Examples with ChartClickListener com.vaadin.addon.charts.ChartClickListener used on opensource projects

Example 6 with ChartClickListener

use of com.vaadin.addon.charts.ChartClickListener in project charts by vaadin.

the class DateAxisAndClickEvent method getChart.

@Override
protected Component getChart() {
    Chart chart = new Chart();
    chart.setHeight("450px");
    chart.setWidth("100%");
    Configuration configuration = chart.getConfiguration();
    configuration.setTitle("Date axis and click events");
    configuration.getChart().setType(ChartType.SPLINE);
    configuration.getxAxis().setType(AxisType.DATETIME);
    Calendar c = Calendar.getInstance();
    c.set(Calendar.MILLISECOND, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.HOUR_OF_DAY, 12);
    c.set(2013, 2, 11);
    DataSeries dataSeries = new DataSeries();
    Number[] values = new Number[] { 71.5, 29.9, 106.4 };
    Random r = new Random(0);
    for (Number number : values) {
        c.add(Calendar.MINUTE, r.nextInt(5));
        DataSeriesItem item = new DataSeriesItem(c.getTime(), number);
        dataSeries.add(item);
    }
    configuration.addSeries(dataSeries);
    chart.drawChart(configuration);
    chart.addChartClickListener(new ChartClickListener() {

        @Override
        public void onClick(ChartClickEvent event) {
            /*
                 * The axis value is in client side library's raw format: unix
                 * timestamp, "shifted" to UTC time zone
                 */
            ;
            double timeStampShiftedToUc = event.getxAxisValue();
            /*
                 * When working with Date objects, developers probably want to
                 * convert it to Date object at their local time zone.
                 */
            Notification.show("Clicked @ " + Util.toServerInstant(timeStampShiftedToUc));
        }
    });
    chart.addPointClickListener(new PointClickListener() {

        @Override
        public void onClick(PointClickEvent event) {
            /*
                 * Same with point clicks...
                 */
            ;
            double timeStampShiftedToUc = event.getX();
            Notification.show("Clicked Point with Date value " + Util.toServerInstant(timeStampShiftedToUc));
        }
    });
    return chart;
}