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Getting Started
Wicked Charts is a Java wrapper for the Highcharts JavaScript library. It allows the configuration of visual charts in Java code and translates this into the necessary JavaScript code that Highcharts needs to render the charts in the browser. Basically, Wicked Charts provides the following:
- a set of Java classes to define the contents and configuration of a chart, starting from the Options class
- components for Wicket (1.4.x, 1.5.x and 6.x) and JSF (2.x) which are able to call Highcharts to display a chart defined by you
To define the contents of a chart, you simply have to instantiate an Options object and use its setter methods to define the data and metadata you want. This Options object is then passed into a web component that takes care of the rendering.
For details on the effects of each option, please refer to the Highcharts API reference. The naming of the options was adopted from there. If you come across an Highcharts option that Wicked Charts doesn't support yet, please create an issue.
The following example creates a line chart displaying the months from January to December on the X-Axis and the average temperature in this month that has been measured in Tokyo and New York.
Options options = new Options();
options
.setChartOptions(new ChartOptions()
.setType(SeriesType.LINE));
options
.setTitle(new Title("My very own chart."));
options
.setxAxis(new Axis()
.setCategories(Arrays
.asList(new String[] { "Jan", "Feb", "Mar", "Apr", "May",
"Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" })));
options
.setyAxis(new Axis()
.setTitle(new Title("Temperature (C)")));
options
.setLegend(new Legend()
.setLayout(LegendLayout.VERTICAL)
.setAlign(HorizontalAlignment.RIGHT)
.setVerticalAlign(VerticalAlignment.TOP)
.setX(-10)
.setY(100)
.setBorderWidth(0));
options
.addSeries(new SimpleSeries()
.setName("Tokyo")
.setData(
Arrays
.asList(new Number[] { 7.0, 6.9, 9.5, 14.5, 18.2, 21.5,
25.2, 26.5, 23.3, 18.3, 13.9, 9.6 })));
options
.addSeries(new SimpleSeries()
.setName("New York")
.setData(
Arrays
.asList(new Number[] { -0.2, 0.8, 5.7, 11.3, 17.0, 22.0,
24.8, 24.1, 20.1, 14.1, 8.6, 2.5 })));First, add the dependency to the current version of wicked-charts-wicket6, wicked-charts-wicket15 or wicked-charts-wicket14 to your classpath, depending on which version of Wicket you are using.
To add a chart to a page in a Wicket application, you need to add a div component to your HTML page, like this:
<div wicket:id="chart"/>In your Wicket page class you can then create an Options object and pass it into an instance of the Chart component and add this component to the page. Done.
Options options = new Options();
options.setTitle(new Title("My Chart"));
... // add any chart configuration you like, see above
add(new Chart("chart", options));First, add the dependency to the current version of wicked-charts-jsf21 to your classpath.
The following example shows some variations of how you can add a chart to your JSF page. For a description of all properties of the wc:chart/-component, see the setter methods of the UIChart class.
The Java class behind "myBean" must provide the Options object you want to have displayed.
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
xmlns:wc="http://googlecode.com/wickedcharts">
<body>
<wc:chart id="chart1" options="#{myBean.options}" theme="#{myBean.theme}" />
<wc:chart id="chart2" options="#{myBean.options}" themeUrlRef="#{myBean.themeUrlRef}" />
<wc:chart id="chart3" options="#{myBean.options}" themeUrlRef="js/myTheme.js" />
<wc:chart id="chart4" options="#{myBean.options}" themeUrlRef="http://js.mySite.com/myTheme.js" />
</body>
</html>