Class HistoryBrowserInterface.InsertNodeBeforeCommand

java.lang.Object

org.apache.batik.apps.svgbrowser.AbstractUndoableCommand

org.apache.batik.apps.svgbrowser.HistoryBrowserInterface.InsertNodeBeforeCommand

All Implemented Interfaces:

UndoableCommand

Enclosing class:

HistoryBrowserInterface

public static class HistoryBrowserInterface.InsertNodeBeforeCommand
extends AbstractUndoableCommand

Inserts the given node as a child to the given parent node before the specified sibling node, or as the last child of the given parent, if the sibling node is null.

Field Summary

Fields

Modifier and Type	Field	Description
protected Node	child	The node to be appended.
protected Node	newNextSibling	The node's new next sibling.
protected Node	oldNextSibling	The node's previous next sibling.
protected Node	oldParent	The node's previous parent.
protected Node	parent	The node's new parent.

Fields inherited from class AbstractUndoableCommand

name

Constructor Summary

Constructors

Constructor	Description
InsertNodeBeforeCommand(String commandName, Node parent, Node sibling, Node child)	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

oldParent

protected Node oldParent

The node's previous parent.

oldNextSibling

protected Node oldNextSibling

The node's previous next sibling.

newNextSibling

protected Node newNextSibling

The node's new next sibling.

parent

protected Node parent

The node's new parent.

child

protected Node child

The node to be appended.

Constructor Details

InsertNodeBeforeCommand

public InsertNodeBeforeCommand(String commandName,
 Node parent,
 Node sibling,
 Node child)

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