From 5a3c861051a042932d50c02e9f70da4196a4253e Mon Sep 17 00:00:00 2001
From: euzuro <euzuro@metacarta.com>
Date: Thu, 26 Apr 2007 23:29:10 +0000
Subject: [PATCH] fix for #681 - Make sure markers layer always draws on the
 first moveTo(), regardless of the value of 'zoomChanged'.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3098 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Layer/Markers.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/OpenLayers/Layer/Markers.js b/lib/OpenLayers/Layer/Markers.js
index 55150f0a2c..5ecea4b9fb 100644
--- a/lib/OpenLayers/Layer/Markers.js
+++ b/lib/OpenLayers/Layer/Markers.js
@@ -21,6 +21,15 @@ OpenLayers.Layer.Markers.prototype =
     /** internal marker list
     * @type Array(OpenLayers.Marker) */
     markers: null,
+
+
+    /** internal state of drawing. This is a workaround for the fact
+     *  that the map does not call moveTo with a zoomChanged when the
+     *  map is first starting up. This lets us catch the case where we
+     *  have *never* drawn the layer, and draw it even if the zoom hasn't
+     *  changed. 
+     * @type Boolean */
+    drawn: false,
     
     /**
     * @constructor
@@ -51,8 +60,9 @@ OpenLayers.Layer.Markers.prototype =
     moveTo:function(bounds, zoomChanged, dragging) {
         OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
 
-        if (zoomChanged) {
+        if (zoomChanged || !this.drawn) {
             this.redraw();
+            this.drawn = true;
         }
     },