Package org.jfree.data.category

Examples of org.jfree.data.category.CategoryDataset

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        }
        clone.rangeAxisLocations = (ObjectList) this.rangeAxisLocations.clone();

        clone.datasets = (ObjectList) this.datasets.clone();
        for (int i = 0; i < clone.datasets.size(); i++) {
            CategoryDataset dataset = clone.getDataset(i);
            if (dataset != null) {
                dataset.addChangeListener(clone);
            }
        }
        clone.datasetToDomainAxesMap = new TreeMap();
        clone.datasetToDomainAxesMap.putAll(this.datasetToDomainAxesMap);
        clone.datasetToRangeAxesMap = new TreeMap();
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   * Creates a new chart.
   *
   */
  public ExampleChart() throws IOException
  {
    CategoryDataset dataset = createDataset();
    JFreeChart chart = createChart(dataset);
    ChartUtilities.saveChartAsJPEG(new File("./jfreeImages/chart.png"), chart, 500, 300);

  }
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                                     int rendererIndex,
                                     CategoryItemRendererState state) {

        // calculate the bar width
        CategoryAxis xAxis = plot.getDomainAxisForDataset(rendererIndex);
        CategoryDataset data = plot.getDataset(rendererIndex);
        if (data != null) {
            PlotOrientation orientation = plot.getOrientation();
            double space = 0.0;
            if (orientation == PlotOrientation.HORIZONTAL) {
                space = dataArea.getHeight();
            }
            else if (orientation == PlotOrientation.VERTICAL) {
                space = dataArea.getWidth();
            }
            double maxWidth = space * getMaximumBarWidth();
            int columns = data.getColumnCount();
            double categoryMargin = 0.0;
            if (columns > 1) {
                categoryMargin = xAxis.getCategoryMargin();
            }

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        if (cp == null) {
            return null;
        }

        if (isSeriesVisible(series) && isSeriesVisibleInLegend(series)) {
            CategoryDataset dataset = cp.getDataset(datasetIndex);
            String label = getLegendItemLabelGenerator().generateLabel(
                    dataset, series);
            String description = label;
            String toolTipText = null;
            if (getLegendItemToolTipGenerator() != null) {
                toolTipText = getLegendItemToolTipGenerator().generateLabel(
                        dataset, series);
            }
            String urlText = null;
            if (getLegendItemURLGenerator() != null) {
                urlText = getLegendItemURLGenerator().generateLabel(
                        dataset, series);
            }
            Shape shape = lookupLegendShape(series);
            Paint paint = lookupSeriesPaint(series);
            Paint fillPaint = (this.useFillPaint
                    ? getItemFillPaint(series, 0) : paint);
            boolean shapeOutlineVisible = this.drawOutlines;
            Paint outlinePaint = (this.useOutlinePaint
                    ? getItemOutlinePaint(series, 0) : paint);
            Stroke outlineStroke = lookupSeriesOutlineStroke(series);
            boolean lineVisible = getItemLineVisible(series, 0);
            boolean shapeVisible = getItemShapeVisible(series, 0);
            LegendItem result = new LegendItem(label, description, toolTipText,
                    urlText, shapeVisible, shape, getItemShapeFilled(series, 0),
                    fillPaint, shapeOutlineVisible, outlinePaint, outlineStroke,
                    lineVisible, new Line2D.Double(-7.0, 0.0, 7.0, 0.0),
                    getItemStroke(series, 0), getItemPaint(series, 0));
            result.setLabelFont(lookupLegendTextFont(series));
            Paint labelPaint = lookupLegendTextPaint(series);
            if (labelPaint != null) {
                result.setLabelPaint(labelPaint);
            }
            result.setDataset(dataset);
            result.setDatasetIndex(datasetIndex);
            result.setSeriesKey(dataset.getRowKey(series));
            result.setSeriesIndex(series);
            return result;
        }
        return null;
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        // check that a legend item needs to be displayed...
        if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
            return null;
        }

        CategoryDataset dataset = cp.getDataset(datasetIndex);
        String label = getLegendItemLabelGenerator().generateLabel(dataset,
                series);
        String description = label;
        String toolTipText = null;
        if (getLegendItemToolTipGenerator() != null) {
            toolTipText = getLegendItemToolTipGenerator().generateLabel(
                    dataset, series);
        }
        String urlText = null;
        if (getLegendItemURLGenerator() != null) {
            urlText = getLegendItemURLGenerator().generateLabel(dataset,
                    series);
        }
        Shape shape = lookupLegendShape(series);
        Paint paint = lookupSeriesPaint(series);
        Paint outlinePaint = lookupSeriesOutlinePaint(series);
        Stroke outlineStroke = lookupSeriesOutlineStroke(series);
        LegendItem result = new LegendItem(label, description, toolTipText,
                urlText, shape, paint, outlineStroke, outlinePaint);
        result.setLabelFont(lookupLegendTextFont(series));
        Paint labelPaint = lookupLegendTextPaint(series);
        if (labelPaint != null) {
            result.setLabelPaint(labelPaint);
        }
        result.setDataset(dataset);
        result.setDatasetIndex(datasetIndex);
        result.setSeriesKey(dataset.getRowKey(series));
        result.setSeriesIndex(series);
        return result;

    }
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        CategoryItemRendererState state = super.initialise(g2, dataArea, plot,
                rendererIndex, info);
        // calculate the box width
        CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
        CategoryDataset dataset = plot.getDataset(rendererIndex);
        if (dataset != null) {
            int columns = dataset.getColumnCount();
            int rows = dataset.getRowCount();
            double space = 0.0;
            PlotOrientation orientation = plot.getOrientation();
            if (orientation == PlotOrientation.HORIZONTAL) {
                space = dataArea.getHeight();
            }
            else if (orientation == PlotOrientation.VERTICAL) {
                space = dataArea.getWidth();
            }
            double maxWidth = space * getMaximumBarWidth();
            double categoryMargin = 0.0;
            double currentItemMargin = 0.0;
            if (columns > 1) {
                categoryMargin = domainAxis.getCategoryMargin();
            }
            if (rows > 1) {
                currentItemMargin = getItemMargin();
            }
            double used = space * (1 - domainAxis.getLowerMargin()
                                     - domainAxis.getUpperMargin()
                                     - categoryMargin - currentItemMargin);
            if ((rows * columns) > 0) {
                state.setBarWidth(Math.min(used / (dataset.getColumnCount()
                        * dataset.getRowCount()), maxWidth));
            }
            else {
                state.setBarWidth(Math.min(used, maxWidth));
            }
        }
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      if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series))
      {
         return null;
      }

      CategoryDataset dataset = cp.getDataset(datasetIndex);
      String label = getLegendItemLabelGenerator().generateLabel(dataset,
              series);
      String description = label;
      String toolTipText = null;
      if (getLegendItemToolTipGenerator() != null)
      {
         toolTipText = getLegendItemToolTipGenerator().generateLabel(
                 dataset, series);
      }
      String urlText = null;
     
      if (getLegendItemURLGenerator() != null)
      {
         urlText = getLegendItemURLGenerator().generateLabel(dataset,
                 series);
      }
     
      Shape shape = lookupLegendShape(series);
      Paint paint = lookupSeriesPaint(series);
      Paint outlinePaint = lookupSeriesOutlinePaint(series);
      Stroke outlineStroke = lookupSeriesOutlineStroke(series);

      LegendItem result = new LegendItem(label, description, toolTipText,
              urlText, shape, paint, outlineStroke, outlinePaint);
     
      result.setLabelFont(lookupLegendTextFont(series));
      Paint labelPaint = lookupLegendTextPaint(series);
      if (labelPaint != null)
      {
         result.setLabelPaint(labelPaint);
      }
      result.setDataset(dataset);
      result.setDatasetIndex(datasetIndex);
      result.setSeriesKey(dataset.getRowKey(series));
      result.setSeriesIndex(series);
      return result;

   }
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                                     int rendererIndex,
                                     CategoryItemRendererState state) {

        // calculate the bar width
        CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
        CategoryDataset data = plot.getDataset(rendererIndex);
        if (data != null) {
            PlotOrientation orientation = plot.getOrientation();
            double space = 0.0;
            if (orientation == PlotOrientation.HORIZONTAL) {
                space = dataArea.getHeight();
            }
            else if (orientation == PlotOrientation.VERTICAL) {
                space = dataArea.getWidth();
            }
            double maxWidth = space * getMaximumBarWidth();
            int columns = data.getColumnCount();
            double categoryMargin = 0.0;
            if (columns > 1) {
                categoryMargin = domainAxis.getCategoryMargin();
            }

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        // check that a legend item needs to be displayed...
        if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
            return null;
        }

        CategoryDataset dataset = p.getDataset(datasetIndex);
        String label = getLegendItemLabelGenerator().generateLabel(dataset,
                series);
        String description = label;
        String toolTipText = null;
        if (getLegendItemToolTipGenerator() != null) {
            toolTipText = getLegendItemToolTipGenerator().generateLabel(
                    dataset, series);
        }
        String urlText = null;
        if (getLegendItemURLGenerator() != null) {
            urlText = getLegendItemURLGenerator().generateLabel(dataset,
                    series);
        }
        Shape shape = lookupLegendShape(series);
        Paint paint = lookupSeriesPaint(series);

        LegendItem item = new LegendItem(label, description, toolTipText,
                urlText, shape, paint);
        item.setLabelFont(lookupLegendTextFont(series));
        Paint labelPaint = lookupLegendTextPaint(series);
        if (labelPaint != null) {
            item.setLabelPaint(labelPaint);
        }
        item.setSeriesKey(dataset.getRowKey(series));
        item.setSeriesIndex(series);
        item.setDataset(dataset);
        item.setDatasetIndex(datasetIndex);
        return item;
    }
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                                     int rendererIndex,
                                     CategoryItemRendererState state) {

        // calculate the bar width
        CategoryAxis xAxis = plot.getDomainAxisForDataset(rendererIndex);
        CategoryDataset data = plot.getDataset(rendererIndex);
        if (data != null) {
            PlotOrientation orientation = plot.getOrientation();
            double space = 0.0;
            if (orientation == PlotOrientation.HORIZONTAL) {
                space = dataArea.getHeight();
            }
            else if (orientation == PlotOrientation.VERTICAL) {
                space = dataArea.getWidth();
            }
            double maxWidth = space * getMaximumBarWidth();
            int groups = this.seriesToGroupMap.getGroupCount();
            int categories = data.getColumnCount();
            int columns = groups * categories;
            double categoryMargin = 0.0;
            double itemMargin = 0.0;
            if (categories > 1) {
                categoryMargin = xAxis.getCategoryMargin();
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