| /* |
| * Copyright 2000-2012 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.ide.actions; |
| |
| import com.intellij.codeInsight.navigation.NavigationUtil; |
| import com.intellij.navigation.GotoRelatedItem; |
| import com.intellij.openapi.actionSystem.AnAction; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.annotations.TestOnly; |
| |
| import java.util.List; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class GotoRelatedSymbolAction extends AnAction { |
| |
| @Override |
| public void update(AnActionEvent e) { |
| PsiElement element = getContextElement(e.getDataContext()); |
| e.getPresentation().setEnabled(element != null); |
| } |
| |
| @Override |
| public void actionPerformed(AnActionEvent e) { |
| PsiElement element = getContextElement(e.getDataContext()); |
| if (element == null) return; |
| |
| List<GotoRelatedItem> items = NavigationUtil.collectRelatedItems(element, e.getDataContext()); |
| if (items.isEmpty()) return; |
| |
| if (items.size() == 1 && items.get(0).getElement() != null) { |
| items.get(0).navigate(); |
| return; |
| } |
| NavigationUtil.getRelatedItemsPopup(items, "Choose Target").showInBestPositionFor(e.getDataContext()); |
| } |
| |
| @TestOnly |
| @NotNull |
| public static List<GotoRelatedItem> getItems(@NotNull PsiFile psiFile, @Nullable Editor editor, @Nullable DataContext dataContext) { |
| return NavigationUtil.collectRelatedItems(getContextElement(psiFile, editor), dataContext); |
| } |
| |
| @Nullable |
| private static PsiElement getContextElement(@NotNull DataContext dataContext) { |
| PsiFile file = CommonDataKeys.PSI_FILE.getData(dataContext); |
| Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| PsiElement element = CommonDataKeys.PSI_ELEMENT.getData(dataContext); |
| if (file != null && editor != null) { |
| return getContextElement(file, editor); |
| } |
| return element; |
| } |
| |
| @NotNull |
| private static PsiElement getContextElement(@NotNull PsiFile psiFile, @Nullable Editor editor) { |
| PsiElement contextElement = psiFile; |
| if (editor != null) { |
| PsiElement element = psiFile.findElementAt(editor.getCaretModel().getOffset()); |
| if (element != null) { |
| contextElement = element; |
| } |
| } |
| return contextElement; |
| } |
| } |