openlayers madness

[rails.git] / public / lib / OpenLayers / Tile.js

diff --git a/public/lib/OpenLayers/Tile.js b/public/lib/OpenLayers/Tile.js
new file mode 100644 (file)
index 0000000..eca7c0b
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+++ b/public/lib/OpenLayers/Tile.js
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+/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
+ * text of the license. */
+/*
+ * OpenLayers.Tile 
+ *
+ * @class This is a class designed to designate a single tile, however
+ * it is explicitly designed to do relatively little. Tiles store information
+ * about themselves -- such as the URL that they are related to, and their 
+ * size - but do not add themselves to the layer div automatically, for 
+ * example.
+ */
+OpenLayers.Tile = Class.create();
+OpenLayers.Tile.prototype = {
+    
+    /** @type OpenLayers.Layer */
+    layer: null,
+    
+    /** @type String url of the request */
+    url:null,
+
+    /** @type OpenLayers.Bounds */
+    bounds:null,
+    
+    /** @type OpenLayers.Size */
+    size:null,
+    
+    /** Top Left pixel of the tile
+    * @type OpenLayers.Pixel */
+    position:null,
+
+    /**
+    * @constructor
+    *
+    * @param {OpenLayers.Layer} layer
+    * @param {OpenLayers.Pixel} position
+    * @param {OpenLayers.Bounds} bounds
+    * @param {String} url
+    * @param {OpenLayers.Size} size
+    */   
+    initialize: function(layer, position, bounds, url, size) {
+        if (arguments.length > 0) {
+            this.layer = layer;
+            this.position = position;
+            this.bounds = bounds;
+            this.url = url;
+            this.size = size;
+        }
+    },
+    
+    /** nullify references to prevent circular references and memory leaks
+    */
+    destroy:function() {
+        this.layer  = null;
+        this.bounds = null;
+        this.size = null;
+    },
+
+    /**
+    */
+    draw:function() {
+
+    // HACK HACK - should we make it a standard to put this sort of warning
+    //             message in functions that are supposed to be overridden?
+    //
+    //        Log.warn(this.CLASS_NAME + ": draw() not implemented");
+
+    },
+
+    /** remove this tile from the ds
+    */
+    remove:function() {
+    },
+
+    /**
+    * @type OpenLayers.Pixel
+    */
+    getPosition: function() {
+        return this.position;
+    },
+    
+    /** @final @type String */
+    CLASS_NAME: "OpenLayers.Tile"
+};
+