/*******************************************************************************
* Copyright (c) 2009, 2015 IBM Corporation 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:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.jface.viewers;
import org.eclipse.swt.widgets.Item;
import org.eclipse.swt.widgets.Widget;
/**
* This class is not part of the public API of JFace. See bug 267722.
*
* @since 3.5
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class StructuredViewerInternals {
/**
* Nothing to see here.
*
* @since 3.5
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
protected static interface AssociateListener {
/**
* Call when an element is associated with an Item
*
* @param element
* @param item
*/
void associate(Object element, Item item);
/**
* Called when an Item is no longer associated
*
* @param item
*/
void disassociate(Item item);
/**
* Called when an element has been filtered out.
*
* @since 3.6
* @param element
*/
void filteredOut(Object element);
}
/**
* Nothing to see here. Sets or resets the AssociateListener for the given
* Viewer.
*
* @param viewer
* the viewer
* @param listener
* the {@link AssociateListener}
* @noreference This method is not intended to be referenced by clients.
*/
protected static void setAssociateListener(StructuredViewer viewer,
AssociateListener listener) {
viewer.setAssociateListener(listener);
}
/**
* Nothing to see here. Returns the items for the given element.
*
* @param viewer
* @param element
* @return the Widgets corresponding to the element
*
* @noreference This method is not intended to be referenced by clients.
*/
protected static Widget[] getItems(StructuredViewer viewer, Object element) {
return viewer.findItems(element);
}
}