Merge pull request #126 from tomhughes/url-rewrite

Add an interception point to allow image URLs to be rewritten

lib/OpenLayers/Control/LayerSwitcher.js

@@ -550,10 +550,8 @@ OpenLayers.Control.LayerSwitcher =
             OpenLayers.Rico.Corner.changeOpacity(this.layersDiv, 0.75);
         }
 
-        var imgLocation = OpenLayers.Util.getImagesLocation();
-
         // maximize button div
-        var img = imgLocation + 'layer-switcher-maximize.png';
+        var img = OpenLayers.Util.getImageLocation('layer-switcher-maximize.png');
         this.maximizeDiv = OpenLayers.Util.createAlphaImageDiv(
                                     "OpenLayers_Control_MaximizeDiv", 
                                     null, 
@@ -569,7 +567,7 @@ OpenLayers.Control.LayerSwitcher =
         this.div.appendChild(this.maximizeDiv);
 
         // minimize button div
-        var img = imgLocation + 'layer-switcher-minimize.png';
+        var img = OpenLayers.Util.getImageLocation('layer-switcher-minimize.png');
         this.minimizeDiv = OpenLayers.Util.createAlphaImageDiv(
                                     "OpenLayers_Control_MinimizeDiv", 
                                     null, 

lib/OpenLayers/Control/OverviewMap.js

@@ -238,9 +238,8 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
         // map viewport.
         if(!this.outsideViewport) {
             this.div.className += " " + this.displayClass + 'Container';
-            var imgLocation = OpenLayers.Util.getImagesLocation();
             // maximize button div
-            var img = imgLocation + 'layer-switcher-maximize.png';
+            var img = OpenLayers.Util.getImageLocation('layer-switcher-maximize.png');
             this.maximizeDiv = OpenLayers.Util.createAlphaImageDiv(
                                         this.displayClass + 'MaximizeButton', 
                                         null, 
@@ -256,7 +255,7 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
             this.div.appendChild(this.maximizeDiv);
     
             // minimize button div
-            var img = imgLocation + 'layer-switcher-minimize.png';
+            var img = OpenLayers.Util.getImageLocation('layer-switcher-minimize.png');
             this.minimizeDiv = OpenLayers.Util.createAlphaImageDiv(
                                         'OpenLayers_Control_minimizeDiv', 
                                         null, 

lib/OpenLayers/Control/PanZoom.js

@@ -119,7 +119,7 @@ OpenLayers.Control.PanZoom = OpenLayers.Class(OpenLayers.Control, {
      *     image of the button, and has all the proper event handlers set.
      */
     _addButton:function(id, img, xy, sz) {
-        var imgLocation = OpenLayers.Util.getImagesLocation() + img;
+        var imgLocation = OpenLayers.Util.getImageLocation(img);
         var btn = OpenLayers.Util.createAlphaImageDiv(
                                     this.id + "_" + id, 
                                     xy, sz, imgLocation, "absolute");

lib/OpenLayers/Control/PanZoomBar.js

@@ -193,14 +193,13 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
     * location - {<OpenLayers.Pixel>} where zoombar drawing is to start.
     */
     _addZoomBar:function(centered) {
-        var imgLocation = OpenLayers.Util.getImagesLocation();
-        
+        var imgLocation = OpenLayers.Util.getImageLocation("slider.png");
         var id = this.id + "_" + this.map.id;
         var zoomsToEnd = this.map.getNumZoomLevels() - 1 - this.map.getZoom();
         var slider = OpenLayers.Util.createAlphaImageDiv(id,
                        centered.add(-1, zoomsToEnd * this.zoomStopHeight), 
                        new OpenLayers.Size(20,9), 
-                       imgLocation+"slider.png",
+                       imgLocation,
                        "absolute");
         slider.style.cursor = "move";
         this.slider = slider;
@@ -221,6 +220,7 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
         var sz = new OpenLayers.Size();
         sz.h = this.zoomStopHeight * this.map.getNumZoomLevels();
         sz.w = this.zoomStopWidth;
+        var imgLocation = OpenLayers.Util.getImageLocation("zoombar.png");
         var div = null;
         
         if (OpenLayers.Util.alphaHack()) {
@@ -228,7 +228,7 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
             div = OpenLayers.Util.createAlphaImageDiv(id, centered,
                                       new OpenLayers.Size(sz.w, 
                                               this.zoomStopHeight),
-                                      imgLocation + "zoombar.png", 
+                                      imgLocation,
                                       "absolute", null, "crop");
             div.style.height = sz.h + "px";
         } else {
@@ -236,7 +236,7 @@ OpenLayers.Control.PanZoomBar = OpenLayers.Class(OpenLayers.Control.PanZoom, {
                         'OpenLayers_Control_PanZoomBar_Zoombar' + this.map.id,
                         centered,
                         sz,
-                        imgLocation+"zoombar.png");
+                        imgLocation);
         }
         div.style.cursor = "pointer";
         this.zoombarDiv = div;

lib/OpenLayers/Format/Text.js

@@ -53,8 +53,7 @@ OpenLayers.Format.Text = OpenLayers.Class(OpenLayers.Format, {
 
         if(options.extractStyles !== false) {
             options.defaultStyle = {
-                'externalGraphic': OpenLayers.Util.getImagesLocation() +
-                                                                "marker.png",
+                'externalGraphic': OpenLayers.Util.getImageLocation("marker.png"),
                 'graphicWidth': 21,
                 'graphicHeight': 25,
                 'graphicXOffset': -10.5,

lib/OpenLayers/Layer/EventPane.js

@@ -104,7 +104,7 @@ OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
         this.pane.style.height="100%";
         if (OpenLayers.BROWSER_NAME == "msie") {
             this.pane.style.background = 
-                "url(" + OpenLayers.Util.getImagesLocation() + "blank.gif)";
+                "url(" + OpenLayers.Util.getImageLocation("blank.gif") + ")";
         }
 
         if (this.isFixed) {

lib/OpenLayers/Layer/WorldWind.js

@@ -96,7 +96,7 @@ OpenLayers.Layer.WorldWind = OpenLayers.Class(OpenLayers.Layer.Grid, {
                 Y: y
               });
         } else {
-            return OpenLayers.Util.getImagesLocation() + "blank.gif";
+            return OpenLayers.Util.getImageLocation("blank.gif");
         }
 
     },

lib/OpenLayers/Marker.js

@@ -231,7 +231,7 @@ OpenLayers.Marker = OpenLayers.Class({
  * {<OpenLayers.Icon>} A default OpenLayers.Icon to use for a marker
  */
 OpenLayers.Marker.defaultIcon = function() {
-    var url = OpenLayers.Util.getImagesLocation() + "marker.png";
+    var url = OpenLayers.Util.getImageLocation("marker.png");
     var size = new OpenLayers.Size(21, 25);
     var calculateOffset = function(size) {
                     return new OpenLayers.Pixel(-(size.w/2), -size.h);

lib/OpenLayers/Popup/FramedCloud.js

@@ -218,7 +218,7 @@ OpenLayers.Popup.FramedCloud =
     initialize:function(id, lonlat, contentSize, contentHTML, anchor, closeBox, 
                         closeBoxCallback) {
 
-        this.imageSrc = OpenLayers.Util.getImagesLocation() + 'cloud-popup-relative.png';
+        this.imageSrc = OpenLayers.Util.getImageLocation('cloud-popup-relative.png');
         OpenLayers.Popup.Framed.prototype.initialize.apply(this, arguments);
         this.contentDiv.className = this.contentDisplayClass;
     },

lib/OpenLayers/Util.js

@@ -557,6 +557,16 @@ OpenLayers.Util.getImagesLocation = function() {
     return OpenLayers.ImgPath || (OpenLayers._getScriptLocation() + "img/");
 };
 
+/** 
+ * Function: getImageLocation
+ * 
+ * Returns:
+ * {String} The fully formatted location string for a specified image
+ */
+OpenLayers.Util.getImageLocation = function(image) {
+    return OpenLayers.Util.getImagesLocation() + image;
+};
+
 
 /** 
  * Function: Try

lib/deprecated.js

@@ -1475,8 +1475,8 @@ OpenLayers.Control.MouseToolbar = OpenLayers.Class(
      * Method: _addButton
      */
     _addButton:function(id, img, activeImg, xy, sz, title) {
-        var imgLocation = OpenLayers.Util.getImagesLocation() + img;
-        var activeImgLocation = OpenLayers.Util.getImagesLocation() + activeImg;
+        var imgLocation = OpenLayers.Util.getImageLocation(img);
+        var activeImgLocation = OpenLayers.Util.getImageLocation(activeImg);
         // var btn = new ol.AlphaImage("_"+id, imgLocation, xy, sz);
         var btn = OpenLayers.Util.createAlphaImageDiv(
                                     "OpenLayers_Control_MouseToolbar_" + id,