Example usage for org.jfree.data.category CategoryDataset getValue

Introduction

In this page you can find the example usage for org.jfree.data.category CategoryDataset getValue.

Prototype

public Number getValue(Comparable rowKey, Comparable columnKey);

Source Link

Document

Returns the value associated with the specified keys.

Usage

From source file:diet.gridr.g5k.util.ExtendedStackedBarRenderer.java

/**
 * Returns true if the specified item is the last negative value for that
 * category./*from   w  ww  .j av  a 2 s  . c om*/
 *
 * @param dataset  the dataset.
 * @param row  the row (series).
 * @param column  the column (category).
 *
 * @return a boolean.
 */
private boolean isLastNegativeItem(CategoryDataset dataset, int row, int column) {
    boolean result = true;
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return false; // value is null
    }
    for (int r = row + 1; r < dataset.getRowCount(); r++) {
        dataValue = dataset.getValue(r, column);
        if (dataValue != null) {
            result = result && (dataValue.doubleValue() >= 0.0);
        }
    }
    return result;
}

---

From source file:com.newatlanta.bluedragon.CategoryURLGenerator.java

/**
 * Generates a URL for a particular item within a series.
 * //from   ww w . j a  v  a2  s .  com
 * @param dataset
 *          the dataset.
 * @param series
 *          the series index (zero-based).
 * @param category
 *          the category index (zero-based).
 * 
 * @return The generated URL.
 */
@SuppressWarnings("deprecation")
public String generateURL(CategoryDataset dataset, int series, int category) {
    String seriesKey = dataset.getRowKey(series).toString();
    String categoryKey = dataset.getColumnKey(category).toString();
    Number numberValue = dataset.getValue(series, category);
    String value;
    if (numberValue == null)
        value = "";
    else if (dateFormat != null)
        value = this.dateFormat.format(numberValue);
    else
        value = this.numberFormat.format(numberValue);

    StringBuilder generatedURL = new StringBuilder(urlLower.length());
    for (int i = 0; i < urlLower.length();) {
        char ch = urlLower.charAt(i);
        if (ch == '$') {
            if (urlLower.regionMatches(i, "$serieslabel$", 0, "$serieslabel$".length())) {
                generatedURL.append(URLEncoder.encode(seriesKey));
                i = i + "$serieslabel$".length();
            } else if (urlLower.regionMatches(i, "$itemlabel$", 0, "$itemlabel$".length())) {
                generatedURL.append(URLEncoder.encode(categoryKey));
                i = i + "$itemlabel$".length();
            } else if (urlLower.regionMatches(i, "$value$", 0, "$value$".length())) {
                generatedURL.append(URLEncoder.encode(value));
                i = i + "$value$".length();
            } else {
                // Preserve case by retrieving char from original URL
                generatedURL.append(url.charAt(i));
                i++;
            }
        } else {
            // Preserve case by retrieving char from original URL
            generatedURL.append(url.charAt(i));
            i++;
        }
    }
    return generatedURL.toString();
}

---

From source file:com.bdaum.zoom.report.internal.jfree.custom.CylinderRenderer.java

/**
 * Draws a cylinder to represent one data item.
 *
 * @param g2  the graphics device./*w  w  w.j  ava2s  .c o m*/
 * @param state  the renderer state.
 * @param dataArea  the area for plotting the data.
 * @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.
 */
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // check the value we are plotting...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    double value = dataValue.doubleValue();

    Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(), dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(), dataArea.getHeight() - getYOffset());

    PlotOrientation orientation = plot.getOrientation();

    double barW0 = calculateBarW0(plot, orientation, adjusted, domainAxis, state, row, column);
    double[] barL0L1 = calculateBarL0L1(value);
    if (barL0L1 == null) {
        return; // the bar is not visible
    }

    RectangleEdge edge = plot.getRangeAxisEdge();
    float transL0 = (float) rangeAxis.valueToJava2D(barL0L1[0], adjusted, edge);
    float transL1 = (float) rangeAxis.valueToJava2D(barL0L1[1], adjusted, edge);
    float barL0 = Math.min(transL0, transL1);
    float barLength = Math.abs(transL1 - transL0);

    // draw the bar...
    GeneralPath bar = new GeneralPath();
    Shape top = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar.moveTo((float) (barL0 + getXOffset() / 2), (float) barW0);
        bar.lineTo((float) (barL0 + barLength + getXOffset() / 2), (float) barW0);
        Arc2D arc = new Arc2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth(), 90, 180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barL0 + getXOffset() / 2), (float) (barW0 + state.getBarWidth()));
        arc = new Arc2D.Double(barL0, barW0, getXOffset(), state.getBarWidth(), 270, -180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();
        top = new Ellipse2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth());

    } else {
        bar.moveTo((float) barW0, (float) (barL0 - getYOffset() / 2));
        bar.lineTo((float) barW0, (float) (barL0 + barLength - getYOffset() / 2));
        Arc2D arc = new Arc2D.Double(barW0, (barL0 + barLength - getYOffset()), state.getBarWidth(),
                getYOffset(), 180, 180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barW0 + state.getBarWidth()), (float) (barL0 - getYOffset() / 2));
        arc = new Arc2D.Double(barW0, (barL0 - getYOffset()), state.getBarWidth(), getYOffset(), 0, -180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();

        top = new Ellipse2D.Double(barW0, barL0 - getYOffset(), state.getBarWidth(), getYOffset());
    }
    Paint itemPaint = getItemPaint(row, column);
    if (getGradientPaintTransformer() != null && itemPaint instanceof GradientPaint) {
        GradientPaint gp = (GradientPaint) itemPaint;
        itemPaint = getGradientPaintTransformer().transform(gp, bar);
    }
    g2.setPaint(itemPaint);
    g2.fill(bar);

    if (itemPaint instanceof GradientPaint) {
        g2.setPaint(((GradientPaint) itemPaint).getColor2());
    } else {
        g2.setPaint(PaintAlpha.darker(itemPaint)); // bd
    }
    if (top != null) {
        g2.fill(top);
    }

    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(bar);
        if (top != null) {
            g2.draw(top);
        }
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar.getBounds2D(), (value < 0.0));
    }

    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            String tip = null;
            CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
            if (tipster != null) {
                tip = tipster.generateToolTip(dataset, row, column);
            }
            String url = null;
            if (getItemURLGenerator(row, column) != null) {
                url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
            }
            CategoryItemEntity entity = new CategoryItemEntity(bar.getBounds2D(), tip, url, dataset,
                    dataset.getRowKey(row), dataset.getColumnKey(column));
            entities.add(entity);
        }
    }

}

---

From source file:diet.gridr.g5k.util.ExtendedStackedBarRenderer.java

/**
 * Calculates the sum of the positive values within a category.
 *
 * @param dataset  the dataset./*  w w w  .  ja v  a2 s.c om*/
 * @param column  the column (category).
 *
 * @return the sum of the positive values.
 */
private double calculateSumOfPositiveValuesForCategory(CategoryDataset dataset, int column) {
    double result = 0.0;
    for (int r = 0; r < dataset.getRowCount(); r++) {
        Number dataValue = dataset.getValue(r, column);
        if (dataValue != null) {
            double v = dataValue.doubleValue();
            if (v > 0.0) {
                result = result + v;
            }
        }
    }
    return result;
}

---

From source file:diet.gridr.g5k.util.ExtendedStackedBarRenderer.java

/**
 * Calculates the sum of the negative values within a category.
 *
 * @param dataset  the dataset./*from w w w .ja  v a2 s  .c o m*/
 * @param column  the column (category).
 *
 * @return the sum of the negative values.
 */
private double calculateSumOfNegativeValuesForCategory(CategoryDataset dataset, int column) {
    double result = 0.0;
    for (int r = 0; r < dataset.getRowCount(); r++) {
        Number dataValue = dataset.getValue(r, column);
        if (dataValue != null) {
            double v = dataValue.doubleValue();
            if (v < 0.0) {
                result = result + v;
            }
        }
    }
    return result;
}

---

From source file:org.jfree.chart.demo.GanttRenderer2.java

private int countPriorNonNullValues(CategoryDataset categorydataset, int i, int j) {
    if (j == 0)/*ww  w  .j a  v a  2  s .c o m*/
        return 0;
    int k = 0;
    for (int l = 0; l < j; l++)
        if (categorydataset.getValue(l, i) != null)
            k++;

    return k;
}

---

From source file:com.googlecode.logVisualizer.chart.QuestTurnsBarChart.java

@Override
protected ChartPanel createChartPanel() {
    final ChartPanel panel = super.createChartPanel();
    final JFreeChart chart = panel.getChart();
    final CategoryDataset dataset = ((CategoryPlot) chart.getPlot()).getDataset();
    final NumberAxis numberAxis = (NumberAxis) ((CategoryPlot) chart.getPlot()).getRangeAxis();

    int maxTurncount = 0;
    for (int i = 0; i < dataset.getColumnCount(); i++)
        if (dataset.getValue(0, i).intValue() > maxTurncount)
            maxTurncount = dataset.getValue(0, i).intValue();

    // Use hard ranges to make comparison between different logs easier, but
    // don't cut off the bars if some are too long.
    numberAxis.setAutoRange(false);//from w w w . j  av a  2  s. c  o m
    numberAxis.setLowerBound(0);
    numberAxis.setUpperBound(maxTurncount <= 125 ? 125 : maxTurncount + 10);

    return panel;
}

---

From source file:org.jfree.chart.demo.ExtendedStackedBarRenderer.java

/**
 * Returns true if the specified item is the last positive value for that category.
 * /*from  w  ww . j  a  v a2  s  .  c om*/
 * @param dataset  the dataset.
 * @param row  the row (series).
 * @param column  the column (category).
 * 
 * @return a boolean.
 */
private boolean isLastPositiveItem(final CategoryDataset dataset, final int row, final int column) {
    boolean result = true;
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return false; // value is null
    }
    for (int r = row + 1; r < dataset.getRowCount(); r++) {
        dataValue = dataset.getValue(r, column);
        if (dataValue != null) {
            result = result && (dataValue.doubleValue() <= 0.0);
        }
    }
    return result;
}

---

From source file:org.jfree.chart.demo.ExtendedStackedBarRenderer.java

/**
 * Returns true if the specified item is the last negative value for that category.
 * /* w  w  w. ja v  a2s  .co m*/
 * @param dataset  the dataset.
 * @param row  the row (series).
 * @param column  the column (category).
 * 
 * @return a boolean.
 */
private boolean isLastNegativeItem(final CategoryDataset dataset, final int row, final int column) {
    boolean result = true;
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return false; // value is null
    }
    for (int r = row + 1; r < dataset.getRowCount(); r++) {
        dataValue = dataset.getValue(r, column);
        if (dataValue != null) {
            result = result && (dataValue.doubleValue() >= 0.0);
        }
    }
    return result;
}

---

From source file:msi.gama.outputs.layers.charts.ChartJFreeChartOutputRadar.java

@Override
public void getModelCoordinatesInfo(final int xOnScreen, final int yOnScreen, final IDisplaySurface g,
        final Point positionInPixels, final StringBuilder sb) {
    final int x = xOnScreen - positionInPixels.x;
    final int y = yOnScreen - positionInPixels.y;
    final ChartEntity entity = info.getEntityCollection().getEntity(x, y);
    // getChart().handleClick(x, y, info);

    final Comparable<?> columnKey = ((CategoryItemEntity) entity).getColumnKey();
    final String title = columnKey.toString();
    final CategoryDataset data = ((CategoryItemEntity) entity).getDataset();
    final Comparable<?> rowKey = ((CategoryItemEntity) entity).getRowKey();
    final double xx = data.getValue(rowKey, columnKey).doubleValue();
    final boolean xInt = xx % 1 == 0;
    sb.append(title).append(" ").append(xInt ? (int) xx : String.format("%.2f", xx));

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• »