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public JPanel createPanel(ResultSet _rs, int type)
{
// add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(200, 170));
if (type == 0)
{
CategoryDataset dataset = createBarDataset(_rs);
//chart = create3DPieChart(dataset);
create2DBarChart(dataset);
chtChart = new ChartPanel(chart);
Translator t = new Translator(chtChart);
t.start();
}
else
{
DefaultPieDataset dataset = createPieDataset(_rs);
create2DPieChart(dataset);
chtChart = new ChartPanel(chart);
}
return chtChart;
}
protected void create2DBarChart(final CategoryDataset dataset)
{
chart = ChartFactory.createBarChart(name, xaxisname, yaxisname, dataset, PlotOrientation.VERTICAL, true, true, false);
chart.getTitle().setFont(new Font("新細明體", Font.BOLD, 22));
// set the background color for the chart...
chart.setBackgroundPaint(Color.white);
// get a reference to the plot for further customisation...
final CategoryPlot plot = chart.getCategoryPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.BLUE);
plot.setRangeGridlinePaint(Color.BLUE);
// set the range axis to display integers only...
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
plot.setRangeAxis(rangeAxis);
final BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setMove(10, true);
renderer.setDrawBarOutline(false);
final CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
);
plot.setDomainAxis(domainAxis);
}
class Translator extends Timer implements ActionListener {
/** The plot. */
private ChartPanel panel;
private int count = 10;
private int i = 0;
/** The angle. */
/**
* Constructor.
*
* @param plot the plot.
*/
Translator(final ChartPanel panel) {
super(100, null);
this.panel = panel;
addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
if (i <= count)
{
((BarRenderer)panel.getChart().getCategoryPlot().getRenderer()).Increment();
System.out.println("Chart is " + panel.getChart().getTitle().getText());
panel.repaint();
}
i++;
}
}
2 Problems, No double buffering means tearing
2nd I don't know why the axis labels were gone
It is sort of brute force, but how can I fix those problems?
Thanks
Jack