org.openstreetmap.josm.gui

Class MapMover

java.lang.Object

java.awt.event.MouseAdapter

org.openstreetmap.josm.gui.MapMover

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener, Destroyable

public class MapMover
extends java.awt.event.MouseAdapter
implements java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, Destroyable

Enables moving of the map by holding down the right mouse button and drag the mouse. Also, enables zooming by the mouse wheel.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	MapMover.ZoomerAction

Field Summary

Fields

Modifier and Type	Field and Description
private javax.swing.JPanel	contentPane
private EastNorth	mousePosMove The point in the map that was the under the mouse point when moving around started.
private boolean	movementInPlace
private NavigatableComponent	nc The map to move around.

Constructor Summary

Constructors

Constructor and Description
MapMover(NavigatableComponent navComp, javax.swing.JPanel contentPane) Constructs a new MapMover.

Method Summary

Modifier and Type	Method and Description
void	destroy() Called when the object has been destroyed.
private void	endMovement() End the movement.
void	mouseDragged(java.awt.event.MouseEvent e) If the right (and only the right) mouse button is pressed, move the map.
void	mouseMoved(java.awt.event.MouseEvent e) Emulates dragging on Mac OSX.
void	mousePressed(java.awt.event.MouseEvent e) Start the movement, if it was the 3rd button (right button).
void	mouseReleased(java.awt.event.MouseEvent e) Change the cursor back to it's pre-move cursor.
void	mouseWheelMoved(java.awt.event.MouseWheelEvent e) Zoom the map by 1/5th of current zoom per wheel-delta.
private void	startMovement(java.awt.event.MouseEvent e) Start movement by setting a new cursor and remember the current mouse position.

Methods inherited from class java.awt.event.MouseAdapter

mouseClicked, mouseEntered, mouseExited

Methods inherited from class java.lang.Object

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

Field Detail

mousePosMove

private EastNorth mousePosMove

The point in the map that was the under the mouse point when moving around started.

nc

private final NavigatableComponent nc

The map to move around.

contentPane

private final javax.swing.JPanel contentPane

movementInPlace

private boolean movementInPlace

Constructor Detail

MapMover

public MapMover(NavigatableComponent navComp,
                javax.swing.JPanel contentPane)

Constructs a new MapMover.

Parameters:

navComp - the navigatable component

contentPane - the content pane

Method Detail

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

If the right (and only the right) mouse button is pressed, move the map.

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Overrides:

mouseDragged in class java.awt.event.MouseAdapter

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Start the movement, if it was the 3rd button (right button).

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class java.awt.event.MouseAdapter

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Change the cursor back to it's pre-move cursor.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class java.awt.event.MouseAdapter

startMovement

private void startMovement(java.awt.event.MouseEvent e)

Start movement by setting a new cursor and remember the current mouse position.

Parameters:

e - The mouse event that leat to the movement from.

endMovement

private void endMovement()

End the movement. Setting back the cursor and clear the movement variables

mouseWheelMoved

public void mouseWheelMoved(java.awt.event.MouseWheelEvent e)

Zoom the map by 1/5th of current zoom per wheel-delta.

Specified by:

mouseWheelMoved in interface java.awt.event.MouseWheelListener

Overrides:

mouseWheelMoved in class java.awt.event.MouseAdapter

Parameters:

e - The wheel event.

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Emulates dragging on Mac OSX.

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class java.awt.event.MouseAdapter

destroy

public void destroy()

Description copied from interface: Destroyable

Called when the object has been destroyed.

Specified by:

destroy in interface Destroyable