public SelectedChart getSelectedChart() {
return timeChart.getSelectedChart();
}
public void setChart(JFreeChart chart) {
timeChart.setChart(chart);
// Force the view to update the chart:
chart.clearSubtitles();
}
public boolean hasNextChart() {
return timeChart.hasNextChart();
}
public boolean hasPrevChart() {
return timeChart.hasPrevChart();
}
public void saveChartAsPNG(File file, int width, int height) throws IOException {
timeChart.saveChartAsPNG(file, width, height);
}
public void saveChartAsPNG(File file) throws IOException {
timeChart.saveChartAsJPEG(file, 800, 600);
}
public Integer getSelectedYear() {
return timeChart.getSelectedYear();
}
public void setYearRange(int start, int end) {
timeChart.setYearRange(start, end);
}
public TrendChart(Composite parent, int style) {
super(parent, style);
initCharts();
setLayout(new FillLayout());
SashForm sashForm = new SashForm(this, SWT.VERTICAL);
timeChart = new TimeChartControlPanel<SelectedChart>(sashForm, SWT.BORDER);
timeChart.addChartSelectionEntry("Trend View", SelectedChart.LINE);
timeChart.addChartSelectionEntry("Bar View", SelectedChart.BAR);
timeChart.addChartSelectionEntry("Both", SelectedChart.BOTH);
JFreeChart chart = createChart(SelectedChart.LINE);
setChart(chart);
scrolledComposite = new ScrolledComposite(sashForm, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
scrolledComposite.setLayout(new FillLayout());
optionComposite = new Composite(scrolledComposite, SWT.NONE);
optionComposite.setLayout(new GridLayout(3, false));
scrolledComposite.setContent(optionComposite);
scrolledComposite.setMinSize(optionComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));
scrolledComposite.setExpandVertical(true);
scrolledComposite.setExpandHorizontal(true);
scrolledComposite.setAlwaysShowScrollBars(false);
// Signals:
boxListener =
new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
Button button = (Button) e.getSource();
ChartIdentifier boxData = (ChartIdentifier) button.getData();
assert (boxData != null);
boolean checked = button.getSelection();
if (boxData.paint == null) {
boxData.paint = drawingSupplier.getNextPaint();
}
if (checked) {
java.awt.Color paintColor = (java.awt.Color) boxData.paint;
Color color =
new Color(null, paintColor.getRed(), paintColor.getGreen(), paintColor.getBlue());
button.setBackground(color);
} else {
button.setBackground(null);
}
for (TrendChartListener listener : listeners) {
listener.optionSelected(boxData, checked);
}
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {}
};
comboListener =
new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
Combo combo = (Combo) e.getSource();
DropDownData data = (DropDownData) combo.getData();
assert (data != null);
DropDownConfig config = data.getConfig();
for (TrendChartListener listener : listeners) {
listener.comboChanged(config);
}
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {}
};
}