From 6ed79a3d361a0522493f5630497aa8e86cb74004 Mon Sep 17 00:00:00 2001
From: Mike Adair <madair336@gmail.com>
Date: Tue, 19 Jun 2012 11:17:55 -0400
Subject: [PATCH] add layers and resolutions array

---
 src/api/map.js           | 24 ++++++++++++++++++++
 src/ol/Map.js            | 48 +++++++++++++++++++++++++++++++++++++++-
 test/spec/ol/Map.test.js | 33 ++++++++++++++++++++++++++-
 3 files changed, 103 insertions(+), 2 deletions(-)

diff --git a/src/api/map.js b/src/api/map.js
index e815b01556..6a0e0fb683 100644
--- a/src/api/map.js
+++ b/src/api/map.js
@@ -125,3 +125,27 @@ ol.Map.prototype.numZoomLevels = function(opt_arg) {
         return this.getNumZoomLevels();
     }
 };
+
+/**
+ * @param {Array=} opt_arg  
+ * @returns {ol.Map|Array|undefined} Map center.
+ */
+ol.Map.prototype.resolutions = function(opt_arg) {
+    if (arguments.length == 1 && goog.isDef(opt_arg)) {
+        return this.setResolutions(opt_arg);
+    } else {
+        return this.getResolutions();
+    }
+};
+
+/**
+ * @param {Array=} opt_arg  
+ * @returns {ol.Map|Array|undefined} Map center.
+ */
+ol.Map.prototype.layers = function(opt_arg) {
+    if (arguments.length == 1 && goog.isDef(opt_arg)) {
+        return this.setLayers(opt_arg);
+    } else {
+        return this.getLayers();
+    }
+};
diff --git a/src/ol/Map.js b/src/ol/Map.js
index 07a8794f99..fe1114f71e 100644
--- a/src/ol/Map.js
+++ b/src/ol/Map.js
@@ -40,6 +40,18 @@ ol.Map = function() {
      */
     this.numZoomLevels_ = 22;
 
+    /**
+     * @private
+     * @type {Array|undefined}
+     */
+    this.resolutions_ = null;
+
+    /**
+     * @private
+     * @type {Array|undefined}
+     */
+    this.layers_ = null;
+
 };
 
 /** 
@@ -100,6 +112,22 @@ ol.Map.prototype.getNumZoomLevels = function() {
 };
 
 
+/**
+ * @return {Array|undefined} array of resolutions available for this map
+ */
+ol.Map.prototype.getResolutions = function() {
+    return this.resolutions_;
+};
+
+
+/**
+ * @return {Array|undefined} array of layers available for this map
+ */
+ol.Map.prototype.getLayers = function() {
+    return this.layers_;
+};
+
+
 /**
  * @param {ol.Loc} center Center.
  * @return {ol.Map} This.
@@ -149,11 +177,29 @@ ol.Map.prototype.setNumZoomLevels = function(nZoom) {
     return this;
 };
 
+/**
+ * @param {Array} resolutions the map resolutions if set on the map
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setResolutions = function(resolutions) {
+    this.resolutions_ = resolutions;
+    return this;
+};
+
+/**
+ * @param {Array} layers the layers set on the map
+ * @return {ol.Map} This.
+ */
+ol.Map.prototype.setLayers = function(layers) {
+    this.layers_ = layers;
+    return this;
+};
+
 /**
 */
 ol.Map.prototype.destroy = function() {
     //remove layers, etc.
-    for (key in this) {
+    for (var key in this) {
         delete this[key];
     }
 };
diff --git a/test/spec/ol/Map.test.js b/test/spec/ol/Map.test.js
index 9e4905e61f..320414052f 100644
--- a/test/spec/ol/Map.test.js
+++ b/test/spec/ol/Map.test.js
@@ -83,7 +83,6 @@ describe("ol.Map", function() {
         var proj;
         
         // at construction
-        debugger;
         var map = ol.map({
             projection: ol.projection("EPSG:4326")
         });
@@ -174,4 +173,36 @@ describe("ol.Map", function() {
         
     });
     
+    it("allows setting the resolutions array", function() {
+        var map = ol.map();
+        map.resolutions([1,2,3]);
+            
+        var resolutions = map.resolutions();
+        expect(resolutions.length).toBe(3);
+        expect(resolutions[0]).toBe(1);
+        expect(resolutions[1]).toBe(2);
+        expect(resolutions[2]).toBe(3);
+    });
+    
+    it("resolutions array is mutable", function() {
+        var map = ol.map();
+        map.resolutions([1,2,3]);
+            
+        map.resolutions([10,9,8,7,6,5]);
+
+        var resolutions = map.resolutions();
+        expect(resolutions.length).toBe(6);
+        expect(resolutions[0]).toBe(10);
+        expect(resolutions[2]).toBe(8);
+        expect(resolutions[4]).toBe(6);
+    });
+    
+    it("has no layers by default", function() {
+        var map = ol.map();
+            
+        var layers = map.layers();
+        expect(layers).toBe(null);
+    });
+    
+    
 });