Class HistoryBrowserInterface.RemoveChildCommand

java.lang.Object

org.apache.batik.apps.svgbrowser.AbstractUndoableCommand

org.apache.batik.apps.svgbrowser.HistoryBrowserInterface.RemoveChildCommand

All Implemented Interfaces:

UndoableCommand

Enclosing class:

HistoryBrowserInterface

public static class HistoryBrowserInterface.RemoveChildCommand
extends AbstractUndoableCommand

The RemoveChild command. Removes the given child node from its given parent node.

Field Summary

Fields

Modifier and Type	Field	Description
protected Node	childNode	The node to be removed.
protected int	indexInChildrenArray	Node's index in parent's children array.
protected Node	parentNode	Node's previous parent.

Fields inherited from class AbstractUndoableCommand

name

Constructor Summary

Constructors

Constructor	Description
RemoveChildCommand(String commandName, Node parentNode, Node childNode)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	execute()	Executes this command.
void	redo()	Performs redo for this command.
boolean	shouldExecute()	Tests if the command can be executed.
void	undo()	Performs undo for this command.

Methods inherited from class AbstractUndoableCommand

getName, setName

Methods inherited from class Object

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

Field Details

parentNode

protected Node parentNode

Node's previous parent.

childNode

protected Node childNode

The node to be removed.

indexInChildrenArray

protected int indexInChildrenArray

Node's index in parent's children array.

Constructor Details

RemoveChildCommand

public RemoveChildCommand(String commandName,
 Node parentNode,
 Node childNode)

Constructor.

Method Details

execute

public void execute()

Description copied from interface: UndoableCommand

Executes this command.

Specified by:

execute in interface UndoableCommand

Overrides:

execute in class AbstractUndoableCommand

undo

public void undo()

Description copied from interface: UndoableCommand

Performs undo for this command.

Specified by:

undo in interface UndoableCommand

Overrides:

undo in class AbstractUndoableCommand

redo

public void redo()

Description copied from interface: UndoableCommand

Performs redo for this command.

Specified by:

redo in interface UndoableCommand

Overrides:

redo in class AbstractUndoableCommand

shouldExecute

public boolean shouldExecute()

Description copied from interface: UndoableCommand

Tests if the command can be executed.

Specified by:

shouldExecute in interface UndoableCommand

Overrides:

shouldExecute in class AbstractUndoableCommand

Returns:

True if command should be executed