/*
* 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.menus.transformation;
import jetbrains.mps.nodeEditor.menus.MenuItemFactory;
import jetbrains.mps.openapi.editor.descriptor.TransformationMenu;
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.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SLanguage;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
/**
* A straightforward implementation of {@link MenuItemFactory}. Looks up the menus and returns items created by each menu, concatenated.
*/
class DefaultTransformationMenuItemFactory implements MenuItemFactory<TransformationMenuItem, TransformationMenuContext, TransformationMenuLookup> {
private static final Logger LOGGER = Logger.getLogger(DefaultTransformationMenuItemFactory.class);
private final Collection<SLanguage> myUsedLanguages;
DefaultTransformationMenuItemFactory(Collection<SLanguage> usedLanguages) {
myUsedLanguages = usedLanguages;
}
@NotNull
@Override
public List<TransformationMenuItem> createItems(@NotNull TransformationMenuContext context, @NotNull TransformationMenuLookup menuLookup) {
Collection<TransformationMenu> menus = menuLookup.lookup(myUsedLanguages, context.getMenuLocation());
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("Menu lookup " + menuLookup + " returned " + menus);
}
List<TransformationMenuItem> result = new ArrayList<>();
for (TransformationMenu menu : menus) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("Creating items of menu " + menu);
}
result.addAll(menu.createMenuItems(context));
}
return result;
}
}