From 14ddfc21f3f7b0b70082ed013d49bf6bf8ea5a5d Mon Sep 17 00:00:00 2001
From: euzuro <euzuro@metacarta.com>
Date: Mon, 29 May 2006 09:42:46 +0000
Subject: [PATCH] If no icon value is passed to marker constructor, assemble a
 default icon

git-svn-id: http://svn.openlayers.org/trunk/openlayers@438 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Marker.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/OpenLayers/Marker.js b/lib/OpenLayers/Marker.js
index 567d19df80..633b8d3c4f 100644
--- a/lib/OpenLayers/Marker.js
+++ b/lib/OpenLayers/Marker.js
@@ -27,9 +27,10 @@ OpenLayers.Marker.prototype = {
     * @param {OpenLayers.LonLat lonlat
     */
     initialize: function(lonlat, icon) {
-        this.icon = icon;
         this.lonlat = lonlat;
 
+        this.icon = (icon) ? icon : this.defaultIcon();
+
         this.image = OpenLayers.Util.createAlphaImageDiv(null,
                                                  null,
                                                  this.icon.size,
@@ -60,6 +61,18 @@ OpenLayers.Marker.prototype = {
             this.image.style.left = (px.x + this.icon.offset.x) + "px"; 
         }
     },
+
+    /** 
+     * @returns A default OpenLayers.Icon to use for a marker
+     * @type OpenLayers.Icon
+     */
+    defaultIcon: function() {
+        var url = OpenLayers.Util.getImagesLocation() + "marker.png";
+        var size = new OpenLayers.Size(21, 25);
+        var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
+
+        return new OpenLayers.Icon(url, size, offset);        
+    }
     
     /** @final @type String */
     CLASS_NAME: "OpenLayers.Marker"