li.netcat.chart.data
Class ColumnLegendModel

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

All Implemented Interfaces:

ChartModelAdapter, LegendModel

public class ColumnLegendModel

extends AbstractChartModelAdapter

implements LegendModel

Implementation of a legend model that uses the names of the columns as text for the legend.

Author:

Arthur Marxer

Constructor Summary

ColumnLegendModel()
Constructs a new and empty ColumnLegendModel.

Method Summary

int	getColumnIndex(int entryIndex) Returns the index of the column for a given entry index.
int	getEntryCount() Returns the number of entries in this LegendModel.
int	getRowIndex(int entryIndex) Returns the index of the row for a given entry index.
java.lang.String	getText(int entryIndex) Returns the text for a given entry index.
void	invalidate() Invoked when the underlying model changes.

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

ColumnLegendModel

public ColumnLegendModel()

Constructs a new and empty ColumnLegendModel.

Method Detail

getEntryCount

public int getEntryCount()

Description copied from interface: LegendModel

Returns the number of entries in this LegendModel.

Specified by:

getEntryCount in interface LegendModel

Returns:

The number of entries in this LegendModel.

getText

public java.lang.String getText(int entryIndex)

Description copied from interface: LegendModel

Returns the text for a given entry index.

Specified by:

getText in interface LegendModel

Parameters:

entryIndex - The index of the entry, it must be >=0 and <getEntryCount().

Returns:

The text at the given index, might also be null.

getRowIndex

public int getRowIndex(int entryIndex)

Description copied from interface: LegendModel

Returns the index of the row for a given entry index.

Specified by:

getRowIndex in interface LegendModel

Parameters:

entryIndex - The index of the entry, it must be >=0 and <getEntryCount().

Returns:

The index of the data row.

getColumnIndex

public int getColumnIndex(int entryIndex)

Description copied from interface: LegendModel

Returns the index of the column for a given entry index.

Specified by:

getColumnIndex in interface LegendModel

Parameters:

entryIndex - The index of the entry, it must be >=0 and <getEntryCount().

Returns:

The index of the data column.

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