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/*******************************************************************************
* 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.jface.text.source;
import java.util.Map;
import org.eclipse.jface.text.Position;
/**
* Extends <code>IAnnotationModel</code> with the ability to attach additional
* annotation models to it.
*
* @since 3.0
*/
public interface IAnnotationModelExtension {
/**
* Attaches <code>attachment</code> to the receiver. Connects
* <code>attachment</code> to the currently connected document. If
* <code>attachment</code> is already attached (even) under a different
* key), it is not attached again.
*
* @param key the key through which the attachment is identified.
* @param attachment the attached <code>IAnnotationModel</code>
*/
void addAnnotationModel(Object key, IAnnotationModel attachment);
/**
* Returns the attached <code>IAnnotationModel</code> for <code>key</code>,
* or <code>null</code> if none is attached for <code>key</code>.
*
* @param key the key through which the attachment is identified.
* @return an <code>IAnnotationModel</code> attached under
* <code>key</code>, or <code>null</code>
*/
IAnnotationModel getAnnotationModel(Object key);
/**
* Removes and returns the attached <code>IAnnotationModel</code> for
* <code>key</code>.
*
* @param key the key through which the attachment is identified.
* @return an <code>IAnnotationModel</code> attached under
* <code>key</code>, or <code>null</code>
*/
IAnnotationModel removeAnnotationModel(Object key);
/**
* Replaces annotations with new annotations for this annotation model. The
* new annotations are map entries where the annotation is the key and the
* value is the position for the annotation. Each position describes the
* range covered by the annotation. All registered annotation model
* listeners are informed about the change (if any). If the model is
* connected to a document, the positions are automatically updated on
* document changes. For each annotation which is already managed by this
* annotation model or is not associated with a valid position in the
* connected document nothing happens.
*
* @param annotationsToRemove the annotations to be removed, may be
* <code>null</code>
* @param annotationsToAdd the annotations which will be added, may be
* <code>null</code> each map entry has an
* <code>Annotation</code> as key and a <code>Position</code>
* as value
* @throws ClassCastException if one of the map key or values has a wrong
* type
*/
void replaceAnnotations(Annotation[] annotationsToRemove, Map annotationsToAdd) throws ClassCastException;
/**
* Modifies the position associated with the given annotation to the given
* position. If the annotation is not yet managed by this annotation model,
* the annotation is added. If the given position is <code>null</code> the
* annotation is removed from the model. All annotation model change
* listeners will be informed about the change.
*
* @param annotation the annotation whose associated position should be
* modified
* @param position the position to whose values the associated position
* should be changed
*/
void modifyAnnotationPosition(Annotation annotation, Position position);
/**
* Removes all annotations from this annotation model.
*/
void removeAllAnnotations();
/**
* Returns the modification stamp of this annotation model.
*
* @return the modification stamp of this annotation model
*/
Object getModificationStamp();
}
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