Adding jquery, flot and openlayers to be included with the GEM.v0.0.4

1 files changed, 172 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Layer/XYZ.js b/misc/openlayers/lib/OpenLayers/Layer/XYZ.js
new file mode 100644
index 0000000..5af5ce3
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Layer/XYZ.js
@@ -0,0 +1,172 @@
+/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
+ * full list of contributors). Published under the 2-clause BSD license.
+ * See license.txt in the OpenLayers distribution or repository for the
+ * full text of the license. */
+
+/**
+ * @requires OpenLayers/Layer/Grid.js
+ */
+
+/** 
+ * Class: OpenLayers.Layer.XYZ
+ * The XYZ class is designed to make it easier for people who have tiles
+ * arranged by a standard XYZ grid. 
+ * 
+ * Inherits from:
+ *  - <OpenLayers.Layer.Grid>
+ */
+OpenLayers.Layer.XYZ = OpenLayers.Class(OpenLayers.Layer.Grid, {
+    
+    /**
+     * APIProperty: isBaseLayer
+     * Default is true, as this is designed to be a base tile source. 
+     */
+    isBaseLayer: true,
+    
+    /**
+     * APIProperty: sphericalMercator
+     * Whether the tile extents should be set to the defaults for 
+     *    spherical mercator. Useful for things like OpenStreetMap.
+     *    Default is false, except for the OSM subclass.
+     */
+    sphericalMercator: false,
+
+    /**
+     * APIProperty: zoomOffset
+     * {Number} If your cache has more zoom levels than you want to provide
+     *     access to with this layer, supply a zoomOffset.  This zoom offset
+     *     is added to the current map zoom level to determine the level
+     *     for a requested tile.  For example, if you supply a zoomOffset
+     *     of 3, when the map is at the zoom 0, tiles will be requested from
+     *     level 3 of your cache.  Default is 0 (assumes cache level and map
+     *     zoom are equivalent).  Using <zoomOffset> is an alternative to
+     *     setting <serverResolutions> if you only want to expose a subset
+     *     of the server resolutions.
+     */
+    zoomOffset: 0,
+    
+    /**
+     * APIProperty: serverResolutions
+     * {Array} A list of all resolutions available on the server.  Only set this
+     *     property if the map resolutions differ from the server. This
+     *     property serves two purposes. (a) <serverResolutions> can include
+     *     resolutions that the server supports and that you don't want to
+     *     provide with this layer; you can also look at <zoomOffset>, which is
+     *     an alternative to <serverResolutions> for that specific purpose.
+     *     (b) The map can work with resolutions that aren't supported by
+     *     the server, i.e. that aren't in <serverResolutions>. When the
+     *     map is displayed in such a resolution data for the closest
+     *     server-supported resolution is loaded and the layer div is
+     *     stretched as necessary.
+     */
+    serverResolutions: null,
+
+    /**
+     * Constructor: OpenLayers.Layer.XYZ
+     *
+     * Parameters:
+     * name - {String}
+     * url - {String}
+     * options - {Object} Hashtable of extra options to tag onto the layer
+     */
+    initialize: function(name, url, options) {
+        if (options && options.sphericalMercator || this.sphericalMercator) {
+            options = OpenLayers.Util.extend({
+                projection: "EPSG:900913",
+                numZoomLevels: 19
+            }, options);
+        }
+        OpenLayers.Layer.Grid.prototype.initialize.apply(this, [
+            name || this.name, url || this.url, {}, options
+        ]);
+    },
+    
+    /**
+     * APIMethod: clone
+     * Create a clone of this layer
+     *
+     * Parameters:
+     * obj - {Object} Is this ever used?
+     * 
+     * Returns:
+     * {<OpenLayers.Layer.XYZ>} An exact clone of this OpenLayers.Layer.XYZ
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.XYZ(this.name,
+                                            this.url,
+                                            this.getOptions());
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
+
+        return obj;
+    },    
+
+    /**
+     * Method: getURL
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     *
+     * Returns:
+     * {String} A string with the layer's url and parameters and also the
+     *          passed-in bounds and appropriate tile size specified as
+     *          parameters
+     */
+    getURL: function (bounds) {
+        var xyz = this.getXYZ(bounds);
+        var url = this.url;
+        if (OpenLayers.Util.isArray(url)) {
+            var s = '' + xyz.x + xyz.y + xyz.z;
+            url = this.selectUrl(s, url);
+        }
+        
+        return OpenLayers.String.format(url, xyz);
+    },
+    
+    /**
+     * Method: getXYZ
+     * Calculates x, y and z for the given bounds.
+     *
+     * Parameters:
+     * bounds - {<OpenLayers.Bounds>}
+     *
+     * Returns:
+     * {Object} - an object with x, y and z properties.
+     */
+    getXYZ: function(bounds) {
+        var res = this.getServerResolution();
+        var x = Math.round((bounds.left - this.maxExtent.left) /
+            (res * this.tileSize.w));
+        var y = Math.round((this.maxExtent.top - bounds.top) /
+            (res * this.tileSize.h));
+        var z = this.getServerZoom();
+
+        if (this.wrapDateLine) {
+            var limit = Math.pow(2, z);
+            x = ((x % limit) + limit) % limit;
+        }
+
+        return {'x': x, 'y': y, 'z': z};
+    },
+    
+    /* APIMethod: setMap
+     * When the layer is added to a map, then we can fetch our origin 
+     *    (if we don't have one.) 
+     * 
+     * Parameters:
+     * map - {<OpenLayers.Map>}
+     */
+    setMap: function(map) {
+        OpenLayers.Layer.Grid.prototype.setMap.apply(this, arguments);
+        if (!this.tileOrigin) { 
+            this.tileOrigin = new OpenLayers.LonLat(this.maxExtent.left,
+                                                this.maxExtent.bottom);
+        }                                       
+    },
+
+    CLASS_NAME: "OpenLayers.Layer.XYZ"
+});