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/*****************************************************************************
* Copyright (c) 2017 CEA LIST 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
import java.util.ArrayList;
import java.util.Map;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
/**
* this class is used to add senders of request in the request
*
* @since 4.0
*
*/
public class SenderRequestUtils {
public static String REQUEST_SENDER = "RequestSender";
/**
* from a request add the editpart as sender of the request
*
* @param request
* a given request, never null
* @param editPart
* add it as sender of the request; never null
*/
@SuppressWarnings("unchecked")
public static void addRequestSender(Request request, EditPart editPart) {
Map<String, Object> extendedData = request.getExtendedData();
ArrayList<EditPart> senderList = null;
if (extendedData.get(REQUEST_SENDER) != null) {
senderList = ((ArrayList<EditPart>) extendedData.get(REQUEST_SENDER));
} else {
senderList = new ArrayList<EditPart>();
}
senderList.add(editPart);
extendedData.put(REQUEST_SENDER, senderList);
request.setExtendedData(extendedData);
}
/**
* test if the given editpart is a sender of the request
*
* @param request
* a given request, never null
* @param editPart
* a given editpart , never null
* @return true if the given editpart is a sender
*/
@SuppressWarnings("unchecked")
public static boolean isASender(Request request, EditPart editPart) {
Map<String, Object> extendedData = request.getExtendedData();
ArrayList<EditPart> senderList = null;
if (extendedData.get(REQUEST_SENDER) == null) {
return false;
}
senderList = ((ArrayList<EditPart>) extendedData.get(REQUEST_SENDER));
return senderList.contains(editPart);
}
/**
* get all senders from a given request
*
* @param request
* a a given request, never null
* @return always a list maybe empty
*/
public static ArrayList<EditPart> getSenders(Request request) {
Map<String, Object> extendedData = request.getExtendedData();
ArrayList<EditPart> senderList = null;
if (extendedData.get(REQUEST_SENDER) != null) {
senderList = ((ArrayList<EditPart>) extendedData.get(REQUEST_SENDER));
} else {
senderList = new ArrayList<EditPart>();
}
return senderList;
}
/**
* add a list of editpart as sender of the request
*
* @param request
* a given request, never null
* @param senderList
* a list of the editpart that have sent the request
*/
@SuppressWarnings("unchecked")
public static void addRequestSenders(Request request, ArrayList<EditPart> senderList) {
Map<String, Object> extendedData = request.getExtendedData();
extendedData.put(REQUEST_SENDER, senderList);
request.setExtendedData(extendedData);
}
}
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