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/*******************************************************************************
* Copyright (c) 2013 Wind River Systems, 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.interfaces.services;
import org.eclipse.tcf.te.runtime.services.interfaces.IService;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
/**
* Interface for a selection service to get the current default selection.
*/
public interface ISelectionService extends IService {
/**
* Filter for default selection.
*/
public static interface ISelectionFilter {
/**
* Check a peer model node if it should be used.
* @param peerModel The peer model node.
* @return <code>true</code> if the given peer model node is a possible candidate.
*/
public boolean select(IPeerModel peerModel);
}
/**
* Return a list of possible peer model node candidates.
* The Se
* If a selection is given and the filter applies, it will be used as the first element(s).
* Otherwise if a default selection was set using setDefaultSelection(IPeerModel)
* and the filter applies, it will be used as the first element.
* UI implementations of the service should then check the current editor and the system management selection.
* @param currentSelection The current selection (i.e. from a command handler) or <code>null</code>.
* @param filter The filter for the peer model node candidates or <code>null</code>
* @return Array of peer model nodes or an empty array.
*/
public IPeerModel[] getCandidates(Object currentSelection, ISelectionFilter filter);
/**
* Set a new default selection.
* @param peerModel The default peer model node or <code>null</code> to reset the default.
*/
public void setDefaultSelection(IPeerModel peerModel);
/**
* Get the default selection.
* @param filter The filter for the peer model node candidates or <code>null</code>
* @return The set default selection if set and the filter applies, <code>null</code> otherwise.
*/
public IPeerModel getDefaultSelection(ISelectionFilter filter);
}
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