From f81ebc88a1046b99253d508527e7881cd45cb3be Mon Sep 17 00:00:00 2001
From: Will Bradley <bradley.will@gmail.com>
Date: Tue, 25 Feb 2014 20:26:59 -0700
Subject: [PATCH] Adding offset support to searcher for pagination

---
 classes/simplemap.php  | 2 ++
 classes/xml-search.php | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/classes/simplemap.php b/classes/simplemap.php
index c49818b..274d6b8 100644
--- a/classes/simplemap.php
+++ b/classes/simplemap.php
@@ -1084,6 +1084,7 @@ if ( !class_exists( 'Simple_Map' ) ) {
 					}
 
 					var bounds = new google.maps.LatLngBounds();
+					//- CALL TO RENDER EACH LOCATION
 					markers.each( function () {
 						var locationData = this;
 						locationData.distance = parseFloat(locationData.distance);
@@ -1390,6 +1391,7 @@ if ( !class_exists( 'Simple_Map' ) ) {
 				return marker;
 			}
 
+			//- FUNCTION THAT GENERATES LIST ITEMS
 			function createSidebarEntry(marker, locationData, searchData) {
 				var div = document.createElement('div');
 
diff --git a/classes/xml-search.php b/classes/xml-search.php
index 4221e18..b10d0d1 100644
--- a/classes/xml-search.php
+++ b/classes/xml-search.php
@@ -25,6 +25,7 @@ if ( !class_exists( 'SM_XML_Search' ) ){
 					'onlyzip' => false,
 					'country' => false,
 					'limit' => false,
+					'page' => false,
 					'pid'	=> 0,
 				);
 				$input = array_filter( array_intersect_key( $_GET, $defaults ) ) + $defaults;
@@ -49,6 +50,12 @@ if ( !class_exists( 'SM_XML_Search' ) ){
 
 				$limit = apply_filters( 'sm-xml-search-limit', $limit );
 
+
+				if ( $input['page'] && $input['page'] < 250 )
+					$offset = 'OFFSET ' . ( absint($input['page']) - 1) * $limit;
+				else
+					$offset = '';
+
 				// Locations within specific distance or just get them all?
 				$distance_select = $wpdb->prepare( "( 3959 * ACOS( COS( RADIANS(%s) ) * COS( RADIANS( lat_tbl.meta_value ) ) * COS( RADIANS( lng_tbl.meta_value ) - RADIANS(%s) ) + SIN( RADIANS(%s) ) * SIN( RADIANS( lat_tbl.meta_value ) ) ) ) AS distance", $input['lat'], $input['lng'], $input['lat'] ) . ', ';
 				$distance_order = 'distance, ';
@@ -108,7 +115,7 @@ if ( !class_exists( 'SM_XML_Search' ) ){
 					GROUP BY
 						posts.ID
 						$distance_having
-					ORDER BY " . apply_filters( 'sm-location-sort-order', $distance_order . ' posts.post_name ASC', $input ) . " " . $limit;
+					ORDER BY " . apply_filters( 'sm-location-sort-order', $distance_order . ' posts.post_name ASC', $input ) . " " . $limit . " " . $offset;
 
 				$sql = apply_filters( 'sm-xml-search-locations-sql', $sql );