/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.smodel.event;
import org.jetbrains.mps.annotations.Immutable;
import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
/**
* @author Kostik
*/
@Immutable
public class SModelChildEvent extends SModelEvent {
private final boolean myAdded;
private final SNode myParent;
private final SNode myChild;
private final int myChildIndex;
private final SContainmentLink myChildRole;
public SModelChildEvent(SModel model, boolean added, SNode parent, SContainmentLink role, int childIndex, SNode child) {
super(model);
myAdded = added;
myParent = parent;
myChild = child;
myChildIndex = childIndex;
myChildRole = role;
}
@Override
public SNode getAffectedRoot() {
return myParent.getContainingRoot();
}
public boolean isAdded() {
return myAdded;
}
public boolean isRemoved() {
return !myAdded;
}
public SNode getParent() {
return myParent;
}
public SNode getChild() {
return myChild;
}
public int getChildIndex() {
return myChildIndex;
}
public String getChildRole() {
return myChildRole.getName();
}
/**
* @since 3.4
*/
public SContainmentLink getAggregationLink() {
return myChildRole;
}
@Override
public void accept(SModelEventVisitor visitor) {
visitor.visitChildEvent(this);
}
}