com.eliad.model
Interface RulerModelListener

All Known Implementing Classes:

GenericGridModel, RulerModelAdapter, JSmartGrid, AccessibleGrid

public interface RulerModelListener

extends java.util.EventListener

The interface of listeners to RulerModel changes

Version:

1.0 04/08/00

Author:

Patrick Mérissert-Coffinières

Method Summary

void	beforeItemsMoved(RulerModelEvent e) Calls to send a pre-notification that ruler items will be moved.
void	rulerDataChanged(RulerModelEvent e) Called whenever some data in the ruler model changes.
void	rulerModelChanged(RulerModelEvent e) Called whenever the ruler model changes.
void	rulerStructureChanged(RulerModelEvent e) Called whenever the ruler model structure undergoes a local change.

Method Detail

rulerModelChanged

public void rulerModelChanged(RulerModelEvent e)

Called whenever the ruler model changes.

Parameters:

e - the event that characterizes the change.

rulerStructureChanged

public void rulerStructureChanged(RulerModelEvent e)

Called whenever the ruler model structure undergoes a local change.

Parameters:

e - the event that characterizes the change.

rulerDataChanged

public void rulerDataChanged(RulerModelEvent e)

Called whenever some data in the ruler model changes.

Parameters:

e - the event that characterizes the change.

beforeItemsMoved

public void beforeItemsMoved(RulerModelEvent e)
                      throws java.beans.PropertyVetoException

Calls to send a pre-notification that ruler items will be moved. At this point, the action has still not been taken and can be prevented if any listener throws a PropertyVetoException. If the action is allowed, it will be followed by:

• rotating the items between the fromIndex, fromIndex+count-1 range and the toIndex to toIndex+count-1 range, so that the original fromIndex item ends up at the toIndex position. This effects all of the RulerModel indexed properties (size, preferredSize, minSize, maxSize visible)
• recomputing the dragging parameters so that the new toIndex item is now the one being moved.
• Firing a RulerModelEvent.RULER_ITEMS_MOVED event.

But if any listener throws a none of the above will take place.