/*
* Copyright 2003-2012 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.CopyProvider;
import com.intellij.ide.CutProvider;
import com.intellij.openapi.actionSystem.DataContext;
import jetbrains.mps.ide.datatransfer.CopyPasteUtil;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations;
import jetbrains.mps.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.EditableSModel;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.module.SRepository;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* User: shatalin
* Date: 5/3/12
*/
public class SNodeCutCopyProvider implements CopyProvider, CutProvider {
private Collection<SNodeReference> mySelectedNodes;
private Project myProject;
private EditableSModel myModelDescriptor;
public SNodeCutCopyProvider(Collection<SNodeReference> selectedNodes, @NotNull EditableSModel modelDescriptor, @NotNull Project project) {
mySelectedNodes = selectedNodes;
myProject = project;
myModelDescriptor = modelDescriptor;
}
@Override
public void performCopy(@NotNull DataContext dataContext) {
performCopy(false);
}
@Override
public boolean isCopyEnabled(@NotNull DataContext dataContext) {
return true;
}
@Override
public boolean isCopyVisible(@NotNull DataContext dataContext) {
return true;
}
@Override
public void performCut(@NotNull DataContext dataContext) {
performCopy(true);
}
@Override
public boolean isCutEnabled(@NotNull DataContext dataContext) {
return true;
}
@Override
public boolean isCutVisible(@NotNull DataContext dataContext) {
return true;
}
private void performCopy(final boolean cut) {
SRepository repository = myProject.getRepository();
repository.getModelAccess().executeCommandInEDT(new Runnable() {
@Override
public void run() {
List<SNode> nodes = new ArrayList<SNode>();
for (SNodeReference selectedNode : mySelectedNodes) {
SNode node = selectedNode.resolve(repository);
SNode theParent = null;
if (node != null) {
nodes.add(node);
if (theParent == null) {
theParent = node.getParent();
} else if (theParent != node.getParent()) {
// it's possible to copy only multiple nodes with same parent now
return;
}
}
}
if (nodes.isEmpty()) {
return;
}
CopyPasteUtil.copyNodesToClipboard(nodes);
if (cut) {
for (SNode node : nodes) {
SNodeOperations.deleteNode(node);
}
myModelDescriptor.save();
}
}
});
}
}