/*
* 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.idea.java.psi.impl;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiManager;
import com.intellij.psi.PsiReference;
import com.intellij.util.IncorrectOperationException;
import jetbrains.mps.idea.core.psi.impl.MPSPsiNode;
import jetbrains.mps.idea.core.psi.impl.MPSPsiRef;
import jetbrains.mps.idea.java.refactoring.MoveRenameBatch;
import jetbrains.mps.smodel.ModelImports;
import jetbrains.mps.smodel.SNodePointer;
import jetbrains.mps.smodel.StaticReference;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeId;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.model.SReference;
import jetbrains.mps.idea.java.psiStubs.JavaForeignIdBuilder;
/**
* Reference to java entity (class, method, field)
* danilla 4/29/13
*/
public abstract class MPSPsiJavaRef extends MPSPsiRef {
public MPSPsiJavaRef(String role, SModelReference model, SNodeId nodeId, PsiManager manager) {
super(role, model, nodeId, manager);
}
public MPSPsiJavaRef(String role, String referenceText, PsiManager manager) {
super(role, referenceText, manager);
}
@Override
public abstract PsiReference getReference();
// get source node of this reference
protected SNodeReference getSource() {
PsiElement parent = getParent();
// this includes parent != null
assert parent instanceof MPSPsiNode;
return ((MPSPsiNode) parent).getSNodeReference();
}
protected SReference getSReference() {
SNodeReference source = getSource();
SNode sourceNode = source.resolve(getProjectRepository());
return sourceNode.getReference(getRole());
}
protected void scheduleRefUpdate(Runnable updater) {
PsiElement parent = getParent();
assert parent instanceof MPSPsiNode;
SNodeReference source = ((MPSPsiNode) parent).getSNodeReference();
// SNodeReference target = new SNodePointer(getModelReference(), getNodeId());
getProject().getComponent(MoveRenameBatch.class).scheduleNormalRefUpdate(source, getRole(), updater);
}
// supposed to be extended in subclasses of MPSPsiJavaRef
abstract class MPSPsiJavaReference extends MPSPsiReference {
@Override
public PsiElement bindToElement(@NotNull final PsiElement element) throws IncorrectOperationException {
scheduleRefUpdate(new Runnable() {
@Override
public void run() {
SNodeReference source = getSource();
SNode sourceNode = source.resolve(getProjectRepository());
SNodePointer oldNode = new SNodePointer(getModelReference(), getNodeId());
SNodePointer newNode = JavaForeignIdBuilder.computeNodePtr(element).toSNodeReference();
SReference newRef = StaticReference.create(getRole(), sourceNode, newNode.getModelReference(), newNode.getNodeId());
sourceNode.setReference(getRole(), newRef);
// add model import if needed
if (!oldNode.getModelReference().equals(newNode.getModelReference())) {
SModel model = sourceNode.getModel();
SModelReference newTargetModel = newNode.getModelReference();
ModelImports modelImports = new ModelImports(model);
modelImports.addModelImport(newTargetModel);
if (oldNode.getModelReference().resolve(getProjectRepository()) == null) {
modelImports.removeModelImport(oldNode.getModelReference());
}
}
}
});
return MPSPsiJavaRef.this;
}
}
}