/*
* 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.nodeEditor.selection;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.selection.Selection;
import org.jetbrains.annotations.Nullable;
import java.util.List;
public class SingularSelectionUtil {
/**
* Returns the single selected cell if {@code selection} is non-null and only contains one cell, otherwise returns null.
*/
@Nullable
public static EditorCell getSingleSelectedCell(@Nullable Selection selection) {
if (selection == null) return null;
List<EditorCell> selectedCells = selection.getSelectedCells();
return selectedCells.size() == 1 ? selectedCells.get(0) : null;
}
}