package com.gashalot.sample;

import java.awt.Frame;
import java.awt.GridLayout;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.DefaultPieDataset;

/**
 * Simple SWT demonstration.
 * 
 * @author Robert Gash (gashalot [at] gashalot.com)
 */
public class JFreeChartSWTDemo {
	/**
	 * Simple driving main, a quick and dirty intro to SWT_AWT using JFreeChart.
	 * 
	 * @param args command line arguments (ignored)
	 */
	public static void main(String[] args) {
		// create the SWT display and the new window (Shell)
		Display display = new Display();
		Shell shell = new Shell(display);
		
		// Set the layout to a simple FillLayout
		FillLayout layout = new FillLayout();
		layout.type = SWT.VERTICAL;
		shell.setLayout(layout);
		
		// Create the JFreeChart data
		DefaultPieDataset pieData = new DefaultPieDataset();
		pieData.setValue("Slice 1", 50);
		pieData.setValue("Slice 2", 70);
		pieData.setValue("Slice 3", 90);
		pieData.setValue("Slice 4", 20);
		
		// Create the actuall JFreeChart chart
		JFreeChart chart = ChartFactory.createPieChart3D("Sample Chart", pieData, true, true, false);
		
		// grab a new AWT frame from our shell
		Frame chartFrame = SWT_AWT.new_Frame(shell);
		
		// set the layout of our frame to a GridLayout so the chart will
		// automatically fill the entire area
		chartFrame.setLayout(new GridLayout());
		ChartPanel cp = new ChartPanel(chart);
		chartFrame.add(cp);
		
		// pack the shell, set the size to a reasonable default, and show it
		shell.pack();
		shell.setSize(400,400);
		shell.open();
		
		// standard SWT dispose loop
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) display.sleep();
		}
		display.dispose();
		
	}
}