67 lines
2.3 KiB
PHP
67 lines
2.3 KiB
PHP
<?php
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/*
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Widget Name: Random Post
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Widget URI: http://comicpress.org/
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Description: Display a link to click on to go to a random blog post (not comic).
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Author: Philip M. Hofer (Frumph)
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Version: 1.01
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Author URI: http://frumph.net/
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*/
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//Generate a random post page - to use simply create a URL link to "/?randompost"
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function random_post() {
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$randomComicQuery = new WP_Query(); $randomComicQuery->query('showposts=1&orderby=rand&cat=-'.exclude_comic_categories());
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while ($randomComicQuery->have_posts()) : $randomComicQuery->the_post();
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$random_comic_id = get_the_ID();
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endwhile;
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wp_redirect( get_permalink( $random_comic_id ) );
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exit;
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}
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if ( isset( $_GET['randompost'] ) )
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add_action( 'template_redirect', 'random_post' );
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class widget_comicpress_random_post extends WP_Widget {
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function widget_comicpress_random_post() {
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$widget_ops = array('classname' => 'widget_comicpress_random_post', 'description' => __('Displays a link to click to trigger a random blog post.','comicpress') );
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$this->WP_Widget('random_post', __('Random Post','comicpress'), $widget_ops);
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}
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function widget($args, $instance) {
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global $post;
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extract($args, EXTR_SKIP);
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echo $before_widget;
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$title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
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if ( !empty( $title ) ) { echo $before_title . $title . $after_title; }; ?>
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<h2><a href="?randompost"><span class="random-post-icon">?</span> <?php _e('Random Post','comicpress'); ?></a></h2>
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<?php
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echo $after_widget;
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}
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function update($new_instance, $old_instance) {
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$instance = $old_instance;
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$instance['title'] = strip_tags($new_instance['title']);
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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) $instance, array( 'title' => '' ) );
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$title = strip_tags($instance['title']);
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?>
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<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:','comicpress'); ?> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo attribute_escape($title); ?>" /></label></p>
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<?php
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}
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}
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register_widget('widget_comicpress_random_post');
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function widget_comicpress_random_post_init() {
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new widget_comicpress_random_post();
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}
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add_action('widgets_init', 'widget_comicpress_random_post_init');
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?>
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