1 files changed, 89 insertions, 0 deletions
diff --git a/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/IElementStateListener2.java b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/IElementStateListener2.java
new file mode 100644
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+++ b/org.eclipse.core.filebuffers/src/org/eclipse/core/internal/filebuffers/IElementStateListener2.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.core.internal.filebuffers;
+
+
+/**
+ * Interface for parties interested in standardized element changes. These
+ * changes are:
+ * <ul>
+ * <li> dirty state changes
+ * <li> content replacements
+ * <li> moves
+ * <li> deletions
+ * </ul>
+ * The notifications sent to the element state listeners inform about those standardized,
+ * abstract changes. The concrete change applied might differ from the one the listeners
+ * are notified about, but should be interpreted as the one the listeners receive.
+ */
+public interface IElementStateListener2 {
+	
+	/**
+	 * Notifies that the dirty state of the given element has changed.
+	 *
+	 * @param element the element
+	 * @param isDirty the new dirty state
+	 */
+	void elementDirtyStateChanged(Object element, boolean isDirty);
+	
+	/**
+	 * Notifies that the content of the given element is about to be replaced.
+	 *
+	 * @param element the element
+	 */
+	void documentContentAboutToBeReplaced(Object element);
+	
+	/**
+	 * Notifies that the content of the given element has been replaced.
+	 *
+	 * @param element the element
+	 */
+	void documentContentReplaced(Object element);
+
+	/**
+	 * Notifies that the element has moved. If <code>movedElement</code>
+	 * is <code>null</code> it is similar to <code>elementDeleted(originalElement)</code>.
+	 *
+	 * @param originalElement the element before the move
+	 * @param movedElement the element after the move
+	 */
+	void elementMoved(Object originalElement, Object movedElement);
+	
+	/**
+	 * Notifies that the given element has been deleted.
+	 *
+	 * @param element the element
+	 */
+	void elementDeleted(Object element);
+	
+	/**
+	 * Notifies that the state validation of the given element has changed.
+	 *
+	 * @param element the element
+	 * @param isStateValidated the flag indicating whether state validation is done
+	 */
+	void elementStateValidationChanged(Object element, boolean isStateValidated);
+	
+	/**
+	 * Notifies that the given element is currently being changed. This method may
+	 * be sent from a non-ui thread.
+	 * 
+	 * @param element the element
+	 */
+	void elementStateChanging(Object element);
+	
+	/**
+	 * Notifies that changing the given element has failed.
+	 * 
+	 * @param element the element
+	 */
+	void elementStateChangeFailed(Object element);
+}