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org.jfree.chart.title

Class TextTitle

Implemented Interfaces:
Cloneable, Drawable, PublicCloneable, Serializable, Block
Known Direct Subclasses:
DateTitle
public class TextTitle
extends Title
implements Serializable, Cloneable, PublicCloneable
A chart title that displays a text string with automatic wrapping as required.

Field Summary

static Font
DEFAULT_FONT
The default font.
static Paint
DEFAULT_TEXT_PAINT
The default text color.

Fields inherited from class org.jfree.chart.title.Title

DEFAULT_HORIZONTAL_ALIGNMENT, DEFAULT_PADDING, DEFAULT_POSITION, DEFAULT_VERTICAL_ALIGNMENT

Constructor Summary

TextTitle()
Creates a new title, using default attributes where necessary.
TextTitle(String text)
Creates a new title, using default attributes where necessary.
TextTitle(String text, Font font)
Creates a new title, using default attributes where necessary.
TextTitle(String text, Font font, Paint paint, RectangleEdge position, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment, RectangleInsets padding)
Creates a new title.

Method Summary

Size2D
arrange(Graphics2D g2, RectangleConstraint constraint)
Arranges the contents of the block, within the given constraints, and returns the block size.
protected Size2D
arrangeRR(Graphics2D g2, Range widthRange, Range heightRange)
Returns the content size for the title.
Object
clone()
Returns a clone of this object.
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.
protected void
drawHorizontal(Graphics2D g2, Rectangle2D area)
Draws a the title horizontally within the specified area.
protected void
drawVertical(Graphics2D g2, Rectangle2D area)
Draws a the title vertically within the specified area.
boolean
equals(Object obj)
Tests this title for equality with another object.
Paint
getBackgroundPaint()
Returns the background paint.
boolean
getExpandToFitSpace()
Returns the flag that controls whether or not the title expands to fit the available space.
Font
getFont()
Returns the font used to display the title string.
Paint
getPaint()
Returns the paint used to display the title string.
String
getText()
Returns the title text.
HorizontalAlignment
getTextAlignment()
Returns the text alignment.
String
getToolTipText()
Returns the tool tip text.
String
getURLText()
Returns the URL text.
int
hashCode()
Returns a hash code.
void
setBackgroundPaint(Paint paint)
Sets the background paint and sends a TitleChangeEvent to all registered listeners.
void
setExpandToFitSpace(boolean expand)
Sets the flag that controls whether the title expands to fit the available space, and sends a TitleChangeEvent to all registered listeners.
void
setFont(Font font)
Sets the font used to display the title string.
void
setPaint(Paint paint)
Sets the paint used to display the title string.
void
setText(String text)
Sets the title to the specified text and sends a TitleChangeEvent to all registered listeners.
void
setTextAlignment(HorizontalAlignment alignment)
Sets the text alignment.
void
setToolTipText(String text)
Sets the tool tip text to the specified text and sends a TitleChangeEvent to all registered listeners.
void
setURLText(String text)
Sets the URL text to the specified text and sends a TitleChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.title.Title

addChangeListener, clone, draw, equals, getHorizontalAlignment, getNotify, getPosition, getVerticalAlignment, hashCode, notifyListeners, removeChangeListener, setHorizontalAlignment, setNotify, setPosition, setVerticalAlignment

Methods inherited from class org.jfree.chart.block.AbstractBlock

arrange, arrange, calculateTotalHeight, calculateTotalWidth, clone, drawBorder, equals, getBorder, getBounds, getContentXOffset, getContentYOffset, getFrame, getHeight, getID, getMargin, getPadding, getWidth, setBorder, setBorder, setBounds, setFrame, setHeight, setID, setMargin, setMargin, setPadding, setPadding, setWidth, toContentConstraint, trimBorder, trimMargin, trimPadding, trimToContentHeight, trimToContentWidth

Field Details

DEFAULT_FONT

public static final Font DEFAULT_FONT
The default font.

DEFAULT_TEXT_PAINT

public static final Paint DEFAULT_TEXT_PAINT
The default text color.

Constructor Details

TextTitle

public TextTitle()
Creates a new title, using default attributes where necessary.

TextTitle

public TextTitle(String text)
Creates a new title, using default attributes where necessary.
Parameters:
text - the title text (null not permitted).

TextTitle

public TextTitle(String text,
                 Font font)
Creates a new title, using default attributes where necessary.
Parameters:
text - the title text (null not permitted).
font - the title font (null not permitted).

TextTitle

public TextTitle(String text,
                 Font font,
                 Paint paint,
                 RectangleEdge position,
                 HorizontalAlignment horizontalAlignment,
                 VerticalAlignment verticalAlignment,
                 RectangleInsets padding)
Creates a new title.
Parameters:
text - the text for the title (null not permitted).
font - the title font (null not permitted).
paint - the title paint (null not permitted).
position - the title position (null not permitted).
horizontalAlignment - the horizontal alignment (null not permitted).
verticalAlignment - the vertical alignment (null not permitted).
padding - the space to leave around the outside of the title.

Method Details

arrange

public Size2D arrange(Graphics2D g2,
                      RectangleConstraint constraint)
Arranges the contents of the block, within the given constraints, and returns the block size.
Specified by:
arrange in interface Block
Overrides:
arrange in interface AbstractBlock
Parameters:
g2 - the graphics device.
constraint - the constraint (null not permitted).
Returns:
The block size (in Java2D units, never null).

arrangeRR

protected Size2D arrangeRR(Graphics2D g2,
                           Range widthRange,
                           Range heightRange)
Returns the content size for the title. This will reflect the fact that a text title positioned on the left or right of a chart will be rotated 90 degrees.
Parameters:
g2 - the graphics device.
widthRange - the width range.
heightRange - the height range.
Returns:
The content size.

clone

public Object clone()
            throws CloneNotSupportedException
Returns a clone of this object.
Overrides:
clone in interface Title
Returns:
A clone.

draw

public void draw(Graphics2D g2,
                 Rectangle2D area)
Draws the title on a Java 2D graphics device (such as the screen or a printer).
Overrides:
draw in interface Title
Parameters:
g2 - the graphics device.
area - the area allocated for the title.

draw

public Object draw(Graphics2D g2,
                   Rectangle2D area,
                   Object params)
Draws the block within the specified area.
Specified by:
draw in interface Block
Parameters:
g2 - the graphics device.
area - the area.
params - if this is an instance of EntityBlockParams it is used to determine whether or not an EntityCollection is returned by this method.
Returns:
An EntityCollection containing a chart entity for the title, or null.

drawHorizontal

protected void drawHorizontal(Graphics2D g2,
                              Rectangle2D area)
Draws a the title horizontally within the specified area. This method will be called from the draw method.
Parameters:
g2 - the graphics device.
area - the area for the title.

drawVertical

protected void drawVertical(Graphics2D g2,
                            Rectangle2D area)
Draws a the title vertically within the specified area. This method will be called from the draw method.
Parameters:
g2 - the graphics device.
area - the area for the title.

equals

public boolean equals(Object obj)
Tests this title for equality with another object.
Overrides:
equals in interface Title
Parameters:
obj - the object (null permitted).
Returns:
true or false.

getBackgroundPaint

public Paint getBackgroundPaint()
Returns the background paint.
Returns:
The paint (possibly null).

getExpandToFitSpace

public boolean getExpandToFitSpace()
Returns the flag that controls whether or not the title expands to fit the available space.
Returns:
The flag.

getFont

public Font getFont()
Returns the font used to display the title string.
Returns:
The font (never null).

getPaint

public Paint getPaint()
Returns the paint used to display the title string.
Returns:
The paint (never null).

getText

public String getText()
Returns the title text.
Returns:
The text (never null).

getTextAlignment

public HorizontalAlignment getTextAlignment()
Returns the text alignment. This controls how the text is aligned within the title's bounds, whereas the title's horizontal alignment controls how the title's bounding rectangle is aligned within the drawing space.
Returns:
The text alignment.

getToolTipText

public String getToolTipText()
Returns the tool tip text.
Returns:
The tool tip text (possibly null).

getURLText

public String getURLText()
Returns the URL text.
Returns:
The URL text (possibly null).

hashCode

public int hashCode()
Returns a hash code.
Overrides:
hashCode in interface Title
Returns:
A hash code.

setBackgroundPaint

public void setBackgroundPaint(Paint paint)
Sets the background paint and sends a TitleChangeEvent to all registered listeners. If you set this attribute to null, no background is painted (which makes the title background transparent).
Parameters:
paint - the background paint (null permitted).

setExpandToFitSpace

public void setExpandToFitSpace(boolean expand)
Sets the flag that controls whether the title expands to fit the available space, and sends a TitleChangeEvent to all registered listeners.
Parameters:
expand - the flag.

setFont

public void setFont(Font font)
Sets the font used to display the title string. Registered listeners are notified that the title has been modified.
Parameters:
font - the new font (null not permitted).

setPaint

public void setPaint(Paint paint)
Sets the paint used to display the title string. Registered listeners are notified that the title has been modified.
Parameters:
paint - the new paint (null not permitted).

setText

public void setText(String text)
Sets the title to the specified text and sends a TitleChangeEvent to all registered listeners.
Parameters:
text - the text (null not permitted).

setTextAlignment

public void setTextAlignment(HorizontalAlignment alignment)
Sets the text alignment.
Parameters:
alignment - the alignment (null not permitted).

setToolTipText

public void setToolTipText(String text)
Sets the tool tip text to the specified text and sends a TitleChangeEvent to all registered listeners.
Parameters:
text - the text (null permitted).

setURLText

public void setURLText(String text)
Sets the URL text to the specified text and sends a TitleChangeEvent to all registered listeners.
Parameters:
text - the text (null permitted).

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