package org.eclipse.jst.pagedesigner.editors; /** * Listens for persistence events fired from WPE instances, including save and revert. */ public interface IWPEPersistenceListener { /** * The type of the persistence event. * */ public static enum PersistenceEventType { /** * WPE is about to be saved. A listener may request that this operation be cancelled. */ BEFORE_SAVE, /** * WPE was saved */ SAVED, /** * WPE is about to be saved as. A listener may request that this operation be cancelled. */ BEFORE_SAVE_AS, /** * WPE was saved as */ SAVED_AS, /** * WPE is about to be reverted. A listener may request that this operation be cancelled. */ BEFORE_REVERT, /** * WPE was reverted. */ REVERTED; } /** * A persistence event. * * <p>Not intended to be implemented by clients.</p> */ public static interface IPersistenceEvent { /** * @return editor */ public HTMLEditor getWPEInstance(); /** * @return EventType */ public PersistenceEventType getEventType(); /** * A listener requests that all further processing of the operation be stopped after this * event has first been sent to all listeners. */ public void cancelOperation(); /** * @return <code>true</code> if a listener has requested that the operation be cancelled. */ public boolean isOperationCancelled(); } /** * A persistence event has occurred * @param event */ public void notify(IPersistenceEvent event); }