Examples with CategoryItemRendererState org.jfree.chart.renderer.category.CategoryItemRendererState used on opensource projects

Example 1 with CategoryItemRendererState

use of org.jfree.chart.renderer.category.CategoryItemRendererState in project SIMVA-SoS by SESoS.

the class CategoryPlot method render.

/**
 * Draws a representation of a dataset within the dataArea region using the
 * appropriate renderer.
 *
 * @param g2  the graphics device.
 * @param dataArea  the region in which the data is to be drawn.
 * @param index  the dataset and renderer index.
 * @param info  an optional object for collection dimension information.
 * @param crosshairState  a state object for tracking crosshair info
 *        (<code>null</code> permitted).
 *
 * @return A boolean that indicates whether or not real data was found.
 *
 * @since 1.0.11
 */
public boolean render(Graphics2D g2, Rectangle2D dataArea, int index, PlotRenderingInfo info, CategoryCrosshairState crosshairState) {
    boolean foundData = false;
    CategoryDataset currentDataset = getDataset(index);
    CategoryItemRenderer renderer = getRenderer(index);
    CategoryAxis domainAxis = getDomainAxisForDataset(index);
    ValueAxis rangeAxis = getRangeAxisForDataset(index);
    boolean hasData = !DatasetUtilities.isEmptyOrNull(currentDataset);
    if (hasData && renderer != null) {
        foundData = true;
        CategoryItemRendererState state = renderer.initialise(g2, dataArea, this, index, info);
        state.setCrosshairState(crosshairState);
        int columnCount = currentDataset.getColumnCount();
        int rowCount = currentDataset.getRowCount();
        int passCount = renderer.getPassCount();
        for (int pass = 0; pass < passCount; pass++) {
            if (this.columnRenderingOrder == SortOrder.ASCENDING) {
                for (int column = 0; column < columnCount; column++) {
                    if (this.rowRenderingOrder == SortOrder.ASCENDING) {
                        for (int row = 0; row < rowCount; row++) {
                            renderer.drawItem(g2, state, dataArea, this, domainAxis, rangeAxis, currentDataset, row, column, pass);
                        }
                    } else {
                        for (int row = rowCount - 1; row >= 0; row--) {
                            renderer.drawItem(g2, state, dataArea, this, domainAxis, rangeAxis, currentDataset, row, column, pass);
                        }
                    }
                }
            } else {
                for (int column = columnCount - 1; column >= 0; column--) {
                    if (this.rowRenderingOrder == SortOrder.ASCENDING) {
                        for (int row = 0; row < rowCount; row++) {
                            renderer.drawItem(g2, state, dataArea, this, domainAxis, rangeAxis, currentDataset, row, column, pass);
                        }
                    } else {
                        for (int row = rowCount - 1; row >= 0; row--) {
                            renderer.drawItem(g2, state, dataArea, this, domainAxis, rangeAxis, currentDataset, row, column, pass);
                        }
                    }
                }
            }
        }
    }
    return foundData;
}