Package org.jfree.chart.title
Class LegendTitle
java.lang.Object
org.jfree.chart.block.AbstractBlock
org.jfree.chart.title.Title
org.jfree.chart.title.LegendTitle
- All Implemented Interfaces:
Serializable
,Cloneable
,Block
,Drawable
,PublicCloneable
public class LegendTitle extends Title implements Cloneable, PublicCloneable, Serializable
A chart title that displays a legend for the data in the chart.
The title can be populated with legend items manually, or you can assign a reference to the plot, in which case the legend items will be automatically created to match the dataset(s).
- See Also:
- Serialized Form
-
Field Summary
Fields Modifier and Type Field Description static Font
DEFAULT_ITEM_FONT
The default item font.static Paint
DEFAULT_ITEM_PAINT
The default item paint.Fields inherited from class org.jfree.chart.title.Title
DEFAULT_HORIZONTAL_ALIGNMENT, DEFAULT_PADDING, DEFAULT_POSITION, DEFAULT_VERTICAL_ALIGNMENT, visible
-
Constructor Summary
Constructors Constructor Description LegendTitle(LegendItemSource source)
Constructs a new (empty) legend for the specified source.LegendTitle(LegendItemSource source, Arrangement hLayout, Arrangement vLayout)
Creates a new legend title with the specified arrangement. -
Method Summary
Modifier and Type Method Description Size2D
arrange(Graphics2D g2, RectangleConstraint constraint)
Arranges the contents of the block, within the given constraints, and returns the block size.protected Block
createLegendItemBlock(LegendItem item)
Creates a legend item block.void
draw(Graphics2D g2, Rectangle2D area)
Draws the title on a Java 2D graphics device (such as the screen or a printer).Object
draw(Graphics2D g2, Rectangle2D area, Object params)
Draws the block within the specified area.boolean
equals(Object obj)
Tests this title for equality with an arbitrary object.protected void
fetchLegendItems()
Fetches the latest legend items.Paint
getBackgroundPaint()
Returns the background paint.BlockContainer
getItemContainer()
Returns the container that holds the legend items.Font
getItemFont()
Returns the item font.RectangleInsets
getItemLabelPadding()
Returns the padding used for the items labels.Paint
getItemPaint()
Returns the item paint.RectangleAnchor
getLegendItemGraphicAnchor()
Returns the legend item graphic anchor.RectangleEdge
getLegendItemGraphicEdge()
Returns the location of the shape within each legend item.RectangleAnchor
getLegendItemGraphicLocation()
Returns the legend item graphic location.RectangleInsets
getLegendItemGraphicPadding()
Returns the padding that will be applied to each item graphic.SortOrder
getSortOrder()
Gets the order used to display legend items.LegendItemSource[]
getSources()
Returns the legend item sources.BlockContainer
getWrapper()
Returns the wrapper container, if any.void
setBackgroundPaint(Paint paint)
Sets the background paint for the legend and sends aTitleChangeEvent
to all registered listeners.void
setItemFont(Font font)
Sets the item font and sends aTitleChangeEvent
to all registered listeners.void
setItemLabelPadding(RectangleInsets padding)
Sets the padding used for the item labels in the legend.void
setItemPaint(Paint paint)
Sets the item paint.void
setLegendItemGraphicAnchor(RectangleAnchor anchor)
Sets the anchor point used for the graphic in each legend item.void
setLegendItemGraphicEdge(RectangleEdge edge)
Sets the location of the shape within each legend item.void
setLegendItemGraphicLocation(RectangleAnchor anchor)
Sets the legend item graphic location.void
setLegendItemGraphicPadding(RectangleInsets padding)
Sets the padding that will be applied to each item graphic in the legend and sends aTitleChangeEvent
to all registered listeners.void
setSortOrder(SortOrder order)
Sets the order used to display legend items.void
setSources(LegendItemSource[] sources)
Sets the legend item sources and sends aTitleChangeEvent
to all registered listeners.void
setWrapper(BlockContainer wrapper)
Sets the wrapper container for the legend.Methods inherited from class org.jfree.chart.title.Title
addChangeListener, clone, getHorizontalAlignment, getNotify, getPosition, getVerticalAlignment, hashCode, isVisible, notifyListeners, removeChangeListener, setHorizontalAlignment, setNotify, setPosition, setVerticalAlignment, setVisible
Methods inherited from class org.jfree.chart.block.AbstractBlock
arrange, calculateTotalHeight, calculateTotalWidth, drawBorder, getBounds, getContentXOffset, getContentYOffset, getFrame, getHeight, getID, getMargin, getPadding, getWidth, setBorder, setBounds, setFrame, setHeight, setID, setMargin, setMargin, setPadding, setPadding, setWidth, toContentConstraint, trimBorder, trimMargin, trimPadding, trimToContentHeight, trimToContentWidth
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.jfree.chart.block.Block
arrange, getBounds, getID, setBounds, setID
Methods inherited from interface org.jfree.chart.util.PublicCloneable
clone
-
Field Details
-
DEFAULT_ITEM_FONT
The default item font. -
DEFAULT_ITEM_PAINT
The default item paint.
-
-
Constructor Details
-
LegendTitle
Constructs a new (empty) legend for the specified source.- Parameters:
source
- the source.
-
LegendTitle
Creates a new legend title with the specified arrangement.- Parameters:
source
- the source.hLayout
- the horizontal item arrangement (null
not permitted).vLayout
- the vertical item arrangement (null
not permitted).
-
-
Method Details
-
getSources
Returns the legend item sources.- Returns:
- The sources.
-
setSources
Sets the legend item sources and sends aTitleChangeEvent
to all registered listeners.- Parameters:
sources
- the sources (null
not permitted).
-
getBackgroundPaint
Returns the background paint.- Returns:
- The background paint (possibly
null
).
-
setBackgroundPaint
Sets the background paint for the legend and sends aTitleChangeEvent
to all registered listeners.- Parameters:
paint
- the paint (null
permitted).
-
getLegendItemGraphicEdge
Returns the location of the shape within each legend item.- Returns:
- The location (never
null
).
-
setLegendItemGraphicEdge
Sets the location of the shape within each legend item.- Parameters:
edge
- the edge (null
not permitted).
-
getLegendItemGraphicAnchor
Returns the legend item graphic anchor.- Returns:
- The graphic anchor (never
null
).
-
setLegendItemGraphicAnchor
Sets the anchor point used for the graphic in each legend item.- Parameters:
anchor
- the anchor point (null
not permitted).
-
getLegendItemGraphicLocation
Returns the legend item graphic location.- Returns:
- The location (never
null
).
-
setLegendItemGraphicLocation
Sets the legend item graphic location.- Parameters:
anchor
- the anchor (null
not permitted).
-
getLegendItemGraphicPadding
Returns the padding that will be applied to each item graphic.- Returns:
- The padding (never
null
).
-
setLegendItemGraphicPadding
Sets the padding that will be applied to each item graphic in the legend and sends aTitleChangeEvent
to all registered listeners.- Parameters:
padding
- the padding (null
not permitted).
-
getItemFont
Returns the item font.- Returns:
- The font (never
null
).
-
setItemFont
Sets the item font and sends aTitleChangeEvent
to all registered listeners.- Parameters:
font
- the font (null
not permitted).
-
getItemPaint
Returns the item paint.- Returns:
- The paint (never
null
).
-
setItemPaint
Sets the item paint.- Parameters:
paint
- the paint (null
not permitted).
-
getItemLabelPadding
Returns the padding used for the items labels.- Returns:
- The padding (never
null
).
-
setItemLabelPadding
Sets the padding used for the item labels in the legend.- Parameters:
padding
- the padding (null
not permitted).
-
getSortOrder
Gets the order used to display legend items.- Returns:
- The order (never
null
).
-
setSortOrder
Sets the order used to display legend items.- Parameters:
order
- Specifies ascending or descending order (null
not permitted).
-
fetchLegendItems
Fetches the latest legend items. -
createLegendItemBlock
Creates a legend item block.- Parameters:
item
- the legend item.- Returns:
- The block.
-
getItemContainer
Returns the container that holds the legend items.- Returns:
- The container for the legend items.
-
arrange
Arranges the contents of the block, within the given constraints, and returns the block size.- Specified by:
arrange
in interfaceBlock
- Overrides:
arrange
in classAbstractBlock
- Parameters:
g2
- the graphics device.constraint
- the constraint (null
not permitted).- Returns:
- The block size (in Java2D units, never
null
).
-
draw
Draws the title on a Java 2D graphics device (such as the screen or a printer). -
draw
Draws the block within the specified area.- Specified by:
draw
in interfaceBlock
- Parameters:
g2
- the graphics device.area
- the area.params
- ignored (null
permitted).- Returns:
- An
EntityBlockResult
ornull
.
-
getWrapper
Returns the wrapper container, if any.- Returns:
- The wrapper container (possibly
null
).
-
setWrapper
Sets the wrapper container for the legend.- Parameters:
wrapper
- the wrapper container.
-
equals
Tests this title for equality with an arbitrary object.
-