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oracle.ide.ceditor
Class UndoWrapperCommand

java.lang.Object
oracle.ide.controller.Command
oracle.ide.ceditor.UndoWrapperCommand

public final class UndoWrapperCommand

extends Command

The UndoWrapperCommand class implements the IDE command and is used by the Code Editor to wrap undo messages generated by user typing. It relies on the updater to notify observers of the Node with an UpdateMessager.

See Also:

Command

Field Summary

Fields inherited from class oracle.ide.controller.Command

CANCEL, context, EXECUTING, MULTI_NODE, NO_CHANGE, NO_UNDO, NORMAL, OK, type

Constructor Summary

UndoWrapperCommand(javax.swing.undo.UndoableEdit edit, java.lang.Object updater)
Constructs a new UndoWrapperCommand based on the given edit and editor.

Method Summary

int	doit() Apply the change represented by edit.
java.lang.String	getName() Gets the name of the command to display as the action to undo
int	undo() Undo the change represented by the edit.

Methods inherited from class oracle.ide.controller.Command

getAffectedNodes, getContext, getData, getId, getType, isGlobal, setContext, setData

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoWrapperCommand

public UndoWrapperCommand(javax.swing.undo.UndoableEdit edit,
                          java.lang.Object updater)

Constructs a new UndoWrapperCommand based on the given edit and editor.

Parameters:

edit - the edit change

updater - the node updater to store

Method Detail

doit

public int doit()

Apply the change represented by edit.

Specified by:

doit in class Command

undo

public int undo()

Undo the change represented by the edit.

Overrides:

undo in class Command

getName

public java.lang.String getName()

Gets the name of the command to display as the action to undo

Overrides:

getName in class Command

Returns:

the name of this command

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