woocommerce/widgets/widget-featured_products.php

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<?php
/**
* Featured Products Widget
*
* Gets and displays featured products in an unordered list
*
* @package WooCommerce
* @category Widgets
* @author WooThemes
*/
class WooCommerce_Widget_Featured_Products extends WP_Widget {
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/** Variables to setup the widget. */
var $woo_widget_cssclass;
var $woo_widget_description;
var $woo_widget_idbase;
var $woo_widget_name;
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/** constructor */
function WooCommerce_Widget_Featured_Products() {
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/* Widget variable settings. */
$this->woo_widget_cssclass = 'widget_featured_products';
$this->woo_widget_description = __( 'Display a list of featured products on your site.', 'woothemes' );
$this->woo_widget_idbase = 'woocommerce_featured_products';
$this->woo_widget_name = __('WooCommerce Featured Products', 'woothemes' );
/* Widget settings. */
$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
/* Create the widget. */
$this->WP_Widget('featured-products', $this->woo_widget_name, $widget_ops);
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add_action( 'save_post', array(&$this, 'flush_widget_cache') );
add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
}
/** @see WP_Widget */
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function widget($args, $instance) {
global $woocommerce;
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$cache = wp_cache_get('widget_featured_products', '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']) ? __('Featured Products', 'woothemes') : $instance['title'], $instance, $this->id_base);
if ( !$number = (int) $instance['number'] )
$number = 10;
else if ( $number < 1 )
$number = 1;
else if ( $number > 15 )
$number = 15;
?>
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<?php $query_args = array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'post_type' => 'product', 'meta_key' => '_featured', 'meta_value' => 'yes');
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$r = new WP_Query($query_args);
if ($r->have_posts()) : ?>
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<?php echo $before_widget; ?>
<?php if ( $title ) echo $before_title . $title . $after_title; ?>
<ul class="product_list_widget">
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<?php while ($r->have_posts()) : $r->the_post(); global $product; ?>
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<li><a href="<?php echo esc_url( get_permalink( $r->post->ID ) ); ?>" title="<?php echo esc_attr($r->post->post_title ? $r->post->post_title : $r->post->ID); ?>">
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<?php echo $product->get_image(); ?>
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<?php if ( $r->post->post_title ) echo get_the_title( $r->post->ID ); else echo $r->post->ID; ?>
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</a> <?php echo $product->get_price_html(); ?></li>
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<?php endwhile; ?>
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</ul>
<?php echo $after_widget; ?>
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<?php endif;
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$cache[$args['widget_id']] = ob_get_flush();
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wp_cache_set('widget_featured_products', $cache, 'widget');
}
/** @see WP_Widget->update */
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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_featured_products']) ) delete_option('widget_featured_products');
return $instance;
}
function flush_widget_cache() {
wp_cache_delete('widget_featured_products', 'widget');
}
/** @see WP_Widget->form */
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function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
if ( !isset($instance['number']) || !$number = (int) $instance['number'] )
$number = 2;
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'woothemes'); ?></label>
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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id('title') ); ?>" name="<?php echo esc_attr( $this->get_field_name('title') ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
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<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of products to show:', 'woothemes'); ?></label>
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<input id="<?php echo esc_attr( $this->get_field_id('number') ); ?>" name="<?php echo esc_attr( $this->get_field_name('number') ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3" /></p>
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<?php
}
} // class WooCommerce_Widget_Featured_Products