/*
* Copyright 2003-2015 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.core.refactoring;
import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.project.Project;
import jetbrains.mps.idea.core.psi.impl.MPSPsiProvider;
import jetbrains.mps.smodel.language.ExtensionRegistry;
import jetbrains.mps.smodel.structure.Extension;
import jetbrains.mps.smodel.structure.ExtensionDescriptor;
import jetbrains.mps.smodel.structure.ExtensionPoint;
import org.jetbrains.annotations.NotNull;
import java.util.Collections;
/**
* Created by danilla on 12/11/15.
*/
public class RegisterMoveNodePsiParticipant implements ProjectComponent {
private Project myProject;
private ExtensionDescriptor myExtensionDescriptor;
private UpdatePsiReferencesParticipant_extension myParticipantExtension;
public static class UpdatePsiReferencesParticipant_extension extends Extension.Default<UpdatePsiReferencesMoveParticipant> {
private Project myProject;
private UpdatePsiReferencesMoveParticipant myParticipant;
public UpdatePsiReferencesParticipant_extension(Project project) {
super("jetbrains.mps.ide.platform.MoveNodeParticipantEP");
myProject = project;
}
public UpdatePsiReferencesMoveParticipant get() {
if (myParticipant == null) {
myParticipant = new UpdatePsiReferencesMoveParticipant(MPSPsiProvider.getInstance(myProject));
}
return myParticipant;
}
}
public RegisterMoveNodePsiParticipant(Project project) {
myProject = project;
}
@Override
public void projectOpened() {
myParticipantExtension = new UpdatePsiReferencesParticipant_extension(myProject);
ExtensionRegistry.getInstance().registerExtensionDescriptor(myExtensionDescriptor = new ExtensionDescriptor() {
@Override
public Iterable<? extends ExtensionPoint> getExtensionPoints() {
return Collections.emptyList();
}
@Override
public Iterable<? extends Extension> getExtensions() {
return Collections.singletonList(myParticipantExtension);
}
});
}
@Override
public void projectClosed() {
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(myExtensionDescriptor);
myParticipantExtension.myProject = null;
myParticipantExtension.myParticipant = null;
myExtensionDescriptor = null;
myProject = null;
}
@Override
public void initComponent() {
}
@Override
public void disposeComponent() {
}
@NotNull
@Override
public String getComponentName() {
return "Extension which updates PSI references to moved mps nodes";
}
}