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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<title>Title</title>
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<! Javascript Here>
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<script type="text/javascript">
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function offsetLabels(labels, offset)
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{
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var copy = new Array();
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for (key in labels) {
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copy[key] = new Array(labels[key][0] + 0.25, labels[key][1]);
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}
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return copy;
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}
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function createLogDataSet(inDataSet)
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{
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var logDataSet = {};
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logDataSet.label = inDataSet.label;
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logDataSet.data = [];
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if (!inDataSet.data)
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return logDataSet;
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var length = inDataSet.data.length;
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for (var i = 0; i < length; i++) {
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logDataSet.data[i] = [];
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logDataSet.data[i][0] = inDataSet.data[i][0];
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logDataSet.data[i][1] = Math.log(inDataSet.data[i][1]);
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}
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return logDataSet;
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}
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function createLogData(inData)
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{
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var logData = [];
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// foreach data set;
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var length = inData.length;
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for (var i = 0; i < length; ++i) {
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logData[i] = createLogDataSet(inData[i]);
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}
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return logData;
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}
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function createChart() {
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// alert("create chart" + this.chartId)
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var dataSet;
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if (this.useLinearScale)
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dataSet = this.selectedDataset;
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else
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dataSet = createLogData(this.selectedDataset);
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if (this.useLineChart) {
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var f = Flotr.draw($(this.chartId),
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dataSet,
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{ legend:{ backgroundColor: '#D2E8FF' }
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, xaxis: { ticks: this.labels, noTicks : 10 }
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, mouse: {
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track: true,
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lineColor: 'purple',
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sensibility: 1,
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trackDecimals: 2,
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trackFormatter: function(obj){ return 'x = ' + obj.x +', y = ' + obj.y; }
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}
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});
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} else {
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var f = Flotr.draw($(this.chartId),
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dataSet,
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{ legend:{ backgroundColor: '#D2E8FF'}
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, bars: { show: true, lineWidth: 1, barWidth: this.barWidth }
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, xaxis: { ticks: offsetLabels(this.labels, chartOptions.tickOffset), noTicks : 10 }
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});
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}
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}
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function checkform()
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{
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// alert("check form " + this.form.id + " " + this.chartId);
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var field = this.form.list
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// Apparently list of lenght one is not a list...
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// Display the entire chart if there is only one data series.
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if (!field.length) {
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this.createChart();
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return;
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}
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this.selectedDataset = [];
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var data = [];
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var index = 0;
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for (i = 0; i < field.length; i++) {
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if (field[i].checked == true) {
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this.selectedDataset[index++] = this.dataset[i];
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} else {
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this.selectedDataset[index++] = [];
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}
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}
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this.createChart();
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}
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function createElement(nodeName, name) {
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var node;
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try {
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node = document.createElement("<"+nodeName+" name="+name+">");
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} catch (e) {
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node = document.createElement(nodeName);
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node.name = name;
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}
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return node;
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}
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function createFormSelector(form, value, text, type)
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{
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var selector = createElement('input', 'list');
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selector.type = type;
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selector.defaultChecked = true;
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selector.value = value;
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form.appendChild(selector);
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form.appendChild(document.createTextNode(text));
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form.appendChild(document.createElement("BR"));
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}
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function createCheckBox(form, value, text)
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{
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createFormSelector(form, value, text, "checkbox");
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}
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function createRadioButton(form, value, text)
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{
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createFormSelector(form, value, text, "radio");
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}
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function buildSeriesSelector(form, chartOptions)
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{
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// alert("form" + form.id + " " + chartOptions.chartId);
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var series = chartOptions.seriesLabels;
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form.onclick = function() { /*alert("fn " + chartOptions.chartId);*/ chartOptions.checkform() };
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for (s = 0; s < series.length; ++s) {
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createCheckBox(form, s, series[s]);
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}
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}
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function buildChartTypeSelector()
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{
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createRadioButton(this.chartTypeForm, 0, "Bar Chart");
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createRadioButton(this.chartTypeForm, 1, "Line Chart");
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var field = this.chartTypeForm.list;
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if (this.useLineChart)
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field[1].checked = true;
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else
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field[0].checked = true;
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var chartOptions = this;
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this.chartTypeForm.onclick = function() {
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var field = chartOptions.chartTypeForm.list;
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chartOptions.useLineChart = (field[1].checked == true);
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chartOptions.checkform();
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};
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}
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function buildScaleSelector()
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{
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createRadioButton(this.scaleForm, 0, "Linear Scale");
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createRadioButton(this.scaleForm, 1, "Logarithmic Scale");
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var field = this.scaleForm.list;
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field[0].checked = true;
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field[1].checked = false;
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var chartOptions = this;
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this.scaleForm.onclick = function() {
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var field = chartOptions.scaleForm.list;
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chartOptions.useLinearScale = (field[0].checked == true);
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chartOptions.checkform();
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};
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}
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</script>
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</head>
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<body>
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<h2>
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<! Title Here>
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</h2>
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<! Description Here>
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<! Chart Here>
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</body>
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</html>
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