From c61a22f750deff5007df186814874cbf1ea15dab Mon Sep 17 00:00:00 2001
From: Heath Nielson <nielsonhe@familysearch.org>
Date: Thu, 10 Apr 2014 14:08:19 -0600
Subject: [PATCH] Support query parameters in DZI tileSource URLs

Any query parameters that are a part of the tileSource URL are added
to the tile URLs.
---
 src/dzitilesource.js | 5 +++--
 test/formats.js      | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/dzitilesource.js b/src/dzitilesource.js
index 9a3b1d03..daed278e 100644
--- a/src/dzitilesource.js
+++ b/src/dzitilesource.js
@@ -137,7 +137,8 @@ $.extend( $.DziTileSource.prototype, $.TileSource.prototype, /** @lends OpenSead
         }
 
         if (url && !options.tilesUrl) {
-            options.tilesUrl = url.replace(/([^\/]+)\.(dzi|xml|js)$/, '$1_files/');
+            options.tilesUrl = url.replace(/([^\/]+)\.(dzi|xml|js)(\?.*|$)/, '$1_files/');
+            options.queryParams = url.match(/\?.*/);
         }
 
         return options;
@@ -151,7 +152,7 @@ $.extend( $.DziTileSource.prototype, $.TileSource.prototype, /** @lends OpenSead
      * @param {Number} y
      */
     getTileUrl: function( level, x, y ) {
-        return [ this.tilesUrl, level, '/', x, '_', y, '.', this.fileFormat ].join( '' );
+        return [ this.tilesUrl, level, '/', x, '_', y, '.', this.fileFormat, this.queryParams ].join( '' );
     },
 
 
diff --git a/test/formats.js b/test/formats.js
index 7a54048f..c3653123 100644
--- a/test/formats.js
+++ b/test/formats.js
@@ -66,6 +66,11 @@
     });
 
     // ----------
+    asyncTest('DZI XML with query parameter', function() {
+        testOpen('testpattern.xml?param=value');
+    });
+
+     // ----------
     asyncTest('IIIF 1.0 JSON', function() {
         testOpen('iiif1_0.json');
     });