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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
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/** |
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* RSS Links Widget |
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* |
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* @package automattic/jetpack |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit( 0 ); |
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} |
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|
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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files. |
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|
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/** |
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* Register the widget. |
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*/ |
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function jetpack_rss_links_widget_init() { |
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register_widget( Jetpack_RSS_Links_Widget::class ); |
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} |
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add_action( 'widgets_init', 'jetpack_rss_links_widget_init' ); |
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|
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/** |
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* RSS Links Widget class. |
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*/ |
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class Jetpack_RSS_Links_Widget extends WP_Widget { |
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/** |
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* Constructor |
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*/ |
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public function __construct() { |
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$widget_ops = array( |
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'classname' => 'widget_rss_links', |
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'description' => __( "Links to your blog's RSS feeds", 'jetpack' ), |
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'customize_selective_refresh' => true, |
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); |
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parent::__construct( |
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'rss_links', |
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/** This filter is documented in modules/widgets/facebook-likebox.php */ |
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apply_filters( 'jetpack_widget_name', __( 'RSS Links', 'jetpack' ) ), |
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$widget_ops |
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); |
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} |
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|
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/** |
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* Display the widget. |
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* |
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* @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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public function widget( $args, $instance ) { |
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$instance = wp_parse_args( (array) $instance, $this->defaults() ); |
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|
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$before_widget = $args['before_widget'] ?? ''; |
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$before_title = $args['before_title'] ?? ''; |
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$after_title = $args['after_title'] ?? ''; |
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$after_widget = $args['after_widget'] ?? ''; |
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|
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/** This filter is documented in core/src/wp-includes/default-widgets.php */ |
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$title = apply_filters( 'widget_title', $instance['title'] ); |
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echo $before_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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|
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if ( $title ) { |
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echo $before_title . $title . $after_title; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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} |
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|
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if ( 'text' === $instance['format'] ) { |
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echo '<ul>'; |
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} |
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|
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if ( 'posts' === $instance['display'] ) { |
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$this->rss_link( 'posts', $instance ); |
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} elseif ( 'comments' === $instance['display'] ) { |
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$this->rss_link( 'comments', $instance ); |
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} elseif ( 'posts-comments' === $instance['display'] ) { |
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$this->rss_link( 'posts', $instance ); |
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$this->rss_link( 'comments', $instance ); |
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} |
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|
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if ( 'text' === $instance['format'] ) { |
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echo '</ul>'; |
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} |
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|
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echo "\n" . $after_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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|
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/** This action is documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'widget_view', 'rss-links' ); |
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} |
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|
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/** |
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* Return an associative array of default values |
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* These values are used in new widgets as well as when sanitizing input. |
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* |
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* @return array Array of default values for the Widget's options |
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*/ |
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public function defaults() { |
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return array( |
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'title' => '', |
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'display' => 'posts-comments', |
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'format' => 'text', |
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); |
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} |
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|
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/** |
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* Sanitize widget form values as they are saved. |
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* |
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* @see WP_Widget::update() |
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* |
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* @param array $new_instance Values just sent to be saved. |
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* @param array $old_instance Previously saved values from database. |
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* |
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* @return array Updated safe values to be saved. |
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*/ |
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public function update( $new_instance, $old_instance ) { |
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$instance = $old_instance; |
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|
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$instance['title'] = wp_filter_nohtml_kses( $new_instance['title'] ); |
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$instance['display'] = $new_instance['display']; |
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$instance['format'] = $new_instance['format']; |
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$instance['imagesize'] = $new_instance['imagesize']; |
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$instance['imagecolor'] = $new_instance['imagecolor']; |
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|
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return $instance; |
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} |
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|
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/** |
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* Back end widget form. |
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* |
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* @see WP_Widget::form() |
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* |
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* @param array $instance Previously saved values from database. |
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* |
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* @return string|void |
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*/ |
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public function form( $instance ) { |
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$instance = wp_parse_args( (array) $instance, $this->defaults() ); |
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|
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$title = stripslashes( $instance['title'] ); |
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$display = $instance['display']; |
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$format = $instance['format']; |
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$image_size = $instance['imagesize'] ?? 0; |
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$image_color = $instance['imagecolor'] ?? 'red'; |
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|
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echo '<p><label for="' . esc_attr( $this->get_field_id( 'title' ) ) . '">' . esc_html__( 'Title:', 'jetpack' ) . ' |
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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'title' ) ) . '" name="' . esc_attr( $this->get_field_name( 'title' ) ) . '" type="text" value="' . esc_attr( $title ) . '" /> |
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</label></p>'; |
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|
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$displays = array( |
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'posts' => __( 'Posts', 'jetpack' ), |
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'comments' => __( 'Comments', 'jetpack' ), |
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'posts-comments' => __( 'Posts & Comments', 'jetpack' ), |
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); |
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echo '<p><label for="' . esc_attr( $this->get_field_id( 'display' ) ) . '">' . esc_html__( 'Feed(s) to Display:', 'jetpack' ) . ' |
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<select class="widefat" id="' . esc_attr( $this->get_field_id( 'display' ) ) . '" name="' . esc_attr( $this->get_field_name( 'display' ) ) . '">'; |
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foreach ( $displays as $display_option => $label ) { |
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echo '<option value="' . esc_attr( $display_option ) . '"'; |
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if ( $display_option === $display ) { |
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echo ' selected="selected"'; |
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} |
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echo '>' . esc_html( $label ) . '</option>' . "\n"; |
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} |
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echo '</select></label></p>'; |
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|
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$formats = array( |
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'text' => __( 'Text Link', 'jetpack' ), |
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'image' => __( 'Image Link', 'jetpack' ), |
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'text-image' => __( 'Text & Image Links', 'jetpack' ), |
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); |
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echo '<p><label for="' . esc_attr( $this->get_field_id( 'format' ) ) . '">' . esc_html_x( 'Format:', 'Noun', 'jetpack' ) . ' |
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<select class="widefat" id="' . esc_attr( $this->get_field_id( 'format' ) ) . '" name="' . esc_attr( $this->get_field_name( 'format' ) ) . '" onchange="if ( this.value == \'text\' ) jQuery( ' . esc_attr( wp_json_encode( '#' . $this->get_field_id( 'image-settings' ), JSON_UNESCAPED_SLASHES | JSON_HEX_AMP ) ) . ' ).fadeOut(); else jQuery( ' . esc_attr( wp_json_encode( '#' . $this->get_field_id( 'image-settings' ), JSON_UNESCAPED_SLASHES | JSON_HEX_AMP ) ) . ' ).fadeIn();">'; |
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foreach ( $formats as $format_option => $label ) { |
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echo '<option value="' . esc_attr( $format_option ) . '"'; |
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if ( $format_option === $format ) { |
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echo ' selected="selected"'; |
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} |
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echo '>' . esc_html( $label ) . '</option>' . "\n"; |
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} |
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echo '</select></label></p>'; |
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|
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echo '<div id="' . esc_attr( $this->get_field_id( 'image-settings' ) ) . '"'; |
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if ( 'text' === $format ) { |
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echo ' style="display: none;"'; |
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} |
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echo '><h3>' . esc_html__( 'Image Settings:', 'jetpack' ) . '</h3>'; |
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|
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$sizes = array( |
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'small' => __( 'Small', 'jetpack' ), |
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'medium' => __( 'Medium', 'jetpack' ), |
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'large' => __( 'Large', 'jetpack' ), |
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); |
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echo '<p><label for="' . esc_attr( $this->get_field_id( 'imagesize' ) ) . '">' . esc_html__( 'Image Size:', 'jetpack' ) . ' |
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<select class="widefat" id="' . esc_attr( $this->get_field_id( 'imagesize' ) ) . '" name="' . esc_attr( $this->get_field_name( 'imagesize' ) ) . '">'; |
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foreach ( $sizes as $size => $label ) { |
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echo '<option value="' . esc_attr( $size ) . '"'; |
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if ( $size === $image_size ) { |
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echo ' selected="selected"'; |
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} |
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echo '>' . esc_html( $label ) . '</option>' . "\n"; |
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} |
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echo '</select></label></p>'; |
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|
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$colors = array( |
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'red' => __( 'Red', 'jetpack' ), |
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'orange' => __( 'Orange', 'jetpack' ), |
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'green' => __( 'Green', 'jetpack' ), |
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'blue' => __( 'Blue', 'jetpack' ), |
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'purple' => __( 'Purple', 'jetpack' ), |
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'pink' => __( 'Pink', 'jetpack' ), |
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'silver' => __( 'Silver', 'jetpack' ), |
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); |
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echo '<p><label for="' . esc_attr( $this->get_field_id( 'imagecolor' ) ) . '">' . esc_html__( 'Image Color:', 'jetpack' ) . ' |
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<select class="widefat" id="' . esc_attr( $this->get_field_id( 'imagecolor' ) ) . '" name="' . esc_attr( $this->get_field_name( 'imagecolor' ) ) . '">'; |
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foreach ( $colors as $color => $label ) { |
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echo '<option value="' . esc_attr( $color ) . '"'; |
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if ( $color === $image_color ) { |
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echo ' selected="selected"'; |
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} |
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echo '>' . esc_html( $label ) . '</option>' . "\n"; |
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} |
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echo '</select></label></p></div>'; |
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} |
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|
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/** |
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* Output a link with a link to the feed. |
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* |
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* @param string $type Widget type (posts or comments). |
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* @param array $args Widget arguments. |
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*/ |
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private function rss_link( $type, $args ) { |
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$link_text = null; |
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$rss_type = null; |
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$subscribe_to = null; |
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|
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if ( 'posts' === $type ) { |
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$subscribe_to = esc_html__( 'Subscribe to posts', 'jetpack' ); |
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$link_text = esc_html__( 'RSS - Posts', 'jetpack' ); |
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$rss_type = 'rss2_url'; |
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} elseif ( 'comments' === $type ) { |
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$subscribe_to = esc_html__( 'Subscribe to comments', 'jetpack' ); |
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$link_text = esc_html__( 'RSS - Comments', 'jetpack' ); |
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$rss_type = 'comments_rss2_url'; |
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} |
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|
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/** |
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* Filters the target link attribute for the RSS link in the RSS widget. |
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* |
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* @module widgets |
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* |
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* @since 3.4.0 |
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* |
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* @param bool false Control whether the link should open in a new tab. Default to false. |
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*/ |
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if ( apply_filters( 'jetpack_rsslinks_widget_target_blank', false ) ) { |
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$link_target = '_blank'; |
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} else { |
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$link_target = '_self'; |
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} |
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|
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$link_contents = null; |
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$format = $args['format']; |
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if ( 'image' === $format ) { |
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$link_contents = $this->get_image_tag( $args ); |
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} elseif ( 'text-image' === $format ) { |
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$link_contents = sprintf( |
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'%1$s %2$s', |
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$this->get_image_tag( $args ), |
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$link_text |
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); |
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} elseif ( 'text' === $format ) { |
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$link_contents = $link_text; |
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} |
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|
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printf( |
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'%1$s<a target="%3$s" href="%4$s" title="%5$s">%6$s</a>%2$s', |
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'text' === $format ? '<li>' : '<p>', |
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'text' === $format ? '</li>' : '</p>', |
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esc_attr( $link_target ), |
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esc_url( get_bloginfo( $rss_type ) ), |
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esc_attr( $subscribe_to ), |
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$link_contents // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- we are escaping this above. |
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); |
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} |
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|
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/** |
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* Return an image tag for the RSS icon. |
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* |
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* @param array $args Widget arguments. |
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*/ |
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private function get_image_tag( $args ) { |
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$image_path = sprintf( |
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'images/rss/%1$s-%2$s.png', |
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$args['imagecolor'], |
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$args['imagesize'] |
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); |
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|
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/** |
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* Filters the image used as RSS icon in the RSS widget. |
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* |
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* @module widgets |
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* |
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* @since 3.6.0 |
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* |
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* @param string $var URL of RSS Widget icon. |
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*/ |
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$image = apply_filters( |
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'jetpack_rss_widget_icon', |
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plugins_url( $image_path, dirname( __DIR__ ) ) |
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); |
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|
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return sprintf( |
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'<img src="%1$s" alt="%2$s" />', |
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esc_url( $image ), |
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esc_attr__( 'RSS feed', 'jetpack' ) |
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); |
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} |
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} // Class Jetpack_RSS_Links_Widget |
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|
