From e1fba99c730f7f941de358cdacda1ba2206f8b8b Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Wed, 14 Mar 2012 10:49:05 +0100
Subject: [PATCH] Monkey-patching Layer.Vector with deprecated Renderer.NG
 logic

---
 lib/deprecated.js | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/lib/deprecated.js b/lib/deprecated.js
index b769532009..0f7038c2da 100644
--- a/lib/deprecated.js
+++ b/lib/deprecated.js
@@ -5105,6 +5105,35 @@ OpenLayers.Renderer.NG = OpenLayers.Class(OpenLayers.Renderer.Elements, {
     CLASS_NAME: "OpenLayers.Renderer.NG"
 });
 
+// Monkey-patching Layer.Vector for Renderer.NG support
+(function() {
+    var moveTo = OpenLayers.Layer.Vector.prototype.moveTo;
+    OpenLayers.Layer.Vector.prototype.moveTo = function(bounds, zoomChanged, dragging) {
+        if (OpenLayers.Renderer.NG && this.renderer instanceof OpenLayers.Renderer.NG) {
+            OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
+            dragging || this.renderer.updateDimensions(zoomChanged);
+            if (!this.drawn) {
+                this.drawn = true;
+                var feature;
+                for(var i=0, len=this.features.length; i<len; i++) {
+                    this.renderer.locked = (i !== (len - 1));
+                    feature = this.features[i];
+                    this.drawFeature(feature);
+                }
+            }
+        } else {
+            moveTo.apply(this, arguments);
+        }
+    }
+    var redraw = OpenLayers.Layer.Vector.prototype.redraw;
+    OpenLayers.Layer.Vector.prototype.redraw = function() {
+        if (OpenLayers.Renderer.NG && this.renderer instanceof OpenLayers.Renderer.NG) {
+            this.drawn = false;
+        }
+        redraw.apply(this, arguments);
+    }
+})();
+
 /**
  * Class: OpenLayers.Renderer.SVG2
  *
@@ -5892,4 +5921,4 @@ OpenLayers.Renderer.SVG2.LABEL_VFACTOR = {
  */
 OpenLayers.Renderer.SVG2.preventDefault = function(e) {
     e.preventDefault && e.preventDefault();
-};
+};
\ No newline at end of file