org.gvsig.fmap.mapcontext.layers

Class LayerDrawEvent

java.lang.Object

org.gvsig.fmap.mapcontext.events.FMapEventBase

org.gvsig.fmap.mapcontext.layers.LayerDrawEvent

All Implemented Interfaces:

FMapEvent

public class LayerDrawEvent
extends FMapEventBase

The LayerDrawEvent class represents an event produced on a layer about a drawing change.

This event can be a notification before or after a FLayer, FLayers, or GraphicLayer is drawn.

Field Summary

Fields

Modifier and Type	Field and Description
static int	GRAPHICLAYER_AFTER_DRAW Public constant that identifies the kind of LayerDrawEvent as an event produced after drawing on a GraphicLayer.
static int	GRAPHICLAYER_BEFORE_DRAW Public constant that identifies the kind of LayerDrawEvent as an event produced before drawing on a GraphicLayer.
static int	LAYER_AFTER_DRAW Public constant that identifies the kind of LayerDrawEvent as an event produced after drawing on a FLayer or FLayers.
static int	LAYER_BEFORE_DRAW Public constant that identifies the kind of LayerDrawEvent as an event produced before drawing on a FLayer or FLayers.

Constructor Summary

Constructors

Constructor and Description
LayerDrawEvent(FLayer lyr, java.awt.Graphics2D g, ViewPort vp, int eventType) Creates a new layer draw event with all necessary information.

Method Summary

Modifier and Type	Method and Description
java.awt.Graphics2D	getGraphics() Returns an object for rendering 2-dimensional shapes, text and images on the Java(tm) platform.
FLayer	getLayer() Returns a reference to the layer where this event has been produced.
ViewPort	getViewPort() Returns the view port the information for drawing the layer in which this event has been produced.

Methods inherited from class org.gvsig.fmap.mapcontext.events.FMapEventBase

getEventType, setEventType

Methods inherited from class java.lang.Object

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

Field Detail

LAYER_BEFORE_DRAW

public static final int LAYER_BEFORE_DRAW

Public constant that identifies the kind of LayerDrawEvent as an event produced before drawing on a FLayer or FLayers.

See Also:

Constant Field Values

LAYER_AFTER_DRAW

public static final int LAYER_AFTER_DRAW

Public constant that identifies the kind of LayerDrawEvent as an event produced after drawing on a FLayer or FLayers.

See Also:

Constant Field Values

GRAPHICLAYER_BEFORE_DRAW

public static final int GRAPHICLAYER_BEFORE_DRAW

Public constant that identifies the kind of LayerDrawEvent as an event produced before drawing on a GraphicLayer.

See Also:

Constant Field Values

GRAPHICLAYER_AFTER_DRAW

public static final int GRAPHICLAYER_AFTER_DRAW

Public constant that identifies the kind of LayerDrawEvent as an event produced after drawing on a GraphicLayer.

See Also:

Constant Field Values

Constructor Detail

LayerDrawEvent

public LayerDrawEvent(FLayer lyr,
                      java.awt.Graphics2D g,
                      ViewPort vp,
                      int eventType)

Creates a new layer draw event with all necessary information.

Parameters:

lyr - layer in which the event has been produced

g - object for rendering 2D on the Java(tm) platform

vp - object with information for drawing the layer in which this event has been produced

eventType - identifies the kind of this event: LAYER_BEFORE_DRAW, LAYER_AFTER_DRAW, GRAPHICLAYER_BEFORE_DRAW or GRAPHICLAYER_AFTER_DRAW.

Method Detail

getGraphics

public java.awt.Graphics2D getGraphics()

Returns an object for rendering 2-dimensional shapes, text and images on the Java(tm) platform.

Returns:

object for rendering 2D on the Java(tm) platform

getViewPort

public ViewPort getViewPort()

Returns the view port the information for drawing the layer in which this event has been produced.

Returns:

object with information for drawing the layer in which this event has been produced

getLayer

public FLayer getLayer()

Returns a reference to the layer where this event has been produced.

Returns:

layer in which this event has been produced