com.jrefinery.chart
Class StackedVerticalBarRenderer

java.lang.Object
  com.jrefinery.chart.AbstractCategoryItemRenderer
      com.jrefinery.chart.BarRenderer
          com.jrefinery.chart.VerticalBarRenderer
              com.jrefinery.chart.StackedVerticalBarRenderer

All Implemented Interfaces:

CategoryItemRenderer

public class StackedVerticalBarRenderer
extends VerticalBarRenderer

A bar renderer that draws stacked bars for a vertical bar plot.

Field Summary

Fields inherited from class com.jrefinery.chart.BarRenderer

BAR_OUTLINE_WIDTH_THRESHOLD, categoryGapSpan, categorySpan, itemGapSpan, itemSpan, itemWidth, zeroInJava2D

Fields inherited from class com.jrefinery.chart.AbstractCategoryItemRenderer

info, toolTipGenerator

Constructor Summary

StackedVerticalBarRenderer()
Constructs a renderer with a standard tool tip generator.

StackedVerticalBarRenderer(com.jrefinery.chart.tooltips.CategoryToolTipGenerator toolTipGenerator)
Constructs a renderer with a specific tool tip generator.

Method Summary

int	barWidthsPerCategory(CategoryDataset data) Returns the number of "bar widths" per category.
void	drawCategoryItem(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, CategoryPlot plot, ValueAxis axis, CategoryDataset data, int series, java.lang.Object category, int categoryIndex, java.lang.Object previousCategory) Draws a stacked bar for a specific item.
boolean	hasItemGaps() Returns a flag (always false for this renderer) to indicate whether or not there are gaps between items in the plot.
boolean	isStacked() Returns true, to indicate that this renderer stacks values.

Methods inherited from class com.jrefinery.chart.VerticalBarRenderer

drawRangeMarker, initialise

Methods inherited from class com.jrefinery.chart.BarRenderer

calculateCategoryAndItemSpans

Methods inherited from class com.jrefinery.chart.AbstractCategoryItemRenderer

drawPlotBackground, getAxisArea, getDataClipRegion, getToolTipGenerator, setToolTipGenerator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.jrefinery.chart.CategoryItemRenderer

drawPlotBackground, getAxisArea, getDataClipRegion

Constructor Detail

StackedVerticalBarRenderer

public StackedVerticalBarRenderer()

Constructs a renderer with a standard tool tip generator.

StackedVerticalBarRenderer

public StackedVerticalBarRenderer(com.jrefinery.chart.tooltips.CategoryToolTipGenerator toolTipGenerator)

Constructs a renderer with a specific tool tip generator.

Parameters:

toolTipGenerator - The tool tip generator.

Method Detail

drawCategoryItem

public void drawCategoryItem(java.awt.Graphics2D g2,
                             java.awt.geom.Rectangle2D dataArea,
                             CategoryPlot plot,
                             ValueAxis axis,
                             CategoryDataset data,
                             int series,
                             java.lang.Object category,
                             int categoryIndex,
                             java.lang.Object previousCategory)

Draws a stacked bar for a specific item.

Specified by:

drawCategoryItem in interface CategoryItemRenderer

Overrides:

drawCategoryItem in class VerticalBarRenderer

Parameters:

g2 - The graphics device.

dataArea - The plot area.

plot - The plot.

axis - The range axis.

data - The data.

series - The series number (zero-based index).

category - The category.

categoryIndex - The category number (zero-based index).

previousCategory - The previous category.

isStacked

public boolean isStacked()

Returns true, to indicate that this renderer stacks values. This affects the axis range required to display all values.

Specified by:

isStacked in interface CategoryItemRenderer

Overrides:

isStacked in class BarRenderer

Returns:

Always true.

barWidthsPerCategory

public int barWidthsPerCategory(CategoryDataset data)

Returns the number of "bar widths" per category.

For this style of rendering, there is only one bar per category.

Overrides:

barWidthsPerCategory in class VerticalBarRenderer

Parameters:

data - The dataset (ignored).

Returns:

Always 1.

hasItemGaps

public boolean hasItemGaps()

Returns a flag (always false for this renderer) to indicate whether or not there are gaps between items in the plot.

Overrides:

hasItemGaps in class VerticalBarRenderer

Returns:

Always false.