| /* |
| * Copyright 2000-2009 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.intellij.codeInsight.highlighting; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.featureStatistics.FeatureUsageTracker; |
| import com.intellij.navigation.ItemPresentation; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.InheritanceUtil; |
| import com.intellij.util.Consumer; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class HighlightOverridingMethodsHandler extends HighlightUsagesHandlerBase<PsiClass> { |
| private final PsiElement myTarget; |
| private final PsiClass myClass; |
| |
| public HighlightOverridingMethodsHandler(final Editor editor, final PsiFile file, final PsiElement target, final PsiClass psiClass) { |
| super(editor, file); |
| myTarget = target; |
| myClass = psiClass; |
| } |
| |
| @Override |
| public List<PsiClass> getTargets() { |
| PsiReferenceList list = PsiKeyword.EXTENDS.equals(myTarget.getText()) ? myClass.getExtendsList() : myClass.getImplementsList(); |
| if (list == null) return Collections.emptyList(); |
| final PsiClassType[] classTypes = list.getReferencedTypes(); |
| return ChooseClassAndDoHighlightRunnable.resolveClasses(classTypes); |
| } |
| |
| @Override |
| protected void selectTargets(final List<PsiClass> targets, final Consumer<List<PsiClass>> selectionConsumer) { |
| new ChooseClassAndDoHighlightRunnable(targets, myEditor, CodeInsightBundle.message("highlight.overridden.classes.chooser.title")) { |
| @Override |
| protected void selected(PsiClass... classes) { |
| selectionConsumer.consume(Arrays.asList(classes)); |
| } |
| }.run(); |
| } |
| |
| @Override |
| public void computeUsages(final List<PsiClass> classes) { |
| FeatureUsageTracker.getInstance().triggerFeatureUsed("codeassists.highlight.implements"); |
| for (PsiMethod method : myClass.getMethods()) { |
| List<HierarchicalMethodSignature> superSignatures = method.getHierarchicalMethodSignature().getSuperSignatures(); |
| for (HierarchicalMethodSignature superSignature : superSignatures) { |
| PsiClass containingClass = superSignature.getMethod().getContainingClass(); |
| if (containingClass == null) continue; |
| for (PsiClass classToAnalyze : classes) { |
| if (InheritanceUtil.isInheritorOrSelf(classToAnalyze, containingClass, true)) { |
| PsiIdentifier identifier = method.getNameIdentifier(); |
| if (identifier != null) { |
| addOccurrence(identifier); |
| break; |
| } |
| } |
| } |
| } |
| } |
| if (myReadUsages.isEmpty()) { |
| if (ApplicationManager.getApplication().isUnitTestMode()) return; |
| String name; |
| if (classes.size() == 1) { |
| final ItemPresentation presentation = classes.get(0).getPresentation(); |
| name = presentation != null ? presentation.getPresentableText() : ""; |
| } |
| else { |
| name = ""; |
| } |
| myHintText = CodeInsightBundle.message("no.methods.overriding.0.are.found", classes.size(), name); |
| } |
| else { |
| addOccurrence(myTarget); |
| final int methodCount = myReadUsages.size()-1; // exclude 'target' keyword |
| myStatusText = CodeInsightBundle.message("status.bar.overridden.methods.highlighted.message", methodCount, |
| HighlightUsagesHandler.getShortcutText()); |
| } |
| } |
| } |