org.opencms.ui.dialogs.history.diff

Class CmsShowVersionButtons

java.lang.Object

org.opencms.ui.dialogs.history.diff.CmsShowVersionButtons

All Implemented Interfaces:

I_CmsDiffProvider

public class CmsShowVersionButtons
extends java.lang.Object
implements I_CmsDiffProvider

Provides buttons for showing the two versions being compared.

Constructor Summary

Constructors

Constructor and Description
CmsShowVersionButtons()

Method Summary

Modifier and Type	Method and Description
com.vaadin.ui.Button	createButton(CmsObject cms, CmsHistoryResourceBean version) Creates a 'show version' button.
com.google.common.base.Optional<com.vaadin.ui.Component>	diff(CmsObject cms, CmsHistoryResourceBean v1, CmsHistoryResourceBean v2) Optionally returns a comparison component to display for the given resource versions.

Methods inherited from class java.lang.Object

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

Constructor Detail

CmsShowVersionButtons

public CmsShowVersionButtons()

Method Detail

createButton

public com.vaadin.ui.Button createButton(CmsObject cms,
                                         CmsHistoryResourceBean version)

Creates a 'show version' button.

Parameters:

cms - the CMS context to use

version - the version

Returns:

the new button

diff

public com.google.common.base.Optional<com.vaadin.ui.Component> diff(CmsObject cms,
                                                                     CmsHistoryResourceBean v1,
                                                                     CmsHistoryResourceBean v2)

Description copied from interface: I_CmsDiffProvider

Optionally returns a comparison component to display for the given resource versions.

If no value is returned, then no widget is displayed.

Specified by:

diff in interface I_CmsDiffProvider

Parameters:

cms - the CMS context

v1 - bean representing the first version

v2 - bean representing the second version

Returns:

the optional component to display

See Also:

I_CmsDiffProvider.diff(org.opencms.file.CmsObject, org.opencms.gwt.shared.CmsHistoryResourceBean, org.opencms.gwt.shared.CmsHistoryResourceBean)