WordPress/wp-includes/default-widgets.php
2009-03-17 21:20:19 +00:00

1252 lines
42 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's WordPress Pages") );
$this->WP_Widget('pages', __('Pages'), $widget_ops);
}
function widget( $args, $instance ) {
extract( $args );
$title = empty( $instance['title'] ) ? __( 'Pages' ) : apply_filters('widget_title', $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( array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) );
if ( !empty( $out ) ) {
echo $before_widget;
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 = attribute_escape( $instance['title'] );
$exclude = attribute_escape( $instance['exclude'] );
?>
<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 $title; ?>" /></label></p>
<p>
<label for="<?php echo $this->get_field_id('sortby'); ?>"><?php _e( 'Sort by:' ); ?>
<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>
</label>
</p>
<p>
<label for="<?php echo $this->get_field_id('exclude'); ?>"><?php _e( 'Exclude:' ); ?> <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" /></label>
<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;
$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,
'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;
}
return $instance;
}
function form( $instance ) {
//Defaults
$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false) );
?>
<p>
<label for="<?php echo $this->get_field_id('images'); ?>">
<input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" /> <?php _e('Show Link Image'); ?></label><br />
<label for="<?php echo $this->get_field_id('name'); ?>">
<input class="checkbox" type="checkbox" <?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" /> <?php _e('Show Link Name'); ?></label><br />
<label for="<?php echo $this->get_field_id('description'); ?>">
<input class="checkbox" type="checkbox" <?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" /> <?php _e('Show Link Description'); ?></label><br />
<label for="<?php echo $this->get_field_id('rating'); ?>">
<input class="checkbox" type="checkbox" <?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" /> <?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);
echo $before_widget;
// Use current theme search form if it exists
get_search_form();
echo $after_widget;
}
}
/**
* 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'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';
$title = empty($instance['title']) ? __('Archives') : apply_filters('widget_title', $instance['title']);
echo $before_widget;
echo $before_title . $title . $after_title;
if ( $d ) {
?>
<select name="archive-dropdown" onchange='document.location.href=this.options[this.selectedIndex].value;'> <option value=""><?php echo attribute_escape(__('Select Month')); ?></option> <?php wp_get_archives("type=monthly&format=option&show_post_count=$c"); ?> </select>
<?php
} else {
?>
<ul>
<?php wp_get_archives("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:'); ?> <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>
<p>
<label for="<?php echo $this->get_field_id('count'); ?>"><input class="checkbox" type="checkbox" <?php echo $count; ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <?php _e('Show post counts'); ?></label>
<br />
<label for="<?php echo $this->get_field_id('dropdown'); ?>"><input class="checkbox" type="checkbox" <?php echo $dropdown; ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('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);
$title = empty($instance['title']) ? __('Meta') : apply_filters('widget_title', $instance['title']);
echo $before_widget;
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 attribute_escape(__('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 attribute_escape(__('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 attribute_escape(__('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:'); ?> <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>
<?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's posts") );
$this->WP_Widget('calendar', __('Calendar'), $widget_ops);
}
function widget( $args, $instance ) {
extract($args);
$title = empty($instance['title']) ? '&nbsp;' : apply_filters('widget_title', $instance['title']);
echo $before_widget . $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:'); ?> <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>
<?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);
$title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
$text = apply_filters( 'widget_text', $instance['text'] );
echo $before_widget;
if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?>
<div class="textwidget"><?php echo $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'] = wp_filter_post_kses( $new_instance['text'] );
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:'); ?> <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>
<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>
<?php
}
}
/**
* Display categories widget.
*
* Allows multiple category widgets.
*
* @since 2.2.0
*
* @param array $args Widget arguments.
* @param int $number Widget number.
*/
function wp_widget_categories($args, $widget_args = 1) {
extract($args, EXTR_SKIP);
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract($widget_args, EXTR_SKIP);
$options = get_option('widget_categories');
if ( !isset($options[$number]) )
return;
$c = $options[$number]['count'] ? '1' : '0';
$h = $options[$number]['hierarchical'] ? '1' : '0';
$d = $options[$number]['dropdown'] ? '1' : '0';
$title = empty($options[$number]['title']) ? __('Categories') : apply_filters('widget_title', $options[$number]['title']);
echo $before_widget;
echo $before_title . $title . $after_title;
$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);
if ( $d ) {
$cat_args['show_option_none'] = __('Select Category');
wp_dropdown_categories($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 get_option('home'); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
}
}
dropdown.onchange = onCatChange;
/* ]]> */
</script>
<?php
} else {
?>
<ul>
<?php
$cat_args['title_li'] = '';
wp_list_categories($cat_args);
?>
</ul>
<?php
}
echo $after_widget;
}
/**
* Display and process categories widget options form.
*
* @since 2.2.0
*
* @param int $widget_args Widget number.
*/
function wp_widget_categories_control( $widget_args ) {
global $wp_registered_widgets;
static $updated = false;
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract($widget_args, EXTR_SKIP);
$options = get_option('widget_categories');
if ( !is_array( $options ) )
$options = array();
if ( !$updated && !empty($_POST['sidebar']) ) {
$sidebar = (string) $_POST['sidebar'];
$sidebars_widgets = wp_get_sidebars_widgets();
if ( isset($sidebars_widgets[$sidebar]) )
$this_sidebar =& $sidebars_widgets[$sidebar];
else
$this_sidebar = array();
foreach ( (array) $this_sidebar as $_widget_id ) {
if ( 'wp_widget_categories' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {
$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];
if ( !in_array( "categories-$widget_number", $_POST['widget-id'] ) ) // the widget has been removed.
unset($options[$widget_number]);
}
}
foreach ( (array) $_POST['widget-categories'] as $widget_number => $widget_cat ) {
if ( !isset($widget_cat['title']) && isset($options[$widget_number]) ) // user clicked cancel
continue;
$title = trim(strip_tags(stripslashes($widget_cat['title'])));
$count = isset($widget_cat['count']);
$hierarchical = isset($widget_cat['hierarchical']);
$dropdown = isset($widget_cat['dropdown']);
$options[$widget_number] = compact( 'title', 'count', 'hierarchical', 'dropdown' );
}
update_option('widget_categories', $options);
$updated = true;
}
if ( -1 == $number ) {
$title = '';
$count = false;
$hierarchical = false;
$dropdown = false;
$number = '%i%';
} else {
$title = attribute_escape( $options[$number]['title'] );
$count = (bool) $options[$number]['count'];
$hierarchical = (bool) $options[$number]['hierarchical'];
$dropdown = (bool) $options[$number]['dropdown'];
}
?>
<p>
<label for="categories-title-<?php echo $number; ?>">
<?php _e( 'Title:' ); ?>
<input class="widefat" id="categories-title-<?php echo $number; ?>" name="widget-categories[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" />
</label>
</p>
<p>
<label for="categories-dropdown-<?php echo $number; ?>">
<input type="checkbox" class="checkbox" id="categories-dropdown-<?php echo $number; ?>" name="widget-categories[<?php echo $number; ?>][dropdown]"<?php checked( $dropdown ); ?> />
<?php _e( 'Show as dropdown' ); ?>
</label>
<br />
<label for="categories-count-<?php echo $number; ?>">
<input type="checkbox" class="checkbox" id="categories-count-<?php echo $number; ?>" name="widget-categories[<?php echo $number; ?>][count]"<?php checked( $count ); ?> />
<?php _e( 'Show post counts' ); ?>
</label>
<br />
<label for="categories-hierarchical-<?php echo $number; ?>">
<input type="checkbox" class="checkbox" id="categories-hierarchical-<?php echo $number; ?>" name="widget-categories[<?php echo $number; ?>][hierarchical]"<?php checked( $hierarchical ); ?> />
<?php _e( 'Show hierarchy' ); ?>
</label>
</p>
<input type="hidden" name="widget-categories[<?php echo $number; ?>][submit]" value="1" />
<?php
}
/**
* Register categories widget on startup.
*
* @since 2.3.0
*/
function wp_widget_categories_register() {
if ( !$options = get_option( 'widget_categories' ) )
$options = array();
if ( isset($options['title']) )
$options = wp_widget_categories_upgrade();
$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories" ) );
$name = __( 'Categories' );
$id = false;
foreach ( (array) array_keys($options) as $o ) {
// Old widgets can have null values for some reason
if ( !isset($options[$o]['title']) )
continue;
$id = "categories-$o";
wp_register_sidebar_widget( $id, $name, 'wp_widget_categories', $widget_ops, array( 'number' => $o ) );
wp_register_widget_control( $id, $name, 'wp_widget_categories_control', array( 'id_base' => 'categories' ), array( 'number' => $o ) );
}
// If there are none, we register the widget's existance with a generic template
if ( !$id ) {
wp_register_sidebar_widget( 'categories-1', $name, 'wp_widget_categories', $widget_ops, array( 'number' => -1 ) );
wp_register_widget_control( 'categories-1', $name, 'wp_widget_categories_control', array( 'id_base' => 'categories' ), array( 'number' => -1 ) );
}
}
/**
* Upgrade previous category widget to current version.
*
* @since 2.3.0
*
* @return array
*/
function wp_widget_categories_upgrade() {
$options = get_option( 'widget_categories' );
if ( !isset( $options['title'] ) )
return $options;
$newoptions = array( 1 => $options );
update_option( 'widget_categories', $newoptions );
$sidebars_widgets = get_option( 'sidebars_widgets' );
if ( is_array( $sidebars_widgets ) ) {
foreach ( $sidebars_widgets as $sidebar => $widgets ) {
if ( is_array( $widgets ) ) {
foreach ( $widgets as $widget )
$new_widgets[$sidebar][] = ( $widget == 'categories' ) ? 'categories-1' : $widget;
} else {
$new_widgets[$sidebar] = $widgets;
}
}
if ( $new_widgets != $sidebars_widgets )
update_option( 'sidebars_widgets', $new_widgets );
}
return $newoptions;
}
/**
* Display recent entries widget.
*
* @since 2.2.0
*
* @param array $args Widget arguments.
* @return int Displayed cache.
*/
function wp_widget_recent_entries($args) {
if ( '%BEG_OF_TITLE%' != $args['before_title'] ) {
if ( $output = wp_cache_get('widget_recent_entries', 'widget') )
return print($output);
ob_start();
}
extract($args);
$options = get_option('widget_recent_entries');
$title = empty($options['title']) ? __('Recent Posts') : apply_filters('widget_title', $options['title']);
if ( !$number = (int) $options['number'] )
$number = 10;
else if ( $number < 1 )
$number = 1;
else if ( $number > 15 )
$number = 15;
$r = new WP_Query(array('showposts' => $number, 'what_to_show' => 'posts', 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1));
if ($r->have_posts()) :
?>
<?php echo $before_widget; ?>
<?php echo $before_title . $title . $after_title; ?>
<ul>
<?php while ($r->have_posts()) : $r->the_post(); ?>
<li><a href="<?php the_permalink() ?>"><?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;
if ( '%BEG_OF_TITLE%' != $args['before_title'] )
wp_cache_add('widget_recent_entries', ob_get_flush(), 'widget');
}
/**
* Remove recent entries widget items cache.
*
* @since 2.2.0
*/
function wp_flush_widget_recent_entries() {
wp_cache_delete('widget_recent_entries', 'widget');
}
add_action('save_post', 'wp_flush_widget_recent_entries');
add_action('deleted_post', 'wp_flush_widget_recent_entries');
add_action('switch_theme', 'wp_flush_widget_recent_entries');
/**
* Display and process recent entries widget options form.
*
* @since 2.2.0
*/
function wp_widget_recent_entries_control() {
$options = $newoptions = get_option('widget_recent_entries');
if ( isset($_POST["recent-entries-submit"]) ) {
$newoptions['title'] = strip_tags(stripslashes($_POST["recent-entries-title"]));
$newoptions['number'] = (int) $_POST["recent-entries-number"];
}
if ( $options != $newoptions ) {
$options = $newoptions;
update_option('widget_recent_entries', $options);
wp_flush_widget_recent_entries();
}
$title = attribute_escape($options['title']);
if ( !$number = (int) $options['number'] )
$number = 5;
?>
<p><label for="recent-entries-title"><?php _e('Title:'); ?> <input class="widefat" id="recent-entries-title" name="recent-entries-title" type="text" value="<?php echo $title; ?>" /></label></p>
<p>
<label for="recent-entries-number"><?php _e('Number of posts to show:'); ?> <input style="width: 25px; text-align: center;" id="recent-entries-number" name="recent-entries-number" type="text" value="<?php echo $number; ?>" /></label>
<br />
<small><?php _e('(at most 15)'); ?></small>
</p>
<input type="hidden" id="recent-entries-submit" name="recent-entries-submit" value="1" />
<?php
}
/**
* Display recent comments widget.
*
* @since 2.2.0
*
* @param array $args Widget arguments.
*/
function wp_widget_recent_comments($args) {
global $wpdb, $comments, $comment;
extract($args, EXTR_SKIP);
$options = get_option('widget_recent_comments');
$title = empty($options['title']) ? __('Recent Comments') : apply_filters('widget_title', $options['title']);
if ( !$number = (int) $options['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 * FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT $number");
wp_cache_add( 'recent_comments', $comments, 'widget' );
}
?>
<?php echo $before_widget; ?>
<?php 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$s', 'widgets'), get_comment_author_link(), '<a href="' . clean_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>';
endforeach; endif;?></ul>
<?php echo $after_widget; ?>
<?php
}
/**
* Remove the cache for recent comments widget.
*
* @since 2.2.0
*/
function wp_delete_recent_comments_cache() {
wp_cache_delete( 'recent_comments', 'widget' );
}
add_action( 'comment_post', 'wp_delete_recent_comments_cache' );
add_action( 'wp_set_comment_status', 'wp_delete_recent_comments_cache' );
/**
* Display and process recent comments widget options form.
*
* @since 2.2.0
*/
function wp_widget_recent_comments_control() {
$options = $newoptions = get_option('widget_recent_comments');
if ( isset($_POST["recent-comments-submit"]) ) {
$newoptions['title'] = strip_tags(stripslashes($_POST["recent-comments-title"]));
$newoptions['number'] = (int) $_POST["recent-comments-number"];
}
if ( $options != $newoptions ) {
$options = $newoptions;
update_option('widget_recent_comments', $options);
wp_delete_recent_comments_cache();
}
$title = attribute_escape($options['title']);
if ( !$number = (int) $options['number'] )
$number = 5;
?>
<p><label for="recent-comments-title"><?php _e('Title:'); ?> <input class="widefat" id="recent-comments-title" name="recent-comments-title" type="text" value="<?php echo $title; ?>" /></label></p>
<p>
<label for="recent-comments-number"><?php _e('Number of comments to show:'); ?> <input style="width: 25px; text-align: center;" id="recent-comments-number" name="recent-comments-number" type="text" value="<?php echo $number; ?>" /></label>
<br />
<small><?php _e('(at most 15)'); ?></small>
</p>
<input type="hidden" id="recent-comments-submit" name="recent-comments-submit" value="1" />
<?php
}
/**
* Display the style for recent comments widget.
*
* @since 2.2.0
*/
function wp_widget_recent_comments_style() {
?>
<style type="text/css">.recentcomments a{display:inline !important;padding: 0 !important;margin: 0 !important;}</style>
<?php
}
/**
* Register recent comments with control and hook for 'wp_head' action.
*
* @since 2.2.0
*/
function wp_widget_recent_comments_register() {
$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'The most recent comments' ) );
wp_register_sidebar_widget('recent-comments', __('Recent Comments'), 'wp_widget_recent_comments', $widget_ops);
wp_register_widget_control('recent-comments', __('Recent Comments'), 'wp_widget_recent_comments_control');
if ( is_active_widget('wp_widget_recent_comments') )
add_action('wp_head', 'wp_widget_recent_comments_style');
}
/**
* Display RSS widget.
*
* Allows for multiple widgets to be displayed.
*
* @since 2.2.0
*
* @param array $args Widget arguments.
* @param int $number Widget number.
*/
function wp_widget_rss($args, $widget_args = 1) {
extract($args, EXTR_SKIP);
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract($widget_args, EXTR_SKIP);
$options = get_option('widget_rss');
if ( !isset($options[$number]) )
return;
if ( isset($options[$number]['error']) && $options[$number]['error'] )
return;
$url = $options[$number]['url'];
while ( stristr($url, 'http') != $url )
$url = substr($url, 1);
if ( empty($url) )
return;
$rss = fetch_feed($url);
$title = $options[$number]['title'];
$desc = '';
$link = '';
if ( ! is_wp_error($rss) ) {
$desc = attribute_escape(strip_tags(html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
if ( empty($title) )
$title = htmlentities(strip_tags($rss->get_title()));
$link = clean_url(strip_tags($rss->get_permalink()));
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
}
if ( empty($title) )
$title = $desc;
if ( empty($title) )
$title = __('Unknown Feed');
$title = apply_filters('widget_title', $title );
$url = clean_url(strip_tags($url));
$icon = includes_url('images/rss.png');
$title = "<a class='rsswidget' href='$url' title='" . attribute_escape(__('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;
echo $before_title . $title . $after_title;
wp_widget_rss_output( $rss, $options[$number] );
echo $after_widget;
}
/**
* 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>';
printf(__('<strong>RSS Error</strong>: %s'), $rss->get_error_message());
echo '</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>';
return;
}
echo '<ul>';
foreach ( $rss->get_items(0, $items) as $item ) {
$link = $item->get_link();
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
$link = clean_url(strip_tags($link));
$title = attribute_escape(strip_tags($item->get_title()));
if ( empty($title) )
$title = __('Untitled');
$desc = str_replace(array("\n", "\r"), ' ', attribute_escape(strip_tags(html_entity_decode($item->get_description(), ENT_QUOTES, get_option('blog_charset')))));
$desc = wp_html_excerpt( $desc, 360 ) . ' [&hellip;]';
$desc = wp_specialchars( $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();
$author = $author->get_name();
$author = ' <cite>' . wp_specialchars( 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>';
}
/**
* Display and process RSS widget control form.
*
* @since 2.2.0
*
* @param int $widget_args Widget number.
*/
function wp_widget_rss_control($widget_args) {
global $wp_registered_widgets;
static $updated = false;
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract($widget_args, EXTR_SKIP);
$options = get_option('widget_rss');
if ( !is_array($options) )
$options = array();
$urls = array();
foreach ( (array) $options as $option )
if ( isset($option['url']) )
$urls[$option['url']] = true;
if ( !$updated && 'POST' == $_SERVER['REQUEST_METHOD'] && !empty($_POST['sidebar']) ) {
$sidebar = (string) $_POST['sidebar'];
$sidebars_widgets = wp_get_sidebars_widgets();
if ( isset($sidebars_widgets[$sidebar]) )
$this_sidebar =& $sidebars_widgets[$sidebar];
else
$this_sidebar = array();
foreach ( (array) $this_sidebar as $_widget_id ) {
if ( 'wp_widget_rss' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {
$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];
if ( !in_array( "rss-$widget_number", $_POST['widget-id'] ) ) // the widget has been removed.
unset($options[$widget_number]);
}
}
foreach( (array) $_POST['widget-rss'] as $widget_number => $widget_rss ) {
if ( !isset($widget_rss['url']) && isset($options[$widget_number]) ) // user clicked cancel
continue;
$widget_rss = stripslashes_deep( $widget_rss );
$url = sanitize_url(strip_tags($widget_rss['url']));
$options[$widget_number] = wp_widget_rss_process( $widget_rss, !isset($urls[$url]) );
}
update_option('widget_rss', $options);
$updated = true;
}
if ( -1 == $number ) {
$title = '';
$url = '';
$items = 10;
$error = false;
$number = '%i%';
$show_summary = 0;
$show_author = 0;
$show_date = 0;
} else {
extract( (array) $options[$number] );
}
wp_widget_rss_form( compact( 'number', 'title', 'url', 'items', 'error', 'show_summary', 'show_author', 'show_date' ) );
}
/**
* 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 = attribute_escape( $number );
$title = attribute_escape( $title );
$url = attribute_escape( $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) ) {
$message = sprintf( __('Error in RSS Widget: %s'), $error);
echo "<div class='error'><p>$message</p></div>";
echo "<p class='hide-if-no-js'><strong>$message</strong></p>";
}
if ( $inputs['url'] ) :
?>
<p>
<label for="rss-url-<?php echo $number; ?>"><?php _e('Enter the RSS feed URL here:'); ?>
<input class="widefat" id="rss-url-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][url]" type="text" value="<?php echo $url; ?>" />
</label>
</p>
<?php endif; if ( $inputs['title'] ) : ?>
<p>
<label for="rss-title-<?php echo $number; ?>"><?php _e('Give the feed a title (optional):'); ?>
<input class="widefat" id="rss-title-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" />
</label>
</p>
<?php endif; if ( $inputs['items'] ) : ?>
<p>
<label for="rss-items-<?php echo $number; ?>"><?php _e('How many items would you like to display?'); ?>
<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>
</label>
</p>
<?php endif; if ( $inputs['show_summary'] ) : ?>
<p>
<label for="rss-show-summary-<?php echo $number; ?>">
<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"'; ?>/>
<?php _e('Display item content?'); ?>
</label>
</p>
<?php endif; if ( $inputs['show_author'] ) : ?>
<p>
<label for="rss-show-author-<?php echo $number; ?>">
<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"'; ?>/>
<?php _e('Display item author if available?'); ?>
</label>
</p>
<?php endif; if ( $inputs['show_date'] ) : ?>
<p>
<label for="rss-show-date-<?php echo $number; ?>">
<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"'; ?>/>
<?php _e('Display item date?'); ?>
</label>
</p>
<input type="hidden" name="widget-rss[<?php echo $number; ?>][submit]" value="1" />
<?php
endif;
foreach ( array_keys($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 = sanitize_url(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 {
$link = clean_url(strip_tags($rss->get_permalink()));
while ( stristr($link, 'http') != $link )
$link = substr($link, 1);
}
}
return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
}
/**
* Register RSS widget to allow multiple RSS widgets on startup.
*
* @since 2.2.0
*/
function wp_widget_rss_register() {
$options = get_option('widget_rss');
if ( !is_array($options) )
$options = array();
$widget_ops = array('classname' => 'widget_rss', 'description' => __( 'Entries from any RSS or Atom feed' ));
$control_ops = array('width' => 400, 'height' => 200, 'id_base' => 'rss');
$name = __('RSS');
$id = false;
foreach ( (array) array_keys($options) as $o ) {
// Old widgets can have null values for some reason
if ( !isset($options[$o]['url']) || !isset($options[$o]['title']) || !isset($options[$o]['items']) )
continue;
$id = "rss-$o"; // Never never never translate an id
wp_register_sidebar_widget($id, $name, 'wp_widget_rss', $widget_ops, array( 'number' => $o ));
wp_register_widget_control($id, $name, 'wp_widget_rss_control', $control_ops, array( 'number' => $o ));
}
// If there are none, we register the widget's existance with a generic template
if ( !$id ) {
wp_register_sidebar_widget( 'rss-1', $name, 'wp_widget_rss', $widget_ops, array( 'number' => -1 ) );
wp_register_widget_control( 'rss-1', $name, 'wp_widget_rss_control', $control_ops, array( 'number' => -1 ) );
}
}
/**
* Display tag cloud widget.
*
* @since 2.3.0
*
* @param array $args Widget arguments.
*/
function wp_widget_tag_cloud($args) {
extract($args);
$options = get_option('widget_tag_cloud');
$title = empty($options['title']) ? __('Tags') : apply_filters('widget_title', $options['title']);
echo $before_widget;
echo $before_title . $title . $after_title;
wp_tag_cloud();
echo $after_widget;
}
/**
* Manage WordPress Tag Cloud widget options.
*
* Displays management form for changing the tag cloud widget title.
*
* @since 2.3.0
*/
function wp_widget_tag_cloud_control() {
$options = $newoptions = get_option('widget_tag_cloud');
if ( isset($_POST['tag-cloud-submit']) ) {
$newoptions['title'] = strip_tags(stripslashes($_POST['tag-cloud-title']));
}
if ( $options != $newoptions ) {
$options = $newoptions;
update_option('widget_tag_cloud', $options);
}
$title = attribute_escape( $options['title'] );
?>
<p><label for="tag-cloud-title">
<?php _e('Title:') ?> <input type="text" class="widefat" id="tag-cloud-title" name="tag-cloud-title" value="<?php echo $title ?>" /></label>
</p>
<input type="hidden" name="tag-cloud-submit" id="tag-cloud-submit" value="1" />
<?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;
new WP_Widget_Pages();
new WP_Widget_Calendar();
new WP_Widget_Archives();
new WP_Widget_Links();
new WP_Widget_Meta();
new WP_Widget_Search();
new WP_Widget_Text();
$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your blog") );
wp_register_sidebar_widget('recent-posts', __('Recent Posts'), 'wp_widget_recent_entries', $widget_ops);
wp_register_widget_control('recent-posts', __('Recent Posts'), 'wp_widget_recent_entries_control' );
$widget_ops = array('classname' => 'widget_tag_cloud', 'description' => __( "Your most used tags in cloud format") );
wp_register_sidebar_widget('tag_cloud', __('Tag Cloud'), 'wp_widget_tag_cloud', $widget_ops);
wp_register_widget_control('tag_cloud', __('Tag Cloud'), 'wp_widget_tag_cloud_control' );
wp_widget_categories_register();
wp_widget_rss_register();
wp_widget_recent_comments_register();
do_action('widgets_init');
}
add_action('init', 'wp_widgets_init', 1);