widget-for-co-authors/widget-for-co-authors.php

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<?php
/*
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Plugin Name: Co-Authors Widget (develop)
Description: The plugin add a widget and a shortcode in order to show authors of an article. It is compatible with Co-Authors Plus. (developing version)
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Version: 0.5.2
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Author: Gianluigi Filippelli
Author URI: http://dropseaofulaula.blogspot.it/
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Plugin URI: https://github.com/ulaulaman/widget-for-co-authors
License: GPLv2 or later
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*/
/* ------------------------------------------------------ */
# ---------------------------------------------------------
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// Load translations
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add_action('plugins_loaded', 'caw_load_translations');
function caw_load_translations() {
load_plugin_textdomain( 'co-authors-widget', false, dirname( plugin_basename(__FILE__) ) . '/lang/' );
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}
# Shortcode to show authors
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add_shortcode('blog-post-coauthors', 'blog_post_coauthors');
function blog_post_coauthors() {
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return coauthors_posts_links(", ", " & ", null, null, false);
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}
# Widget to show authors' avatars
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function blog_avatars() {
if ( function_exists( 'get_coauthors' ) ) {
$coauthors = get_coauthors();
$user_posts = get_author_posts_url( $coauthor->ID, $coauthor->user_nicename );
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$show_profile = __( 'Show profile', 'co-authors-widget' );
$hide_profile = __( 'Hide profile', 'co-authors-widget' );
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$i = 0;
foreach ( $coauthors as $coauthor ) {
$i++;
?>
<div class="block-item-text">
<input type="checkbox" hidden class="read-more-state" id="<?php echo $i; ?>">
<div class="read-more-wrap">
<p><?php echo coauthors_get_avatar( $coauthor, 65 ); ?>
<a href=<?php echo get_author_posts_url( $coauthor->ID, $coauthor->user_nicename ); ?>><?php echo $coauthor->display_name; ?></a></p>
<p class="read-more-target">
<?php echo $coauthor->description; ?>
</p>
</div>
<label for="<?php echo $i; ?>" class="read-more-trigger_closed">
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<strong>+ <?php printf( $show_profile ); ?></strong>
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</label>
<label for="<?php echo $i; ?>" class="read-more-trigger_opened">
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<strong>- <?php printf( $hide_profile ); ?></strong>
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</label>
</div>
<?php
}
//
} else {
?>
<p><?php echo get_avatar( get_the_author_meta( 'user_email' ), 65 ); ?>
<a href=<?php echo get_author_posts_url( $coauthor->ID, $coauthor->user_nicename ); ?>><?php echo $coauthor->display_name; ?></a></p>
<?php
}
}
function blog_enqueue() {
wp_register_style( 'blog-spoiler-style', plugins_url('/blog-spoiler.css', __FILE__) );
wp_enqueue_style( 'blog-spoiler-style' );
}
add_action( 'wp_enqueue_scripts', 'blog_enqueue' );
# Shortcode authors' avatars
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add_shortcode('blog-coauthors-avatars', 'blog_coauthors_avatars');
function blog_coauthors_avatars() {
return blog_avatars();
}
// Widget register
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function blog_load_widget() {
register_widget( 'blog_widget' );
}
add_action( 'widgets_init', 'blog_load_widget' );
// Widget load
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class blog_widget extends WP_Widget {
function __construct() {
parent::__construct(
// Widget ID
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'blog_widget',
// Widget name in UI
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__('Authors', 'co-authors-widget'),
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// Widget description
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array( 'description' => __( 'Show avatars and names of the authors', 'co-authors-widget' ), )
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);
}
// Widget front-end
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public function widget( $args, $instance ) {
$title = apply_filters( 'widget_title', $instance['title'] );
// before and after
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echo $args['before_widget'];
if ( ! empty( $title ) )
echo $args['before_title'] . $title . $args['after_title'];
// output
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blog_avatars();
echo $args['after_widget'];
}
// Widget backend
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public function form( $instance ) {
if ( isset( $instance[ 'title' ] ) ) {
$title = $instance[ 'title' ];
}
else {
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$title = __( 'Written by', 'co-authors-widget' );
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}
// Widget form
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?>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
</p>
<?php
}
// Widget update
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public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
return $instance;
}
}
/* ------------------------------------------------------ */
?>