From aea371da0dd5bc8dc7694e051800a12cdb2c1d68 Mon Sep 17 00:00:00 2001
From: duck_ <duck_@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Fri, 2 Mar 2012 13:58:58 +0000
Subject: [PATCH] Add sorting and limiting to the links widget. Props yoavf.
 Fixes #12785.

git-svn-id: http://svn.automattic.com/wordpress/trunk@20071 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/default-widgets.php | 37 +++++++++++++++++++++++++++------
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/wp-includes/default-widgets.php b/wp-includes/default-widgets.php
index 4d269f1da..876743635 100644
--- a/wp-includes/default-widgets.php
+++ b/wp-includes/default-widgets.php
@@ -102,6 +102,9 @@ class WP_Widget_Links extends WP_Widget {
 		$show_rating = isset($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;
 
 		if ( is_admin() && !$category ) {
 			// Display All Links widget as such in the widgets screen
@@ -115,18 +118,26 @@ class WP_Widget_Links extends WP_Widget {
 			'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'
+			'category' => $category, 'class' => 'linkcat widget',
+			'orderby' => $orderby, 'order' => $order,
+			'limit' => $limit,
 		)));
 	}
 
 	function update( $new_instance, $old_instance ) {
 		$new_instance = (array) $new_instance;
-		$instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0);
+		$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']);
+
+		$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;
 	}
@@ -134,8 +145,10 @@ class WP_Widget_Links extends WP_Widget {
 	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');
+		$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'); ?>" class="screen-reader-text"><?php _e('Select Link Category'); ?></label>
@@ -148,7 +161,15 @@ class WP_Widget_Links extends WP_Widget {
 				. '>' . $link_cat->name . "</option>\n";
 		}
 		?>
-		</select></p>
+		</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( $instance['orderby'], 'rand' ); ?>><?php _e( 'Random' ); ?></option>
+		</select>
+		</p>
 		<p>
 		<input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" />
 		<label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br />
@@ -159,6 +180,10 @@ class WP_Widget_Links extends WP_Widget {
 		<input class="checkbox" type="checkbox" <?php checked($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
 	}
 }