Viewing file:  class-wp-widget-links.php (6.82 KB) -rw-r--r--
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<?php
/**
* Widget API: WP_Widget_Links class
*
* @package WordPress
* @subpackage Widgets
* @since 4.4.0
*/
/**
* Core class used to implement a Links widget.
*
* @since 2.8.0
*
* @see WP_Widget
*/
class WP_Widget_Links extends WP_Widget {
/**
* Sets up a new Links widget instance.
*
* @since 2.8.0
* @access public
*/
public function __construct() {
$widget_ops = array(
'description' => __( 'Your blogroll' ),
'customize_selective_refresh' => true,
);
parent::__construct( 'links', __( 'Links' ), $widget_ops );
}
/**
* Outputs the content for the current Links widget instance.
*
* @since 2.8.0
* @access public
*
* @param array $args Display arguments including 'before_title', 'after_title',
* 'before_widget', and 'after_widget'.
* @param array $instance Settings for the current Links widget instance.
*/
public function widget( $args, $instance ) {
$show_description = isset($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;
$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : 'name';
$order = $orderby == 'rating' ? 'DESC' : 'ASC';
$limit = isset( $instance['limit'] ) ? $instance['limit'] : -1;
$before_widget = preg_replace( '/id="[^"]*"/', 'id="%id"', $args['before_widget'] );
$widget_links_args = array(
'title_before' => $args['before_title'],
'title_after' => $args['after_title'],
'category_before' => $before_widget,
'category_after' => $args['after_widget'],
'show_images' => $show_images,
'show_description' => $show_description,
'show_name' => $show_name,
'show_rating' => $show_rating,
'category' => $category,
'class' => 'linkcat widget',
'orderby' => $orderby,
'order' => $order,
'limit' => $limit,
);
/**
* Filters the arguments for the Links widget.
*
* @since 2.6.0
* @since 4.4.0 The `$instance` parameter was added.
*
* @see wp_list_bookmarks()
*
* @param array $widget_links_args An array of arguments to retrieve the links list.
* @param array $instance The settings for the particular instance of the widget.
*/
wp_list_bookmarks( apply_filters( 'widget_links_args', $widget_links_args, $instance ) );
}
/**
* Handles updating settings for the current Links widget instance.
*
* @since 2.8.0
* @access public
*
* @param array $new_instance New settings for this instance as input by the user via
* WP_Widget::form().
* @param array $old_instance Old settings for this instance.
* @return array Updated settings to save.
*/
public 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['orderby'] = 'name';
if ( in_array( $new_instance['orderby'], array( 'name', 'rating', 'id', 'rand' ) ) )
$instance['orderby'] = $new_instance['orderby'];
$instance['category'] = intval( $new_instance['category'] );
$instance['limit'] = ! empty( $new_instance['limit'] ) ? intval( $new_instance['limit'] ) : -1;
return $instance;
}
/**
* Outputs the settings form for the Links widget.
*
* @since 2.8.0
* @access public
*
* @param array $instance Current settings.
*/
public function form( $instance ) {
//Defaults
$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false, 'orderby' => 'name', 'limit' => -1 ) );
$link_cats = get_terms( 'link_category' );
if ( ! $limit = intval( $instance['limit'] ) )
$limit = -1;
?>
<p>
<label for="<?php echo $this->get_field_id('category'); ?>"><?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 _ex('All Links', 'links widget'); ?></option>
<?php
foreach ( $link_cats as $link_cat ) {
echo '<option value="' . intval( $link_cat->term_id ) . '"'
. selected( $instance['category'], $link_cat->term_id, false )
. '>' . $link_cat->name . "</option>\n";
}
?>
</select>
<label for="<?php echo $this->get_field_id('orderby'); ?>"><?php _e( 'Sort by:' ); ?></label>
<select name="<?php echo $this->get_field_name('orderby'); ?>" id="<?php echo $this->get_field_id('orderby'); ?>" class="widefat">
<option value="name"<?php selected( $instance['orderby'], 'name' ); ?>><?php _e( 'Link title' ); ?></option>
<option value="rating"<?php selected( $instance['orderby'], 'rating' ); ?>><?php _e( 'Link rating' ); ?></option>
<option value="id"<?php selected( $instance['orderby'], 'id' ); ?>><?php _e( 'Link ID' ); ?></option>
<option value="rand"<?php selected( $instance['orderby'], 'rand' ); ?>><?php _ex( 'Random', 'Links widget' ); ?></option>
</select>
</p>
<p>
<input class="checkbox" type="checkbox"<?php checked($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>
<p>
<label for="<?php echo $this->get_field_id('limit'); ?>"><?php _e( 'Number of links to show:' ); ?></label>
<input id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" type="text" value="<?php echo $limit == -1 ? '' : intval( $limit ); ?>" size="3" />
</p>
<?php
}
}
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