net.refractions.udig.tools.edit.behaviour
Class DefaultCancelBehaviour

java.lang.Object
  net.refractions.udig.tools.edit.behaviour.DefaultCancelBehaviour

All Implemented Interfaces:

Behaviour

public class DefaultCancelBehaviour
extends java.lang.Object
implements Behaviour

This behaviour sets the current state to NONE, the Current Edit Feature to null, the Current Shape to null and clears the current map's blackboards.

Since:

1.1.0

Author:

Jesse

Constructor Summary

DefaultCancelBehaviour()

Method Summary

UndoableMapCommand	getCommand(EditToolHandler handler) The action to be performed by this Behaviour.
void	handleError(EditToolHandler handler, java.lang.Throwable error, UndoableMapCommand command) This method is called if an exception occurs during the execution of the run method.
boolean	isValid(EditToolHandler handler) Called to determine whether this Behaviour is applicable and should be run.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultCancelBehaviour

public DefaultCancelBehaviour()

Method Detail

isValid

public boolean isValid(EditToolHandler handler)

Description copied from interface: Behaviour

Called to determine whether this Behaviour is applicable and should be run.

Specified by:

isValid in interface Behaviour

Parameters:

handler - handler that calls this Behaviour

Returns:

true if this mode is applicable and should be run.

getCommand

public UndoableMapCommand getCommand(EditToolHandler handler)

Description copied from interface: Behaviour

The action to be performed by this Behaviour. This action takes place in the event thread so it must perform quickly.

Specified by:

getCommand in interface Behaviour

Parameters:

handler - handler that calls this Behaviour

Returns:

Command that will be executed in order to perform the behaviour

handleError

public void handleError(EditToolHandler handler,
                        java.lang.Throwable error,
                        UndoableMapCommand command)

Description copied from interface: Behaviour

This method is called if an exception occurs during the execution of the run method.

This method should:

1. Rollback the changes made during the run method
2. Log the error in the plugin's log

Specified by:

handleError in interface Behaviour

error - Error that occurred

command - Command retrieved from getCommandMethod. May be null if exception occurred while executing getCommand();