/*
* Copyright 2000-2015 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 com.jetbrains.lang.dart.ide.findUsages;
import com.intellij.openapi.project.DumbAware;
import com.intellij.psi.PsiElement;
import com.intellij.usages.Usage;
import com.intellij.usages.UsageGroup;
import com.intellij.usages.UsageTarget;
import com.intellij.usages.rules.PsiElementUsage;
import com.intellij.usages.rules.SingleParentUsageGroupingRule;
import com.jetbrains.lang.dart.DartLanguage;
import com.jetbrains.lang.dart.psi.DartClassMembers;
import com.jetbrains.lang.dart.psi.DartComponent;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class DartClassMemberGroupingRule extends SingleParentUsageGroupingRule implements DumbAware {
@Nullable
@Override
protected UsageGroup getParentGroupFor(@NotNull Usage usage, @NotNull UsageTarget[] targets) {
PsiElement psiElement = usage instanceof PsiElementUsage ? ((PsiElementUsage)usage).getElement() : null;
if (psiElement == null || psiElement.getLanguage() != DartLanguage.INSTANCE) return null;
// todo Docs are not parsed perfectly and doc comment may be not a child of the corresponding function. Related to comment for DartDocUtil.getDocumentationText
while (psiElement != null) {
if (psiElement instanceof DartComponent && psiElement.getParent() instanceof DartClassMembers) {
final DartComponent componentElement = (DartComponent)psiElement;
return new DartComponentUsageGroup(componentElement);
}
psiElement = psiElement.getParent();
}
return null;
}
}