--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/d3s_examples/python-neo4jrestclient/static/platin/js/PieChart/PieChartGui.js	Thu Oct 01 17:17:27 2015 +0200
@@ -0,0 +1,151 @@
+/*
+* PieChartGui.js
+*
+* Copyright (c) 2013, Sebastian Kruse. 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 PieChartGui
+ * PieChart GUI Implementation
+ * @author Sebastian Kruse (skruse@mpiwg-berlin.mpg.de)
+ *
+ * @param {PieChartWidget} parent PieChart widget object
+ * @param {HTML object} div parent div to append the PieChart gui
+ * @param {JSON} options PieChart configuration
+ */
+function PieChartGui(pieChart, div, options) {
+
+	this.parent = pieChart;
+	this.options = options;
+	var pieChartGui = this;
+	
+	this.pieChartContainer = div;
+	this.pieChartContainer.style.position = 'relative';
+
+	this.columnSelectorDiv = document.createElement("div");
+	div.appendChild(this.columnSelectorDiv);
+	this.datasetSelect = document.createElement("select");
+	$(this.datasetSelect).change(function(event){
+		if (typeof pieChartGui.parent.datasets !== "undefined"){
+			var dataset = pieChartGui.parent.datasets[$(pieChartGui.datasetSelect).val()];
+			if (dataset.objects.length > 0){
+				//This implies that the dataObjects are homogenous
+				var firstObject = dataset.objects[0];
+				var firstTableContent = firstObject.tableContent;
+				$(pieChartGui.columnSelect).empty();
+				
+				$(pieChartGui.columnSelect).append("<optgroup label='saved'>");
+				
+				for(var key in localStorage){
+					//TODO: this is a somewhat bad idea, as it is used in multiple widgets.
+					//A global GeoTemCo option "prefix" could be better. But still..
+					var prefix = pieChartGui.options.localStoragePrefix;
+					if (key.startsWith(prefix)){
+						var saveObject = $.remember({name:key,json:true});
+						var label = key.substring(prefix.length);
+						//small safety-check: if the column is not part of this dataset, don't show it
+						if (typeof firstTableContent[saveObject.columnName] !== "undefined")
+							$(pieChartGui.columnSelect).append("<option isSaved=1 value='"+label+"'>"+decodeURIComponent(label)+"</option>");
+					}
+				}
+				$(pieChartGui.columnSelect).append("</optgroup>");
+				
+				$(pieChartGui.columnSelect).append("<optgroup label='new'>");
+			    for (var attribute in firstTableContent) {
+			    	$(pieChartGui.columnSelect).append("<option value='"+attribute+"'>"+attribute+"</option>");
+			    }
+			    if (firstObject.isTemporal)
+			    	$(pieChartGui.columnSelect).append("<option value='dates[0].date'>date</option>");
+			    if (typeof firstObject.locations[0] !== "undefined"){
+			    	$(pieChartGui.columnSelect).append("<option value='locations[0].latitude'>lat</option>");
+			    	$(pieChartGui.columnSelect).append("<option value='locations[0].longitude'>lon</option>");
+			    }
+				$(pieChartGui.columnSelect).append("</optgroup>");
+			}
+		}
+	});
+	this.columnSelectorDiv.appendChild(this.datasetSelect);
+	this.columnSelect = document.createElement("select");
+	this.columnSelectorDiv.appendChild(this.columnSelect);
+	this.buttonNewPieChart = document.createElement("button");
+	$(this.buttonNewPieChart).text("add");
+	this.columnSelectorDiv.appendChild(this.buttonNewPieChart);
+	$(this.buttonNewPieChart).click(function(){
+		//check if this is a local saved pie chart
+		var isSaved=$(pieChartGui.columnSelect).find("option:selected").first().attr("isSaved");
+		if ((typeof isSaved === "undefined") || (isSaved!=1)){
+			//create new pie chart (where each value is its own category)
+			pieChartGui.parent.addPieChart($(pieChartGui.datasetSelect).val(), $(pieChartGui.columnSelect).val());
+		} else {
+			//is local saved, get value
+			var name = pieChartGui.options.localStoragePrefix + $(pieChartGui.columnSelect).val();
+			var saveObject = $.remember({name:name,json:true});
+			if ((typeof saveObject !== "undefined") && (saveObject != null)){
+				var categories = saveObject.categories;
+				var type = saveObject.type;
+				var columnName = saveObject.columnName;
+				
+				//create pie chart
+				pieChartGui.parent.addCategorizedPieChart(
+						$(pieChartGui.datasetSelect).val(), columnName,
+						type, categories);				
+			}
+		}
+	});
+	this.buttonPieChartCategoryChooser = document.createElement("button");
+	$(this.buttonPieChartCategoryChooser).text("categorize");
+	this.columnSelectorDiv.appendChild(this.buttonPieChartCategoryChooser);
+	$(this.buttonPieChartCategoryChooser).click(function(){
+		//check if this is a local saved pie chart
+		var isSaved=$(pieChartGui.columnSelect).find("option:selected").first().attr("isSaved");
+		if ((typeof isSaved === "undefined") || (isSaved!=1)){
+			var chooser = new PieChartCategoryChooser(	pieChartGui.parent,
+					pieChartGui.options,
+					$(pieChartGui.datasetSelect).val(),
+					$(pieChartGui.columnSelect).val() );
+		} else {
+			alert("Saved datasets can not be categorized again. Try loading and editing instead.");
+		}
+	});
+	
+	this.refreshColumnSelector();
+	
+	this.pieChartsDiv = document.createElement("div");
+	this.pieChartsDiv.id = "pieChartsDivID";
+	div.appendChild(this.pieChartsDiv);
+	$(this.pieChartsDiv).height("100%");
+};
+
+PieChartGui.prototype = {
+		
+	refreshColumnSelector : function(){
+		$(this.datasetSelect).empty();
+		$(this.columnSelect).empty();
+		
+		if ( (typeof this.parent.datasets !== "undefined") && (this.parent.datasets.length > 0)) {
+			var index = 0;
+			var pieChartGui = this;
+			$(this.parent.datasets).each(function(){
+				$(pieChartGui.datasetSelect).append("<option value="+index+">"+this.label+"</option>");
+				index++;
+			});
+			
+			$(pieChartGui.datasetSelect).change();
+		}
+	}
+};
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