li.netcat.chart.data
Class RowScaleModel

java.lang.Object
  li.netcat.chart.data.AbstractChartModelAdapter
      li.netcat.chart.data.RowScaleModel

All Implemented Interfaces:

ChartModelAdapter, ScaleModel

public class RowScaleModel

extends AbstractChartModelAdapter

implements ScaleModel

Implementation of a scale model that uses the rows of a ChartModel as data.

Author:

Arthur Marxer

Constructor Summary

RowScaleModel(boolean centered)
Constructs a new RowScaleModel and sets the given centered flag.

Method Summary

float	getLength() Returns the length of the scale
int	getMarkCount() Returns the number of marks of this scale.
float	getPosition(int markIndex) Returns the position of the mark at the given index.
java.lang.String	getText(int markIndex) Returns the text of the mark at the given index.
double	getValue(int markIndex) Returns the value of the mark at the given index.
void	invalidate() Invoked when the underlying model changes.
boolean	isCentered() Returns the centered flag.
void	setCentered(boolean centered) Sets the centered flag.
void	setLength(float length) Sets the length of the scale.
float	toPosition(double value) Calculates the position of an arbitrary value.

Methods inherited from class li.netcat.chart.data.AbstractChartModelAdapter

getChartModel, setChartModel

Methods inherited from class java.lang.Object

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

Methods inherited from interface li.netcat.chart.data.ChartModelAdapter

getChartModel, setChartModel

Constructor Detail

RowScaleModel

public RowScaleModel(boolean centered)

Constructs a new RowScaleModel and sets the given centered flag.

Parameters:

centered - The centered flag.

Method Detail

setCentered

public void setCentered(boolean centered)

Sets the centered flag.

Parameters:

centered - The centered flag.

getLength

public float getLength()

Description copied from interface: ScaleModel

Returns the length of the scale

Specified by:

getLength in interface ScaleModel

Returns:

The length of the scale. This value is always > 0.0f.

setLength

public void setLength(float length)

Description copied from interface: ScaleModel

Sets the length of the scale.

Specified by:

setLength in interface ScaleModel

Parameters:

length - The length of the scale, must be > 0.0f.

getMarkCount

public int getMarkCount()

Description copied from interface: ScaleModel

Returns the number of marks of this scale.

Specified by:

getMarkCount in interface ScaleModel

Returns:

The number of marks.

getPosition

public float getPosition(int markIndex)

Description copied from interface: ScaleModel

Returns the position of the mark at the given index.

Specified by:

getPosition in interface ScaleModel

Parameters:

markIndex - The index of the mark. It must be >= 0 and < getMarkCount().

getValue

public double getValue(int markIndex)

Description copied from interface: ScaleModel

Returns the value of the mark at the given index.

Specified by:

getValue in interface ScaleModel

Parameters:

markIndex - The index of the mark. It must be >= 0 and < getMarkCount().

getText

public java.lang.String getText(int markIndex)

Description copied from interface: ScaleModel

Returns the text of the mark at the given index.

Specified by:

getText in interface ScaleModel

Parameters:

markIndex - The index of the mark. It must be >= 0 and < getMarkCount().

toPosition

public float toPosition(double value)

Description copied from interface: ScaleModel

Calculates the position of an arbitrary value.

Specified by:

toPosition in interface ScaleModel

Parameters:

value - An arbitrary value.

Returns:

The position of the value in this scale.

isCentered

public boolean isCentered()

Description copied from interface: ScaleModel

Returns the centered flag.

Specified by:

isCentered in interface ScaleModel

Returns:

The centered flag.

invalidate

public void invalidate()

Description copied from class: AbstractChartModelAdapter

Invoked when the underlying model changes. Subclasses may override this method and discard all buffered data.

Overrides:

invalidate in class AbstractChartModelAdapter