use of org.jfree.chart.renderer.category.StackedBarRenderer in project pentaho-platform by pentaho.
the class JFreeChartEngine method createBarLineChart.
private static JFreeChart createBarLineChart(final BarLineChartDefinition chartDefinition) {
// TODO Make the following accessible from the chartDefinition
String categoryAxisLabel = null;
String valueAxisLabel = null;
String secondValueAxisLabel = null;
boolean tooltips = true;
boolean urls = true;
// -----------------------------------------------------------
String title = chartDefinition.getTitle();
boolean legend = chartDefinition.isLegendIncluded();
PlotOrientation orientation = chartDefinition.getOrientation();
// split BarLineChartDefinition in two Definitions
CategoryDatasetChartDefinition barsDataset = new CategoryDatasetChartDefinition(chartDefinition.getSession(), chartDefinition.getChartAttributes());
CategoryDatasetChartDefinition linesDataset = new CategoryDatasetChartDefinition(chartDefinition.getSession(), chartDefinition.getChartAttributes());
/*
* try{ barsDataset = (CategoryDatasetChartDefinition)chartDefinition.clone(); linesDataset =
* (CategoryDatasetChartDefinition)chartDefinition.clone(); }catch(Exception e){}
*/
// get column and row count of the data set
int iColumnCount = chartDefinition.getColumnCount();
int iRowCount = chartDefinition.getRowCount();
if (iRowCount <= 0) {
// $NON-NLS-1$
chartDefinition.setNoDataMessage(Messages.getInstance().getString("CHART.USER_NO_DATA_AVAILABLE"));
}
// Loop through columns
for (int r = 0; r < iRowCount; r++) {
// check if measure should be include in bar or line dataset
String strMeasureName = (String) chartDefinition.getRowKey(r);
boolean bIsBarColumn = JFreeChartEngine.isBarColumn(chartDefinition.getBarColumns(), strMeasureName);
boolean bIsLineColumn = JFreeChartEngine.isLineColumn(chartDefinition.getLineColumns(), strMeasureName);
// getting all values
for (int c = 0; c < iColumnCount; c++) {
Comparable compColumnName = chartDefinition.getColumnKey(c);
Number nValue = chartDefinition.getValue(strMeasureName, compColumnName);
if (bIsBarColumn) {
barsDataset.addValue(nValue, strMeasureName, compColumnName);
}
if (bIsLineColumn) {
linesDataset.addValue(nValue, strMeasureName, compColumnName);
}
}
}
if ((iRowCount > 0) && (barsDataset.getRowCount() <= 0) && (linesDataset.getRowCount() <= 0)) {
// $NON-NLS-1$
chartDefinition.setNoDataMessage(Messages.getInstance().getString("CHART.USER_INCORRECT_DATA_FORMAT"));
}
// Create Axis Objects
CategoryAxis catAxis = new CategoryAxis(categoryAxisLabel);
NumberAxis barsAxis = new NumberAxis(valueAxisLabel);
NumberAxis linesAxis = new NumberAxis(secondValueAxisLabel);
// set title and font for lines Axis
linesDataset.setRangeTitle(chartDefinition.getLinesRangeTitle());
linesDataset.setRangeTitleFont(chartDefinition.getLinesRangeTitleFont());
if (chartDefinition.getLinesRangeTickFormat() != null) {
linesAxis.setNumberFormatOverride(chartDefinition.getLinesRangeTickFormat());
}
// create renderer
BarRenderer barRenderer = null;
LineAndShapeRenderer lineRenderer = null;
// Determine the type of renderer to use
if (chartDefinition.isStacked() || chartDefinition.isThreeD()) {
if (chartDefinition.isStacked() && chartDefinition.isThreeD()) {
barRenderer = new StackedBarRenderer3D();
lineRenderer = new LineRenderer3D();
} else if (chartDefinition.isStacked()) {
barRenderer = new StackedBarRenderer();
lineRenderer = new LineAndShapeRenderer();
} else {
barRenderer = new BarRenderer3D();
lineRenderer = new LineRenderer3D();
}
} else {
barRenderer = new BarRenderer();
lineRenderer = new LineAndShapeRenderer();
}
if (orientation == PlotOrientation.HORIZONTAL) {
ItemLabelPosition position1 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE3, TextAnchor.CENTER_LEFT);
barRenderer.setPositiveItemLabelPosition(position1);
lineRenderer.setPositiveItemLabelPosition(position1);
ItemLabelPosition position2 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE9, TextAnchor.CENTER_RIGHT);
barRenderer.setNegativeItemLabelPosition(position2);
lineRenderer.setNegativeItemLabelPosition(position2);
} else if (orientation == PlotOrientation.VERTICAL) {
ItemLabelPosition position1 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BOTTOM_CENTER);
barRenderer.setPositiveItemLabelPosition(position1);
lineRenderer.setPositiveItemLabelPosition(position1);
ItemLabelPosition position2 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE6, TextAnchor.TOP_CENTER);
barRenderer.setNegativeItemLabelPosition(position2);
lineRenderer.setNegativeItemLabelPosition(position2);
}
if (tooltips) {
barRenderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
lineRenderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
}
if (urls) {
barRenderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
lineRenderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
}
if (chartDefinition.getMaxBarWidth() != null) {
barRenderer.setMaximumBarWidth(chartDefinition.getMaxBarWidth().doubleValue());
}
// setting some line attributes
lineRenderer.setStroke(JFreeChartEngine.getLineStyleStroke(chartDefinition.getLineStyle(), chartDefinition.getLineWidth()));
lineRenderer.setShapesVisible(chartDefinition.isMarkersVisible());
lineRenderer.setBaseShapesFilled(chartDefinition.isMarkersVisible());
/*
* Create plot and make necessary adjustments for overlaid chart
*/
// create the plot with bar chart
CategoryPlot plot = new CategoryPlot(barsDataset, catAxis, barsAxis, barRenderer);
// add line renderer
plot.setRenderer(1, lineRenderer);
// add lines dataset, renderer and axis to plot
plot.setDataset(1, linesDataset);
plot.setRangeAxis(1, linesAxis);
// map lines to second axis
plot.mapDatasetToRangeAxis(1, 1);
// set rendering order
plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
// set location of second axis
plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);
// standard settings for plots
JFreeChartEngine.updatePlot(plot, barsDataset);
// additional settings for second axis
ValueAxis secondValueAxis = plot.getRangeAxis(1);
if (secondValueAxis != null) {
if (chartDefinition.getLinesRangeTitle() != null) {
secondValueAxis.setLabel(chartDefinition.getLinesRangeTitle());
}
if (chartDefinition.getLinesRangeTitleFont() != null) {
secondValueAxis.setLabelFont(chartDefinition.getLinesRangeTitleFont());
}
if (chartDefinition.getLinesRangeTickFont() != null) {
secondValueAxis.setTickLabelFont(chartDefinition.getLinesRangeTickFont());
}
if (chartDefinition.getLinesRangeMinimum() != ValueAxis.DEFAULT_LOWER_BOUND) {
secondValueAxis.setLowerBound(chartDefinition.getLinesRangeMinimum());
}
if (chartDefinition.getLinesRangeMaximum() != ValueAxis.DEFAULT_UPPER_BOUND) {
secondValueAxis.setUpperBound(chartDefinition.getLinesRangeMaximum());
}
}
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
return chart;
}
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