WordPress/wp-includes/default-widgets.php
2010-01-21 21:37:43 +00:00

1043 lines
37 KiB
PHP

<?php
/**
* Default Widgets
*
* @package WordPress
* @subpackage Widgets
*/
/**
* Pages widget class
*
* @since 2.8.0
*/
class WP_Widget_Pages extends WP_Widget {
function WP_Widget_Pages() {
$widget_ops = array('classname' => 'widget_pages', 'description' => __( 'Your blog&#8217;s WordPress Pages') );
$this->WP_Widget('pages', __('Pages'), $widget_ops);
}
function widget( $args, $instance ) {
extract( $args );
$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Pages' ) : $instance['title']);
$sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
if ( $sortby == 'menu_order' )
$sortby = 'menu_order, post_title';
$out = wp_list_pages( apply_filters('widget_pages_args', array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) ) );
if ( !empty( $out ) ) {
echo $before_widget;
if ( $title)
echo $before_title . $title . $after_title;
?>
<ul>
<?php echo $out; ?>
</ul>
<?php
echo $after_widget;
}
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) {
$instance['sortby'] = $new_instance['sortby'];
} else {
$instance['sortby'] = 'menu_order';
}
$instance['exclude'] = strip_tags( $new_instance['exclude'] );
return $instance;
}
function form( $instance ) {
//Defaults
$instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '') );
$title = esc_attr( $instance['title'] );
$exclude = esc_attr( $instance['exclude'] );
?>
<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 $title; ?>" /></p>
<p>
<label for="<?php echo $this->get_field_id('sortby'); ?>"><?php _e( 'Sort by:' ); ?></label>
<select name="<?php echo $this->get_field_name('sortby'); ?>" id="<?php echo $this->get_field_id('sortby'); ?>" class="widefat">
<option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option>
<option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option>
<option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id('exclude'); ?>"><?php _e( 'Exclude:' ); ?></label> <input type="text" value="<?php echo $exclude; ?>" name="<?php echo $this->get_field_name('exclude'); ?>" id="<?php echo $this->get_field_id('exclude'); ?>" class="widefat" />
<br />
<small><?php _e( 'Page IDs, separated by commas.' ); ?></small>
</p>
<?php
}
}
/**
* Links widget class
*
* @since 2.8.0
*/
class WP_Widget_Links extends WP_Widget {
function WP_Widget_Links() {
$widget_ops = array('description' => __( "Your blogroll" ) );
$this->WP_Widget('links', __('Links'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args, EXTR_SKIP);
$show_description = isset($instance['description']) ? $instance['description'] : false;
$show_name = isset($instance['name']) ? $instance['name'] : false;
$show_rating = isset($instance['rating']) ? $instance['rating'] : false;
$show_images = isset($instance['images']) ? $instance['images'] : true;
$category = isset($instance['category']) ? $instance['category'] : false;
if ( is_admin() && !$category ) {
// Display All Links widget as such in the widgets screen
echo $before_widget . $before_title. __('All Links') . $after_title . $after_widget;
return;
}
$before_widget = preg_replace('/id="[^"]*"/','id="%id"', $before_widget);
wp_list_bookmarks(apply_filters('widget_links_args', array(
'title_before' => $before_title, 'title_after' => $after_title,
'category_before' => $before_widget, 'category_after' => $after_widget,
'show_images' => $show_images, 'show_description' => $show_description,
'show_name' => $show_name, 'show_rating' => $show_rating,
'category' => $category, 'class' => 'linkcat widget'
)));
}
function update( $new_instance, $old_instance ) {
$new_instance = (array) $new_instance;
$instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0);
foreach ( $instance as $field => $val ) {
if ( isset($new_instance[$field]) )
$instance[$field] = 1;
}
$instance['category'] = intval($new_instance['category']);
return $instance;
}
function form( $instance ) {
//Defaults
$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false ) );
$link_cats = get_terms( 'link_category');
?>
<p>
<label for="<?php echo $this->get_field_id('category'); ?>" class="screen-reader-text"><?php _e('Select Link Category'); ?></label>
<select class="widefat" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>">
<option value=""><?php _e('All Links'); ?></option>
<?php
foreach ( $link_cats as $link_cat ) {
echo '<option value="' . intval($link_cat->term_id) . '"'
. ( $link_cat->term_id == $instance['category'] ? ' selected="selected"' : '' )
. '>' . $link_cat->name . "</option>\n";
}
?>
</select></p>
<p>
<input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" />
<label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br />
<input class="checkbox" type="checkbox" <?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" />
<label for="<?php echo $this->get_field_id('name'); ?>"><?php _e('Show Link Name'); ?></label><br />
<input class="checkbox" type="checkbox" <?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" />
<label for="<?php echo $this->get_field_id('description'); ?>"><?php _e('Show Link Description'); ?></label><br />
<input class="checkbox" type="checkbox" <?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" />
<label for="<?php echo $this->get_field_id('rating'); ?>"><?php _e('Show Link Rating'); ?></label>
</p>
<?php
}
}
/**
* Search widget class
*
* @since 2.8.0
*/
class WP_Widget_Search extends WP_Widget {
function WP_Widget_Search() {
$widget_ops = array('classname' => 'widget_search', 'description' => __( "A search form for your blog") );
$this->WP_Widget('search', __('Search'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters('widget_title', $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
// Use current theme search form if it exists
get_search_form();
echo $after_widget;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
$title = $instance['title'];
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> <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); ?>" /></label></p>
<?php
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$new_instance = wp_parse_args((array) $new_instance, array( 'title' => ''));
$instance['title'] = strip_tags($new_instance['title']);
return $instance;
}
}
/**
* Archives widget class
*
* @since 2.8.0
*/
class WP_Widget_Archives extends WP_Widget {
function WP_Widget_Archives() {
$widget_ops = array('classname' => 'widget_archive', 'description' => __( 'A monthly archive of your blog&#8217;s posts') );
$this->WP_Widget('archives', __('Archives'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$c = $instance['count'] ? '1' : '0';
$d = $instance['dropdown'] ? '1' : '0';
$title = apply_filters('widget_title', empty($instance['title']) ? __('Archives') : $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
if ( $d ) {
?>
<select name="archive-dropdown" onchange='document.location.href=this.options[this.selectedIndex].value;'> <option value=""><?php echo esc_attr(__('Select Month')); ?></option> <?php wp_get_archives(apply_filters('widget_archives_dropdown_args', array('type' => 'monthly', 'format' => 'option', 'show_post_count' => $c))); ?> </select>
<?php
} else {
?>
<ul>
<?php wp_get_archives(apply_filters('widget_archives_args', array('type' => 'monthly', 'show_post_count' => $c))); ?>
</ul>
<?php
}
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
$instance['title'] = strip_tags($new_instance['title']);
$instance['count'] = $new_instance['count'] ? 1 : 0;
$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
return $instance;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
$title = strip_tags($instance['title']);
$count = $instance['count'] ? 'checked="checked"' : '';
$dropdown = $instance['dropdown'] ? 'checked="checked"' : '';
?>
<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>
<p>
<input class="checkbox" type="checkbox" <?php echo $count; ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Show post counts'); ?></label>
<br />
<input class="checkbox" type="checkbox" <?php echo $dropdown; ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>" /> <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e('Display as a drop down'); ?></label>
</p>
<?php
}
}
/**
* Meta widget class
*
* Displays log in/out, RSS feed links, etc.
*
* @since 2.8.0
*/
class WP_Widget_Meta extends WP_Widget {
function WP_Widget_Meta() {
$widget_ops = array('classname' => 'widget_meta', 'description' => __( "Log in/out, admin, feed and WordPress links") );
$this->WP_Widget('meta', __('Meta'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters('widget_title', empty($instance['title']) ? __('Meta') : $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
?>
<ul>
<?php wp_register(); ?>
<li><?php wp_loginout(); ?></li>
<li><a href="<?php bloginfo('rss2_url'); ?>" title="<?php echo esc_attr(__('Syndicate this site using RSS 2.0')); ?>"><?php _e('Entries <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
<li><a href="<?php bloginfo('comments_rss2_url'); ?>" title="<?php echo esc_attr(__('The latest comments to all posts in RSS')); ?>"><?php _e('Comments <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
<li><a href="http://wordpress.org/" title="<?php echo esc_attr(__('Powered by WordPress, state-of-the-art semantic personal publishing platform.')); ?>">WordPress.org</a></li>
<?php wp_meta(); ?>
</ul>
<?php
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
return $instance;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
$title = strip_tags($instance['title']);
?>
<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
}
}
/**
* Calendar widget class
*
* @since 2.8.0
*/
class WP_Widget_Calendar extends WP_Widget {
function WP_Widget_Calendar() {
$widget_ops = array('classname' => 'widget_calendar', 'description' => __( 'A calendar of your blog&#8217;s posts') );
$this->WP_Widget('calendar', __('Calendar'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters('widget_title', empty($instance['title']) ? '&nbsp;' : $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
echo '<div id="calendar_wrap">';
get_calendar();
echo '</div>';
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
return $instance;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
$title = strip_tags($instance['title']);
?>
<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
}
}
/**
* Text widget class
*
* @since 2.8.0
*/
class WP_Widget_Text extends WP_Widget {
function WP_Widget_Text() {
$widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML'));
$control_ops = array('width' => 400, 'height' => 350);
$this->WP_Widget('text', __('Text'), $widget_ops, $control_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters( 'widget_title', empty($instance['title']) ? '' : $instance['title'], $instance );
$text = apply_filters( 'widget_text', $instance['text'], $instance );
echo $before_widget;
if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?>
<div class="textwidget"><?php echo $instance['filter'] ? wpautop($text) : $text; ?></div>
<?php
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
if ( current_user_can('unfiltered_html') )
$instance['text'] = $new_instance['text'];
else
$instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed
$instance['filter'] = isset($new_instance['filter']);
return $instance;
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );
$title = strip_tags($instance['title']);
$text = format_to_edit($instance['text']);
?>
<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>
<textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea>
<p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
<?php
}
}
/**
* Categories widget class
*
* @since 2.8.0
*/
class WP_Widget_Categories extends WP_Widget {
function WP_Widget_Categories() {
$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories" ) );
$this->WP_Widget('categories', __('Categories'), $widget_ops);
}
function widget( $args, $instance ) {
extract( $args );
$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title']);
$c = $instance['count'] ? '1' : '0';
$h = $instance['hierarchical'] ? '1' : '0';
$d = $instance['dropdown'] ? '1' : '0';
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);
if ( $d ) {
$cat_args['show_option_none'] = __('Select Category');
wp_dropdown_categories(apply_filters('widget_categories_dropdown_args', $cat_args));
?>
<script type='text/javascript'>
/* <![CDATA[ */
var dropdown = document.getElementById("cat");
function onCatChange() {
if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {
location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
}
}
dropdown.onchange = onCatChange;
/* ]]> */
</script>
<?php
} else {
?>
<ul>
<?php
$cat_args['title_li'] = '';
wp_list_categories(apply_filters('widget_categories_args', $cat_args));
?>
</ul>
<?php
}
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['count'] = $new_instance['count'] ? 1 : 0;
$instance['hierarchical'] = $new_instance['hierarchical'] ? 1 : 0;
$instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
return $instance;
}
function form( $instance ) {
//Defaults
$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
$title = esc_attr( $instance['title'] );
$count = isset($instance['count']) ? (bool) $instance['count'] :false;
$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
?>
<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 $title; ?>" /></p>
<p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />
<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Show as dropdown' ); ?></label><br />
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />
<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />
<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />
<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>
<?php
}
}
/**
* Recent_Posts widget class
*
* @since 2.8.0
*/
class WP_Widget_Recent_Posts extends WP_Widget {
function WP_Widget_Recent_Posts() {
$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your blog") );
$this->WP_Widget('recent-posts', __('Recent Posts'), $widget_ops);
$this->alt_option_name = 'widget_recent_entries';
add_action( 'save_post', array(&$this, 'flush_widget_cache') );
add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
}
function widget($args, $instance) {
$cache = wp_cache_get('widget_recent_posts', 'widget');
if ( !is_array($cache) )
$cache = array();
if ( isset($cache[$args['widget_id']]) ) {
echo $cache[$args['widget_id']];
return;
}
ob_start();
extract($args);
$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title']);
if ( !$number = (int) $instance['number'] )
$number = 10;
else if ( $number < 1 )
$number = 1;
else if ( $number > 15 )
$number = 15;
$r = new WP_Query(array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1));
if ($r->have_posts()) :
?>
<?php echo $before_widget; ?>
<?php if ( $title ) echo $before_title . $title . $after_title; ?>
<ul>
<?php while ($r->have_posts()) : $r->the_post(); ?>
<li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?> </a></li>
<?php endwhile; ?>
</ul>
<?php echo $after_widget; ?>
<?php
wp_reset_query(); // Restore global post data stomped by the_post().
endif;
$cache[$args['widget_id']] = ob_get_flush();
wp_cache_add('widget_recent_posts', $cache, 'widget');
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['number'] = (int) $new_instance['number'];
$this->flush_widget_cache();
$alloptions = wp_cache_get( 'alloptions', 'options' );
if ( isset($alloptions['widget_recent_entries']) )
delete_option('widget_recent_entries');
return $instance;
}
function flush_widget_cache() {
wp_cache_delete('widget_recent_posts', 'widget');
}
function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
if ( !isset($instance['number']) || !$number = (int) $instance['number'] )
$number = 5;
?>
<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 $title; ?>" /></p>
<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label>
<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /><br />
<small><?php _e('(at most 15)'); ?></small></p>
<?php
}
}
/**
* Recent_Comments widget class
*
* @since 2.8.0
*/
class WP_Widget_Recent_Comments extends WP_Widget {
function WP_Widget_Recent_Comments() {
$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'The most recent comments' ) );
$this->WP_Widget('recent-comments', __('Recent Comments'), $widget_ops);
$this->alt_option_name = 'widget_recent_comments';
if ( is_active_widget(false, false, $this->id_base) )
add_action( 'wp_head', array(&$this, 'recent_comments_style') );
add_action( 'comment_post', array(&$this, 'flush_widget_cache') );
add_action( 'transition_comment_status', array(&$this, 'flush_widget_cache') );
}
function recent_comments_style() { ?>
<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
<?php
}
function flush_widget_cache() {
wp_cache_delete('recent_comments', 'widget');
}
function widget( $args, $instance ) {
global $wpdb, $comments, $comment;
extract($args, EXTR_SKIP);
$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Comments') : $instance['title']);
if ( !$number = (int) $instance['number'] )
$number = 5;
else if ( $number < 1 )
$number = 1;
else if ( $number > 15 )
$number = 15;
if ( !$comments = wp_cache_get( 'recent_comments', 'widget' ) ) {
$comments = $wpdb->get_results("SELECT $wpdb->comments.* FROM $wpdb->comments JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID WHERE comment_approved = '1' AND post_status = 'publish' ORDER BY comment_date_gmt DESC LIMIT 15");
wp_cache_add( 'recent_comments', $comments, 'widget' );
}
$comments = array_slice( (array) $comments, 0, $number );
?>
<?php echo $before_widget; ?>
<?php if ( $title ) echo $before_title . $title . $after_title; ?>
<ul id="recentcomments"><?php
if ( $comments ) : foreach ( (array) $comments as $comment) :
echo '<li class="recentcomments">' . /* translators: comments widget: 1: comment author, 2: post link */ sprintf(_x('%1$s on %2$s', 'widgets'), get_comment_author_link(), '<a href="' . esc_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>';
endforeach; endif;?></ul>
<?php echo $after_widget; ?>
<?php
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['number'] = (int) $new_instance['number'];
$this->flush_widget_cache();
$alloptions = wp_cache_get( 'alloptions', 'options' );
if ( isset($alloptions['widget_recent_comments']) )
delete_option('widget_recent_comments');
return $instance;
}
function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
$number = isset($instance['number']) ? absint($instance['number']) : 5;
?>
<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 $title; ?>" /></p>
<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of comments to show:'); ?></label>
<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /><br />
<small><?php _e('(at most 15)'); ?></small></p>
<?php
}
}
/**
* RSS widget class
*
* @since 2.8.0
*/
class WP_Widget_RSS extends WP_Widget {
function WP_Widget_RSS() {
$widget_ops = array( 'description' => __('Entries from any RSS or Atom feed') );
$control_ops = array( 'width' => 400, 'height' => 200 );
$this->WP_Widget( 'rss', __('RSS'), $widget_ops, $control_ops );
}
function widget($args, $instance) {
if ( isset($instance['error']) && $instance['error'] )
return;
extract($args, EXTR_SKIP);
$url = $instance['url'];
while ( stristr($url, 'http') != $url )
$url = substr($url, 1);
if ( empty($url) )
return;
$rss = fetch_feed($url);
$title = $instance['title'];
$desc = '';
$link = '';
if ( ! is_wp_error($rss) ) {
$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
if ( empty($title) )
$title = esc_html(strip_tags($rss->get_title()));
$link = esc_url(strip_tags($rss->get_permalink()));
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
}
if ( empty($title) )
$title = empty($desc) ? __('Unknown Feed') : $desc;
$title = apply_filters('widget_title', $title );
$url = esc_url(strip_tags($url));
$icon = includes_url('images/rss.png');
if ( $title )
$title = "<a class='rsswidget' href='$url' title='" . esc_attr(__('Syndicate this content')) ."'><img style='background:orange;color:white;border:none;' width='14' height='14' src='$icon' alt='RSS' /></a> <a class='rsswidget' href='$link' title='$desc'>$title</a>";
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
wp_widget_rss_output( $rss, $instance );
echo $after_widget;
if ( ! is_wp_error($rss) )
$rss->__destruct();
unset($rss);
}
function update($new_instance, $old_instance) {
$testurl = $new_instance['url'] != $old_instance['url'];
return wp_widget_rss_process( $new_instance, $testurl );
}
function form($instance) {
if ( empty($instance) )
$instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 );
$instance['number'] = $this->number;
wp_widget_rss_form( $instance );
}
}
/**
* Display the RSS entries in a list.
*
* @since 2.5.0
*
* @param string|array|object $rss RSS url.
* @param array $args Widget arguments.
*/
function wp_widget_rss_output( $rss, $args = array() ) {
if ( is_string( $rss ) ) {
$rss = fetch_feed($rss);
} elseif ( is_array($rss) && isset($rss['url']) ) {
$args = $rss;
$rss = fetch_feed($rss['url']);
} elseif ( !is_object($rss) ) {
return;
}
if ( is_wp_error($rss) ) {
if ( is_admin() || current_user_can('manage_options') )
echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>';
return;
}
$default_args = array( 'show_author' => 0, 'show_date' => 0, 'show_summary' => 0 );
$args = wp_parse_args( $args, $default_args );
extract( $args, EXTR_SKIP );
$items = (int) $items;
if ( $items < 1 || 20 < $items )
$items = 10;
$show_summary = (int) $show_summary;
$show_author = (int) $show_author;
$show_date = (int) $show_date;
if ( !$rss->get_item_quantity() ) {
echo '<ul><li>' . __( 'An error has occurred; the feed is probably down. Try again later.' ) . '</li></ul>';
$rss->__destruct();
unset($rss);
return;
}
echo '<ul>';
foreach ( $rss->get_items(0, $items) as $item ) {
$link = $item->get_link();
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
$link = esc_url(strip_tags($link));
$title = esc_attr(strip_tags($item->get_title()));
if ( empty($title) )
$title = __('Untitled');
$desc = str_replace(array("\n", "\r"), ' ', esc_attr(strip_tags(@html_entity_decode($item->get_description(), ENT_QUOTES, get_option('blog_charset')))));
$desc = wp_html_excerpt( $desc, 360 ) . ' [&hellip;]';
$desc = esc_html( $desc );
if ( $show_summary ) {
$summary = "<div class='rssSummary'>$desc</div>";
} else {
$summary = '';
}
$date = '';
if ( $show_date ) {
$date = $item->get_date();
if ( $date ) {
if ( $date_stamp = strtotime( $date ) )
$date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date_stamp ) . '</span>';
else
$date = '';
}
}
$author = '';
if ( $show_author ) {
$author = $item->get_author();
if ( is_object($author) ) {
$author = $author->get_name();
$author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>';
}
}
if ( $link == '' ) {
echo "<li>$title{$date}{$summary}{$author}</li>";
} else {
echo "<li><a class='rsswidget' href='$link' title='$desc'>$title</a>{$date}{$summary}{$author}</li>";
}
}
echo '</ul>';
$rss->__destruct();
unset($rss);
}
/**
* Display RSS widget options form.
*
* The options for what fields are displayed for the RSS form are all booleans
* and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author',
* 'show_date'.
*
* @since 2.5.0
*
* @param array|string $args Values for input fields.
* @param array $inputs Override default display options.
*/
function wp_widget_rss_form( $args, $inputs = null ) {
$default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );
$inputs = wp_parse_args( $inputs, $default_inputs );
extract( $args );
extract( $inputs, EXTR_SKIP);
$number = esc_attr( $number );
$title = esc_attr( $title );
$url = esc_url( $url );
$items = (int) $items;
if ( $items < 1 || 20 < $items )
$items = 10;
$show_summary = (int) $show_summary;
$show_author = (int) $show_author;
$show_date = (int) $show_date;
if ( !empty($error) )
echo '<p class="widget-error"><strong>' . sprintf( __('RSS Error: %s'), $error) . '</strong></p>';
if ( $inputs['url'] ) :
?>
<p><label for="rss-url-<?php echo $number; ?>"><?php _e('Enter the RSS feed URL here:'); ?></label>
<input class="widefat" id="rss-url-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][url]" type="text" value="<?php echo $url; ?>" /></p>
<?php endif; if ( $inputs['title'] ) : ?>
<p><label for="rss-title-<?php echo $number; ?>"><?php _e('Give the feed a title (optional):'); ?></label>
<input class="widefat" id="rss-title-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" /></p>
<?php endif; if ( $inputs['items'] ) : ?>
<p><label for="rss-items-<?php echo $number; ?>"><?php _e('How many items would you like to display?'); ?></label>
<select id="rss-items-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][items]">
<?php
for ( $i = 1; $i <= 20; ++$i )
echo "<option value='$i' " . ( $items == $i ? "selected='selected'" : '' ) . ">$i</option>";
?>
</select></p>
<?php endif; if ( $inputs['show_summary'] ) : ?>
<p><input id="rss-show-summary-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_summary]" type="checkbox" value="1" <?php if ( $show_summary ) echo 'checked="checked"'; ?>/>
<label for="rss-show-summary-<?php echo $number; ?>"><?php _e('Display item content?'); ?></label></p>
<?php endif; if ( $inputs['show_author'] ) : ?>
<p><input id="rss-show-author-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_author]" type="checkbox" value="1" <?php if ( $show_author ) echo 'checked="checked"'; ?>/>
<label for="rss-show-author-<?php echo $number; ?>"><?php _e('Display item author if available?'); ?></label></p>
<?php endif; if ( $inputs['show_date'] ) : ?>
<p><input id="rss-show-date-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_date]" type="checkbox" value="1" <?php if ( $show_date ) echo 'checked="checked"'; ?>/>
<label for="rss-show-date-<?php echo $number; ?>"><?php _e('Display item date?'); ?></label></p>
<?php
endif;
foreach ( array_keys($default_inputs) as $input ) :
if ( 'hidden' === $inputs[$input] ) :
$id = str_replace( '_', '-', $input );
?>
<input type="hidden" id="rss-<?php echo $id; ?>-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][<?php echo $input; ?>]" value="<?php echo $$input; ?>" />
<?php
endif;
endforeach;
}
/**
* Process RSS feed widget data and optionally retrieve feed items.
*
* The feed widget can not have more than 20 items or it will reset back to the
* default, which is 10.
*
* The resulting array has the feed title, feed url, feed link (from channel),
* feed items, error (if any), and whether to show summary, author, and date.
* All respectively in the order of the array elements.
*
* @since 2.5.0
*
* @param array $widget_rss RSS widget feed data. Expects unescaped data.
* @param bool $check_feed Optional, default is true. Whether to check feed for errors.
* @return array
*/
function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
$items = (int) $widget_rss['items'];
if ( $items < 1 || 20 < $items )
$items = 10;
$url = esc_url_raw(strip_tags( $widget_rss['url'] ));
$title = trim(strip_tags( $widget_rss['title'] ));
$show_summary = (int) $widget_rss['show_summary'];
$show_author = (int) $widget_rss['show_author'];
$show_date = (int) $widget_rss['show_date'];
if ( $check_feed ) {
$rss = fetch_feed($url);
$error = false;
$link = '';
if ( is_wp_error($rss) ) {
$error = $rss->get_error_message();
} else {
$link = esc_url(strip_tags($rss->get_permalink()));
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
$rss->__destruct();
unset($rss);
}
}
return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
}
/**
* Tag cloud widget class
*
* @since 2.8.0
*/
class WP_Widget_Tag_Cloud extends WP_Widget {
function WP_Widget_Tag_Cloud() {
$widget_ops = array( 'description' => __( "Your most used tags in cloud format") );
$this->WP_Widget('tag_cloud', __('Tag Cloud'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters('widget_title', empty($instance['title']) ? __('Tags') : $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
echo '<div>';
wp_tag_cloud(apply_filters('widget_tag_cloud_args', array()));
echo "</div>\n";
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
$instance['title'] = strip_tags(stripslashes($new_instance['title']));
return $instance;
}
function form( $instance ) {
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
<input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php if (isset ( $instance['title'])) {echo esc_attr( $instance['title'] );} ?>" /></p>
<?php
}
}
/**
* Register all of the default WordPress widgets on startup.
*
* Calls 'widgets_init' action after all of the WordPress widgets have been
* registered.
*
* @since 2.2.0
*/
function wp_widgets_init() {
if ( !is_blog_installed() )
return;
register_widget('WP_Widget_Pages');
register_widget('WP_Widget_Calendar');
register_widget('WP_Widget_Archives');
register_widget('WP_Widget_Links');
register_widget('WP_Widget_Meta');
register_widget('WP_Widget_Search');
register_widget('WP_Widget_Text');
register_widget('WP_Widget_Categories');
register_widget('WP_Widget_Recent_Posts');
register_widget('WP_Widget_Recent_Comments');
register_widget('WP_Widget_RSS');
register_widget('WP_Widget_Tag_Cloud');
do_action('widgets_init');
}
add_action('init', 'wp_widgets_init', 1);