// create a dataset for displaying schedule data
chartData = new ChartData();
updateChart();
// customize a renderer for displaying schedules
XYBarRenderer renderer = new XYBarRenderer();
renderer.setUseYInterval(true);
renderer.setBaseToolTipGenerator(chartData);
renderer.setDrawBarOutline(true);
// use an inverted, unadorned numeric Y-axis
NumberAxis yAxis = new NumberAxis();
yAxis.setInverted(true);
yAxis.setTickLabelsVisible(false);
yAxis.setTickMarksVisible(false);
yAxis.setUpperMargin(0);
// use a Date-based X-axis
DateAxis xAxis = new DateAxis();
// create an XY plot to display the data
XYPlot plot = new XYPlot(chartData, xAxis, yAxis, renderer);
plot.setOrientation(PlotOrientation.VERTICAL);
plot.setRangeGridlinesVisible(false);
plot.setNoDataMessage(TaskScheduleDialog.resources
.getString("Chart.No_Data_Message"));
// create a chart and a chart panel
JFreeChart chart = new JFreeChart(plot);
chart.removeLegend();
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setInitialDelay(50);
chartPanel.setDismissDelay(60000);
chartPanel.setMinimumDrawHeight(40);
chartPanel.setMinimumDrawWidth(40);
chartPanel.setMaximumDrawHeight(3000);
chartPanel.setMaximumDrawWidth(3000);
chartPanel.setPreferredSize(new Dimension(300, gridY * 25));
// add the chart to the dialog content pane
GridBagConstraints c = new GridBagConstraints();
c.gridy = gridY;
c.gridwidth = 4;
c.weightx = 2;
c.weighty = 1;
c.fill = GridBagConstraints.BOTH;
c.insets = new Insets(10, 0, 0, 0);
panel.add(chartPanel, c);
// retrieve the colors used for each chart bar, and register those
// colors with the schedule rows so they can act as a legend
for (int i = scheduleRows.size(); i-- > 0;) {
ScheduleTableRow oneRow = scheduleRows.get(i);
oneRow.addColoredIcon(renderer.lookupSeriesPaint(i));
}
}
