_after( $link_after = '' ) {
		$this->link_after = $link_after;
	}

	/**
	 * Retrieve the string before the breadcrumb items.
	 *
	 * @access public
	 *
	 * @return string $wrapper_before String before the breadcrumb items.
	 */
	public function get_wrapper_before() {
		return $this->wrapper_before;
	}

	/**
	 * Modify the string before the breadcrumb items.
	 *
	 * @access public
	 *
	 * @param string $wrapper_before String before the breadcrumb items.
	 */
	public function set_wrapper_before( $wrapper_before = '' ) {
		$this->wrapper_before = $wrapper_before;
	}

	/**
	 * Retrieve the string after the breadcrumb items.
	 *
	 * @access public
	 *
	 * @return string $wrapper_after String after the breadcrumb items.
	 */
	public function get_wrapper_after() {
		return $this->wrapper_after;
	}

	/**
	 * Modify the string after the breadcrumb items.
	 *
	 * @access public
	 *
	 * @param string $wrapper_after String after the breadcrumb items.
	 */
	public function set_wrapper_after( $wrapper_after = '' ) {
		$this->wrapper_after = $wrapper_after;
	}

	/**
	 * Retrieve the string before the title of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @return string $title_before String before the title of a breadcrumb item.
	 */
	public function get_title_before() {
		return $this->title_before;
	}

	/**
	 * Modify the string before the title of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @param string $title_before String before the title of a breadcrumb item.
	 */
	public function set_title_before( $title_before = '' ) {
		$this->title_before = $title_before;
	}

	/**
	 * Retrieve the string after the title of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @return string $title_after String after the title of a breadcrumb item.
	 */
	public function get_title_after() {
		return $this->title_after;
	}

	/**
	 * Modify the string after the title of a breadcrumb item.
	 *
	 * @access public
	 *
	 * @param string $title_after String after the title of a breadcrumb item.
	 */
	public function set_title_after( $title_after = '' ) {
		$this->title_after = $title_after;
	}

	/**
	 * Retrieve the minimum number of items, necessary to display the trail.
	 *
	 * @access public
	 *
	 * @return int $min_items Minimum number of items, necessary to display the trail
	 */
	public function get_min_items() {
		return $this->min_items;
	}

	/**
	 * Modify the minimum number of items, necessary to display the trail.
	 *
	 * @access public
	 *
	 * @param int $min_items Minimum number of items, necessary to display the trail.
	 */
	public function set_min_items( $min_items ) {
		$this->min_items = $min_items;
	}

	/**
	 * Whether the last item will be displayed as a link.
	 *
	 * @access public
	 *
	 * @return bool $last_item_link Whether the last item will be displayed as a link.
	 */
	public function get_last_item_link() {
		return (bool) $this->last_item_link;
	}

	/**
	 * Change whether the last item will be displayed as a link.
	 *
	 * @access public
	 *
	 * @param bool $last_item_link Whether the last item will be displayed as a link.
	 */
	public function set_last_item_link( $last_item_link ) {
		$this->last_item_link = (bool) $last_item_link;
	}

	/**
	 * Whether the home item will be displayed.
	 *
	 * @access public
	 *
	 * @return bool $display_home_item Whether the home item will be displayed.
	 */
	public function get_display_home_item() {
		return (bool) $this->display_home_item;
	}

	/**
	 * Change whether the home item will be displayed.
	 *
	 * @access public
	 *
	 * @param bool $display_home_item Whether the home item will be displayed.
	 */
	public function set_display_home_item( $display_home_item ) {
		$this->display_home_item = (bool) $display_home_item;
	}

	/**
	 * Retrieve the title of the home item.
	 *
	 * @access public
	 *
	 * @return string $home_item_title The title of the home item.
	 */
	public function get_home_item_title() {
		return $this->home_item_title;
	}

	/**
	 * Modify the title of the home item.
	 *
	 * @access public
	 *
	 * @param string $home_item_title The title of the home item.
	 */
	public function set_home_item_title( $home_item_title = '' ) {
		$this->home_item_title = $home_item_title;
	}

	/**
	 * Prepare for rendering.
	 * Allows renderer to be modified in the last second.
	 * Also autosorts the trail items, if autosorting is enabled.
	 *
	 * @access public
	 *
	 * @param Carbon_Breadcrumb_Trail $trail Trail object.
	 */
	public function prepare_for_rendering( $trail ) {
		// Last chance to modify render settings before rendering.
		do_action( 'carbon_breadcrumbs_before_render', $this );

		// Whether to auto-sort the items.
		$auto_sort = apply_filters( 'carbon_breadcrumbs_auto_sort_items', true );
		if ( $auto_sort ) {
			$trail->sort_items();
		}
	}

	/**
	 * Render the given breadcrumb trail.
	 *
	 * @access public
	 *
	 * @param Carbon_Breadcrumb_Trail $trail The trail object.
	 * @param bool                    $return Whether to return the output.
	 * @return string|void $output The output HTML if $return is true.
	 */
	public function render( Carbon_Breadcrumb_Trail $trail, $return = false ) {
		// If the items are less than the minimum, nothing should be rendered.
		if ( $trail->get_total_items() < $this->get_min_items() ) {
			return;
		}

		// Prepare the trail & renderer for rendering.
		$this->prepare_for_rendering( $trail );

		// Render the items.
		$items_output = $this->render_items( $trail );

		// Implode the breadcrumb items and wrap them with the configured wrappers.
		$output  = $this->get_wrapper_before();
		$output .= implode( $this->get_glue(), $items_output );
		$output .= $this->get_wrapper_after();

		if ( $return ) {
			return $output;
		}

		echo wp_kses( $output, wp_kses_allowed_html( 'post' ) );
	}

	/**
	 * Render the breadcrumb trail items.
	 *
	 * @access public
	 *
	 * @param Carbon_Breadcrumb_Trail $trail The trail object.
	 * @return array $output The output elements.
	 */
	public function render_items( $trail ) {
		$items_output = array();
		$counter      = 0;
		$all_items    = $trail->get_flat_items();

		foreach ( $all_items as $item ) {
			// Allow each item to be filtered right before rendering.
			$item = apply_filters( 'carbon_breadcrumbs_item', $item, $trail, $this, $counter );

			// Skip if $item is not a Carbon_Breadcrumb_Item instance.
			if ( ! ( $item instanceof Carbon_Breadcrumb_Item ) ) {
				continue;
			}

			// Increase the counter and render the item.
			$counter++;
			$item_renderer  = new Carbon_Breadcrumb_Item_Renderer( $item, $trail, $this, $counter );
			$items_output[] = $item_renderer->render();
		}

		return $items_output;
	}

}