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/*******************************************************************************
* Copyright (c) 2017 protos software gmbh (http://www.protos.de).
* All rights reserved. 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:
* Juergen Haug (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.behavior.fsm.support.util
import java.util.HashMap
import org.eclipse.etrice.core.fsm.fSM.FSMFactory
import org.eclipse.etrice.core.fsm.fSM.ModelComponent
import org.eclipse.etrice.core.fsm.fSM.RefinedState
import org.eclipse.etrice.core.fsm.fSM.State
import org.eclipse.etrice.core.fsm.fSM.StateGraph
import org.eclipse.graphiti.features.IFeatureProvider
import org.eclipse.graphiti.mm.pictograms.ContainerShape
/**
* Shared model editing
*/
class ModelEditingUtil {
def static public RefinedState getOrCreateRefinedStateFor(State s, ModelComponent mc) {
val target2rs = new HashMap<State, RefinedState>();
for (State st : mc.getStateMachine().getStates()) {
if (st instanceof RefinedState)
target2rs.put((st as RefinedState).getTarget(), st as RefinedState);
}
var RefinedState rs = null;
// do we already have a RefinedState pointing to s?
if (target2rs.containsKey(s)) {
rs = target2rs.get(s);
}
else {
// we have to create one and place it in the best fitting context
var StateGraph sg = null;
var State parent = s;
var break = false;
while (parent.eContainer().eContainer() instanceof State && !break) {
parent = s.eContainer().eContainer() as State;
if (target2rs.containsKey(parent)) {
val bestFitting = target2rs.get(parent);
if (bestFitting.getSubgraph()===null)
bestFitting.setSubgraph(FSMFactory.eINSTANCE.createStateGraph());
sg = bestFitting.getSubgraph();
break = true;
}
}
if (sg===null)
sg = mc.getStateMachine();
rs = FSMFactory.eINSTANCE.createRefinedState();
rs.setTarget(s);
sg.getStates().add(rs);
}
return rs;
}
def static public StateGraph getOrCreateSubGraphOfRefinedStateFor(State s, ModelComponent mc) {
val rs = getOrCreateRefinedStateFor(s, mc);
if (rs.getSubgraph()===null)
rs.setSubgraph(FSMFactory.eINSTANCE.createStateGraph());
return rs.getSubgraph();
}
def static public StateGraph insertRefinedState(StateGraph sg, ModelComponent mc, ContainerShape targetContainer, IFeatureProvider fp) {
val sg2 = getOrCreateSubGraphOfRefinedStateFor(sg.eContainer() as State, mc);
fp.link(targetContainer, sg2);
return sg2;
}
}
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