com.bc.ceres.glayer

Interface LayerListener

All Known Subinterfaces:

LayerCanvasModel.ChangeListener

All Known Implementing Classes:

AbstractLayerListener, LayerViewInvalidationListener

public interface LayerListener

A change listener.

Method Summary

Modifier and Type	Method and Description
void	handleLayerDataChanged(Layer layer, Rectangle2D modelRegion) Called if the data of the given layer has changed.
void	handleLayerPropertyChanged(Layer layer, PropertyChangeEvent event) Called if a property of the given layer has changed.
void	handleLayersAdded(Layer parentLayer, Layer[] childLayers) Called if a new layer has been added to a collection layer.
void	handleLayersRemoved(Layer parentLayer, Layer[] childLayers) Called if an existing layer has been removed from a collection layer.

Method Detail

handleLayerPropertyChanged

void handleLayerPropertyChanged(Layer layer,
                                PropertyChangeEvent event)

Called if a property of the given layer has changed. The source of the property change event may be either the layer itself or its style (see Layer.getConfiguration()).

Parameters:

layer - The layer which triggered the change.

event - The layer property change event.

handleLayerDataChanged

void handleLayerDataChanged(Layer layer,
                            Rectangle2D modelRegion)

Called if the data of the given layer has changed.

Parameters:

layer - The layer which triggered the change.

modelRegion - The region in model coordinates which are affected by the change. May be null, if not available.

handleLayersAdded

void handleLayersAdded(Layer parentLayer,
                       Layer[] childLayers)

Called if a new layer has been added to a collection layer.

Parameters:

parentLayer - The parent layer which triggered the change.

childLayers - The child layers added.

handleLayersRemoved

void handleLayersRemoved(Layer parentLayer,
                         Layer[] childLayers)

Called if an existing layer has been removed from a collection layer.

Parameters:

parentLayer - The parent layer which triggered the change.

childLayers - The child layers removed.