org.gvsig.app.project.documents.view.toolListeners

Class MapOverviewListener

java.lang.Object

org.gvsig.app.project.documents.view.toolListeners.MapOverviewListener

All Implemented Interfaces:

PointListener, ToolListener

public class MapOverviewListener
extends java.lang.Object
implements PointListener

Listener for changes of the zoom caused by selecting a point on the associated MapOverview object by a single click of the button 1 of the mouse.

Updates the extent of its ViewPort with a zoom out operation, and enables/disables controls for managing the data.

See Also:

ViewPort

Field Summary

Fields

Modifier and Type	Field and Description
protected MapOverview	mapControl Reference to the MapControl object that uses.

Constructor Summary

Constructors

Constructor and Description
MapOverviewListener(MapOverview mapControl) Creates a new listener for zooming out the extent of the associated MapOverview object.

Method Summary

Modifier and Type	Method and Description
boolean	cancelDrawing() Determines if the drawing process that this tool executes on the MapControl instance could be canceled or not.
java.awt.Image	getImageCursor() Gets the Cursor associated to this tool.
void	point(PointEvent event) Called when one click is pressed on the associated MapControl, or the location of the cursor of the mouse has changed on it.
void	pointDoubleClick(PointEvent event) Called when a double click is pressed on the associated MapControl.

Methods inherited from class java.lang.Object

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

Field Detail

mapControl

protected MapOverview mapControl

Reference to the MapControl object that uses.

Constructor Detail

MapOverviewListener

public MapOverviewListener(MapOverview mapControl)

Creates a new listener for zooming out the extent of the associated MapOverview object.

Parameters:

mapControl - the MapControl object which represents the MapOverview

Method Detail

point

public void point(PointEvent event)

Description copied from interface: PointListener

Called when one click is pressed on the associated MapControl, or the location of the cursor of the mouse has changed on it.

Specified by:

point in interface PointListener

Parameters:

event - mouse event with the coordinates of the point selected on the associated MapControl

getImageCursor

public java.awt.Image getImageCursor()

Description copied from interface: ToolListener

Gets the Cursor associated to this tool.

Specified by:

getImageCursor in interface ToolListener

Returns:

component with the bitmap associated to this tool

cancelDrawing

public boolean cancelDrawing()

Description copied from interface: ToolListener

Determines if the drawing process that this tool executes on the MapControl instance could be canceled or not.

Specified by:

cancelDrawing in interface ToolListener

Returns:

true if is cancellable; otherwise returns false

pointDoubleClick

public void pointDoubleClick(PointEvent event)
                      throws BehaviorException

Description copied from interface: PointListener

Called when a double click is pressed on the associated MapControl.

Specified by:

pointDoubleClick in interface PointListener

Parameters:

event - mouse event and the coordinates of the point selected on the associated MapControl

Throws:

BehaviorException - will be thrown when fails the process of this tool