org.jfree.chart.axis
Class CategoryLabelPositions

java.lang.Object
  org.jfree.chart.axis.CategoryLabelPositions

All Implemented Interfaces:

java.io.Serializable

public class CategoryLabelPositions
extends java.lang.Object
implements java.io.Serializable

Records the label positions for a category axis. Instances of this class are immutable.

See Also:

Serialized Form

Field Summary

static CategoryLabelPositions	DOWN_45 DOWN_45 category label positions.
static CategoryLabelPositions	DOWN_90 DOWN_90 category label positions.
static CategoryLabelPositions	STANDARD STANDARD category label positions.
static CategoryLabelPositions	UP_45 UP_45 category label positions.
static CategoryLabelPositions	UP_90 UP_90 category label positions.

Constructor Summary

CategoryLabelPositions()
Default constructor.

CategoryLabelPositions(CategoryLabelPosition top, CategoryLabelPosition bottom, CategoryLabelPosition left, CategoryLabelPosition right)
Creates a new position specification.

Method Summary

static CategoryLabelPositions	createDownRotationLabelPositions(double angle) Creates a new instance where the category labels angled downwards by the specified amount.
static CategoryLabelPositions	createUpRotationLabelPositions(double angle) Creates a new instance where the category labels angled upwards by the specified amount.
boolean	equals(java.lang.Object obj) Returns true if this object is equal to the specified object, and false otherwise.
CategoryLabelPosition	getLabelPosition(org.jfree.ui.RectangleEdge edge) Returns the category label position specification for an axis at the given location.
int	hashCode() Returns a hash code for this object.
static CategoryLabelPositions	replaceBottomPosition(CategoryLabelPositions base, CategoryLabelPosition bottom) Returns a new instance based on an existing instance but with the bottom position changed.
static CategoryLabelPositions	replaceLeftPosition(CategoryLabelPositions base, CategoryLabelPosition left) Returns a new instance based on an existing instance but with the left position changed.
static CategoryLabelPositions	replaceRightPosition(CategoryLabelPositions base, CategoryLabelPosition right) Returns a new instance based on an existing instance but with the right position changed.
static CategoryLabelPositions	replaceTopPosition(CategoryLabelPositions base, CategoryLabelPosition top) Returns a new instance based on an existing instance but with the top position changed.

Methods inherited from class java.lang.Object

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

Field Detail

STANDARD

public static final CategoryLabelPositions STANDARD

STANDARD category label positions.

UP_90

public static final CategoryLabelPositions UP_90

UP_90 category label positions.

DOWN_90

public static final CategoryLabelPositions DOWN_90

DOWN_90 category label positions.

UP_45

public static final CategoryLabelPositions UP_45

UP_45 category label positions.

DOWN_45

public static final CategoryLabelPositions DOWN_45

DOWN_45 category label positions.

Constructor Detail

CategoryLabelPositions

public CategoryLabelPositions()

Default constructor.

CategoryLabelPositions

public CategoryLabelPositions(CategoryLabelPosition top,
                              CategoryLabelPosition bottom,
                              CategoryLabelPosition left,
                              CategoryLabelPosition right)

Creates a new position specification.

Parameters:

top - the label position info used when an axis is at the top (null not permitted).

bottom - the label position info used when an axis is at the bottom (null not permitted).

left - the label position info used when an axis is at the left (null not permitted).

right - the label position info used when an axis is at the right (null not permitted).

Method Detail

createUpRotationLabelPositions

public static CategoryLabelPositions createUpRotationLabelPositions(double angle)

Creates a new instance where the category labels angled upwards by the specified amount.

Parameters:

angle - the rotation angle (should be < Math.PI / 2.0).

Returns:

A category label position specification.

createDownRotationLabelPositions

public static CategoryLabelPositions createDownRotationLabelPositions(double angle)

Creates a new instance where the category labels angled downwards by the specified amount.

Parameters:

angle - the rotation angle (should be < Math.PI / 2.0).

Returns:

A category label position specification.

getLabelPosition

public CategoryLabelPosition getLabelPosition(org.jfree.ui.RectangleEdge edge)

Returns the category label position specification for an axis at the given location.

Parameters:

edge - the axis location.

Returns:

The category label position specification.

replaceTopPosition

public static CategoryLabelPositions replaceTopPosition(CategoryLabelPositions base,
                                                        CategoryLabelPosition top)

Returns a new instance based on an existing instance but with the top position changed.

Parameters:

base - the base (null not permitted).

top - the top position (null not permitted).

Returns:

A new instance (never null).

replaceBottomPosition

public static CategoryLabelPositions replaceBottomPosition(CategoryLabelPositions base,
                                                           CategoryLabelPosition bottom)

Returns a new instance based on an existing instance but with the bottom position changed.

Parameters:

base - the base (null not permitted).

bottom - the bottom position (null not permitted).

Returns:

A new instance (never null).

replaceLeftPosition

public static CategoryLabelPositions replaceLeftPosition(CategoryLabelPositions base,
                                                         CategoryLabelPosition left)

Returns a new instance based on an existing instance but with the left position changed.

Parameters:

base - the base (null not permitted).

left - the left position (null not permitted).

Returns:

A new instance (never null).

replaceRightPosition

public static CategoryLabelPositions replaceRightPosition(CategoryLabelPositions base,
                                                          CategoryLabelPosition right)

Returns a new instance based on an existing instance but with the right position changed.

Parameters:

base - the base (null not permitted).

right - the right position (null not permitted).

Returns:

A new instance (never null).

equals

public boolean equals(java.lang.Object obj)

Returns true if this object is equal to the specified object, and false otherwise.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the other object.

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this object.

Overrides:

hashCode in class java.lang.Object

Returns:

A hash code.