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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.validation.caret;
import org.eclipse.gef.EditPart;
import org.eclipse.jst.pagedesigner.dom.IDOMPosition;
import org.eclipse.jst.pagedesigner.viewer.DesignPosition;
/**
* @author mengbo
*/
public interface IPositionMediator {
/**
* @return this mediator's action data
*/
public ActionData getActionData();
/**
* To see if the node itself or its descendent is editable.
*
* @param target
* @return true if the target has editable area
*/
public boolean hasEditableArea(Target target);
/**
* To see if the position is valid.
*
* @param position
* @return true if position is valid
*/
public boolean isValidPosition(IDOMPosition position);
/**
* @param position
* @return true if position is valid
*/
public boolean isValidPosition(DesignPosition position);
/**
* To see if the node is editable.
*
* @param target
* @return true if target is editable
*/
public boolean isEditable(Target target);
/**
* @param target
* @param atRight
* @return true if can reference target
*/
public boolean canReference(Target target, boolean atRight);
/**
* Return a node which contains 'node', and it has editable area.
*
* @param target
* @return if part is editable, then itself is returned, otherwise a parent
* is returned.
*/
public EditPart getEditableContainer(Target target);
}
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