121 lines
3.9 KiB
PHP
121 lines
3.9 KiB
PHP
<?php
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/**
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* WC_Product_Cat_List_Walker class.
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*
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* @extends Walker
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* @class WC_Product_Cat_Dropdown_Walker
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* @version 1.6.4
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* @package WooCommerce/Classes/Walkers
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* @author WooThemes
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*/
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
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class WC_Product_Cat_List_Walker extends Walker {
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var $tree_type = 'product_cat';
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var $db_fields = array ( 'parent' => 'parent', 'id' => 'term_id', 'slug' => 'slug' );
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/**
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* @see Walker::start_lvl()
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* @since 2.1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param int $depth Depth of category. Used for tab indentation.
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* @param array $args Will only append content if style argument value is 'list'.
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*/
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public function start_lvl( &$output, $depth = 0, $args = array() ) {
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if ( 'list' != $args['style'] )
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return;
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$indent = str_repeat("\t", $depth);
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$output .= "$indent<ul class='children'>\n";
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}
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/**
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* @see Walker::end_lvl()
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* @since 2.1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param int $depth Depth of category. Used for tab indentation.
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* @param array $args Will only append content if style argument value is 'list'.
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*/
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public function end_lvl( &$output, $depth = 0, $args = array() ) {
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if ( 'list' != $args['style'] )
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return;
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$indent = str_repeat("\t", $depth);
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$output .= "$indent</ul>\n";
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}
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/**
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* @see Walker::start_el()
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* @since 2.1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $category Category data object.
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* @param int $depth Depth of category in reference to parents.
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* @param integer $current_object_id
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*/
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public function start_el( &$output, $cat, $depth = 0, $args = array(), $current_object_id = 0 ) {
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$output .= '<li class="cat-item cat-item-' . $cat->term_id;
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if ( $args['current_category'] == $cat->term_id ) {
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$output .= ' current-cat';
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}
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if ( $args['has_children'] && $args['hierarchical'] ) {
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$output .= ' cat-parent';
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}
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if ( $args['current_category_ancestors'] && $args['current_category'] && in_array( $cat->term_id, $args['current_category_ancestors'] ) ) {
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$output .= ' current-cat-parent';
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}
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$output .= '"><a href="' . get_term_link( (int) $cat->term_id, 'product_cat' ) . '">' . __( $cat->name, 'woocommerce' ) . '</a>';
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if ( $args['show_count'] ) {
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$output .= ' <span class="count">(' . $cat->count . ')</span>';
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}
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}
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/**
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* @see Walker::end_el()
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* @since 2.1.0
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $page Not used.
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* @param int $depth Depth of category. Not used.
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* @param array $args Only uses 'list' for whether should append to output.
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*/
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public function end_el( &$output, $cat, $depth = 0, $args = array() ) {
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$output .= "</li>\n";
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}
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/**
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* Traverse elements to create list from elements.
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*
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* Display one element if the element doesn't have any children otherwise,
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* display the element and its children. Will only traverse up to the max
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* depth and no ignore elements under that depth. It is possible to set the
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* max depth to include all depths, see walk() method.
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*
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* This method shouldn't be called directly, use the walk() method instead.
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*
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* @since 2.5.0
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*
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* @param object $element Data object
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* @param array $children_elements List of elements to continue traversing.
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* @param int $max_depth Max depth to traverse.
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* @param int $depth Depth of current element.
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* @param array $args
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* @param string $output Passed by reference. Used to append additional content.
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* @return null Null on failure with no changes to parameters.
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*/
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public function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) {
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if ( ! $element || 0 === $element->count ) {
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return;
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}
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parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
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}
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} |