package org.eclipse.nebula.snippets.visualization;
/*******************************************************************************
 * Copyright (c) 2010 Oak Ridge National Laboratory.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 ******************************************************************************/
import org.eclipse.draw2d.LightweightSystem;
import org.eclipse.nebula.visualization.xygraph.dataprovider.CircularBufferDataProvider;
import org.eclipse.nebula.visualization.xygraph.figures.Trace;
import org.eclipse.nebula.visualization.xygraph.figures.XYGraph;
import org.eclipse.nebula.visualization.xygraph.figures.Trace.PointStyle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;


/**A very simple xygrpah example.
 * @author Xihui Chen
 *
 */
public class SimpleExample {
	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("Simple Example");
		//set it as the content of LightwightSystem
		lws.setContents(xyGraph);
		
		//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[]{10, 23, 34, 45, 56, 78, 88, 99});
		traceDataProvider.setCurrentYDataArray(new double[]{11, 44, 55, 45, 88, 98, 52, 23});	
		
		//create the trace
		Trace trace = new Trace("Trace1-XY Plot", 
				xyGraph.primaryXAxis, xyGraph.primaryYAxis, traceDataProvider);			
		
		//set trace property
		trace.setPointStyle(PointStyle.XCROSS);
		
		//add the trace to xyGraph
		xyGraph.addTrace(trace);			
	   
	    Display display = Display.getDefault();
	    while (!shell.isDisposed()) {
	      if (!display.readAndDispatch())
	        display.sleep();
	    }
	   
	}
}