fdda.dialog.java2d
Class LineCreator

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

All Implemented Interfaces:

Manipulator, SelectionModifier

public class LineCreator

extends AbstractManipulator

implements SelectionModifier

Adds lines between nodes. The starting component must be a node.

Author:

Jörg Rüdenauer

Field Summary

static int	LINE_IS_LOOP Reason for Exception: loop
static int	NO_END_NODE Reason for Exception: line not ended above node
static int	NODES_ALREADY_CONNECTED Reason for Exception: nodes already connected

Fields inherited from class fdda.dialog.java2d.AbstractManipulator

graphicHolder, painter

Constructor Summary

LineCreator(GraphicHolder graphicHolder, boolean directedLine)
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.

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

Field Detail

NO_END_NODE

public static final int NO_END_NODE

Reason for Exception: line not ended above node

See Also:

Constant Field Values

NODES_ALREADY_CONNECTED

public static final int NODES_ALREADY_CONNECTED

Reason for Exception: nodes already connected

See Also:

Constant Field Values

LINE_IS_LOOP

public static final int LINE_IS_LOOP

Reason for Exception: loop

See Also:

Constant Field Values

Constructor Detail

LineCreator

public LineCreator(GraphicHolder graphicHolder,
                   boolean directedLine)

Constructor

Parameters:

graphicHolder - the graphic holder

directedLine - whether the line shall be directed

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