fdda.dialog.java2d
Class Deleter

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

All Implemented Interfaces:

ComponentVisitor, Java2DComponentVisitor, Manipulator, SelectionModifier

public class Deleter

extends AbstractManipulator

implements Java2DComponentVisitor, SelectionModifier

Deletes a component (which may be Container, e.g. the selection).

Author:

Jörg Rüdenauer

Field Summary

Fields inherited from class fdda.dialog.java2d.AbstractManipulator

graphicHolder, painter

Constructor Summary

Deleter(GraphicHolder graphicHolder)
Constructor

Method Summary

void	execute(double x, double y) Executes the action.
void	finish(double x, double y) Finishes the action, making the changes permanent.
void	start(Component component) Starts the action, using the specified component
void	start(double x, double y) Starts the action.
Object	visitComponent(Component component) General visit method for not otherwise specified components
Object	visitContainer(Container container) Visit a container
Object	visitLine(Line line) Visit a line
Object	visitLineSegment(LineSegment lineSegment) Visit a segment of a line
Object	visitMessage(Message message) Visit a message
Object	visitNode(Node node) Visit a node
Object	visitPoint(Point point) Visit a point.

Methods inherited from class fdda.dialog.java2d.AbstractManipulator

getGraphicHolder, moveToGrid, setGraphicHolder

Methods inherited from class java.lang.Object

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

Constructor Detail

Deleter

public Deleter(GraphicHolder graphicHolder)

Constructor

Parameters:

graphicHolder - the graphic holder

Method Detail

start

public void start(Component component)
           throws NoSuitableComponentException

Description copied from interface: Manipulator

Starts the action, using the specified component

Specified by:

start in interface Manipulator

Parameters:

component - the component

Throws:

NoSuitableComponentException - if the component can't be used for the action of the manipulator

start

public void start(double x,
                  double y)
           throws NoSuitableComponentException

Description copied from interface: Manipulator

Starts the action. The component is specified by its coordinates.

Specified by:

start in interface Manipulator

Parameters:

x - the x coordinate

y - the y coordinate

Throws:

NoSuitableComponentException - if no component that could be used for the action of the manipulator is at that point

execute

public void execute(double x,
                    double y)
             throws NoSuitableComponentException

Description copied from interface: Manipulator

Executes the action.

Specified by:

execute in interface Manipulator

Parameters:

x - the new x coordinate (may not be important)

y - the new y coordinate (may not be important)

Throws:

NoSuitableComponentException - if no suitable component was selected first by calling start

finish

public void finish(double x,
                   double y)
            throws NoSuitableComponentException

Description copied from interface: Manipulator

Finishes the action, making the changes permanent.

Specified by:

finish in interface Manipulator

Parameters:

x - the new x coordinate (may not be important)

y - the new y coordinate (may not be important)

Throws:

NoSuitableComponentException - if no suitable component was selected first by calling start

visitComponent

public Object visitComponent(Component component)

Description copied from interface: ComponentVisitor

General visit method for not otherwise specified components

Specified by:

visitComponent in interface ComponentVisitor

Parameters:

component - the component to visit

Returns:

depends on subclass

visitLineSegment

public Object visitLineSegment(LineSegment lineSegment)

Description copied from interface: Java2DComponentVisitor

Visit a segment of a line

Specified by:

visitLineSegment in interface Java2DComponentVisitor

Parameters:

lineSegment - the segment

Returns:

depends on subclass

visitContainer

public Object visitContainer(Container container)

Description copied from interface: ComponentVisitor

Visit a container

Specified by:

visitContainer in interface ComponentVisitor

Parameters:

container - the container

Returns:

depends on subclass

visitPoint

public Object visitPoint(Point point)

Description copied from interface: Java2DComponentVisitor

Visit a point.

Specified by:

visitPoint in interface Java2DComponentVisitor

Parameters:

point - the point

Returns:

depends on subclass

visitLine

public Object visitLine(Line line)

Description copied from interface: ComponentVisitor

Visit a line

Specified by:

visitLine in interface ComponentVisitor

Parameters:

line - the line

Returns:

depends on subclass

visitNode

public Object visitNode(Node node)

Description copied from interface: ComponentVisitor

Visit a node

Specified by:

visitNode in interface ComponentVisitor

Parameters:

node - the node

Returns:

depends on subclass

visitMessage

public Object visitMessage(Message message)

Description copied from interface: ComponentVisitor

Visit a message

Specified by:

visitMessage in interface ComponentVisitor

Parameters:

message - the message

Returns:

depends on subclass