'', 'classname' => '', 'description' => '', 'width' => '', 'class' => '', 'fields' => array(), 'defaults' => array(), ); public function __construct( $key, $params ) { $widget_ops = array(); $control_ops = array(); $this->unique = $key; $this->args = apply_filters( "csf_{$this->unique}_args", wp_parse_args( $params, $this->args ), $this ); // Set control options if ( ! empty( $this->args['width'] ) ) { $control_ops['width'] = esc_attr( $this->args['width'] ); } // Set widget options if ( ! empty( $this->args['description'] ) ) { $widget_ops['description'] = esc_attr( $this->args['description'] ); } if ( ! empty( $this->args['classname'] ) ) { $widget_ops['classname'] = esc_attr( $this->args['classname'] ); } // Set filters $widget_ops = apply_filters( "csf_{$this->unique}_widget_ops", $widget_ops, $this ); $control_ops = apply_filters( "csf_{$this->unique}_control_ops", $control_ops, $this ); parent::__construct( $this->unique, esc_attr( $this->args['title'] ), $widget_ops, $control_ops ); } // Register widget with WordPress public static function instance( $key, $params = array() ) { return new self( $key, $params ); } // Front-end display of widget. public function widget( $args, $instance ) { call_user_func( $this->unique, $args, $instance ); } // get default value public function get_default( $field ) { $default = ( isset( $field['default'] ) ) ? $field['default'] : ''; $default = ( isset( $this->args['defaults'][$field['id']] ) ) ? $this->args['defaults'][$field['id']] : $default; return $default; } // get widget value public function get_widget_value( $instance, $field ) { $default = ( isset( $field['id'] ) ) ? $this->get_default( $field ) : ''; $value = ( isset( $field['id'] ) && isset( $instance[$field['id']] ) ) ? $instance[$field['id']] : $default; return $value; } // Back-end widget form. public function form( $instance ) { if ( ! empty( $this->args['fields'] ) ) { $class = ( $this->args['class'] ) ? ' '. $this->args['class'] : ''; echo '

'; foreach ( $this->args['fields'] as $field ) { $field_unique = ''; if ( ! empty( $field['id'] ) ) { $field_unique = 'widget-' . $this->unique . '[' . $this->number . ']'; if ( $field['id'] === 'title' ) { $field['attributes']['id'] = 'widget-'. $this->unique .'-'. $this->number .'-title'; } $field['default'] = $this->get_default( $field ); } CSF::field( $field, $this->get_widget_value( $instance, $field ), $field_unique ); } echo '

'; } } // Sanitize widget form values as they are saved. public function update( $new_instance, $old_instance ) { // auto sanitize foreach ( $this->args['fields'] as $field ) { if ( ! empty( $field['id'] ) && ( ! isset( $new_instance[$field['id']] ) || is_null( $new_instance[$field['id']] ) ) ) { $new_instance[$field['id']] = ''; } } $new_instance = apply_filters( "csf_{$this->unique}_save", $new_instance, $this->args, $this ); do_action( "csf_{$this->unique}_save_before", $new_instance, $this->args, $this ); return $new_instance; } } }