/*
* 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.substitute;
import jetbrains.mps.nodeEditor.LanguageRegistryHelper;
import jetbrains.mps.openapi.editor.descriptor.EditorAspectDescriptor;
import jetbrains.mps.openapi.editor.descriptor.Menu;
import jetbrains.mps.openapi.editor.descriptor.SubstituteMenu;
import jetbrains.mps.openapi.editor.menus.substitute.SubstituteMenuLookup;
import jetbrains.mps.smodel.language.LanguageRegistry;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import org.jetbrains.mps.openapi.language.SLanguage;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* @author simon
*/
public class DefaultSubstituteMenuLookup implements SubstituteMenuLookup {
@NotNull
private final LanguageRegistry myLanguageRegistry;
@NotNull
private final SAbstractConcept myConcept;
public DefaultSubstituteMenuLookup(@NotNull LanguageRegistry languageRegistry,
@NotNull SAbstractConcept concept) {
myLanguageRegistry = languageRegistry;
myConcept = concept;
}
@NotNull
private SubstituteMenu createImplicitMenu() {
return new ImplicitSubstituteMenu(myConcept);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
DefaultSubstituteMenuLookup that = (DefaultSubstituteMenuLookup) o;
return myLanguageRegistry.equals(that.myLanguageRegistry) && myConcept.equals(that.myConcept);
}
@Override
public int hashCode() {
return myConcept.hashCode();
}
@Override
public String toString() {
return "default substitute menu for " + myConcept;
}
@NotNull
@Override
public Collection<SubstituteMenu> lookup(@NotNull Collection<SLanguage> usedLanguages) {
List<SubstituteMenu> conceptMenu = new ArrayList<>();
conceptMenu.addAll(getForConcept(usedLanguages));
if (usedLanguages.contains(myConcept.getLanguage()) && conceptMenu.stream().allMatch(Menu::isContribution)) {
conceptMenu.add(0, createImplicitMenu());
}
return conceptMenu;
}
@NotNull
private Collection<SubstituteMenu> getForConcept(Collection<SLanguage> usedLanguages) {
EditorAspectDescriptor aspectDescriptor = LanguageRegistryHelper.getEditorAspectDescriptor(myLanguageRegistry, myConcept.getLanguage());
if (aspectDescriptor == null) {
return Collections.emptyList();
}
return aspectDescriptor.getDefaultSubstituteMenus(myConcept, usedLanguages);
}
}