fdda.dialog.java2d
Class AbstractManipulator

java.lang.Object
  |
  +--fdda.dialog.java2d.AbstractManipulator

All Implemented Interfaces:

Manipulator

Direct Known Subclasses:

Deleter, LineCreator, Mover, NodeCreator, PointCreator, Selector

public abstract class AbstractManipulator

extends Object

implements Manipulator

Abstract superclass of all manipulators.

Author:

Jörg Rüdenauer

Field Summary

protected GraphicHolder	graphicHolder the graphics holder
protected Painter	painter the painter used for redrawing the components

Constructor Summary

AbstractManipulator(GraphicHolder graphicHolder)
Constructor

Method Summary

GraphicHolder	getGraphicHolder() Returns the graphics holder
protected double	moveToGrid(double u, boolean isX) Changes a coordinate so that it lies on the grid
void	setGraphicHolder(GraphicHolder graphicHolder) Sets the object holding the graphics

Methods inherited from class java.lang.Object

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

Methods inherited from interface fdda.dialog.java2d.Manipulator

execute, finish, start, start

Field Detail

graphicHolder

protected GraphicHolder graphicHolder

the graphics holder

painter

protected Painter painter

the painter used for redrawing the components

Constructor Detail

AbstractManipulator

public AbstractManipulator(GraphicHolder graphicHolder)

Constructor

Parameters:

graphicHolder - the object holding the graphics

Method Detail

getGraphicHolder

public GraphicHolder getGraphicHolder()

Description copied from interface: Manipulator

Returns the graphics holder

Specified by:

getGraphicHolder in interface Manipulator

Returns:

the graphics holder

setGraphicHolder

public void setGraphicHolder(GraphicHolder graphicHolder)

Description copied from interface: Manipulator

Sets the object holding the graphics

Specified by:

setGraphicHolder in interface Manipulator

Parameters:

graphicHolder - the graphics holder

moveToGrid

protected final double moveToGrid(double u,
                                  boolean isX)

Changes a coordinate so that it lies on the grid

Parameters:

u - the old coordinate

isX - whether the coordinate is an x coordinate (else it's y)

Returns:

the new coordinate on the grid