From 4f30dc9e7a2e8e058b101704748eac30b2b423f2 Mon Sep 17 00:00:00 2001
From: "marcins78@gmail.com"
 <marcins78@gmail.com@eb7970ca-0f6f-de4b-2938-835b230b9d1f>
Date: Fri, 25 Nov 2011 04:28:08 +0000
Subject: [PATCH] Improving performance of laying out cards.

---
 .../gemp-lotr-web/src/main/webapp/js/jCardGroup.js  | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gemp-lotr/gemp-lotr-web/src/main/webapp/js/jCardGroup.js b/gemp-lotr/gemp-lotr-web/src/main/webapp/js/jCardGroup.js
index 494d13cc4..5b7959412 100644
--- a/gemp-lotr/gemp-lotr-web/src/main/webapp/js/jCardGroup.js
+++ b/gemp-lotr/gemp-lotr-web/src/main/webapp/js/jCardGroup.js
@@ -335,10 +335,19 @@ var NormalCardGroup = CardGroup.extend({
 });
 
 function layoutCardElem(cardElem, x, y, width, height, index) {
+    x = Math.floor(x);
+    y = Math.floor(y);
+    width = Math.floor(width);
+    height = Math.floor(height);
+    if (cardElem.css("left") == (x + "px") && cardElem.css("top") == (y + "px")
+            && cardElem.css("width") == (width + "px") && cardElem.css("height") == (height + "px")
+            && cardElem.css("zIndex") == index)
+        return;
     cardElem.css({position: "absolute", left: x + "px", top: y + "px", width: width, height: height, zIndex: index });
 
     var tokenOverlay = $(".tokenOverlay", cardElem);
-    tokenOverlay.css({position: "absolute", left: 0 + "px", top: 0 + "px", width: width, height: height});
+    if (tokenOverlay.length > 0)
+        tokenOverlay.css({position: "absolute", left: 0 + "px", top: 0 + "px", width: width, height: height});
 
     $(".foilOverlay", cardElem).css({position: "absolute", left: 0 + "px", top: 0 + "px", width: width, height: height});
 
@@ -356,7 +365,7 @@ function layoutCardElem(cardElem, x, y, width, height, index) {
 function layoutTokens(cardElem) {
     var tokenOverlay = $(".tokenOverlay", cardElem);
 
-    if (tokenOverlay != null) {
+    if (tokenOverlay.length > 0) {
         var width = cardElem.width();
         var height = cardElem.height();
         var maxDimension = Math.max(width, height);