n@1223: /*
n@1223: * Analysis script for WAET
n@1223: */
n@1223: 
n@1284: // Firefox does not have an XMLDocument.prototype.getElementsByName
n@1284: // and there is no searchAll style command, this custom function will
n@1284: // search all children recusrively for the name. Used for XSD where all
n@1284: // element nodes must have a name and therefore can pull the schema node
n@1284: XMLDocument.prototype.getAllElementsByName = function(name)
n@1284: {
n@1284:     name = String(name);
n@1284:     var selected = this.documentElement.getAllElementsByName(name);
n@1284:     return selected;
n@1284: }
n@1284: 
n@1284: Element.prototype.getAllElementsByName = function(name)
n@1284: {
n@1284:     name = String(name);
n@1284:     var selected = [];
n@1284:     var node = this.firstElementChild;
n@1284:     while(node != null)
n@1284:     {
n@1284:         if (node.getAttribute('name') == name)
n@1284:         {
n@1284:             selected.push(node);
n@1284:         }
n@1284:         if (node.childElementCount > 0)
n@1284:         {
n@1284:             selected = selected.concat(node.getAllElementsByName(name));
n@1284:         }
n@1284:         node = node.nextElementSibling;
n@1284:     }
n@1284:     return selected;
n@1284: }
n@1284: 
n@1284: XMLDocument.prototype.getAllElementsByTagName = function(name)
n@1284: {
n@1284:     name = String(name);
n@1284:     var selected = this.documentElement.getAllElementsByTagName(name);
n@1284:     return selected;
n@1284: }
n@1284: 
n@1284: Element.prototype.getAllElementsByTagName = function(name)
n@1284: {
n@1284:     name = String(name);
n@1284:     var selected = [];
n@1284:     var node = this.firstElementChild;
n@1284:     while(node != null)
n@1284:     {
n@1284:         if (node.nodeName == name)
n@1284:         {
n@1284:             selected.push(node);
n@1284:         }
n@1284:         if (node.childElementCount > 0)
n@1284:         {
n@1284:             selected = selected.concat(node.getAllElementsByTagName(name));
n@1284:         }
n@1284:         node = node.nextElementSibling;
n@1284:     }
n@1284:     return selected;
n@1284: }
n@1284: 
n@1284: // Firefox does not have an XMLDocument.prototype.getElementsByName
n@1284: if (typeof XMLDocument.prototype.getElementsByName != "function") {
n@1284:     XMLDocument.prototype.getElementsByName = function(name)
n@1284:     {
n@1284:         name = String(name);
n@1284:         var node = this.documentElement.firstElementChild;
n@1284:         var selected = [];
n@1284:         while(node != null)
n@1284:         {
n@1284:             if (node.getAttribute('name') == name)
n@1284:             {
n@1284:                 selected.push(node);
n@1284:             }
n@1284:             node = node.nextElementSibling;
n@1284:         }
n@1284:         return selected;
n@1284:     }
n@1284: }
n@1284: 
n@1284: var chartContext, testData;
n@1223: window.onload = function() {
n@1223:     // Load the Visualization API and the corechart package.
n@1284:     google.charts.load('current', {'packages':['corechart']});
n@1223:     chartContext = new Chart();
n@1284:     testData = new Data();
n@1284: }
n@1284: 
n@1284: function get(url) {
n@1284:   // Return a new promise.
n@1284:   return new Promise(function(resolve, reject) {
n@1284:     // Do the usual XHR stuff
n@1284:     var req = new XMLHttpRequest();
n@1284:     req.open('GET', url);
n@1284:     req.onload = function() {
n@1284:       // This is called even on 404 etc
n@1284:       // so check the status
n@1284:       if (req.status == 200) {
n@1284:         // Resolve the promise with the response text
n@1284:         resolve(req.response);
n@1284:       }
n@1284:       else {
n@1284:         // Otherwise reject with the status text
n@1284:         // which will hopefully be a meaningful error
n@1284:         reject(Error(req.statusText));
n@1284:       }
n@1284:     };
n@1284: 
n@1284:     // Handle network errors
n@1284:     req.onerror = function() {
n@1284:       reject(Error("Network Error"));
n@1284:     };
n@1284: 
n@1284:     // Make the request
n@1284:     req.send();
n@1284:   });
n@1223: }
n@1223: 
n@1227: function arrayMean(values) {
n@1227:     var mean = 0;
n@1227:     for (var value of values) {
n@1227:         mean += value;
n@1227:     }
n@1227:     mean /= values.length;
n@1227:     return mean;
n@1227: }
n@1227: 
n@1275: function percentile(values, p) {
n@1275:     //http://web.stanford.edu/class/archive/anthsci/anthsci192/anthsci192.1064/handouts/calculating%20percentiles.pdf
n@1227:     values.sort( function(a,b) {return a - b;} );
n@1227:     // get ordinal rank
n@1275:     var index = values.length*p/100;
n@1275:     var k = Math.floor(index);
n@1275:     if (k == index) {
n@1275:         return values[k];
n@1275:     } else {
n@1275:         var f = index-k;
n@1275:         var x_int = (1-f)*values[k]+f*values[k+1];
n@1275:         return x_int;
n@1275:     }
n@1227: }
n@1227: 
n@1227: function arrayMin(array) {
n@1227:     // Return the minimum value of an array
n@1227:     var min = array[0];
n@1227:     for (var value of array) {
n@1227:         if (value < min) {
n@1227:             min = value;
n@1227:         }
n@1227:     }
n@1227:     return min;
n@1227: }
n@1227: 
n@1227: function arrayMax(array) {
n@1227:     // Return the minimum value of an array
n@1227:     var max = array[0];
n@1227:     for (var value of array) {
n@1227:         if (value > max) {
n@1227:             max = value;
n@1227:         }
n@1227:     }
n@1227:     return max;
n@1227: }
n@1227: 
n@1273: function boxplotRow(array) {
n@1273:     // Take an array of element values and return array of computed intervals
n@1273:     var result = {
n@1287:         median : percentile(array,50),
n@1273:         pct25 : percentile(array,25),
n@1273:         pct75 : percentile(array,75),
n@1273:         IQR : null,
n@1273:         min: null,
n@1273:         max: null,
n@1273:         outliers: new Array()
n@1273:     }
n@1273:     result.IQR = result.pct75-result.pct25;
n@1273:     var rest = [];
n@1273:     var pct75_IQR = result.pct75+1.5*result.IQR;
n@1273:     var pct25_IQR = result.pct25-1.5*result.IQR;
n@1273:     for (var i=0; i<array.length; i++) {
n@1273:         //outliers, ranger above pct75+1.5*IQR or below pct25-1.5*IQR
n@1273:         var point = array[i];
n@1273:         if (point > pct75_IQR || point < pct25_IQR) {
n@1273:             result.outliers.push(point);
n@1273:         } else {
n@1273:             rest.push(point);
n@1273:         }
n@1273:     }
n@1273:     result.max = arrayMax(rest);
n@1273:     result.min = arrayMin(rest);
n@1273:     return result;
n@1273:     
n@1273: }
n@1273: 
n@1227: function arrayHistogram(values,steps,min,max) {
n@1227:     if (steps == undefined) {
n@1227:         steps = 0.25;
n@1227:         console.log("Warning: arrayHistogram called without steps size set, default to 0.25");
n@1227:     }
n@1227:     if (min == undefined) {min = arrayMin(values);}
n@1227:     if (max == undefined) {max = arrayMax(values);}
n@1227:     var histogram = [];
n@1227:     var index = min;
n@1227:     while(index < max) {
n@1227:         histogram.push({
n@1227:             marker: index,
n@1227:             lt: index,
n@1227:             rt: index+steps,
n@1227:             count: 0
n@1227:         });
n@1227:         index += steps;
n@1227:     }
n@1227:     for (var value of values) {
n@1227:         for (var entry of histogram) {
n@1227:             if (value >= entry.lt && value <= entry.rt) {
n@1227:                 entry.count++;
n@1227:                 break;
n@1227:             }
n@1227:         }
n@1227:     }
n@1227:     return histogram;
n@1227: }
n@1227: 
n@1223: function Chart() {
n@1284:     this.valueData;
n@1227:     this.charts = [];
n@1223:     
n@1227:     this.chartObject = function(name) {
n@1227:         // Create the charting object
n@1227:         this.name = name;
n@1227:         this.root = document.createElement("div");
n@1227:         this.root.className = "chart-holder";
n@1227:         this.root.setAttribute("name",name);
n@1227:         this.chartDOM = document.createElement("div");
n@1227:         this.tableDOM = document.createElement("div");
n@1227:         this.latexDOM = document.createElement("div");
n@1227:         this.downloadDOM = document.createElement("div");
n@1227:         this.chart = undefined;
n@1227:         this.data = new google.visualization.DataTable();
n@1227:         this.options = {};
n@1227:         this.print = document.createElement("button");
n@1228:         this.sortDataButton = document.createElement("button");
n@1228:         this.sortDataButton.textContent = "Sort by Data";
n@1228:         this.sortDataButton.addEventListener("click",this);
n@1228:         this.sortDataButton.setAttribute("name","sort-data");
n@1228:         this.sortNameButton = document.createElement("button");
n@1228:         this.sortNameButton.textContent = "Sort by Name";
n@1228:         this.sortNameButton.addEventListener("click",this);
n@1228:         this.sortNameButton.setAttribute("name","sort-name");
n@1228:         this.draw = function() {
n@1228:             if (this.chart == undefined) {return;}
n@1228:             this.tableDOM.innerHTML = null;
n@1228:             this.latexDOM.innerHTML = null;
n@1228:             this.buildTable();
n@1228:             this.writeLatex();
n@1228:             this.chart.draw(this.data,this.options);
n@1228:         }
n@1228:         this.sortData = function() {
n@1265:             this.data.sort(1);
n@1228:         }
n@1228:         this.sortName = function() {
n@1265:             this.data.sort(0);
n@1228:         }
n@1227:         this.handleEvent = function() {
n@1227:             // Only used to handle the chart.event.addListener(this,'ready') callback
n@1228:             switch(event.currentTarget.getAttribute("name"))
n@1228:             {
n@1228:                 case "download":
n@1228:                     window.open(this.chart.getImageURI());
n@1228:                     break;
n@1228:                 case "sort-data":
n@1228:                     this.sortData();
n@1228:                     this.draw();
n@1228:                     break;
n@1228:                 case "sort-name":
n@1228:                     this.sortName();
n@1228:                     this.draw();
n@1228:                     break;
n@1228:             }
n@1227:         }
n@1227:         
n@1227:         this.root.appendChild(this.chartDOM);
n@1227:         this.root.appendChild(this.tableDOM);
n@1227:         this.root.appendChild(this.latexDOM);
n@1228:         this.root.appendChild(this.sortDataButton);
n@1228:         this.root.appendChild(this.sortNameButton);
n@1227:         this.root.appendChild(this.print);
n@1227:         this.print.textContent = "Download";
n@1228:         this.print.setAttribute("name","download");
n@1227:         this.print.addEventListener("click",this);
n@1227:         this.root.appendChild(this.downloadDOM);
n@1227:         this.buildTable = function() {
n@1227:             var table = document.createElement("table");
n@1227:             table.border = "1";
n@1264:             var numRows = this.data.getNumberOfRows();
n@1264:             var numColumns = this.data.getNumberOfColumns();
n@1264:             for (var columnIndex=0; columnIndex<numColumns; columnIndex++)
n@1264:             {
n@1273:                 var tableTitle = this.data.getColumnLabel(columnIndex);
n@1273:                 if (tableTitle != "") {
n@1273:                     var table_row = document.createElement('tr');
n@1273:                     table.appendChild(table_row);
n@1273:                     var row_title = document.createElement('td');
n@1273:                     table_row.appendChild(row_title);
n@1273:                     row_title.textContent = tableTitle;
n@1273:                     for (var rowIndex=0; rowIndex<numRows; rowIndex++)
n@1264:                     {
n@1273:                         var row_entry = document.createElement('td');
n@1273:                         table_row.appendChild(row_entry);
n@1273:                         var entry = this.data.getValue(rowIndex,columnIndex);
n@1273:                         if (isFinite(Number(entry)))
n@1273:                         {
n@1273:                             entry = String(Number(entry).toFixed(4));
n@1273:                         }
n@1273:                         row_entry.textContent = entry;
n@1264:                     }
n@1227:                 }
n@1227:             }
n@1227:             this.tableDOM.appendChild(table);
n@1227:         };
n@1227:         this.writeLatex = function() {
n@1264:             var numRows = this.data.getNumberOfRows();
n@1264:             var numColumns = this.data.getNumberOfColumns();
n@1227:             var root = document.createElement("div");
n@1227:             root.className = "code";
n@1227:             var holder = document.createElement("pre");
n@1227:             // Table start
n@1227:             var start = document.createElement("p");
n@1227:             start.textContent = "\\" + "begin{tabular}{|l|";
n@1227:             holder.appendChild(start);
n@1264:             for (var i=0; i<numRows; i++) {
n@1227:                 start.textContent = start.textContent+"c|";
n@1227:             }
n@1228:             start.textContent = start.textContent.concat("}");
n@1227:             // Now write the rows:
n@1264:             for (var rIndex=0; rIndex<numColumns; rIndex++) {
n@1273:                 var tableTitle = this.data.getColumnLabel(rIndex);
n@1273:                 if(tableTitle != "")
n@1273:                 {
n@1273:                     var row = document.createElement("p");
n@1273:                     row.textContent = tableTitle.concat(" & ");
n@1273:                     for (var cIndex=0; cIndex<numRows; cIndex++) {
n@1273:                         var entry = this.data.getValue(cIndex,rIndex);
n@1273:                         if (isFinite(Number(entry)))
n@1273:                         {
n@1273:                             entry = String(Number(entry).toFixed(4));
n@1273:                         }
n@1273:                         row.textContent = row.textContent.concat(entry);
n@1273:                         if (cIndex < numRows-1) {
n@1273:                             row.textContent = row.textContent.concat(" & ");
n@1273:                         } else {
n@1273:                             row.textContent = row.textContent.concat(" \\\\ \\hline");
n@1273:                         }
n@1264:                     }
n@1273:                     holder.appendChild(row);
n@1227:                 }
n@1227:             }
n@1227:             // Table end
n@1227:             var end = document.createElement("p");
n@1227:             end.textContent = "\\" + "end{tabular}";
n@1227:             holder.appendChild(end);
n@1227:             root.appendChild(holder);
n@1227:             this.latexDOM.appendChild(root);
n@1227:         }
n@1227:     }
n@1227:     
n@1227:     this.clear = function() {
n@1227:         var inject = document.getElementById("test-pages");
n@1227:         for (var chart of this.charts) {
n@1227:             inject.removeChild(chart.root);
n@1227:         }
n@1227:         this.charts = [];
n@1227:     }
n@1227:     
n@1227:     this.drawTestMean = function() {
n@1227:         // This draws one bargraph per axis with every test element on
n@1227:         if (this.valueData == null) {
n@1227:             console.log("Error - Data not loaded");
n@1227:             return;
n@1227:         }
n@1227:         var chartList = [];
n@1227:         
n@1227:         // Create the data table
n@1227:         for (var page of this.valueData.pages) {
n@1227:             for (var element of page.elements) {
n@1227:                 for (var axis of element.axis) {
n@1227:                     // Find the axis
n@1227:                     var axisChart = chartList.find(function(element,index,array){
n@1227:                         if (element.name == this) {return true;} else {return false;}
n@1273:                     },"mean-test-"+axis.name);
n@1227:                     if (axisChart == null) {
n@1273:                         axisChart = new this.chartObject("mean-test-"+axis.name);
n@1227:                         axisChart.options = {
n@1227:                             'title':'Mean of axis: '+axis.name,
n@1227:                             'width':window.innerWidth*0.9,
n@1227:                             'height':(window.innerWidth*0.9)/1.77
n@1227:                         }
n@1227:                         axisChart.data.addColumn('string','id');
n@1227:                         axisChart.data.addColumn('number',axis.name);
n@1227:                         chartList.push(axisChart);
n@1227:                         document.getElementById("test-pages").appendChild(axisChart.root);
n@1227:                     }
n@1227:                     var mean = arrayMean(axis.values);
n@1227:                     axisChart.data.addRow([element.id,mean]);
n@1227:                 }
n@1227:             }
n@1227:         }
n@1227:         
n@1227:         // Build and push charts
n@1227:         for (var chart of chartList) {
n@1227:             chart.chart = new google.visualization.ColumnChart(chart.chartDOM);
n@1227:             chart.chart.draw(chart.data,chart.options);
n@1227:             chart.buildTable();
n@1227:             chart.writeLatex();
n@1227:             this.charts.push(chart);
n@1227:         }
n@1227:     }
n@1227:     
n@1273:     this.drawTestBoxplot = function() {
n@1273:         if (this.valueData == null) {
n@1273:             console.log("Error - Data not loaded");
n@1273:             return;
n@1273:         }
n@1273:         var chartList = [];
n@1273:         
n@1273:         // Creates one chart per axis
n@1273:         
n@1273:         // Create the data table
n@1273:         for (var page of this.valueData.pages) {
n@1273:             for (var element of page.elements) {
n@1273:                 for (var axis of element.axis) {
n@1273:                     // Find the axis
n@1273:                     var axisChart = chartList.find(function(element,index,array){
n@1273:                         if (element.name == this) {return true;} else {return false;}
n@1273:                     },"boxplot-test-"+axis.name);
n@1273:                     if (axisChart == null) {
n@1273:                         // Axis chart doesn't exist
n@1273:                         axisChart = new this.chartObject("boxplot-test-"+axis.name);
n@1273:                         axisChart.options = {
n@1273:                             'title':'Boxplot of axis '+axis.name,
n@1273:                             'width':window.innerWidth*0.9,
n@1273:                             'height':(window.innerWidth*0.9)/1.77,
n@1273:                             legend: {position: 'none'},
n@1273:                             lineWidth: 0,
n@1273:                             series: [{'color': '#D3362D'}],
n@1273:                             intervals: {
n@1273:                                 barWidth: 1,
n@1273:                                 boxWidth: 1,
n@1273:                                 lineWidth: 2,
n@1273:                                 style: 'boxes'
n@1273:                             },
n@1273:                             interval: {
n@1273:                                 max: {
n@1273:                                     style: 'bars',
n@1273:                                     fillOpacity: 1,
n@1273:                                     color: '#777'
n@1273:                                 },
n@1273:                                 min: {
n@1273:                                     style: 'bars',
n@1273:                                     fillOpacity: 1,
n@1273:                                     color: '#777'
n@1273:                                 }
n@1273:                             }
n@1273:                         };
n@1273:                         axisChart.data.addColumn('string','id');
n@1273:                         axisChart.data.addColumn('number','median');
n@1273:                         axisChart.data.addColumn({id:'max',type:'number',role:'interval'});
n@1273:                         axisChart.data.addColumn({id:'min',type:'number',role:'interval'});
n@1273:                         axisChart.data.addColumn({id:'firstQuartile',type:'number',role:'interval'});
n@1273:                         axisChart.data.addColumn({id:'median',type:'number',role:'interval'});
n@1273:                         axisChart.data.addColumn({id:'thirdQuartile',type:'number',role:'interval'});
n@1273:                         chartList.push(axisChart);
n@1273:                         document.getElementById("test-pages").appendChild(axisChart.root);
n@1273:                     }
n@1273:                     var result = boxplotRow(axis.values);
n@1273:                     axisChart.data.addRow([element.id,result.median,result.max,result.min,result.pct25,result.median,result.pct75]);
n@1273:                 }
n@1273:             }
n@1273:         }
n@1273:         // Build and push charts
n@1273:         for (var chart of chartList) {
n@1273:             chart.chart = new google.visualization.LineChart(chart.chartDOM);
n@1273:             chart.chart.draw(chart.data,chart.options);
n@1273:             chart.buildTable();
n@1273:             chart.writeLatex();
n@1273:             this.charts.push(chart);
n@1273:         }
n@1273:     }
n@1273:     
n@1227:     this.drawPageMean = function() {
n@1223:         // First we must get the value data
n@1226:         if (this.valueData == null) {
n@1226:             console.log("Error - Data not loaded");
n@1226:             return;
n@1226:         }
n@1226:         // We create one plot per page
n@1226:         for (var page of this.valueData.pages) {
n@1227:             
n@1227:             // Create the chart resulting point
n@1227:             var chart = new this.chartObject("mean-page-"+page.id);
n@1227:             document.getElementById("test-pages").appendChild(chart.root);
n@1226:             
n@1226:             // Create the data table
n@1227:             chart.data.addColumn('string','id');
n@1226:             // Get axis labels
n@1226:             for (var axis of page.elements[0].axis) {
n@1227:                 chart.data.addColumn('number',axis.name);
n@1226:             }
n@1226:             var rows = []; // Rows is an array of tuples [col1, col2, col3 ... colN];
n@1226:             for (var element of page.elements) {
n@1226:                 var entry = [element.id];
n@1226:                 for (var i=0; i<page.elements[0].axis.length; i++) {
n@1226:                     var mean =0;
n@1226:                     if (i < element.axis.length) {
n@1226:                         var axis = element.axis[i];
n@1227:                         mean = arrayMean(axis.values);
n@1226:                     }
n@1226:                     entry.push(mean);
n@1226:                 }
n@1226:                 rows.push(entry);
n@1226:             }
n@1227:             chart.data.addRows(rows);
n@1227:             chart.options = {
n@1227:                 'title':'Mean of page: '+page.id,
n@1227:                 'width':800,
n@1227:                 'height':700
n@1227:             }
n@1226:             // Draw the chart
n@1227:             chart.chart = new google.visualization.ColumnChart(chart.chartDOM);
n@1227:             chart.chart.draw(chart.data,chart.options);
n@1227:             chart.buildTable();
n@1227:             chart.writeLatex();
n@1227:             this.charts.push(chart);
n@1227:         }
n@1227:     }
n@1227:     
n@1227:     this.drawElementHistogram = function() {
n@1227:         // First we must get the value data
n@1227:         if (this.valueData == null) {
n@1227:             console.log("Error - Data not loaded");
n@1227:             return;
n@1227:         }
n@1227:         // We create one plot per element, enjoy...
n@1227:         for (var page of this.valueData.pages) {
n@1227:             for (var element of page.elements) {
n@1227:                 // Build the chart object
n@1227:                 var chart = new this.chartObject("histogram-element-"+element.id);
n@1227:                 document.getElementById("test-pages").appendChild(chart.root);
n@1227:                 chart.data.addColumn('string','index');
n@1227:                 var histograms = [];
n@1227:                 for (var axis of element.axis) {
n@1227:                     chart.data.addColumn('number',axis.name);
n@1227:                     histograms.push(arrayHistogram(axis.values,0.125,0.0,1.0));
n@1227:                 }
n@1227:                 for (var axis of element.axis) {
n@1227:                     for (var i=0; i<histograms[0].length; i++)
n@1227:                     {
n@1227:                         var entry = [""+histograms[0][i].lt.toPrecision(2)+"-"+histograms[0][i].rt.toPrecision(3)]
n@1227:                         for (var histogram of histograms) {
n@1227:                             entry.push(histogram[i].count);
n@1227:                         }
n@1227:                         chart.data.addRow(entry);
n@1227:                     }
n@1227:                 }
n@1227:                 chart.options = {
n@1227:                     'title':'Histogram of element: '+element.id,
n@1227:                     'width':800,
n@1227:                     'height':700,
n@1227:                     'bar':{'groupWidth': '100%'}
n@1227:                 }
n@1227:                 // Draw the chart
n@1227:                 chart.chart = new google.visualization.ColumnChart(chart.chartDOM);
n@1227:                 chart.chart.draw(chart.data,chart.options);
n@1227:                 chart.buildTable();
n@1227:                 chart.writeLatex();
n@1227:                 this.charts.push(chart);
n@1227:             }
n@1226:         }
n@1223:     }
n@1284: }
n@1284: 
n@1284: function Data() {
n@1284:     // This holds the link between the server side calculations and the client side visualisation of the data
n@1284:     
n@1284:     // Dynamically generate the test filtering / page filterting tools
n@1284:     var self = this;
n@1284:     // Collect the test types and counts
n@1284:     this.testSavedDiv = document.getElementById("test-saved");
n@1284:     this.testSaves = null;
n@1284:     this.selectURL = null;
n@1285:     
n@1284:     this.specification = new Specification();
n@1284:     get("../test-schema.xsd").then(function(response){
n@1284:         var parse = new DOMParser();
n@1284:         self.specification.schema = parse.parseFromString(response,'text/xml');
n@1284:     },function(error){
n@1284:         console.log("ERROR: Could not get Test Schema");
n@1284:     });
n@1284:     this.update = function(url) {
n@1284:         var self = this;
n@1284:     }
n@1285:     
n@1285:     this.updateData = function(req_str) {
n@1285:         // Now go get that data
n@1285:         get(req_str).then(function(response){
n@1285:             // Returns the data
n@1285:             chartContext.valueData = JSON.parse(response);
n@1285:         },function(error){console.error(error);});
n@1285:     }
n@1284: }
n@1284: 
n@1284: var interfaceContext = new function() {
n@1284:     // This creates the interface for the user to connect with the dynamic back-end to retrieve data
n@1284:     this.rootDOM = document.createElement("div");
n@1285:     this.getDataButton = {
n@1285:         button: document.createElement("button"),
n@1285:         parent: this,
n@1285:         handleEvent: function(event) {
n@1285:             // Get the list of files:
n@1285:             var req_str = "../scripts/get_filtered_score.php"+this.parent.getFilterString();
n@1285:             testData.updateData(req_str);
n@1285:         }
n@1285:     }
n@1285:     this.getDataButton.button.textContent = "Get Filtered Data";
n@1285:     this.getDataButton.button.addEventListener("click",this.getDataButton);
n@1285:     
n@1287:     this.testSaves = {
n@1287:         json: null,
n@1287:         selectedURL: null,
n@1287:         inputs: [],
n@1287:         parent: this
n@1287:     };
n@1287:     this.init = function() {
n@1287:         var self = this;
n@1287:         get('../scripts/get_tests.php?format=JSON').then(function(response){
n@1287:             document.getElementById("test-saved").innerHTML = null;
n@1287:             var table = document.createElement("table");
n@1287:             table.innerHTML = "<tr><td>Test Filename</td><td>Count</td><td>Include</td></tr>";
n@1287:             self.testSaves.json = JSON.parse(response);
n@1287:             for (var test of self.testSaves.json.tests) {
n@1287:                 var tableRow = document.createElement("tr");
n@1287:                 var tableRowFilename = document.createElement("td");
n@1287:                 tableRowFilename.textContent = test.testName;
n@1287:                 var tableRowCount = document.createElement("td");
n@1287:                 tableRowCount.textContent = test.files.length;
n@1287:                 tableRow.appendChild(tableRowFilename);
n@1287:                 tableRow.appendChild(tableRowCount);
n@1287:                 var tableRowInclude = document.createElement("td");
n@1287:                 var obj = {
n@1287:                     root: document.createElement("input"),
n@1287:                     parent: self.testSaves,
n@1287:                     handleEvent: function(event) {
n@1287:                         this.parent.selectedURL = event.currentTarget.getAttribute("source");
n@1287:                         var self = this;
n@1287:                         get(this.parent.selectedURL).then(function(response){
n@1287:                             var parse = new DOMParser();
n@1287:                             testData.specification.decode(parse.parseFromString(response,'text/xml'));
n@1287:                             self.parent.parent.generateFilters(testData.specification);
n@1287:                             self.parent.parent.getFileCount();
n@1287:                             return true;
n@1287:                         },function(error){
n@1287:                             console.log("ERROR: Could not get"+url);
n@1287:                             return false;
n@1287:                         });
n@1287:                     }
n@1287:                 }
n@1287:                 obj.root.type = "radio";
n@1287:                 obj.root.name = "test-include";
n@1287:                 obj.root.setAttribute("source",test.testName);
n@1287:                 obj.root.addEventListener("change",obj);
n@1287:                 tableRowInclude.appendChild(obj.root);
n@1287:                 tableRow.appendChild(tableRowInclude);
n@1287:                 table.appendChild(tableRow);
n@1287:                 self.testSaves.inputs.push(obj);
n@1287:             }
n@1287:             document.getElementById("test-saved").appendChild(table);
n@1287:         },function(error){console.error(error);});
n@1287:     }
n@1287:     
n@1284:     this.filterDOM = document.createElement("div");
n@1284:     this.filterDOM.innerHTML = "<p>PreTest Filters</p><div id='filter-count'></div>";
n@1284:     this.filterObjects = [];
n@1284:     this.generateFilters = function(specification) {
n@1284:         // Filters are based on the pre and post global surverys
n@1284:         var FilterObject = function(parent,specification) {
n@1284:             this.parent = parent;
n@1284:             this.specification = specification;
n@1284:             this.rootDOM = document.createElement("div");
n@1284:             this.rootDOM.innerHTML = "<span>ID: "+specification.id+", Type: "+specification.type+"</span>";
n@1284:             this.rootDOM.className = "filter-entry";
n@1284:             this.handleEvent = function(event) {
n@1284:                 switch(this.specification.type) {
n@1284:                     case "number":
n@1284:                         var name = event.currentTarget.name;
n@1284:                         eval("this."+name+" = event.currentTarget.value");
n@1284:                         break;
n@1284:                     case "checkbox":
n@1284:                         break;
n@1284:                     case "radio":
n@1284:                         break;
n@1284:                 }
n@1284:                 this.parent.getFileCount();
n@1284:             }
n@1284:             this.getFilterPairs = function() {
n@1284:                 var pairs = [];
n@1284:                 switch(this.specification.type) {
n@1284:                     case "number":
n@1284:                         if (this.min != "") {
n@1284:                             pairs.push([specification.id+"-min",this.min]);
n@1284:                         }
n@1284:                         if (this.max != "") {
n@1284:                             pairs.push([specification.id+"-max",this.max]);
n@1284:                         }
n@1284:                         break;
n@1284:                     case "radio":
n@1284:                     case "checkbox":
n@1284:                         for (var i=0; i<this.options.length; i++) {
n@1284:                             if (!this.options[i].checked) {
n@1284:                                 pairs.push([specification.id+"-exclude-"+i,specification.options[i].name]);
n@1284:                             }
n@1284:                         }
n@1284:                         break;
n@1284:                 }
n@1284:                 return pairs;
n@1284:             }
n@1284:             switch(specification.type) {
n@1284:                 case "number":
n@1284:                     // Number can be ranged by min/max levels
n@1284:                     this.min = "";
n@1284:                     this.max = "";
n@1284:                     this.minDOM = document.createElement("input");
n@1284:                     this.minDOM.type = "number";
n@1284:                     this.minDOM.name = "min";
n@1284:                     this.minDOM.addEventListener("change",this);
n@1284:                     this.minDOMText = document.createElement("span");
n@1284:                     this.minDOMText.textContent = "Minimum: ";
n@1284:                     var pairHolder = document.createElement("div");
n@1284:                     pairHolder.appendChild(this.minDOMText);
n@1284:                     pairHolder.appendChild(this.minDOM);
n@1284:                     this.rootDOM.appendChild(pairHolder);
n@1284:                     
n@1284:                     this.maxDOM = document.createElement("input");
n@1284:                     this.maxDOM.type = "number";
n@1284:                     this.maxDOM.name = "max";
n@1284:                     this.maxDOM.addEventListener("change",this);
n@1284:                     this.maxDOMText = document.createElement("span");
n@1284:                     this.maxDOMText.textContent = "Maximum: ";
n@1284:                     var pairHolder = document.createElement("div");
n@1284:                     pairHolder.appendChild(this.maxDOMText);
n@1284:                     pairHolder.appendChild(this.maxDOM);
n@1284:                     this.rootDOM.appendChild(pairHolder);
n@1284:                     break;
n@1284:                 case "radio":
n@1284:                 case "checkbox":
n@1284:                     this.options = [];
n@1284:                     for (var i=0; i<specification.options.length; i++) {
n@1284:                         var option = specification.options[i];
n@1284:                         var pairHolder = document.createElement("div");
n@1284:                         var text = document.createElement("span");
n@1284:                         text.textContent = option.text;
n@1284:                         var check = document.createElement("input");
n@1284:                         check.type = "checkbox";
n@1284:                         check.setAttribute("option-index",i);
n@1284:                         check.checked = true;
n@1284:                         check.addEventListener("click",this);
n@1284:                         this.options.push(check);
n@1284:                         pairHolder.appendChild(text);
n@1284:                         pairHolder.appendChild(check);
n@1284:                         this.rootDOM.appendChild(pairHolder);
n@1284:                     }
n@1284:                     break;
n@1284:                 default:
n@1284:                     break;
n@1284:             }
n@1284:         }
n@1287:         for (var survey_entry of specification.preTest.options.concat(specification.postTest.options)) {
n@1284:             switch(survey_entry.type) {
n@1284:                 case "number":
n@1284:                 case "radio":
n@1284:                 case "checkbox":
n@1284:                     var node = new FilterObject(this,survey_entry);
n@1284:                     this.filterObjects.push(node);
n@1284:                     this.filterDOM.appendChild(node.rootDOM);
n@1284:                     break;
n@1284:                 default:
n@1284:                     break;
n@1284:             }
n@1284:         }
n@1284:         document.getElementById("test-saved").appendChild(this.filterDOM);
n@1285:         document.getElementById("test-saved").appendChild(this.getDataButton.button);
n@1284:     }
n@1285:     this.getFilterString = function() {
n@1284:         var pairs = [];
n@1284:         for (var obj of this.filterObjects) {
n@1284:             pairs = pairs.concat(obj.getFilterPairs());
n@1284:         }
n@1287:         var req_str = "?url="+this.testSaves.selectedURL;
n@1284:         var index = 0;
n@1284:         while(pairs[index] != undefined) {
n@1284:             req_str += '&';
n@1284:             req_str += pairs[index][0]+"="+pairs[index][1];
n@1284:             index++;
n@1284:         }
n@1285:         return req_str;
n@1285:     }
n@1285:     this.getFilteredUrlArray = function() {
n@1285:         var req_str = "../scripts/get_filtered_count.php"+this.getFilterString();
n@1285:         return get(req_str).then(function(response){
n@1284:             var urls = JSON.parse(response);
n@1285:             return urls.urls;
n@1285:         },function(error){
n@1285:             console.error(error);
n@1285:         });
n@1285:     }
n@1285:     this.getFileCount = function() {
n@1285:         // First we must get the filter pairs
n@1285:         this.getFilteredUrlArray().then(function(response){
n@1285:             var str = "Filtered to "+response.length+" file";
n@1285:             if (response.length != 1) {
n@1284:                 str += "s.";
n@1284:             } else {
n@1284:                 str += ".";
n@1284:             }
n@1284:             document.getElementById("filter-count").textContent = str;
n@1285:         },function(error){});
n@1284:     }
n@1287:     
n@1287:     this.init();
n@1223: }