breadcrumb_count > 0) && (get_option("show_breadcrumbs") == 1)){
return true;
} else {
return false;
}
}
/**
* wpsc have breadcrumbs function
* @return boolean - true if we have breadcrumbs to loop through
*/
function wpsc_have_breadcrumbs() {
global $wpsc_breadcrumbs;
return $wpsc_breadcrumbs->have_breadcrumbs();
}
/**
* wpsc the breadcrumbs function
* @return nothing - iterate through the breadcrumbs
*/
function wpsc_the_breadcrumb() {
global $wpsc_breadcrumbs;
$wpsc_breadcrumbs->the_breadcrumb();
}
/**
* wpsc breadcrumb name function
* @return string - the breadcrumb name
*/
function wpsc_breadcrumb_name() {
global $wpsc_breadcrumbs;
return $wpsc_breadcrumbs->breadcrumb['name'];
}
/**
* wpsc breadcrumb slug function
* @return string - the breadcrumb slug - for use in the CSS ID
*/
function wpsc_breadcrumb_slug() {
global $wpsc_breadcrumbs;
return (isset($wpsc_breadcrumbs->breadcrumb['slug']) ? $wpsc_breadcrumbs->breadcrumb['slug'] : '');
}
/**
* wpsc breadcrumb URL function
* @return string - the breadcrumb URL
*/
function wpsc_breadcrumb_url() {
global $wpsc_breadcrumbs;
if($wpsc_breadcrumbs->breadcrumb['url'] == '') {
return false;
} else {
return $wpsc_breadcrumbs->breadcrumb['url'];
}
}
/**
* Output breadcrumbs if configured
* @return None - outputs breadcrumb HTML
*/
function wpsc_output_breadcrumbs( $options = null ) {
// Defaults
$options = apply_filters( 'wpsc_output_breadcrumbs_options', $options );
$options = wp_parse_args( (array)$options, array(
'before-breadcrumbs' => '',
'after-breadcrumbs' => '
',
'before-crumb' => '',
'after-crumb' => '',
'crumb-separator' => ' » ',
'show_home_page' => true,
'show_products_page' => true,
'echo' => true
) );
$output = '';
$products_page_id = wpec_get_the_post_id_by_shortcode( '[productspage]' );
$products_page = get_post( $products_page_id );
if ( !wpsc_has_breadcrumbs() ) {
return;
}
$filtered_products_page = array(
'url' => get_option( 'product_list_url' ),
'name' => apply_filters ( 'the_title', $products_page->post_title )
);
$filtered_products_page = apply_filters( 'wpsc_change_pp_breadcrumb', $filtered_products_page );
// Home Page Crumb
// If home if the same as products page only show the products-page link and not the home link
if ( get_option( 'page_on_front' ) != $products_page_id && $options['show_home_page'] ) {
$output .= $options['before-crumb'];
$output .= '' . get_option( 'blogname' ) . '';
$output .= $options['after-crumb'];
}
// Products Page Crumb
if ( $options['show_products_page'] ) {
if ( !empty( $output ) ) {
$output .= $options['crumb-separator'];
}
$output .= $options['before-crumb'];
$output .= '' . $filtered_products_page['name'] . '';
$output .= $options['after-crumb'];
}
// Remaining Crumbs
while ( wpsc_have_breadcrumbs() ) {
wpsc_the_breadcrumb();
if ( !empty( $output ) ) {
$output .= $options['crumb-separator'];
}
$output .= $options['before-crumb'];
if ( wpsc_breadcrumb_url() ) {
$output .= '' . wpsc_breadcrumb_name() . '';
} else {
$output .= '' . wpsc_breadcrumb_name() . '';
}
$output .= $options['after-crumb'];
}
$output = $options['before-breadcrumbs'] . apply_filters( 'wpsc_output_breadcrumbs', $output, $options ) . $options['after-breadcrumbs'];
if ( $options['echo'] ) {
echo $output;
} else {
return $output;
}
}
/**
* wpsc_breadcrumbs class.
*
*/
class wpsc_breadcrumbs {
var $breadcrumbs;
var $breadcrumb_count = 0;
var $current_breadcrumb = -1;
var $breadcrumb;
/**
* wpsc__breadcrumbs function.
*
* @access public
* @return void
*/
function wpsc_breadcrumbs() {
global $wp_query, $wpsc_query;
$this->breadcrumbs = array();
$query_data = Array();
if ( isset($wp_query->query_vars['post_type']) && 'wpsc-product' == $wp_query->query_vars['post_type'] && 1 == $wp_query->query_vars['posts_per_page'] && isset($wp_query->post))
$query_data['product'] = $wp_query->post->post_title;
if ( !empty($wpsc_query->query_vars['wpsc_product_category']) )
$query_data['category'] = $wpsc_query->query_vars['wpsc_product_category'];
if(!empty($query_data['product']) && !empty($wp_query->post)) {
$this->breadcrumbs[] = array(
'name' => htmlentities($wp_query->post->post_title, ENT_QUOTES, 'UTF-8'),
'url' => '',
'slug' => $query_data['product']
);
}
if(1 == $wp_query->post_count){
$categories = wp_get_object_terms( $wp_query->post->ID , 'wpsc_product_category' );
//if product is associated w more than one category
if(count($categories) > 1 && isset($wpsc_query->query_vars['wpsc_product_category']))
$query_data['category'] = $wpsc_query->query_vars['wpsc_product_category'];
elseif(count($categories) > 0)
$query_data['category'] = $categories[0]->slug;
}
if( isset( $query_data['category'] ) )
$term_data = get_term_by('slug', $query_data['category'], 'wpsc_product_category');
else
$term_data = get_term_by('slug', 'uncategorized', 'wpsc_product_category');
if( $term_data != false) {
$this->breadcrumbs[] = array(
'name' => htmlentities( $term_data->name, ENT_QUOTES, 'UTF-8'),
'url' => get_term_link( $term_data->slug, 'wpsc_product_category'),
'slug' => $term_data->slug
);
$i = 0;
while(($term_data->parent > 0) && ($i <= 20)) {
$term_data = get_term($term_data->parent, 'wpsc_product_category');
$this->breadcrumbs[] = array(
'name' => htmlentities( $term_data->name, ENT_QUOTES, 'UTF-8'),
'url' => get_term_link( $term_data->slug, 'wpsc_product_category')
);
$i++;
}
}
$this->breadcrumbs = apply_filters( 'wpsc_breadcrumbs', array_reverse( $this->breadcrumbs ) );
$this->breadcrumb_count = count($this->breadcrumbs);
}
/**
* next_breadcrumbs function.
*
* @access public
* @return void
*/
function next_breadcrumbs() {
$this->current_breadcrumb++;
$this->breadcrumb = $this->breadcrumbs[$this->current_breadcrumb];
return $this->breadcrumb;
}
/**
* the_breadcrumb function.
*
* @access public
* @return void
*/
function the_breadcrumb() {
$this->breadcrumb = $this->next_breadcrumbs();
}
/**
* have_breadcrumbs function.
*
* @access public
* @return void
*/
function have_breadcrumbs() {
if ($this->current_breadcrumb + 1 < $this->breadcrumb_count) {
return true;
} else if ($this->current_breadcrumb + 1 == $this->breadcrumb_count && $this->breadcrumb_count > 0) {
$this->rewind_breadcrumbs();
}
return false;
}
/**
* rewind_breadcrumbs function.
*
* @access public
* @return void
*/
function rewind_breadcrumbs() {
$this->current_breadcrumb = -1;
if ($this->breadcrumb_count > 0) {
$this->breadcrumb = $this->breadcrumbs[0];
}
}
}
?>