http://www.eclipse.org/platform: Text (Eclipse Foundation) 
Copyright (c) 2000, 2005 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation

/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jface.text;



Extension interface for IDocumentPartitioner. 

Replaces the original concept of the document partitioner by returning the
minimal region that includes all partition changes caused by the invocation
of the document partitioner.
The method documentChanged2 is considered the replacement of IDocumentPartitioner.documentChanged(DocumentEvent). 
Since:2.0
/**
 * Extension interface for {@link org.eclipse.jface.text.IDocumentPartitioner}.
 * <p>
 * Replaces the original concept of the document partitioner by returning the
 * minimal region that includes all partition changes caused by the invocation
 * of the document partitioner.
 * The method <code>documentChanged2</code> is considered the replacement of
 * {@link org.eclipse.jface.text.IDocumentPartitioner#documentChanged(DocumentEvent)}.
 *
 * @since 2.0
 */
public interface IDocumentPartitionerExtension {

	
The document has been changed. The partitioner updates the document's
partitioning and returns the minimal region that comprises all partition
changes caused in response to the given document event. This method
returns null if the partitioning did not change.


Will be called by the connected document and is not intended to be used
by clients other than the connected document.

 Replaces IDocumentPartitioner.documentChanged(DocumentEvent). 
Params:
  • event – the event describing the document change
Returns:the region of the document in which the partition type changed or null
/**
	 * The document has been changed. The partitioner updates the document's
	 * partitioning and returns the minimal region that comprises all partition
	 * changes caused in response to the given document event. This method
	 * returns <code>null</code> if the partitioning did not change.
	 * <p>
	 *
	 * Will be called by the connected document and is not intended to be used
	 * by clients other than the connected document.
	 * <p>
	 * Replaces {@link IDocumentPartitioner#documentChanged(DocumentEvent)}.
	 *
	 * @param event the event describing the document change
	 * @return the region of the document in which the partition type changed or <code>null</code>
	 */
	IRegion documentChanged2(DocumentEvent event);
}