li.netcat.chart.util.tag
Class BasicTagManager

java.lang.Object
  li.netcat.chart.util.tag.BasicTagManager

All Implemented Interfaces:

TagManager

public class BasicTagManager

extends java.lang.Object

implements TagManager

Basic implementation of a TagManager. This manager does not use any line to connect the text with the target point. It also does not handle overlaps of tags. The text alignment and the angle can be specified.

Author:

Arthur Marxer

Field Summary

static int	BASELINE Equal to ChartConstants.BASELINE
static int	BOTTOM Equal to ChartConstants.BOTTOM
static int	CENTER Equal to ChartConstants.CENTER
static int	LEFT Equal to ChartConstants.LEFT
static int	RIGHT Equal to ChartConstants.RIGHT
static int	TOP Equal to ChartConstants.TOP

Constructor Summary

BasicTagManager()
Constructs a new BasicTagManager with its default properties.

BasicTagManager(int horizontalTextAlignment, int verticalTextAlignment, float angleDegrees)
Constructs a new BasicTagManager using the given text alignment and angle.

Method Summary

float	getAngleDegrees() Returns the angle in degrees.
int	getHorizontalTextAlignment() Returns the horizontal text alignment.
Layout	getLayout(TagPart tagPart, java.awt.Graphics g) Handles overlaps of the given labels and calculates the resulting layout.
int	getVerticalTextAlignment() Returns the vertical text alignment.
void	setAngleDegrees(float angleDegrees) Sets the angle in degrees.
void	setHorizontalTextAlignment(int horizontalTextAlignment) Sets the horizontal text alignment.
void	setVerticalTextAlignment(int verticalTextAlignment) Sets the vertical text alignment.

Methods inherited from class java.lang.Object

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

Field Detail

TOP

public static final int TOP

Equal to ChartConstants.TOP

See Also:

Constant Field Values

LEFT

public static final int LEFT

Equal to ChartConstants.LEFT

See Also:

Constant Field Values

BOTTOM

public static final int BOTTOM

Equal to ChartConstants.BOTTOM

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

Equal to ChartConstants.RIGHT

See Also:

Constant Field Values

CENTER

public static final int CENTER

Equal to ChartConstants.CENTER

See Also:

Constant Field Values

BASELINE

public static final int BASELINE

Equal to ChartConstants.BASELINE

See Also:

Constant Field Values

Constructor Detail

BasicTagManager

public BasicTagManager()

Constructs a new BasicTagManager with its default properties.

BasicTagManager

public BasicTagManager(int horizontalTextAlignment,
                       int verticalTextAlignment,
                       float angleDegrees)

Constructs a new BasicTagManager using the given text alignment and angle.

Parameters:

horizontalTextAlignment - Specify one of LEFT, CENTER or RIGHT.

verticalTextAlignment - Specify one of TOP, CENTER, BASELINE or BOTTOM.

angleDegrees - The angle in degrees. Horizontal is specified with 0.0f and vertical with 90.0f (turn anticlockwise).

Method Detail

getHorizontalTextAlignment

public int getHorizontalTextAlignment()

Returns the horizontal text alignment.

Returns:

One of LEFT, CENTER or RIGHT.

setHorizontalTextAlignment

public void setHorizontalTextAlignment(int horizontalTextAlignment)

Sets the horizontal text alignment.

Parameters:

horizontalTextAlignment - Specify one of LEFT, CENTER or RIGHT.

getVerticalTextAlignment

public int getVerticalTextAlignment()

Returns the vertical text alignment.

Returns:

One of TOP, CENTER, BASELINE or BOTTOM.

setVerticalTextAlignment

public void setVerticalTextAlignment(int verticalTextAlignment)

Sets the vertical text alignment.

Parameters:

verticalTextAlignment - Specify one of TOP, CENTER, BASELINE or BOTTOM.

getAngleDegrees

public float getAngleDegrees()

Returns the angle in degrees. Horizontal is specified with 0.0f and vertical with 90.0f (turn anticlockwise).

Returns:

The angle in degrees.

setAngleDegrees

public void setAngleDegrees(float angleDegrees)

Sets the angle in degrees. Horizontal is specified with 0.0f and vertical with 90.0f (turn anticlockwise).

getLayout

public Layout getLayout(TagPart tagPart,
                        java.awt.Graphics g)

Description copied from interface: TagManager

Handles overlaps of the given labels and calculates the resulting layout.

Specified by:

getLayout in interface TagManager

Parameters:

tagPart - The tag part that havs to be layouted, never null.

Returns:

The calculated layout.