db_fields = array( 'id' => 'id', 'parent' => 'parent' );
}
public function configure( $options = array() ) {
$this->options = wp_parse_args( $options, array(
'show_in_columns' => 1,
'show_listings_count' => true,
'collapsible_categories' => get_awpcp_option( 'collapse-categories-columns' ),
'first_level_ul_class' => 'top-level-categories showcategoriesmainlist clearfix',
'second_level_ul_class' => 'sub-categories showcategoriessublist clearfix',
'first_level_element_wrapper' => 'p',
'first_level_element_wrapper_class' => 'top-level-category maincategoryclass',
'second_level_element_wrapper' => false,
'second_level_element_wrapper_class' => false,
) );
return true;
}
public function walk( $elements, $max_depth = 0 ) {
$this->all_elements_count = count( $elements );
return str_replace( '[categories-list]', parent::walk( $elements, $max_depth ), $this->list_container() );
}
protected function list_container() {
$container = '[categories-list]
';
return apply_filters( 'awpcp-categories-list-container', $container, $this->options );
}
public function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( $this->options['collapsible_categories'] ) {
$element_start = '';
} else {
$element_start = '';
}
$class = $this->options[ 'second_level_ul_class' ];
if ( ! empty( $class ) ) {
$output .= sprintf( $element_start, 'class="' . $class . '"' );
} else {
$output .= sprintf( $element_start, '' );
}
}
public function end_lvl( &$output, $depth = 0, $args = array() ) {
$output .= '
';
}
public function start_el( &$output, $category, $depth = 0, $args = array(), $current_object_id = 0 ) {
if ( $this->is_first_element_in_row( $depth ) ) {
$output .= $this->first_level_ul_start();
}
if ( $depth == 0 ) {
$output .= sprintf( '- ', $this->options['show_in_columns'] );
$output .= $this->first_level_element_wrapper_start();
} else {
$output .= '
- ';
$output .= $this->second_level_element_wrapper_start();
}
$output .= $this->element( $category, $depth, $args, $current_object_id );
if ( $depth == 0 ) {
$output .= $this->first_level_element_wrapper_end();
} else {
$output .= $this->second_level_element_wrapper_end();
}
$this->update_elements_count( $depth );
}
private function is_first_element_in_row( $depth ) {
if ( $depth != 0 ) {
return false;
}
if ( $this->top_level_elements_count == 0 ) {
return true;
}
if ( $this->options['show_in_columns'] > 1 && $this->top_level_elements_count % $this->options['show_in_columns'] == 0 ) {
return true;
}
return false;
}
private function first_level_ul_start() {
if ( ! empty( $this->options[ 'first_level_ul_class' ] ) ) {
return sprintf( '
', $this->options[ 'first_level_ul_class' ] );
} else {
return '';
}
}
private function first_level_element_wrapper_start() {
$tag = $this->options['first_level_element_wrapper'];
$class = $this->options['first_level_element_wrapper_class'];
return $this->element_wrapper_start( $tag, $class );
}
private function element_wrapper_start( $tag, $class ) {
if ( ! empty( $tag ) && ! empty( $class ) ) {
return sprintf( '<%s class="%s">', $tag, $class );
} else if ( ! empty( $tag ) ) {
return sprintf( '<%s>', $tag );
} else {
return '';
}
}
private function second_level_element_wrapper_start() {
$tag = $this->options['second_level_element_wrapper'];
$class = $this->options['second_level_element_wrapper_class'];
return $this->element_wrapper_start( $tag, $class );
}
protected function element( $category, $depth, $args, $current_object_id ) {
$element = '[category-icon][category-name] [listings-count][js-handler]';
$element = str_replace( '[category-icon]', $this->render_category_icon( $category ), $element );
$element = str_replace( '[category-class]', $depth == 0 ? 'toplevelitem' : '', $element );
$element = str_replace( '[category-url]', esc_attr( url_browsecategory( $category ) ), $element );
$element = str_replace( '[category-name]', esc_attr( $category->name ), $element );
$element = str_replace( '[listings-count]', $this->render_listings_count( $category ), $element );
$element = str_replace( '[js-handler]', $this->render_js_handler( $depth ), $element );
return $element;
}
private function first_level_element_wrapper_end() {
return $this->element_wrapper_end( $this->options['first_level_element_wrapper'] );
}
private function element_wrapper_end( $tag ) {
if ( $tag ) {
return '';
} else {
return '';
}
}
private function second_level_element_wrapper_end() {
return $this->element_wrapper_end( $this->options['second_level_element_wrapper'] );
}
private function render_category_icon( $category ) {
if ( ! function_exists( 'awpcp_get_category_icon' ) || ! function_exists( 'awpcp_category_icon_url' ) ) {
return '';
}
$category_icon_filename = awpcp_get_category_icon( $category );
if ( empty( $category_icon_filename ) ) {
return '';
}
$category_icon_url = awpcp_category_icon_url( $category_icon_filename );
$category_icon = '![[category-name]]([category-icon-url])
';
$category_icon = str_replace( '[category-icon-url]', $category_icon_url, $category_icon );
return $category_icon;
}
private function render_listings_count( $category ) {
return $this->options['show_listings_count'] ? '(' . $category->listings_count . ')' : '';
}
private function render_js_handler( $depth ) {
if ( $this->options['collapsible_categories'] && $depth == 0 ) {
return '';
} else {
return '';
}
}
private function update_elements_count( $depth ) {
if ( $depth == 0 ) {
$this->top_level_elements_count = $this->top_level_elements_count + 1;
}
$this->elements_count = $this->elements_count + 1;
}
public function end_el( &$output, $object, $depth = 0, $args = array() ) {
$output .= '
';
if ( $this->is_last_element_in_row( $depth ) ) {
$output .= '
';
}
}
private function is_last_element_in_row( $depth ) {
if ( $depth != 0 ) {
return false;
}
if ( $this->options['show_in_columns'] > 1 && $this->top_level_elements_count % $this->options['show_in_columns'] == 0 ) {
return true;
}
if ( $this->elements_count == $this->all_elements_count ) {
return true;
}
return false;
}
}
}