org.openstreetmap.josm.command

Class RotateCommand

java.lang.Object

org.openstreetmap.josm.command.PseudoCommand

org.openstreetmap.josm.command.Command

org.openstreetmap.josm.command.TransformNodesCommand

org.openstreetmap.josm.command.RotateCommand

public class RotateCommand
extends TransformNodesCommand

RotateCommand rotates a number of objects around their centre.

Nested Class Summary

Nested classes/interfaces inherited from class org.openstreetmap.josm.command.Command

Command.OldNodeState

Field Summary

Fields

Modifier and Type	Field and Description
private EastNorth	pivot Pivot point
private double	rotationAngle computed rotation angle between starting click and current mouse pos
private double	startAngle angle of rotation starting click to pivot

Fields inherited from class org.openstreetmap.josm.command.TransformNodesCommand

nodes, oldStates

Constructor Summary

Constructors

Constructor and Description
RotateCommand(java.util.Collection<OsmPrimitive> objects, EastNorth currentEN) Creates a RotateCommand.

Method Summary

Modifier and Type	Method and Description
protected double	getAngle(EastNorth currentEN) Get angle between the horizontal axis and the line formed by the pivot and give points.
javax.swing.Icon	getDescriptionIcon() Provides a descriptive icon of this command.
java.lang.String	getDescriptionText() Provides a description text representing this command.
void	handleEvent(EastNorth currentEN) Compute new rotation angle and transform nodes accordingly.
protected void	transformNodes() Rotate nodes.

Methods inherited from class org.openstreetmap.josm.command.TransformNodesCommand

executeCommand, fillModifiedData, flagNodesAsModified, getNodesCenter, getParticipatingPrimitives, getTransformedNodes, storeOldState, undoCommand

Methods inherited from class org.openstreetmap.josm.command.Command

checkAndConfirmOutlyingOperation, getLayer, getOrig, invalidBecauselayerRemoved

Methods inherited from class org.openstreetmap.josm.command.PseudoCommand

getChildren

Methods inherited from class java.lang.Object

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

Field Detail

pivot

private EastNorth pivot

Pivot point

startAngle

private double startAngle

angle of rotation starting click to pivot

rotationAngle

private double rotationAngle

computed rotation angle between starting click and current mouse pos

Constructor Detail

RotateCommand

public RotateCommand(java.util.Collection<OsmPrimitive> objects,
                     EastNorth currentEN)

Creates a RotateCommand. Assign the initial object set, compute pivot point and inital rotation angle.

Method Detail

getAngle

protected final double getAngle(EastNorth currentEN)

Get angle between the horizontal axis and the line formed by the pivot and give points.

handleEvent

public final void handleEvent(EastNorth currentEN)

Compute new rotation angle and transform nodes accordingly.

Specified by:

handleEvent in class TransformNodesCommand

Parameters:

currentEN - the current world position of the mouse

transformNodes

protected void transformNodes()

Rotate nodes.

Specified by:

transformNodes in class TransformNodesCommand

getDescriptionText

public java.lang.String getDescriptionText()

Description copied from class: PseudoCommand

Provides a description text representing this command.

Overrides:

getDescriptionText in class TransformNodesCommand

getDescriptionIcon

public javax.swing.Icon getDescriptionIcon()

Description copied from class: PseudoCommand

Provides a descriptive icon of this command.

Overrides:

getDescriptionIcon in class TransformNodesCommand