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/*
* 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;
}
}
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