--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/d3s_examples/python-neo4jrestclient/static/platin/js/Map/MapDataSource.js	Thu Oct 01 17:17:27 2015 +0200
@@ -0,0 +1,119 @@
+/*
+* MapDataSource.js
+*
+* Copyright (c) 2012, Stefan Jänicke. All rights reserved.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+* MA 02110-1301  USA
+*/
+
+/**
+ * @class MapDataSource
+ * implementation for aggregation of map items
+ * @author Stefan Jänicke (stjaenicke@informatik.uni-leipzig.de)
+ * @release 1.0
+ * @release date: 2012-07-27
+ * @version date: 2012-07-27
+ *
+ * @param {MapWidget} parent Widget
+ * @param {JSON} options map configuration
+ */
+function MapDataSource(parent, options) {
+
+    this.parent = parent;
+	this.olMap = parent.openlayersMap;
+	this.circleSets = [];
+	this.binning = new Binning(this.olMap, options);
+
+};
+
+MapDataSource.prototype = {
+
+	/**
+	 * initializes the MapDataSource
+	 * @param {MapObject[][]} mapObjects an array of map objects of different sets
+	 */
+	initialize : function(mapObjects) {
+
+		if (mapObjects != this.mapObjects) {
+			this.binning.reset();
+			this.binning.setObjects(mapObjects);
+		}
+		this.mapObjects = mapObjects;
+
+		var set = this.binning.getSet();
+		this.circleSets = set.circleSets;
+		this.binSets = set.binSets;
+		this.hashMapping = set.hashMaps;
+
+	},
+
+	getObjectsByZoom : function() {
+		var zoom = Math.floor(this.parent.getZoom());
+		if (this.circleSets.length < zoom) {
+			return null;
+		}
+		return this.circleSets[zoom];
+	},
+
+	getAllObjects : function() {
+		if (this.circleSets.length == 0) {
+			return null;
+		}
+		return this.circleSets;
+	},
+
+	getAllBins : function() {
+		if (this.binSets.length == 0) {
+			return null;
+		}
+		return this.binSets;
+	},
+
+	clearOverlay : function() {
+		var zoom = Math.floor(this.parent.getZoom());
+		var circles = this.circleSets[zoom];
+		for (var i in circles ) {
+			for (var j in circles[i] ) {
+				circles[i][j].reset();
+			}
+		}
+	},
+
+	setOverlay : function(mapObjects) {
+		var zoom = Math.floor(this.parent.getZoom());
+		for (var j in mapObjects ) {
+			for (var k in mapObjects[j] ) {
+				var o = mapObjects[j][k];
+				if (o.isGeospatial) {
+					this.hashMapping[zoom][j][o.index].overlayElements.push(o);
+					this.hashMapping[zoom][j][o.index].overlay += o.weight;
+				}
+			}
+		}
+	},
+
+	size : function() {
+		if (this.circleSets.length == 0) {
+			return 0;
+		}
+		return this.circleSets[0].length;
+	},
+
+	getCircle : function(index, id) {
+		var zoom = Math.floor(this.parent.getZoom());
+		return this.hashMapping[zoom][index][id];
+	}
+};