/*
* Copyright 2003-2013 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.projectView.edit;
import com.intellij.ide.DeleteProvider;
import com.intellij.openapi.actionSystem.DataContext;
import jetbrains.mps.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.EditableSModel;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.module.SRepository;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* User: fyodor
* Date: 2/27/13
*/
public class SNodeDeleteProvider implements DeleteProvider, Runnable {
private Collection<SNodeReference> mySelectedNodes;
private Project myProject;
public SNodeDeleteProvider(Collection<SNodeReference> selectedNodes, @NotNull Project project) {
mySelectedNodes = selectedNodes;
myProject = project;
}
@Override
public void deleteElement(@NotNull DataContext dataContext) {
myProject.getModelAccess().executeCommandInEDT(this);
}
@Override
public void run() {
Set<EditableSModel> modelsToSave = new HashSet<EditableSModel>();
SRepository repository = myProject.getRepository();
for (SNodeReference selectedNode : mySelectedNodes) {
SNode nodeToDelete = selectedNode.resolve(repository);
if (nodeToDelete != null) {
SModel modelDescriptor = nodeToDelete.getModel();
if (modelDescriptor instanceof EditableSModel) {
nodeToDelete.delete();
modelsToSave.add((EditableSModel) modelDescriptor);
}
}
}
for (EditableSModel sModelDescriptor : modelsToSave) {
sModelDescriptor.save();
}
}
@Override
public boolean canDeleteElement(@NotNull DataContext dataContext) {
return !mySelectedNodes.isEmpty();
}
}