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<?php
/**
* Module Name: RSS Links Widget
* Module Description: Easily add RSS links to your theme's sidebar.
* Sort Order: 20
* First Introduced: 1.2
*/
class Jetpack_RSS_Links_Widget extends WP_Widget {
function __construct() {
$widget_ops = array(
'classname' => 'widget_rss_links',
'description' => __( "Links to your blog's RSS feeds", 'jetpack' )
);
parent::__construct(
'rss_links',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', __( 'RSS Links', 'jetpack' ) ),
$widget_ops
);
}
function widget( $args, $instance ) {
$instance = wp_parse_args( (array) $instance, $this->defaults() );
extract( $args );
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$title = apply_filters( 'widget_title', $instance['title'] );
echo $before_widget;
if ( $title )
echo $before_title . stripslashes( $title ) . $after_title;
if ( 'text' == $instance['format'] ) echo '<ul>';
if ( 'posts' == $instance['display'] ) {
$this->_rss_link( 'posts', $instance);
} elseif ( 'comments' == $instance['display'] ) {
$this->_rss_link( 'comments', $instance);
} elseif ( 'posts-comments' == $instance['display'] ) {
$this->_rss_link( 'posts', $instance );
$this->_rss_link( 'comments', $instance );
}
if ( 'text' == $instance['format'] ) echo '</ul>';
echo "\n" . $after_widget;
}
/**
* Return an associative array of default values
* These values are used in new widgets as well as when sanitizing input.
*
* @return array Array of default values for the Widget's options
*/
function defaults() {
return array(
'title' => '',
'display' => 'posts-comments',
'format' => 'text'
);
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = wp_filter_nohtml_kses( $new_instance['title'] );
$instance['display'] = $new_instance['display'];
$instance['format'] = $new_instance['format'];
$instance['imagesize'] = $new_instance['imagesize'];
$instance['imagecolor'] = $new_instance['imagecolor'];
return $instance;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, $this->defaults() );
$title = stripslashes( $instance['title'] );
$display = $instance['display'];
$format = $instance['format'];
$image_size = isset( $instance['imagesize'] ) ? $instance['imagesize'] : 0 ;
$image_color = isset( $instance['imagecolor'] ) ? $instance['imagecolor'] : 'red';
echo '<p><label for="' . $this->get_field_id( 'title' ) . '">' . esc_html__( 'Title:', 'jetpack' ) . '
<input class="widefat" id="' . $this->get_field_id( 'title' ) . '" name="' . $this->get_field_name( 'title' ) . '" type="text" value="' . esc_attr( $title ) . '" />
</label></p>';
$displays = array(
'posts' => __( 'Posts', 'jetpack' ),
'comments' => __( 'Comments', 'jetpack' ),
'posts-comments' => __( 'Posts & Comments', 'jetpack' )
);
echo '<p><label for="' . $this->get_field_id( 'display' ) . '">' . esc_html__( 'Feed(s) to Display:', 'jetpack' ) . '
<select class="widefat" id="' . $this->get_field_id( 'display' ) . '" name="' . $this->get_field_name( 'display' ) . '">';
foreach ( $displays as $display_option => $label ) {
echo '<option value="' . esc_attr( $display_option ) . '"';
if ( $display_option == $display ) echo ' selected="selected"';
echo '>' . esc_html( $label ) . '</option>' . "\n";
}
echo '</select></label></p>';
$formats = array(
'text' => __( 'Text Link', 'jetpack' ),
'image' => __( 'Image Link', 'jetpack' ),
'text-image' => __( 'Text & Image Links', 'jetpack' )
);
echo '<p><label for="' . $this->get_field_id( 'format' ) . '">' . __( 'Format:', 'jetpack' ) . '
<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();">';
foreach ( $formats as $format_option => $label ) {
echo '<option value="' . esc_attr( $format_option ) . '"';
if ( $format_option == $format ) echo ' selected="selected"';
echo '>' . esc_html( $label ) . '</option>' . "\n";
}
echo '</select></label></p>';
echo '<div id="' . $this->get_field_id( 'image-settings' ) . '"';
if ( 'text' == $format ) echo ' style="display: none;"';
echo '><h3>' . esc_html__( 'Image Settings:', 'jetpack' ) . '</h3>';
$sizes = array(
'small' => __( 'Small', 'jetpack' ),
'medium' => __( 'Medium', 'jetpack' ),
'large' => __( 'Large', 'jetpack' )
);
echo '<p><label for="' . $this->get_field_id( 'imagesize' ) . '">' . esc_html__( 'Image Size:', 'jetpack' ) . '
<select class="widefat" id="' . $this->get_field_id( 'imagesize' ) . '" name="' . $this->get_field_name( 'imagesize' ) . '">';
foreach ( $sizes as $size => $label ) {
echo '<option value="' . esc_attr( $size) . '"';
if ( $size == $image_size ) echo ' selected="selected"';
echo '>' . esc_html( $label ) . '</option>' . "\n";
}
echo '</select></label></p>';
$colors = array(
'red' => __( 'Red', 'jetpack' ),
'orange' => __( 'Orange', 'jetpack' ),
'green' => __( 'Green', 'jetpack' ),
'blue' => __( 'Blue', 'jetpack' ),
'purple' => __( 'Purple', 'jetpack' ),
'pink' => __( 'Pink', 'jetpack' ),
'silver' => __( 'Silver', 'jetpack' ),
);
echo '<p><label for="' . $this->get_field_id( 'imagecolor' ) . '">' . esc_html__( 'Image Color:', 'jetpack' ) . '
<select class="widefat" id="' . $this->get_field_id( 'imagecolor' ) . '" name="' . $this->get_field_name( 'imagecolor' ) . '">';
foreach ( $colors as $color => $label ) {
echo '<option value="' . esc_attr( $color) . '"';
if ( $color == $image_color ) echo ' selected="selected"';
echo '>' . esc_html( $label ) . '</option>' . "\n";
}
echo '</select></label></p></div>';
}
function _rss_link( $type = 'posts', $args ) {
if ( 'posts' == $type ) {
$type_text = __( 'Posts', 'jetpack' );
$rss_type = 'rss2_url';
} elseif ( 'comments' == $type ) {
$type_text = __( 'Comments', 'jetpack' );
$rss_type = 'comments_rss2_url';
}
$subscribe_to = sprintf( __( 'Subscribe to %s', 'jetpack' ), $type_text );
$link_item = '';
$format = $args['format'];
/**
* Filters the target link attribute for the RSS link in the RSS widget.
*
* @module widgets
*
* @since 3.4.0
*
* @param bool false Control whether the link should open in a new tab. Default to false.
*/
if ( apply_filters( 'jetpack_rsslinks_widget_target_blank', false ) ) {
$link_target = '_blank';
} else {
$link_target = '_self';
}
if ( 'image' == $format || 'text-image' == $format ) {
/**
* Filters the image used as RSS icon in the RSS widget.
*
* @module widgets
*
* @since 3.6.0
*
* @param string $var URL of RSS Widget icon.
*/
$link_image = apply_filters( 'jetpack_rss_widget_icon', plugins_url( 'images/rss/' . $args['imagecolor'] . '-' . $args['imagesize'] . '.png', dirname( dirname( __FILE__ ) ) ) );
$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>';
}
if ( 'text-image' == $format ) {
$link_item .= ' <a target="' . $link_target . '" href="' . get_bloginfo( $rss_type ) . '" title="' . esc_attr( $subscribe_to ) . '">' . esc_html__( 'RSS - ' . $type_text, 'jetpack' ). '</a>';
}
if ( 'text' == $format ) {
$link_item = '<a target="' . $link_target . '" href="' . get_bloginfo( $rss_type ) . '" title="' . esc_attr( $subscribe_to ) . '">' . esc_html__( 'RSS - ' . $type_text, 'jetpack' ). '</a>';
}
if ( 'text' == $format )
echo '<li>';
else
echo '<p>';
echo $link_item;
if ( 'text' == $format )
echo '</li>';
else
echo '</p>';
}
} // Class Jetpack_RSS_Links_Widget
function jetpack_rss_links_widget_init() {
register_widget( 'Jetpack_RSS_Links_Widget' );
}
add_action( 'widgets_init', 'jetpack_rss_links_widget_init' );
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