223 lines
8.1 KiB
PHP
223 lines
8.1 KiB
PHP
<?php
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/**
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* Module Name: RSS Links Widget
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* Module Description: Easily add RSS links to your theme's sidebar.
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* Sort Order: 20
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* First Introduced: 1.2
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*/
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class Jetpack_RSS_Links_Widget extends WP_Widget {
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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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function widget( $args, $instance ) {
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$instance = wp_parse_args( (array) $instance, $this->defaults() );
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extract( $args );
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/** This filter is documented in core/src/wp-includes/default-widgets.php */
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$title = apply_filters( 'widget_title', $instance['title'] );
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echo $before_widget;
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if ( $title )
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echo $before_title . stripslashes( $title ) . $after_title;
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if ( 'text' == $instance['format'] ) echo '<ul>';
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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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if ( 'text' == $instance['format'] ) echo '</ul>';
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echo "\n" . $after_widget;
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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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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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function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$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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return $instance;
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}
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function form( $instance ) {
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$instance = wp_parse_args( (array) $instance, $this->defaults() );
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$title = stripslashes( $instance['title'] );
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$display = $instance['display'];
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$format = $instance['format'];
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$image_size = isset( $instance['imagesize'] ) ? $instance['imagesize'] : 0 ;
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$image_color = isset( $instance['imagecolor'] ) ? $instance['imagecolor'] : 'red';
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echo '<p><label for="' . $this->get_field_id( 'title' ) . '">' . esc_html__( 'Title:', 'jetpack' ) . '
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<input class="widefat" id="' . $this->get_field_id( 'title' ) . '" name="' . $this->get_field_name( 'title' ) . '" type="text" value="' . esc_attr( $title ) . '" />
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</label></p>';
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$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="' . $this->get_field_id( 'display' ) . '">' . esc_html__( 'Feed(s) to Display:', 'jetpack' ) . '
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<select class="widefat" id="' . $this->get_field_id( 'display' ) . '" name="' . $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 ) echo ' selected="selected"';
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echo '>' . esc_html( $label ) . '</option>' . "\n";
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}
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echo '</select></label></p>';
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$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="' . $this->get_field_id( 'format' ) . '">' . __( 'Format:', 'jetpack' ) . '
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<select class="widefat" id="' . $this->get_field_id( 'format' ) . '" name="' . $this->get_field_name( 'format' ) . '" onchange="if ( this.value == \'text\' ) jQuery( \'#' . $this->get_field_id( 'image-settings' ) . '\' ).fadeOut(); else jQuery( \'#' . $this->get_field_id( 'image-settings' ) . '\' ).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 ) echo ' selected="selected"';
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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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echo '<div id="' . $this->get_field_id( 'image-settings' ) . '"';
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if ( 'text' == $format ) echo ' style="display: none;"';
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echo '><h3>' . esc_html__( 'Image Settings:', 'jetpack' ) . '</h3>';
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$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="' . $this->get_field_id( 'imagesize' ) . '">' . esc_html__( 'Image Size:', 'jetpack' ) . '
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<select class="widefat" id="' . $this->get_field_id( 'imagesize' ) . '" name="' . $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 ) echo ' selected="selected"';
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echo '>' . esc_html( $label ) . '</option>' . "\n";
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}
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echo '</select></label></p>';
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$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="' . $this->get_field_id( 'imagecolor' ) . '">' . esc_html__( 'Image Color:', 'jetpack' ) . '
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<select class="widefat" id="' . $this->get_field_id( 'imagecolor' ) . '" name="' . $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 ) echo ' selected="selected"';
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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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function _rss_link( $type = 'posts', $args ) {
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if ( 'posts' == $type ) {
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$type_text = __( 'Posts', 'jetpack' );
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$rss_type = 'rss2_url';
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} elseif ( 'comments' == $type ) {
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$type_text = __( 'Comments', 'jetpack' );
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$rss_type = 'comments_rss2_url';
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}
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$subscribe_to = sprintf( __( 'Subscribe to %s', 'jetpack' ), $type_text );
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$link_item = '';
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$format = $args['format'];
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/**
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* Filters the target link attribute for the RSS link in the RSS widget.
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*
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* @module widgets
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*
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* @since 3.4.0
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*
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* @param bool false Control whether the link should open in a new tab. Default to false.
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*/
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if ( apply_filters( 'jetpack_rsslinks_widget_target_blank', false ) ) {
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$link_target = '_blank';
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} else {
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$link_target = '_self';
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}
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if ( 'image' == $format || 'text-image' == $format ) {
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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 $var URL of RSS Widget icon.
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*/
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$link_image = apply_filters( 'jetpack_rss_widget_icon', plugins_url( 'images/rss/' . $args['imagecolor'] . '-' . $args['imagesize'] . '.png', dirname( dirname( __FILE__ ) ) ) );
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$link_item = '<a target="' . $link_target . '" href="' . get_bloginfo( $rss_type ) . '" title="' . esc_attr( $subscribe_to ) . '"><img src="' . esc_url( $link_image ) . '" alt="RSS Feed" /></a>';
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}
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if ( 'text-image' == $format ) {
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$link_item .= ' <a target="' . $link_target . '" href="' . get_bloginfo( $rss_type ) . '" title="' . esc_attr( $subscribe_to ) . '">' . esc_html__( 'RSS - ' . $type_text, 'jetpack' ). '</a>';
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}
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if ( 'text' == $format ) {
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$link_item = '<a target="' . $link_target . '" href="' . get_bloginfo( $rss_type ) . '" title="' . esc_attr( $subscribe_to ) . '">' . esc_html__( 'RSS - ' . $type_text, 'jetpack' ). '</a>';
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}
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if ( 'text' == $format )
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echo '<li>';
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else
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echo '<p>';
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echo $link_item;
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if ( 'text' == $format )
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echo '</li>';
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else
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echo '</p>';
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}
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} // Class Jetpack_RSS_Links_Widget
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function jetpack_rss_links_widget_init() {
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register_widget( 'Jetpack_RSS_Links_Widget' );
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}
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add_action( 'widgets_init', 'jetpack_rss_links_widget_init' );
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