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 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 static class	MapMover.JMapViewerUpdater
private class	MapMover.ZoomerAction

Field Summary

Fields

Modifier and Type	Field and Description
private MapViewState.MapViewPoint	mousePosMoveStart The point in the map that was the under the mouse point when moving around started.
private NavigatableComponent	nc The map to move around.
static BooleanProperty	PROP_ZOOM_REVERSE_WHEEL Zoom wheel is reversed.
private java.util.ArrayList<Pair<MapMover.ZoomerAction,Shortcut>>	registeredShortcuts

Constructor Summary

Constructors

Constructor and Description
MapMover(NavigatableComponent navComp) Constructs a new MapMover.

Method Summary

Modifier and Type	Method and Description
void	destroy() Called when the object has been destroyed.
private void	doMoveForDrag(java.awt.event.MouseEvent e)
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.
boolean	movementInProgress() Determines if a map move is in progress.
private void	registerActionShortcut(MapMover.ZoomerAction action, Shortcut shortcut)
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

PROP_ZOOM_REVERSE_WHEEL

public static final BooleanProperty PROP_ZOOM_REVERSE_WHEEL

Zoom wheel is reversed.

mousePosMoveStart

private MapViewState.MapViewPoint mousePosMoveStart

The point in the map that was the under the mouse point when moving around started. This is null if movement is not active

nc

private final NavigatableComponent nc

The map to move around.

registeredShortcuts

private final java.util.ArrayList<Pair<MapMover.ZoomerAction,Shortcut>> registeredShortcuts

Constructor Detail

MapMover

public MapMover(NavigatableComponent navComp)

Constructs a new MapMover.

Parameters:

navComp - the navigatable component

Since:

11713

Method Detail

registerActionShortcut

private void registerActionShortcut(MapMover.ZoomerAction action,
                                    Shortcut shortcut)

movementInProgress

public boolean movementInProgress()

Determines if a map move is in progress.

Returns:

true if a map move is in progress

Since:

13987

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

doMoveForDrag

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

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