Package org.jfree.chart.renderer.category

Class GanttRenderer

java.lang.Object

org.jfree.chart.renderer.AbstractRenderer

org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

org.jfree.chart.renderer.category.BarRenderer

org.jfree.chart.renderer.category.IntervalBarRenderer

org.jfree.chart.renderer.category.GanttRenderer

All Implemented Interfaces:

Serializable, Cloneable, LegendItemSource, CategoryItemRenderer, PublicCloneable

public class GanttRenderer
extends IntervalBarRenderer
implements Serializable

A renderer for simple Gantt charts. The example shown here is generated by the GanttDemo1.java program included in the JFreeChart Demo Collection:

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.jfree.chart.renderer.category.BarRenderer

BAR_OUTLINE_WIDTH_THRESHOLD, DEFAULT_ITEM_MARGIN

Fields inherited from class org.jfree.chart.renderer.AbstractRenderer

DEFAULT_ITEM_LABEL_INSETS, DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO

Constructor Summary

Constructors

Constructor	Description
GanttRenderer()	Creates a new renderer.

Method Summary

Modifier and Type	Method	Description
void	drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass)	Draws the bar for a single (series, category) data item.
protected void	drawTask(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, GanttCategoryDataset dataset, int row, int column)	Draws a single task.
protected void	drawTasks(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, GanttCategoryDataset dataset, int row, int column)	Draws the tasks/subtasks for one item.
boolean	equals(Object obj)	Tests this renderer for equality with an arbitrary object.
Paint	getCompletePaint()	Returns the paint used to show the percentage complete.
double	getEndPercent()	Returns the position of the end of the progress indicator, as a percentage of the bar width.
Paint	getIncompletePaint()	Returns the paint used to show the percentage incomplete.
double	getItemMiddle(Comparable rowKey, Comparable columnKey, CategoryDataset dataset, CategoryAxis axis, Rectangle2D area, RectangleEdge edge)	Returns the Java2D coordinate for the middle of the specified data item.
double	getStartPercent()	Returns the position of the start of the progress indicator, as a percentage of the bar width.
void	setCompletePaint(Paint paint)	Sets the paint used to show the percentage complete and sends a RendererChangeEvent to all registered listeners.
void	setEndPercent(double percent)	Sets the position of the end of the progress indicator, as a percentage of the bar width, and sends a RendererChangeEvent to all registered listeners.
void	setIncompletePaint(Paint paint)	Sets the paint used to show the percentage incomplete and sends a RendererChangeEvent to all registered listeners.
void	setStartPercent(double percent)	Sets the position of the start of the progress indicator, as a percentage of the bar width, and sends a RendererChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.renderer.category.IntervalBarRenderer

drawInterval, findRangeBounds

Methods inherited from class org.jfree.chart.renderer.category.BarRenderer

calculateBarL0L1, calculateBarW0, calculateBarWidth, calculateSeriesWidth, drawItemLabel, findRangeBounds, getBarPainter, getBase, getDefaultBarPainter, getDefaultShadowsVisible, getGradientPaintTransformer, getIncludeBaseInRange, getItemMargin, getLegendItem, getLowerClip, getMaximumBarWidth, getMinimumBarLength, getNegativeItemLabelPositionFallback, getPositiveItemLabelPositionFallback, getShadowPaint, getShadowsVisible, getShadowXOffset, getShadowYOffset, getUpperClip, initialise, isDrawBarOutline, setBarPainter, setBase, setDefaultBarPainter, setDefaultShadowsVisible, setDrawBarOutline, setGradientPaintTransformer, setIncludeBaseInRange, setItemMargin, setMaximumBarWidth, setMinimumBarLength, setNegativeItemLabelPositionFallback, setPositiveItemLabelPositionFallback, setShadowPaint, setShadowVisible, setShadowXOffset, setShadowYOffset

Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

addEntity, addItemEntity, beginElementGroup, calculateDomainMarkerTextAnchorPoint, calculateRangeMarkerTextAnchorPoint, clone, createState, drawBackground, drawDomainGridline, drawDomainMarker, drawItemLabel, drawOutline, drawRangeLine, drawRangeMarker, getColumnCount, getDefaultItemLabelGenerator, getDefaultItemURLGenerator, getDefaultToolTipGenerator, getDomainAxis, getDrawingSupplier, getItemLabelGenerator, getItemURLGenerator, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPassCount, getPlot, getRangeAxis, getRowCount, getSeriesItemLabelGenerator, getSeriesItemURLGenerator, getSeriesToolTipGenerator, getToolTipGenerator, hashCode, setDefaultItemLabelGenerator, setDefaultItemLabelGenerator, setDefaultItemURLGenerator, setDefaultItemURLGenerator, setDefaultToolTipGenerator, setDefaultToolTipGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesItemLabelGenerator, setSeriesItemURLGenerator, setSeriesItemURLGenerator, setSeriesToolTipGenerator, setSeriesToolTipGenerator, updateCrosshairValues

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer

addChangeListener, beginElementGroup, calculateLabelAnchorPoint, clearSeriesPaints, clearSeriesStrokes, endElementGroup, fireChangeEvent, getAutoPopulateSeriesFillPaint, getAutoPopulateSeriesOutlinePaint, getAutoPopulateSeriesOutlineStroke, getAutoPopulateSeriesPaint, getAutoPopulateSeriesShape, getAutoPopulateSeriesStroke, getDataBoundsIncludesVisibleSeriesOnly, getDefaultCreateEntities, getDefaultEntityRadius, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultLegendShape, getDefaultLegendTextFont, getDefaultLegendTextPaint, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelInsets, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendShape, getLegendTextFont, getLegendTextPaint, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, getTreatLegendShapeAsLine, hasListener, isComputeItemLabelContrastColor, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, lookupLegendShape, lookupLegendTextFont, lookupLegendTextPaint, lookupSeriesFillPaint, lookupSeriesOutlinePaint, lookupSeriesOutlineStroke, lookupSeriesPaint, lookupSeriesShape, lookupSeriesStroke, notifyListeners, removeChangeListener, setAutoPopulateSeriesFillPaint, setAutoPopulateSeriesOutlinePaint, setAutoPopulateSeriesOutlineStroke, setAutoPopulateSeriesPaint, setAutoPopulateSeriesShape, setAutoPopulateSeriesStroke, setComputeItemLabelContrastColor, setDataBoundsIncludesVisibleSeriesOnly, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultEntityRadius, setDefaultFillPaint, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultLegendShape, setDefaultLegendTextFont, setDefaultLegendTextPaint, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setItemLabelAnchorOffset, setItemLabelInsets, setLegendShape, setLegendTextFont, setLegendTextPaint, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setTreatLegendShapeAsLine

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer

addChangeListener, getDefaultCreateEntities, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelFont, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeChangeListener, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend

Methods inherited from interface org.jfree.chart.util.PublicCloneable

clone

Constructor Details

GanttRenderer

public GanttRenderer()

Creates a new renderer.

Method Details

getCompletePaint

public Paint getCompletePaint()

Returns the paint used to show the percentage complete.

Returns:

The paint (never null).

See Also:

• setCompletePaint(Paint)

setCompletePaint

public void setCompletePaint(Paint paint)

Sets the paint used to show the percentage complete and sends a RendererChangeEvent to all registered listeners.

Parameters:

paint - the paint (null not permitted).

See Also:

• getCompletePaint()

getIncompletePaint

public Paint getIncompletePaint()

Returns the paint used to show the percentage incomplete.

Returns:

The paint (never null).

See Also:

• setCompletePaint(Paint)

setIncompletePaint

public void setIncompletePaint(Paint paint)

Sets the paint used to show the percentage incomplete and sends a RendererChangeEvent to all registered listeners.

Parameters:

paint - the paint (null not permitted).

See Also:

• getIncompletePaint()

getStartPercent

public double getStartPercent()

Returns the position of the start of the progress indicator, as a percentage of the bar width.

Returns:

The start percent.

See Also:

• setStartPercent(double)

setStartPercent

public void setStartPercent(double percent)

Sets the position of the start of the progress indicator, as a percentage of the bar width, and sends a RendererChangeEvent to all registered listeners.

Parameters:

percent - the percent.

See Also:

• getStartPercent()

getEndPercent

public double getEndPercent()

Returns the position of the end of the progress indicator, as a percentage of the bar width.

Returns:

The end percent.

See Also:

• setEndPercent(double)

setEndPercent

public void setEndPercent(double percent)

Sets the position of the end of the progress indicator, as a percentage of the bar width, and sends a RendererChangeEvent to all registered listeners.

Parameters:

percent - the percent.

See Also:

• getEndPercent()

drawItem

public void drawItem(Graphics2D g2,
 CategoryItemRendererState state,
 Rectangle2D dataArea,
 CategoryPlot plot,
 CategoryAxis domainAxis,
 ValueAxis rangeAxis,
 CategoryDataset dataset,
 int row,
 int column,
 int pass)

Draws the bar for a single (series, category) data item.

Specified by:

drawItem in interface CategoryItemRenderer

Overrides:

drawItem in class IntervalBarRenderer

Parameters:

g2 - the graphics device.

state - the renderer state.

dataArea - the data area.

plot - the plot.

domainAxis - the domain axis.

rangeAxis - the range axis.

dataset - the dataset.

row - the row index (zero-based).

column - the column index (zero-based).

pass - the pass index.

drawTasks

protected void drawTasks(Graphics2D g2,
 CategoryItemRendererState state,
 Rectangle2D dataArea,
 CategoryPlot plot,
 CategoryAxis domainAxis,
 ValueAxis rangeAxis,
 GanttCategoryDataset dataset,
 int row,
 int column)

Draws the tasks/subtasks for one item.

Parameters:

g2 - the graphics device.

state - the renderer state.

dataArea - the data plot area.

plot - the plot.

domainAxis - the domain axis.

rangeAxis - the range axis.

dataset - the data.

row - the row index (zero-based).

column - the column index (zero-based).

drawTask

protected void drawTask(Graphics2D g2,
 CategoryItemRendererState state,
 Rectangle2D dataArea,
 CategoryPlot plot,
 CategoryAxis domainAxis,
 ValueAxis rangeAxis,
 GanttCategoryDataset dataset,
 int row,
 int column)

Draws a single task.

Parameters:

g2 - the graphics device.

state - the renderer state.

dataArea - the data plot area.

plot - the plot.

domainAxis - the domain axis.

rangeAxis - the range axis.

dataset - the data.

row - the row index (zero-based).

column - the column index (zero-based).

getItemMiddle

public double getItemMiddle(Comparable rowKey,
 Comparable columnKey,
 CategoryDataset dataset,
 CategoryAxis axis,
 Rectangle2D area,
 RectangleEdge edge)

Returns the Java2D coordinate for the middle of the specified data item.

Specified by:

getItemMiddle in interface CategoryItemRenderer

Overrides:

getItemMiddle in class AbstractCategoryItemRenderer

Parameters:

rowKey - the row key.

columnKey - the column key.

dataset - the dataset.

axis - the axis.

area - the drawing area.

edge - the edge along which the axis lies.

Returns:

The Java2D coordinate.

equals

public boolean equals(Object obj)

Tests this renderer for equality with an arbitrary object.

Overrides:

equals in class IntervalBarRenderer

Parameters:

obj - the object (null permitted).

Returns:

A boolean.