import org.csstudio.swt.xygraph.dataprovider.CircularBufferDataProvider;
import org.csstudio.swt.xygraph.figures.Trace;
import org.csstudio.swt.xygraph.figures.XYGraph;
import org.csstudio.swt.xygraph.figures.Trace.PointStyle;
import org.csstudio.swt.xygraph.figures.Trace.TraceType;
import org.csstudio.swt.xygraph.util.XYGraphMediaFactory;
import org.eclipse.draw2d.LightweightSystem;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class BarChartExample {
public static void main(String[] args) {
final Shell shell = new Shell();
shell.setSize(300, 250);
shell.open();
//use LightweightSystem to create the bridge between SWT and draw2D
final LightweightSystem lws = new LightweightSystem(shell);
//create a new XY Graph.
XYGraph xyGraph = new XYGraph();
xyGraph.setTitle("Area Chart");
//set it as the content of LightwightSystem
lws.setContents(xyGraph);
//Configure XYGraph
xyGraph.primaryXAxis.setShowMajorGrid(true);
xyGraph.primaryYAxis.setShowMajorGrid(true);
//create a trace data provider, which will provide the data to the trace.
CircularBufferDataProvider traceDataProvider = new CircularBufferDataProvider(false);
traceDataProvider.setBufferSize(100);
traceDataProvider.setCurrentXDataArray(new double[]{0, 20, 30, 40, 50, 60, 70, 80, 100});
traceDataProvider.setCurrentYDataArray(new double[]{11, 44, 55, 45, 88, 98, 52, 23, 78});
//create the trace
Trace trace = new Trace("Trace1-XY Plot",
xyGraph.primaryXAxis, xyGraph.primaryYAxis, traceDataProvider);
//set trace property
trace.setTraceType(TraceType.AREA);
trace.setLineWidth(15);
trace.setAreaAlpha(200);
trace.setTraceColor(XYGraphMediaFactory.getInstance().getColor(XYGraphMediaFactory.COLOR_BLUE) );
//add the trace to xyGraph
xyGraph.addTrace(trace);
//create a trace data provider, which will provide the data to the trace.
CircularBufferDataProvider traceDataProvider2 = new CircularBufferDataProvider(false);
traceDataProvider2.setBufferSize(100);
traceDataProvider2.setCurrentXDataArray(new double[]{0, 20, 30, 40, 50, 60, 70, 80, 100});
traceDataProvider2.setCurrentYDataArray(new double[]{15, 60, 40, 60, 70, 80, 65, 70, 23});
//create the trace
Trace trace2 = new Trace("Trace1-XY Plot",
xyGraph.primaryXAxis, xyGraph.primaryYAxis, traceDataProvider2);
//set trace property
trace2.setPointStyle(PointStyle.XCROSS);
trace2.setPointSize(6);
trace2.setAreaAlpha(150);
trace2.setTraceType(TraceType.AREA);
//trace2.setLineWidth(5);
//add the trace to xyGraph
xyGraph.addTrace(trace2);
Display display = Display.getDefault();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}
}