*
* @wordpress plugin
* Plugin Name: Canuck Category Widget
* Plugin URI: http://kevinsspace.ca/canuckdemo/
* Description: A widget for the Canuck Theme that allows the user to remove categories from the list.
* Version: 1.2.0
* Author: Kevin Archibald
* Author URI: http://kevinsspace.ca/
* License: GPLv2 or later
* License URI: http://www.gnu.org/licenses/gpl-2.0.txt
*/
/**
* Use widgets_init action hook to execute custom function.
*/
add_action( 'widgets_init', 'canuck_register_category_widget' );
/**
* Register our widget.
*/
function canuck_register_category_widget() {
register_widget( 'Canuck_Category_Widget' );
}
/**
* Categories widget class
*/
class Canuck_Category_Widget extends WP_Widget {
/**
* Sets up the widgets name etc.
*/
public function __construct() {
$widget_ops = array(
'classname' => 'canuck_category_widget_class',
'description' => esc_html__( 'Display selected categories', 'canuck' ),
);
parent::__construct( 'canuck_category_widget', esc_html__( 'Canuck Category Widget', 'canuck' ), $widget_ops );
}
/**
* Outputs the options form on admin.
*
* @param array $instance The widget options.
*/
public function form( $instance ) {
$canuck_category_defaults = array(
'canuck_title' => esc_html__( 'Categories', 'canuck' ),
'canuck_count' => false,
'canuck_hierarchical' => false,
'canuck_dropdown' => false,
);
$instance = wp_parse_args( (array) $instance, $canuck_category_defaults );
$title = $instance['canuck_title'];
$count = $instance['canuck_count'];
$hierarchical = $instance['canuck_hierarchical'];
$dropdown = $instance['canuck_dropdown'];
// Validate data.
if ( true !== $count ) {
$count = false;
}
if ( true !== $hierarchical ) {
$hierarchical = false;
}
if ( true !== $dropdown ) {
$dropdown = false;
}
?>
/>
/>
/>
id_base );
$c = ! empty( $instance['canuck_count'] ) ? true : false;
$h = ! empty( $instance['canuck_hierarchical'] ) ? true : false;
$d = ! empty( $instance['canuck_dropdown'] ) ? true : false;
// Get exclude ids.
$exclude_ids = canuck_exclude_category_validation();
$id_picks = array();
$id_picks = explode( ',', $exclude_ids );
$filtered_list = '';
$counter = 0;
foreach ( $id_picks as $pick ) {
if ( 1 < intval( $id_picks[ $counter ] ) ) {
$filtered_list .= intval( $id_picks[ $counter ] ) . ',';
}
$counter++;
}
$exclude_ids = trim( $filtered_list, ',' );
$x = $exclude_ids;
echo $args['before_widget']; // xss ok.
if ( '' !== $title ) {
echo $args['before_title'] . $title . $args['after_title']; // xss ok.
}
$cat_args = array(
'orderby' => 'name',
'show_count' => $c,
'hierarchical' => $h,
'exclude' => $x,
'show_option_none' => esc_html__( 'Select Category', 'canuck' ),
'option_none_value' => 'none',
'value_field' => 'slug',
);
if ( true === $d ) {
$cat_args['option_none_value'] = esc_html__( 'Select Category', 'canuck' );
/**
* Filter the arguments for the Categories widget drop-down.
*
* @since 2.8.0
*
* @see wp_dropdown_categories()
*
* @param array $cat_args An array of Categories widget drop-down arguments.
*/
wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args ) ); // xss ok.
?>