<?xml version="1.0" encoding="UTF-8"?>



<window apply="demo.combo.ComboRegressionComposer">
	<charts id="chart" title="Scatter plot with regression line" />
</window>

package demo.combo;

import org.zkoss.chart.Charts;
import org.zkoss.chart.Series;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Window;


public class ComboRegressionComposer extends SelectorComposer<Window> {
	@Wire
	Charts chart;
	
	public void doAfterCompose(Window comp) throws Exception {
		super.doAfterCompose(comp);
		
		chart.getXAxis().setMin(-0.5);
		chart.getXAxis().setMax(5.5);
		
		chart.getYAxis().setMin(0);
		
		initSeries();
	}

    private void initSeries() {
    	Series regression = new Series();
		regression.setName("Regression Line");
    	regression.setType("line");
    	regression.addPoint(0, 1.11);
    	regression.addPoint(5, 4.51);
    	regression.getMarker().setEnabled(false);
    	regression.setEnableMouseTracking(false);
    	regression.getStates().getHover().setLineWidth(0);
    	chart.addSeries(regression);

    	Series observations = new Series();
		observations.setName("Observations");
    	observations.setType("scatter");
    	observations.setData(1, 1.5, 2.8, 3.5, 3.9, 4.2);
    	observations.getMarker().setRadius(4);
    	chart.addSeries(observations);
    }
}