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