/**
* Creates a vertical 3D-effect bar chart with default settings.
*
* @param title the chart title.
* @param categoryAxisLabel the label for the category axis.
* @param valueAxisLabel the label for the value axis.
* @param data the dataset for the chart.
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
* @return a vertical 3D-effect bar chart.
*/
public static JFreeChart createBarChart3D(
String title,
java.awt.Font titleFont,
String categoryAxisLabel,
String valueAxisLabel,
CategoryDataset data,
PlotOrientation orientation,
boolean legend,
boolean tooltips,
boolean urls,
CategoryURLGenerator urlGenerator) {
CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);
BarRenderer3D renderer = new BarRenderer3D();
// renderer.setLabelGenerator(new StandardCategoryLabelGenerator());
if (tooltips) {
renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
}
if (urls) {
renderer.setItemURLGenerator(urlGenerator);
}
CategoryPlot plot = new CategoryPlot(data, categoryAxis, valueAxis, renderer);
plot.setOrientation(orientation);
plot.setForegroundAlpha(0.75f);
JFreeChart chart = new JFreeChart(title, titleFont, plot, legend);
return chart;
}
protected JFreeChart createStackedBar3DChart() throws JRException {
JFreeChart jfreeChart = super.createStackedBar3DChart();
CategoryPlot categoryPlot = (CategoryPlot) jfreeChart.getPlot();
BarRenderer3D barRenderer3D = (BarRenderer3D) categoryPlot.getRenderer();
barRenderer3D.setWallPaint(ChartThemesConstants.TRANSPARENT_PAINT);
barRenderer3D.setItemMargin(0);
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
barRenderer3D.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
return jfreeChart;
}
public static String getBarSeries(Map dataSource, String objectName, HttpSession session)
throws Exception {
DefaultKeyedValues barValues = new DefaultKeyedValues();
DefaultKeyedValues seriesValues = new DefaultKeyedValues();
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
Element barField = chartObject.getChild("BarFields").getChild("Field");
Element seriesField = chartObject.getChild("SeriesFields").getChild("Field");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
barValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(barField.getAttributeValue("name")).toString()));
seriesValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(seriesField.getAttributeValue("name")).toString()));
}
CategoryDataset dataset =
DatasetUtilities.createCategoryDataset(barField.getAttributeValue("label"), barValues);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot categoryplot = chart.getCategoryPlot();
LineRenderer3D lineRenderer = new LineRenderer3D();
CategoryDataset datasetSeries =
DatasetUtilities.createCategoryDataset(
seriesField.getAttributeValue("label"), seriesValues);
categoryplot.setDataset(1, datasetSeries);
categoryplot.setRangeAxis(1, new NumberAxis3D(seriesField.getAttributeValue("label")));
categoryplot.setRenderer(1, lineRenderer);
categoryplot.mapDatasetToRangeAxis(1, 1);
BarRenderer3D barrenderer = (BarRenderer3D) categoryplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
// lineRenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
// lineRenderer.setItemLabelsVisible(true);
// lineRenderer.setPositiveItemLabelPosition(
// new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.CENTER));
float alpha = 0.7F;
if (chartObject.getAttribute("alpha") != null) {
alpha = chartObject.getAttribute("alpha").getFloatValue();
}
categoryplot.setForegroundAlpha(alpha);
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}
public static String getSimpleBarChart(Map dataSource, String objectName, HttpSession session)
throws Throwable {
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
List invokeFields = chartObject.getChild("InvokeFields").getChildren("Field");
double[][] data = new double[invokeFields.size()][dataSource.size()];
String[] rowKeys = new String[invokeFields.size()];
String[] columnKeys = new String[dataSource.size()];
String columnLabel = chartObject.getChildText("ColumnLabel");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
columnKeys[i] = DataFilter.show(rec, columnLabel);
for (int j = 0; j < invokeFields.size(); j++) {
data[j][i] =
Double.parseDouble(
rec.get(((Element) invokeFields.get(j)).getAttributeValue("name")).toString());
}
}
for (int i = 0; i < invokeFields.size(); i++) {
rowKeys[i] = ((Element) invokeFields.get(i)).getAttributeValue("label");
}
CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot C3dplot = (CategoryPlot) chart.getPlot();
if (chartObject.getAttribute("alpha") != null) {
C3dplot.setForegroundAlpha(chartObject.getAttribute("alpha").getFloatValue());
}
BarRenderer3D barrenderer = (BarRenderer3D) C3dplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}
