/*
* 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.lang.editor.menus.transformation;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.cells.EditorCellContext;
import jetbrains.mps.openapi.editor.menus.transformation.SNodeLocation;
import jetbrains.mps.openapi.editor.menus.transformation.TransformationMenuContext;
import jetbrains.mps.openapi.editor.menus.transformation.TransformationMenuItem;
import jetbrains.mps.openapi.editor.menus.transformation.TransformationMenuLookup;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.List;
public abstract class IncludeTransformationMenuTransformationMenuPart implements TransformationMenuPart {
@NotNull
@Override
public List<TransformationMenuItem> createItems(TransformationMenuContext context) {
SNodeLocation newNodeLocation = toNodeLocation(getNode(context), context.getEditorContext());
String newMenuLocation = getLocation(context);
TransformationMenuContext newContext = context.with(newNodeLocation, newMenuLocation);
return newContext.createItems(getMenuLookup(context));
}
@Nullable
private static SNodeLocation toNodeLocation(@Nullable SNode node, EditorContext editorContext) {
if (node == null) {
return null;
}
SNodeLocation nodeLocation = null;
final EditorCell nodeCell = editorContext.getEditorComponent().findNodeCell(node);
if (nodeCell != null) {
final EditorCellContext cellContext = nodeCell.getCellContext();
//todo should we assert it is not null here?
if (cellContext != null) {
nodeLocation = cellContext.getNodeLocation();
}
}
return nodeLocation != null ? nodeLocation : new SNodeLocation.FromNode(node);
}
@Nullable
protected TransformationMenuLookup getMenuLookup(TransformationMenuContext context) {
return null;
}
@Nullable
protected SNode getNode(TransformationMenuContext context) {
return context.getNode();
}
@Nullable
protected String getLocation(TransformationMenuContext context) {
return context.getMenuLocation();
}
}