Package org.openstreetmap.josm.command

Class RotateCommand

java.lang.Object

org.openstreetmap.josm.command.Command

org.openstreetmap.josm.command.TransformNodesCommand

org.openstreetmap.josm.command.RotateCommand

All Implemented Interfaces:

PseudoCommand

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	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

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

IS_INCOMPLETE, IS_OK, IS_OUTSIDE

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
protected double	getAngle(EastNorth currentEN)	Get angle between the horizontal axis and the line formed by the pivot and given point.
java.lang.String	getDescriptionText()	Provides a description text representing this command.
double	getRotationAngle()	Returns the rotation angle.
void	handleEvent(EastNorth currentEN)	Compute new rotation angle and transform nodes accordingly.
int	hashCode()
protected void	setRotationAngle(double rotationAngle)	Set the rotation angle.
protected void	transformNodes()	Rotate nodes.

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

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

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

checkOutlyingOrIncompleteOperation, ensurePrimitivesAreInDataset, getAffectedDataSet, getOrig

Methods inherited from class java.lang.Object

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

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

getChildren

Field Detail

pivot

private final EastNorth pivot

Pivot point

startAngle

private final 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<? extends OsmPrimitive> objects,
                     EastNorth currentEN)

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

Parameters:

objects - objects to fetch nodes from

currentEN - current east/north

Method Detail

getAngle

protected final double getAngle(EastNorth currentEN)

Get angle between the horizontal axis and the line formed by the pivot and given point.

Parameters:

currentEN - current east/north

Returns:

angle between the horizontal axis and the line formed by the pivot and given point

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

setRotationAngle

protected void setRotationAngle(double rotationAngle)

Set the rotation angle.

Parameters:

rotationAngle - The rotate angle

getRotationAngle

public double getRotationAngle()

Returns the rotation angle.

Returns:

The rotation angle

transformNodes

protected void transformNodes()

Rotate nodes.

Specified by:

transformNodes in class TransformNodesCommand

getDescriptionText

public java.lang.String getDescriptionText()

Description copied from interface: PseudoCommand

Provides a description text representing this command.

Specified by:

getDescriptionText in interface PseudoCommand

Overrides:

getDescriptionText in class TransformNodesCommand

Returns:

description text representing this command

hashCode

public int hashCode()

Overrides:

hashCode in class TransformNodesCommand

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class TransformNodesCommand