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

1 files changed, 385 insertions, 0 deletions

diff --git a/misc/openlayers/lib/OpenLayers/Format/GPX.js b/misc/openlayers/lib/OpenLayers/Format/GPX.js
new file mode 100644
index 0000000..16a8056
--- /dev/null
+++ b/misc/openlayers/lib/OpenLayers/Format/GPX.js
@@ -0,0 +1,385 @@
+/* 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/Format/XML.js
+ * @requires OpenLayers/Feature/Vector.js
+ * @requires OpenLayers/Geometry/Point.js
+ * @requires OpenLayers/Geometry/LineString.js
+ * @requires OpenLayers/Projection.js
+ */
+
+/**
+ * Class: OpenLayers.Format.GPX
+ * Read/write GPX parser. Create a new instance with the 
+ *     <OpenLayers.Format.GPX> constructor.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Format.XML>
+ */
+OpenLayers.Format.GPX = OpenLayers.Class(OpenLayers.Format.XML, {
+    
+
+    /** 
+     * APIProperty: defaultDesc
+     * {String} Default description for the waypoints/tracks in the case
+     *     where the feature has no "description" attribute.
+     *     Default is "No description available".
+     */
+    defaultDesc: "No description available",
+
+   /**
+    * APIProperty: extractWaypoints
+    * {Boolean} Extract waypoints from GPX. (default: true)
+    */
+    extractWaypoints: true,
+    
+   /**
+    * APIProperty: extractTracks
+    * {Boolean} Extract tracks from GPX. (default: true)
+    */
+    extractTracks: true,
+    
+   /**
+    * APIProperty: extractRoutes
+    * {Boolean} Extract routes from GPX. (default: true)
+    */
+    extractRoutes: true,
+    
+    /**
+     * APIProperty: extractAttributes
+     * {Boolean} Extract feature attributes from GPX. (default: true)
+     *     NOTE: Attributes as part of extensions to the GPX standard may not
+     *     be extracted.
+     */
+    extractAttributes: true,
+
+    /**
+     * Property: namespaces
+     * {Object} Mapping of namespace aliases to namespace URIs.
+     */
+    namespaces: {
+        gpx: "http://www.topografix.com/GPX/1/1",
+        xsi: "http://www.w3.org/2001/XMLSchema-instance"
+    },
+
+    /**
+     * Property: schemaLocation
+     * {String} Schema location. Defaults to
+     *  "http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd"
+     */
+    schemaLocation: "http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd",
+
+    /**
+     * APIProperty: creator
+     * {String} The creator attribute to be added to the written GPX files.
+     * Defaults to "OpenLayers"
+     */
+    creator: "OpenLayers",
+    
+    /**
+     * Constructor: OpenLayers.Format.GPX
+     * Create a new parser for GPX.
+     *
+     * Parameters:
+     * options - {Object} An optional object whose properties will be set on
+     *     this instance.
+     */
+    initialize: function(options) {
+        // GPX coordinates are always in longlat WGS84
+        this.externalProjection = new OpenLayers.Projection("EPSG:4326");
+
+        OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
+    },
+    
+    /**
+     * APIMethod: read
+     * Return a list of features from a GPX doc
+     *
+     * Parameters:
+     * doc - {Element} 
+     *
+     * Returns:
+     * Array({<OpenLayers.Feature.Vector>})
+     */
+    read: function(doc) {
+        if (typeof doc == "string") { 
+            doc = OpenLayers.Format.XML.prototype.read.apply(this, [doc]);
+        }
+        var features = [];
+        
+        if(this.extractTracks) {
+            var tracks = doc.getElementsByTagName("trk");
+            for (var i=0, len=tracks.length; i<len; i++) {
+                // Attributes are only in trk nodes, not trkseg nodes
+                var attrs = {};
+                if(this.extractAttributes) {
+                    attrs = this.parseAttributes(tracks[i]);
+                }
+                
+                var segs = this.getElementsByTagNameNS(tracks[i], tracks[i].namespaceURI, "trkseg");
+                for (var j = 0, seglen = segs.length; j < seglen; j++) {
+                    // We don't yet support extraction of trkpt attributes
+                    // All trksegs of a trk get that trk's attributes
+                    var track = this.extractSegment(segs[j], "trkpt");
+                    features.push(new OpenLayers.Feature.Vector(track, attrs));
+                }
+            }
+        }
+        
+        if(this.extractRoutes) {
+            var routes = doc.getElementsByTagName("rte");
+            for (var k=0, klen=routes.length; k<klen; k++) {
+                var attrs = {};
+                if(this.extractAttributes) {
+                    attrs = this.parseAttributes(routes[k]);
+                }
+                var route = this.extractSegment(routes[k], "rtept");
+                features.push(new OpenLayers.Feature.Vector(route, attrs));
+            }
+        }
+        
+        if(this.extractWaypoints) {
+            var waypoints = doc.getElementsByTagName("wpt");
+            for (var l = 0, len = waypoints.length; l < len; l++) {
+                var attrs = {};
+                if(this.extractAttributes) {
+                    attrs = this.parseAttributes(waypoints[l]);
+                }
+                var wpt = new OpenLayers.Geometry.Point(waypoints[l].getAttribute("lon"), waypoints[l].getAttribute("lat"));
+                features.push(new OpenLayers.Feature.Vector(wpt, attrs));
+            }
+        }
+        
+        if (this.internalProjection && this.externalProjection) {
+            for (var g = 0, featLength = features.length; g < featLength; g++) {
+                features[g].geometry.transform(this.externalProjection,
+                                    this.internalProjection);
+            }
+        }
+        
+        return features;
+    },
+    
+   /**
+    * Method: extractSegment
+    *
+    * Parameters:
+    * segment - {DOMElement} a trkseg or rte node to parse
+    * segmentType - {String} nodeName of waypoints that form the line
+    *
+    * Returns:
+    * {<OpenLayers.Geometry.LineString>} A linestring geometry
+    */
+    extractSegment: function(segment, segmentType) {
+        var points = this.getElementsByTagNameNS(segment, segment.namespaceURI, segmentType);
+        var point_features = [];
+        for (var i = 0, len = points.length; i < len; i++) {
+            point_features.push(new OpenLayers.Geometry.Point(points[i].getAttribute("lon"), points[i].getAttribute("lat")));
+        }
+        return new OpenLayers.Geometry.LineString(point_features);
+    },
+    
+    /**
+     * Method: parseAttributes
+     *
+     * Parameters:
+     * node - {<DOMElement>}
+     *
+     * Returns:
+     * {Object} An attributes object.
+     */
+    parseAttributes: function(node) {
+        // node is either a wpt, trk or rte
+        // attributes are children of the form <attr>value</attr>
+        var attributes = {};
+        var attrNode = node.firstChild, value, name;
+        while(attrNode) {
+            if(attrNode.nodeType == 1 && attrNode.firstChild) {
+                value = attrNode.firstChild;
+                if(value.nodeType == 3 || value.nodeType == 4) {
+                    name = (attrNode.prefix) ?
+                        attrNode.nodeName.split(":")[1] :
+                        attrNode.nodeName;
+                    if(name != "trkseg" && name != "rtept") {
+                        attributes[name] = value.nodeValue;
+                    }
+                }
+            }
+            attrNode = attrNode.nextSibling;
+        }
+        return attributes;
+    },
+
+    /**
+     * APIMethod: write
+     * Accepts Feature Collection, and returns a string. 
+     * 
+     * Parameters: 
+     * features - {Array(<OpenLayers.Feature.Vector>)} List of features to serialize into a string.
+     * metadata - {Object} A key/value pairs object to build a metadata node to
+     *      add to the gpx. Supported keys are 'name', 'desc', 'author'.
+     */
+    write: function(features, metadata) {
+        features = OpenLayers.Util.isArray(features) ?
+            features : [features];
+        var gpx = this.createElementNS(this.namespaces.gpx, "gpx");
+        gpx.setAttribute("version", "1.1");
+        gpx.setAttribute("creator", this.creator);
+        this.setAttributes(gpx, {
+            "xsi:schemaLocation": this.schemaLocation
+        });
+
+        if (metadata && typeof metadata == 'object') {
+            gpx.appendChild(this.buildMetadataNode(metadata));
+        }
+        for(var i=0, len=features.length; i<len; i++) {
+            gpx.appendChild(this.buildFeatureNode(features[i]));
+        }
+        return OpenLayers.Format.XML.prototype.write.apply(this, [gpx]);
+    },
+
+    /**
+     * Method: buildMetadataNode
+     * Creates a "metadata" node.
+     *
+     * Returns:
+     * {DOMElement}
+     */
+    buildMetadataNode: function(metadata) {
+        var types = ['name', 'desc', 'author'],
+            node = this.createElementNS(this.namespaces.gpx, 'metadata');
+        for (var i=0; i < types.length; i++) {
+            var type = types[i];
+            if (metadata[type]) {
+                var n = this.createElementNS(this.namespaces.gpx, type);
+                n.appendChild(this.createTextNode(metadata[type]));
+                node.appendChild(n);
+            }
+        }
+        return node;
+    },
+
+    /**
+     * Method: buildFeatureNode
+     * Accepts an <OpenLayers.Feature.Vector>, and builds a node for it.
+     * 
+     * Parameters:
+     * feature - {<OpenLayers.Feature.Vector>}
+     *
+     * Returns:
+     * {DOMElement} - The created node, either a 'wpt' or a 'trk'.
+     */
+    buildFeatureNode: function(feature) {
+        var geometry = feature.geometry;
+            geometry = geometry.clone();
+        if (this.internalProjection && this.externalProjection) {
+            geometry.transform(this.internalProjection, 
+                               this.externalProjection);
+        }
+        if (geometry.CLASS_NAME == "OpenLayers.Geometry.Point") {
+            var wpt = this.buildWptNode(geometry);
+            this.appendAttributesNode(wpt, feature);
+            return wpt;
+        } else {
+            var trkNode = this.createElementNS(this.namespaces.gpx, "trk");
+            this.appendAttributesNode(trkNode, feature);
+            var trkSegNodes = this.buildTrkSegNode(geometry);
+            trkSegNodes = OpenLayers.Util.isArray(trkSegNodes) ?
+                trkSegNodes : [trkSegNodes];
+            for (var i = 0, len = trkSegNodes.length; i < len; i++) {
+                trkNode.appendChild(trkSegNodes[i]);
+            }
+            return trkNode;
+        }
+    },
+
+    /**
+     * Method: buildTrkSegNode
+     * Builds trkseg node(s) given a geometry
+     *
+     * Parameters:
+     * trknode
+     * geometry - {<OpenLayers.Geometry>}
+     */
+    buildTrkSegNode: function(geometry) {
+        var node,
+            i,
+            len,
+            point,
+            nodes;
+        if (geometry.CLASS_NAME == "OpenLayers.Geometry.LineString" ||
+            geometry.CLASS_NAME == "OpenLayers.Geometry.LinearRing") {
+            node = this.createElementNS(this.namespaces.gpx, "trkseg");
+            for (i = 0, len=geometry.components.length; i < len; i++) {
+                point = geometry.components[i];
+                node.appendChild(this.buildTrkPtNode(point));
+            }
+            return node;
+        } else {
+            nodes = [];
+            for (i = 0, len = geometry.components.length; i < len; i++) {
+                nodes.push(this.buildTrkSegNode(geometry.components[i]));
+            }
+            return nodes;
+        }
+    },
+    
+    /**
+     * Method: buildTrkPtNode
+     * Builds a trkpt node given a point 
+     *
+     * Parameters:
+     * point - {<OpenLayers.Geometry.Point>}
+     *
+     * Returns:
+     * {DOMElement} A trkpt node
+     */
+    buildTrkPtNode: function(point) {
+        var node = this.createElementNS(this.namespaces.gpx, "trkpt");
+        node.setAttribute("lon", point.x);
+        node.setAttribute("lat", point.y);
+        return node;
+    },
+
+    /**
+     * Method: buildWptNode
+     * Builds a wpt node given a point
+     *
+     * Parameters:
+     * geometry - {<OpenLayers.Geometry.Point>}
+     *
+     * Returns:
+     * {DOMElement} A wpt node
+     */
+    buildWptNode: function(geometry) {
+        var node = this.createElementNS(this.namespaces.gpx, "wpt");
+        node.setAttribute("lon", geometry.x);
+        node.setAttribute("lat", geometry.y);
+        return node;
+    },
+
+    /**
+     * Method: appendAttributesNode
+     * Adds some attributes node.
+     *
+     * Parameters:
+     * node - {DOMElement} the node to append the attribute nodes to.
+     * feature - {<OpenLayers.Feature.Vector>}
+     */
+    appendAttributesNode: function(node, feature) {
+        var name = this.createElementNS(this.namespaces.gpx, 'name');
+        name.appendChild(this.createTextNode(
+            feature.attributes.name || feature.id));
+        node.appendChild(name);
+        var desc = this.createElementNS(this.namespaces.gpx, 'desc');
+        desc.appendChild(this.createTextNode(
+            feature.attributes.description || this.defaultDesc));
+        node.appendChild(desc);
+        // TBD - deal with remaining (non name/description) attributes.
+    },
+
+    CLASS_NAME: "OpenLayers.Format.GPX"
+});