com.xpn.xwiki.wysiwyg.client.ui.cmd.internal
Class UndoExecutable

java.lang.Object
  com.xpn.xwiki.wysiwyg.client.ui.cmd.internal.UndoExecutable

All Implemented Interfaces:

Executable

public class UndoExecutable
extends java.lang.Object
implements Executable

Constructor Summary

UndoExecutable(History history)

Method Summary

boolean	execute(com.google.gwt.user.client.Element target, java.lang.String param) Executes the associated Command on the specified target with the given parameter.
java.lang.String	getParameter(com.google.gwt.user.client.Element target)
boolean	isEnabled(com.google.gwt.user.client.Element target)
boolean	isExecuted(com.google.gwt.user.client.Element target)
boolean	isSupported(com.google.gwt.user.client.Element target)

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoExecutable

public UndoExecutable(History history)

Method Detail

execute

public boolean execute(com.google.gwt.user.client.Element target,
                       java.lang.String param)

Executes the associated Command on the specified target with the given parameter.

Specified by:

execute in interface Executable

Parameters:

target - Execution target.

param - Execution parameter.

Returns:

true if execution succeeds.

See Also:

Executable.execute(Element, String)

getParameter

public java.lang.String getParameter(com.google.gwt.user.client.Element target)

Specified by:

getParameter in interface Executable

Parameters:

target - Execution target.

Returns:

the previous execution parameter, if Executable.isExecuted(Element) returns true, null otherwise.

See Also:

Executable.getParameter(Element)

isEnabled

public boolean isEnabled(com.google.gwt.user.client.Element target)

Specified by:

isEnabled in interface Executable

Parameters:

target - Execution target.

Returns:

true if the associated Command can be executed on the current state of the given target.

See Also:

Executable.isEnabled(Element)

isExecuted

public boolean isExecuted(com.google.gwt.user.client.Element target)

Specified by:

isExecuted in interface Executable

Parameters:

target - Execution target.

Returns:

true if the associated Command has been executed on the current state of the given target.

See Also:

Executable.isExecuted(Element)

isSupported

public boolean isSupported(com.google.gwt.user.client.Element target)

Specified by:

isSupported in interface Executable

Parameters:

target - Execution target.

Returns:

true if the associated Command is supported by the specified target.

See Also:

Executable.isSupported(Element)