/**
* Transforms the currently selected screen point to a real point.
*
* @param scale the scale
* @return the currently selected real point
*/
public double[] toRealPoint(int scale) {
if (mChart instanceof XYChart) {
XYChart chart = (XYChart) mChart;
return chart.toRealPoint(oldX, oldY, scale);
}
return null;
}
/**
* Returns a chart instance based on the provided type.
*
* @param type the chart type
* @return an instance of a chart implementation
* @throws IllegalAccessException
* @throws InstantiationException
*/
private XYChart getXYChart(String type) throws IllegalAccessException, InstantiationException {
XYChart chart = null;
int length = xyChartTypes.length;
for (int i = 0; i < length && chart == null; i++) {
XYChart newChart = (XYChart) xyChartTypes[i].newInstance();
if (type.equals(newChart.getChartType())) {
chart = newChart;
}
}
return chart;
}
public XYLineChartFactory() {
chart = (XYChart) RaphaelFactory.get();
dataTable = chart.getDataTable();
colorMap = RaphaelFactory.getColorMap();
chartSet = chart.new Set();
chartStack = new Stack<RaphaelObject>();
AxisFactory axisFactory = new AxisFactory();
xAxis = axisFactory.getXAxis();
yAxis = axisFactory.getYAxis();
axisWidth = AxisLabelHelper.getXAxisLength();
axisHeight = AxisLabelHelper.getYAxisLength();
plotSet = chart.new Set();
pointDataTable = new HashMap<String, List<PointData>>();
pushAxisToChart();
}
/**
* Sets the series and the renderer.
*
* @param dataset the series dataset
* @param renderer the series renderer
*/
protected void setDatasetRenderer(
XYMultipleSeriesDataset dataset, XYMultipleSeriesRenderer renderer) {
super.setDatasetRenderer(dataset, renderer);
pointsChart = new ScatterChart(dataset, renderer);
}
// TODO: javadoc
protected void setDatasetRenderer(
XYMultipleSeriesDataset dataset, XYMultipleSeriesRenderer renderer) {
super.setDatasetRenderer(dataset, renderer);
size = renderer.getPointSize();
}
// Main code for creating charts
public void createChart(ChartViewer viewer, int chartIndex) {
// The data for the bar chart
double[] data = {450, 560, 630, 800, 1100, 1350, 1600, 1950, 2300, 2700};
// The labels for the bar chart
String[] labels = {
"1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005"
};
// Create a XYChart object of size 600 x 360 pixels
XYChart c = new XYChart(600, 360);
// Add a title to the chart using 18pt Times Bold Italic font
c.addTitle("Annual Revenue for Star Tech", "Times New Roman Bold Italic", 18);
// Set the plotarea at (60, 40) and of size 500 x 280 pixels. Use a vertical gradient color
// from light blue (eeeeff) to deep blue (0000cc) as background. Set border and grid lines
// to white (ffffff).
c.setPlotArea(
60,
40,
500,
280,
c.linearGradientColor(60, 40, 60, 280, 0xeeeeff, 0x0000cc),
-1,
0xffffff,
0xffffff);
// Add a multi-color bar chart layer using the supplied data. Use soft lighting effect with
// light direction from left.
c.addBarLayer3(data).setBorderColor(Chart.Transparent, Chart.softLighting(Chart.Left));
// Set x axis labels using the given labels
c.xAxis().setLabels(labels);
// Draw the ticks between label positions (instead of at label positions)
c.xAxis().setTickOffset(0.5);
// Add a title to the y axis with 10pt Arial Bold font
c.yAxis().setTitle("USD (millions)", "Arial Bold", 10);
// Set axis label style to 8pt Arial Bold
c.xAxis().setLabelStyle("Arial Bold", 8);
c.yAxis().setLabelStyle("Arial Bold", 8);
// Set axis line width to 2 pixels
c.xAxis().setWidth(2);
c.yAxis().setWidth(2);
// Output the chart
viewer.setChart(c);
// include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "", "title='Year {xLabel}: US$ {value}M'"));
}
