com.klg.jclass.table
Class TableListenerPropagator

java.lang.Object
  |
  +--com.klg.jclass.table.TableListenerPropagator

All Implemented Interfaces:

EventListener, JCTableDataListener

public class TableListenerPropagator

extends Object

implements JCTableDataListener

Wrap a formula and listen for changes to table cells which are operands for this formula. Propagate the change, if any, so others up the food chain can re-evaluate themselves.

Field Summary

protected int	column
protected com.klg.jclass.util.formulae.Operation	operation
protected int	row

Constructor Summary

TableListenerPropagator(com.klg.jclass.util.formulae.Operation operation, int row, int column)
Wrap a formula and listen for changes to table cells which are operands for this formula.

Method Summary

void	dataChanged(com.klg.jclass.table.JCTableDataEvent event) Invoked when the data source is changed.
boolean	dependant(int row1, int column1) Determine if the change occurred in any of the cells from which we derive our value.

Methods inherited from class java.lang.Object

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

Field Detail

operation

protected com.klg.jclass.util.formulae.Operation operation

row

protected int row

column

protected int column

Constructor Detail

TableListenerPropagator

public TableListenerPropagator(com.klg.jclass.util.formulae.Operation operation,
                               int row,
                               int column)

Wrap a formula and listen for changes to table cells which are operands for this formula. Propagate the change, if any, so others up the food chain can re-evaluate themselves.

Method Detail

dataChanged

public void dataChanged(com.klg.jclass.table.JCTableDataEvent event)

Invoked when the data source is changed.

Specified by:

dataChanged in interface JCTableDataListener

dependant

public boolean dependant(int row1,
                         int column1)

Determine if the change occurred in any of the cells from which we derive our value.