__( 'A widget that shows post/page preview', 'adsoft_language' ) ) ); } /** * Helper function that holds widget fields * Array is used in update and form functions */ private function widget_fields() { $fields = array( // Title 'widget_title' => array( 'adsoft_widgets_name' => 'widget_title', 'adsoft_widgets_title' => __( 'Title', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'text' ), // Other fields 'post_id_one' => array ( 'adsoft_widgets_name' => 'post_id_one', 'adsoft_widgets_title' => __( '#1 Post ID', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'number' ), 'post_id_two' => array ( 'adsoft_widgets_name' => 'post_id_two', 'adsoft_widgets_title' => __( '#2 Post ID', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'number' ), 'post_id_three' => array ( 'adsoft_widgets_name' => 'post_id_three', 'adsoft_widgets_title' => __( '#3 Post ID', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'number' ), 'post_id_four' => array ( 'adsoft_widgets_name' => 'post_id_four', 'adsoft_widgets_title' => __( '#4 Post ID', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'number' ), 'post_id_five' => array ( 'adsoft_widgets_name' => 'post_id_five', 'adsoft_widgets_title' => __( '#5 Post ID', 'adsoft_language' ), 'adsoft_widgets_field_type' => 'number' ), ); return $fields; } /** * Front-end display of widget. * * @see WP_Widget::widget() * * @param array $args Widget arguments. * @param array $instance Saved values from database. */ public function widget( $args, $instance ) { extract( $args ); $post_id_one = $instance['post_id_one']; $post_id_two = $instance['post_id_two']; $post_id_three = $instance['post_id_three']; $post_id_four = $instance['post_id_four']; $post_id_five = $instance['post_id_five']; $widget_title = apply_filters( 'widget_title', $instance['widget_title'] ); echo $before_widget; // Show title if( isset( $widget_title ) ) { echo $before_title . $widget_title . $after_title; } echo '

'; // No need to do anything if 'post_id_one' field is empty if( isset( $post_id_one ) ) { // Check if that ID exists if( $post_object = get_post( $post_id_one ) ) { echo '
• ' . get_the_post_thumbnail( $post_id_one, 'thumb-medium' ) . '' . $post_object->post_title . ''; echo '
'; } } // No need to do anything if 'post_id_two' field is empty if( isset( $post_id_two ) ) { // Check if that ID exists if( $post_object = get_post( $post_id_two ) ) { echo '
• ' . $post_object->post_title . ''; echo '
'; } } // No need to do anything if 'post_id_three' field is empty if( isset( $post_id_three ) ) { // Check if that ID exists if( $post_object = get_post( $post_id_three ) ) { echo '
• ' . $post_object->post_title . '' ; echo '
'; } } // No need to do anything if 'post_id_four' field is empty if( isset( $post_id_four ) ) { // Check if that ID exists if( $post_object = get_post( $post_id_four ) ) { echo '
• ' . $post_object->post_title . '' ; echo '
'; } } // No need to do anything if 'post_id_five' field is empty if( isset( $post_id_five ) ) { // Check if that ID exists if( $post_object = get_post( $post_id_five ) ) { echo '
• ' . $post_object->post_title . '' ; echo '
'; } } echo '

'; echo $after_widget ; } /** * Sanitize widget form values as they are saved. * * @see WP_Widget::update() * * @param array $new_instance Values just sent to be saved. * @param array $old_instance Previously saved values from database. * * @uses adsoft_widgets_updated_field_value() defined in widget-fields.php * * @return array Updated safe values to be saved. */ public function update( $new_instance, $old_instance ) { $instance = $old_instance; $widget_fields = $this->widget_fields(); // Loop through fields foreach( $widget_fields as $widget_field ) { extract( $widget_field ); // Use helper function to get updated field values $instance[$adsoft_widgets_name] = adsoft_widgets_updated_field_value( $widget_field, $new_instance[$adsoft_widgets_name] ); echo $instance[$adsoft_widgets_name]; } return $instance; } /** * Back-end widget form. * * @see WP_Widget::form() * * @param array $instance Previously saved values from database. * * @uses adsoft_widgets_show_widget_field() defined in widget-fields.php */ public function form( $instance ) { $widget_fields = $this->widget_fields(); // Loop through fields foreach( $widget_fields as $widget_field ) { // Make array elements available as variables extract( $widget_field ); $adsoft_widgets_field_value = isset( $instance[$adsoft_widgets_name] ) ? esc_attr( $instance[$adsoft_widgets_name] ) : ''; adsoft_widgets_show_widget_field( $this, $widget_field, $adsoft_widgets_field_value ); } } }