From d24169856137d5327f657cd18ff50ea4190ab0a2 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Fri, 13 Feb 2009 16:15:42 +0000
Subject: Simple river pagination.

git-svn-id: https://code.elgg.org/elgg/trunk@2748 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/river2.php             |  2 +-
 views/default/river/item/list.php | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/engine/lib/river2.php b/engine/lib/river2.php
index d70f1e73b..d3d285aac 100644
--- a/engine/lib/river2.php
+++ b/engine/lib/river2.php
@@ -238,7 +238,7 @@
 				$offset = (int) get_input('offset',0);
 				
 			// Get river items, if they exist
-				if ($riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,$limit,$offset,$posted_min,$posted_max)) {
+				if ($riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max)) {
 
 					return elgg_view('river/item/list',array(
 											'limit' => $limit,
diff --git a/views/default/river/item/list.php b/views/default/river/item/list.php
index 781c18a48..8b7d37bd0 100644
--- a/views/default/river/item/list.php
+++ b/views/default/river/item/list.php
@@ -4,14 +4,43 @@
 
 	if (isset($vars['items']) && is_array($vars['items'])) {
 		
+		$i = 0;
 		if (!empty($vars['items']))
 		foreach($vars['items'] as $item) {
 			
 			echo elgg_view_river_item($item);
+			$i++;
+			if ($i >= $vars['limit']) break;
 			
 		}
 		
 	}
+	
+	$baseurl = $_SERVER['REQUEST_URI'];
+	$baseurl = $baseurl = preg_replace('/[\&\?]offset\=[0-9]*/',"",$baseurl); 
+	
+	$nav = '';
+	
+	if ($vars['offset'] > 0) {
+		$newoffset = $vars['offset'] - $vars['limit'];
+		if ($newoffset < 0) $newoffset = 0;
+		$urladdition = 'offset='.$newoffset;
+		if (substr_count($baseurl,'?')) $prevurl=$baseurl . '&' . $urladdition; else $prevurl=$baseurl . '?' . $urladdition;
+		
+		$nav .= '<a href="'.$prevurl.'">' . elgg_echo('previous') . '</a> ';
+	}  
+	
+	if (sizeof($vars['items']) > $vars['limit']) {
+		$newoffset = $vars['offset'] + $vars['limit'];
+		$urladdition = 'offset='.$newoffset;
+		if (substr_count($baseurl,'?')) $nexturl=$baseurl . '&' . $urladdition; else $nexturl=$baseurl . '?' . $urladdition;
+		
+		$nav .= '<a href="'.$nexturl.'">' . elgg_echo('next') . '</a> ';
+	} 
+	
+	if (!empty($nav)) {
+		echo '<div class="river_pagination>"<p>'.$nav.'</p></div>';
+	}
 
 ?>
 </div>
\ No newline at end of file
-- 
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