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<?php
class VamtamHideWidgets {
private static $instance;
private $hidden;
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
public function __construct() {
$this->hidden = array();
add_filter( 'widget_update_callback', array( $this, 'widget_update' ), 10, 4 );
add_filter( 'widget_display_callback', array( $this, 'widget_display' ), 10, 3 );
add_action( 'in_widget_form', array( $this, 'widget_conditions_admin' ), 10, 3 );
add_action( 'wp_footer', array( $this, 'wp_footer' ) );
}
public function widget_update( $instance, $new_instance, $old_instance, $widget ) {
$instance['vamtam_hide_low_res'] = isset( $new_instance['vamtam_hide_low_res'] );
return $instance;
}
public function widget_display( $instance, $widget, $args ) {
if ( isset( $instance['vamtam_hide_low_res'] ) && $instance['vamtam_hide_low_res'] ) {
$this->hidden[] = $widget->id;
}
return $instance;
}
public function widget_conditions_admin( $widget, $return, $instance ) {
$value = isset( $instance['vamtam_hide_low_res'] ) ? $instance['vamtam_hide_low_res'] : false;
?>
<p>
<label>
<input type="checkbox" name="<?php echo esc_attr( $widget->get_field_name( 'vamtam_hide_low_res' ) ); ?>" <?php checked( $value, true ) ?> />
<?php esc_html_e( 'Hide on low resolutions', 'nex' ); ?>
</label>
</p>
<?php
}
public function wp_footer() {
if ( ! empty( $this->hidden ) ) {
wp_enqueue_script( 'vamtam-hide-widgets' );
wp_localize_script( 'vamtam-hide-widgets', 'VAMTAM_HIDDEN_WIDGETS', $this->hidden );
}
}
}