info.magnolia.ui.mediaeditor.data
Class EditHistoryTrackingPropertyImpl

java.lang.Object
  com.vaadin.data.util.AbstractProperty<T>
      com.vaadin.data.util.TransactionalPropertyWrapper<byte[]>
          info.magnolia.ui.mediaeditor.data.EditHistoryTrackingPropertyImpl

All Implemented Interfaces:

com.vaadin.data.Property<byte[]>, com.vaadin.data.Property.ReadOnlyStatusChangeNotifier, com.vaadin.data.Property.Transactional<byte[]>, com.vaadin.data.Property.ValueChangeNotifier, EditHistoryTrackingProperty, Serializable

public class EditHistoryTrackingPropertyImpl
extends com.vaadin.data.util.TransactionalPropertyWrapper<byte[]>
implements EditHistoryTrackingProperty

Property implementation that uses temporary files for storing the intermediate results of data modification. Tracking is done in both direction - steps can undone and redone. Original data is stored in memory and the value can be rolled back to it.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.data.util.AbstractProperty

com.vaadin.data.util.AbstractProperty.ReadOnlyStatusChangeEvent

Nested classes/interfaces inherited from interface info.magnolia.ui.mediaeditor.data.EditHistoryTrackingProperty

EditHistoryTrackingProperty.Listener

Nested classes/interfaces inherited from interface com.vaadin.data.Property

com.vaadin.data.Property.Editor, com.vaadin.data.Property.ReadOnlyException, com.vaadin.data.Property.ReadOnlyStatusChangeEvent, com.vaadin.data.Property.ReadOnlyStatusChangeListener, com.vaadin.data.Property.ReadOnlyStatusChangeNotifier, com.vaadin.data.Property.Transactional<T>, com.vaadin.data.Property.ValueChangeEvent, com.vaadin.data.Property.ValueChangeListener, com.vaadin.data.Property.ValueChangeNotifier, com.vaadin.data.Property.Viewer

Constructor Summary

EditHistoryTrackingPropertyImpl(byte[] bytes, info.magnolia.i18nsystem.SimpleTranslator i18n)

Method Summary

void	commit() Propagate changes to the original value.
String	getLastDoneActionName() Gets the last done action name.
String	getLastUnDoneActionName() Gets the last undone action name.
void	purgeHistory() Clears modification history which erases all the tracked steps.
void	redo() Redo last step.
void	revert() Roll back to original value.
void	setCapacity(int depth) Sets the amount of steps that can be tracked.
void	setListener(EditHistoryTrackingProperty.Listener listener)
void	setValue(byte[] bytes)
void	startAction(String actionName) Starts an action which will cause a new record to appear in history.
void	undo() Undo last step.

Methods inherited from class com.vaadin.data.util.TransactionalPropertyWrapper

endTransaction, fireValueChange, getType, getValue, getWrappedProperty, isReadOnly, rollback, setReadOnly, startTransaction

Methods inherited from class com.vaadin.data.util.AbstractProperty

addListener, addListener, addReadOnlyStatusChangeListener, addValueChangeListener, fireReadOnlyStatusChange, getListeners, removeListener, removeListener, removeReadOnlyStatusChangeListener, removeValueChangeListener, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.data.Property

getType, getValue, isReadOnly, setReadOnly

Methods inherited from interface com.vaadin.data.Property.ValueChangeNotifier

addListener, addValueChangeListener, removeListener, removeValueChangeListener

Constructor Detail

EditHistoryTrackingPropertyImpl

public EditHistoryTrackingPropertyImpl(byte[] bytes,
                                       info.magnolia.i18nsystem.SimpleTranslator i18n)

Method Detail

setListener

public void setListener(EditHistoryTrackingProperty.Listener listener)

Specified by:

setListener in interface EditHistoryTrackingProperty

getLastDoneActionName

public String getLastDoneActionName()

Description copied from interface: EditHistoryTrackingProperty

Gets the last done action name.

Specified by:

getLastDoneActionName in interface EditHistoryTrackingProperty

Returns:

last action name.

getLastUnDoneActionName

public String getLastUnDoneActionName()

Description copied from interface: EditHistoryTrackingProperty

Gets the last undone action name.

Specified by:

getLastUnDoneActionName in interface EditHistoryTrackingProperty

Returns:

last undone action name.

purgeHistory

public void purgeHistory()

Description copied from interface: EditHistoryTrackingProperty

Clears modification history which erases all the tracked steps. After this method call it will be impossible to undo/redo operations.

Specified by:

purgeHistory in interface EditHistoryTrackingProperty

setCapacity

public void setCapacity(int depth)

Description copied from interface: EditHistoryTrackingProperty

Sets the amount of steps that can be tracked. When the limit is reached, the eldest recorded steps are erased.

Specified by:

setCapacity in interface EditHistoryTrackingProperty

Parameters:

depth - amount of steps to be available for undo/redo.

startAction

public void startAction(String actionName)

Description copied from interface: EditHistoryTrackingProperty

Starts an action which will cause a new record to appear in history.

Specified by:

startAction in interface EditHistoryTrackingProperty

Parameters:

actionName - the name of an action.

undo

public void undo()

Description copied from interface: EditHistoryTrackingProperty

Undo last step.

Specified by:

undo in interface EditHistoryTrackingProperty

redo

public void redo()

Description copied from interface: EditHistoryTrackingProperty

Redo last step.

Specified by:

redo in interface EditHistoryTrackingProperty

revert

public void revert()

Description copied from interface: EditHistoryTrackingProperty

Roll back to original value.

Specified by:

revert in interface EditHistoryTrackingProperty

commit

public void commit()

Description copied from interface: EditHistoryTrackingProperty

Propagate changes to the original value.

Specified by:

commit in interface com.vaadin.data.Property.Transactional<byte[]>

Specified by:

commit in interface EditHistoryTrackingProperty

Overrides:

commit in class com.vaadin.data.util.TransactionalPropertyWrapper<byte[]>

setValue

public void setValue(byte[] bytes)
              throws com.vaadin.data.Property.ReadOnlyException

Specified by:

setValue in interface com.vaadin.data.Property<byte[]>

Overrides:

setValue in class com.vaadin.data.util.TransactionalPropertyWrapper<byte[]>

Throws:

com.vaadin.data.Property.ReadOnlyException