Examples with CategoryItemLabelGenerator org.jfree.chart.labels.CategoryItemLabelGenerator used on opensource projects

Example 6 with CategoryItemLabelGenerator

use of org.jfree.chart.labels.CategoryItemLabelGenerator in project SIMVA-SoS by SESoS.

the class GroupedStackedBarRenderer method drawItem.

/**
 * Draws a stacked bar for a specific item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the plot area.
 * @param plot  the plot.
 * @param domainAxis  the domain (category) axis.
 * @param rangeAxis  the range (value) axis.
 * @param dataset  the data.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {
    // nothing is drawn for null values...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }
    double value = dataValue.doubleValue();
    Comparable group = this.seriesToGroupMap.getGroup(dataset.getRowKey(row));
    PlotOrientation orientation = plot.getOrientation();
    double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column);
    double positiveBase = 0.0;
    double negativeBase = 0.0;
    for (int i = 0; i < row; i++) {
        if (group.equals(this.seriesToGroupMap.getGroup(dataset.getRowKey(i)))) {
            Number v = dataset.getValue(i, column);
            if (v != null) {
                double d = v.doubleValue();
                if (d > 0) {
                    positiveBase = positiveBase + d;
                } else {
                    negativeBase = negativeBase + d;
                }
            }
        }
    }
    double translatedBase;
    double translatedValue;
    boolean positive = (value > 0.0);
    boolean inverted = rangeAxis.isInverted();
    RectangleEdge barBase;
    if (orientation == PlotOrientation.HORIZONTAL) {
        if (positive && inverted || !positive && !inverted) {
            barBase = RectangleEdge.RIGHT;
        } else {
            barBase = RectangleEdge.LEFT;
        }
    } else {
        if (positive && !inverted || !positive && inverted) {
            barBase = RectangleEdge.BOTTOM;
        } else {
            barBase = RectangleEdge.TOP;
        }
    }
    RectangleEdge location = plot.getRangeAxisEdge();
    if (value > 0.0) {
        translatedBase = rangeAxis.valueToJava2D(positiveBase, dataArea, location);
        translatedValue = rangeAxis.valueToJava2D(positiveBase + value, dataArea, location);
    } else {
        translatedBase = rangeAxis.valueToJava2D(negativeBase, dataArea, location);
        translatedValue = rangeAxis.valueToJava2D(negativeBase + value, dataArea, location);
    }
    double barL0 = Math.min(translatedBase, translatedValue);
    double barLength = Math.max(Math.abs(translatedValue - translatedBase), getMinimumBarLength());
    Rectangle2D bar;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0, barW0, barLength, state.getBarWidth());
    } else {
        bar = new Rectangle2D.Double(barW0, barL0, state.getBarWidth(), barLength);
    }
    getBarPainter().paintBar(g2, this, row, column, bar, barBase);
    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
    }
    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addItemEntity(entities, dataset, row, column, bar);
        }
    }
}

Example 7 with CategoryItemLabelGenerator

use of org.jfree.chart.labels.CategoryItemLabelGenerator in project SIMVA-SoS by SESoS.

the class LevelRenderer method drawItem.

/**
 * Draws the bar for a single (series, category) data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the data area.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {
    // nothing is drawn if the row index is not included in the list with
    // the indices of the visible rows...
    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
        return;
    }
    // nothing is drawn for null values...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }
    double value = dataValue.doubleValue();
    PlotOrientation orientation = plot.getOrientation();
    double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, visibleRow, column);
    RectangleEdge edge = plot.getRangeAxisEdge();
    double barL = rangeAxis.valueToJava2D(value, dataArea, edge);
    // draw the bar...
    Line2D line;
    double x, y;
    if (orientation == PlotOrientation.HORIZONTAL) {
        x = barL;
        y = barW0 + state.getBarWidth() / 2.0;
        line = new Line2D.Double(barL, barW0, barL, barW0 + state.getBarWidth());
    } else {
        x = barW0 + state.getBarWidth() / 2.0;
        y = barL;
        line = new Line2D.Double(barW0, barL, barW0 + state.getBarWidth(), barL);
    }
    Stroke itemStroke = getItemStroke(row, column);
    Paint itemPaint = getItemPaint(row, column);
    g2.setStroke(itemStroke);
    g2.setPaint(itemPaint);
    g2.draw(line);
    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, orientation, dataset, row, column, x, y, (value < 0.0));
    }
    // submit the current data point as a crosshair candidate
    int datasetIndex = plot.indexOf(dataset);
    updateCrosshairValues(state.getCrosshairState(), dataset.getRowKey(row), dataset.getColumnKey(column), value, datasetIndex, barW0, barL, orientation);
    // collect entity and tool tip information...
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addItemEntity(entities, dataset, row, column, line.getBounds());
    }
}

Example 8 with CategoryItemLabelGenerator

use of org.jfree.chart.labels.CategoryItemLabelGenerator in project opennms by OpenNMS.

the class ChartUtils method customizeSeries.

/**
 * @param barChart TODO
 * @param chartConfig
 */
private static void customizeSeries(JFreeChart barChart, BarChart chartConfig) {
    /*
         * Set the series colors and labels
         */
    CategoryItemLabelGenerator itemLabelGenerator = new StandardCategoryItemLabelGenerator("{2}", new DecimalFormat("0"));
    SeriesDef[] seriesDefs = chartConfig.getSeriesDef();
    CustomSeriesColors seriesColors = null;
    if (chartConfig.getSeriesColorClass().isPresent()) {
        try {
            seriesColors = (CustomSeriesColors) Class.forName(chartConfig.getSeriesColorClass().get()).newInstance();
        } catch (InstantiationException e) {
            LOG.error("getBarChart: Couldn't instantiate configured CustomSeriesColors class: {}", seriesColors, e);
        } catch (IllegalAccessException e) {
            LOG.error("getBarChart: Couldn't instantiate configured CustomSeriesColors class: {}", seriesColors, e);
        } catch (ClassNotFoundException e) {
            LOG.error("getBarChart: Couldn't instantiate configured CustomSeriesColors class: {}", seriesColors, e);
        }
    }
    for (int i = 0; i < seriesDefs.length; i++) {
        SeriesDef seriesDef = seriesDefs[i];
        Paint paint = Color.BLACK;
        if (seriesColors != null) {
            Comparable<?> cat = (Comparable<?>) ((BarRenderer) barChart.getCategoryPlot().getRenderer()).getPlot().getCategories().get(i);
            paint = seriesColors.getPaint(cat);
        } else if (seriesDef.getRgb().isPresent()) {
            final Rgb rgb = seriesDef.getRgb().get();
            paint = new Color(rgb.getRed().getRgbColor(), rgb.getGreen().getRgbColor(), rgb.getBlue().getRgbColor());
        }
        ((BarRenderer) barChart.getCategoryPlot().getRenderer()).setSeriesPaint(i, paint);
        ((BarRenderer) barChart.getCategoryPlot().getRenderer()).setSeriesItemLabelsVisible(i, seriesDef.getUseLabels());
        ((BarRenderer) barChart.getCategoryPlot().getRenderer()).setSeriesItemLabelGenerator(i, itemLabelGenerator);
    }
}

Example 9 with CategoryItemLabelGenerator

use of org.jfree.chart.labels.CategoryItemLabelGenerator in project SIMVA-SoS by SESoS.

the class AbstractCategoryItemRenderer method drawItemLabel.

/**
 * Draws an item label.
 *
 * @param g2  the graphics device.
 * @param orientation  the orientation.
 * @param dataset  the dataset.
 * @param row  the row.
 * @param column  the column.
 * @param x  the x coordinate (in Java2D space).
 * @param y  the y coordinate (in Java2D space).
 * @param negative  indicates a negative value (which affects the item
 *                  label position).
 */
protected void drawItemLabel(Graphics2D g2, PlotOrientation orientation, CategoryDataset dataset, int row, int column, double x, double y, boolean negative) {
    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null) {
        Font labelFont = getItemLabelFont(row, column);
        Paint paint = getItemLabelPaint(row, column);
        g2.setFont(labelFont);
        g2.setPaint(paint);
        String label = generator.generateLabel(dataset, row, column);
        ItemLabelPosition position;
        if (!negative) {
            position = getPositiveItemLabelPosition(row, column);
        } else {
            position = getNegativeItemLabelPosition(row, column);
        }
        Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), x, y, orientation);
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

Example 10 with CategoryItemLabelGenerator

use of org.jfree.chart.labels.CategoryItemLabelGenerator in project SIMVA-SoS by SESoS.

the class BarRenderer method drawItem.

/**
 * Draws the bar for a single (series, category) data item.
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the data area.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {
    // nothing is drawn if the row index is not included in the list with
    // the indices of the visible rows...
    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
        return;
    }
    // nothing is drawn for null values...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }
    final double value = dataValue.doubleValue();
    PlotOrientation orientation = plot.getOrientation();
    double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, visibleRow, column);
    double[] barL0L1 = calculateBarL0L1(value);
    if (barL0L1 == null) {
        // the bar is not visible
        return;
    }
    RectangleEdge edge = plot.getRangeAxisEdge();
    double transL0 = rangeAxis.valueToJava2D(barL0L1[0], dataArea, edge);
    double transL1 = rangeAxis.valueToJava2D(barL0L1[1], dataArea, edge);
    // in the following code, barL0 is (in Java2D coordinates) the LEFT
    // end of the bar for a horizontal bar chart, and the TOP end of the
    // bar for a vertical bar chart.  Whether this is the BASE of the bar
    // or not depends also on (a) whether the data value is 'negative'
    // relative to the base value and (b) whether or not the range axis is
    // inverted.  This only matters if/when we apply the minimumBarLength
    // attribute, because we should extend the non-base end of the bar
    boolean positive = (value >= this.base);
    boolean inverted = rangeAxis.isInverted();
    double barL0 = Math.min(transL0, transL1);
    double barLength = Math.abs(transL1 - transL0);
    double barLengthAdj = 0.0;
    if (barLength > 0.0 && barLength < getMinimumBarLength()) {
        barLengthAdj = getMinimumBarLength() - barLength;
    }
    double barL0Adj = 0.0;
    RectangleEdge barBase;
    if (orientation == PlotOrientation.HORIZONTAL) {
        if (positive && inverted || !positive && !inverted) {
            barL0Adj = barLengthAdj;
            barBase = RectangleEdge.RIGHT;
        } else {
            barBase = RectangleEdge.LEFT;
        }
    } else {
        if (positive && !inverted || !positive && inverted) {
            barL0Adj = barLengthAdj;
            barBase = RectangleEdge.BOTTOM;
        } else {
            barBase = RectangleEdge.TOP;
        }
    }
    // draw the bar...
    Rectangle2D bar;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0 - barL0Adj, barW0, barLength + barLengthAdj, state.getBarWidth());
    } else {
        bar = new Rectangle2D.Double(barW0, barL0 - barL0Adj, state.getBarWidth(), barLength + barLengthAdj);
    }
    if (getShadowsVisible()) {
        this.barPainter.paintBarShadow(g2, this, row, column, bar, barBase, true);
    }
    this.barPainter.paintBar(g2, this, row, column, bar, barBase);
    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
    }
    // submit the current data point as a crosshair candidate
    int datasetIndex = plot.indexOf(dataset);
    updateCrosshairValues(state.getCrosshairState(), dataset.getRowKey(row), dataset.getColumnKey(column), value, datasetIndex, barW0, barL0, orientation);
    // add an item entity, if this information is being collected
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addItemEntity(entities, dataset, row, column, bar);
    }
}