Package org.opencms.ui.dialogs.history.diff

Class CmsImageDiff

java.lang.Object

org.opencms.ui.dialogs.history.diff.CmsImageDiff

All Implemented Interfaces:

I_CmsDiffProvider

public class CmsImageDiff
extends java.lang.Object
implements I_CmsDiffProvider

Displays two image versions side by side, scaled.

Constructor Summary

Constructors

Constructor	Description
CmsImageDiff()

Method Summary

Modifier and Type	Method	Description
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

CmsImageDiff

public CmsImageDiff()

Method Detail

diff

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

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

Throws:

CmsException - if something goes wrong

See Also:

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