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/*
* Copyright 2000-2014 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.hint.actions;
import com.intellij.codeInsight.TargetElementUtilBase;
import com.intellij.codeInsight.daemon.impl.PsiElementListNavigator;
import com.intellij.ide.util.MethodCellRenderer;
import com.intellij.ide.util.PsiClassListCellRenderer;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.popup.JBPopup;
import com.intellij.psi.*;
import com.intellij.psi.impl.FindSuperElementsHelper;
import com.intellij.psi.presentation.java.SymbolPresentationUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.Consumer;
import org.jetbrains.annotations.Nullable;
public class ShowSiblingsAction extends ShowImplementationsAction {
public ShowSiblingsAction() {
super();
}
@Override
public void performForContext(DataContext dataContext, final boolean invokedByShortcut) {
final Project project = CommonDataKeys.PROJECT.getData(dataContext);
final PsiFile file = CommonDataKeys.PSI_FILE.getData(dataContext);
if (project == null) return;
PsiDocumentManager.getInstance(project).commitAllDocuments();
final Editor editor = getEditor(dataContext);
PsiElement element = getElement(project, file, editor, CommonDataKeys.PSI_ELEMENT.getData(dataContext));
if (element == null && file == null) return;
PsiFile containingFile = element != null ? element.getContainingFile() : file;
if (containingFile == null || !containingFile.getViewProvider().isPhysical()) return;
if (editor != null) {
PsiReference ref = TargetElementUtilBase.findReference(editor, editor.getCaretModel().getOffset());
if (element == null && ref != null) {
element = TargetElementUtilBase.getInstance().adjustReference(ref);
}
}
final NavigatablePsiElement[] superElements = (NavigatablePsiElement[])findSuperElements(element);
if (superElements == null || superElements.length == 0) return;
final boolean isMethod = superElements[0] instanceof PsiMethod;
final JBPopup popup = PsiElementListNavigator.navigateOrCreatePopup(superElements, "Choose super " + (isMethod ? "method" : "class or interface"), "Super " + (isMethod ? "methods" : "classes/interfaces"),
isMethod ? new MethodCellRenderer(false) : new PsiClassListCellRenderer(), null, new Consumer<Object[]>() {
@Override
public void consume(Object[] objects) {
showSiblings(invokedByShortcut, project, editor, file, editor != null, (PsiElement)objects[0]);
}
});
if (popup != null) {
if (editor != null) {
popup.showInBestPositionFor(editor);
} else {
popup.showCenteredInCurrentWindow(project);
}
}
}
private void showSiblings(boolean invokedByShortcut,
Project project,
Editor editor,
PsiFile file,
boolean invokedFromEditor,
PsiElement element) {
final PsiElement[] impls = getSelfAndImplementations(editor, element, createImplementationsSearcher(), false);
final String text = SymbolPresentationUtil.getSymbolPresentableText(element);
showImplementations(impls, project, text, editor, file, element, invokedFromEditor, invokedByShortcut);
}
@Override
protected boolean isIncludeAlwaysSelf() {
return false;
}
@Nullable
private static PsiElement[] findSuperElements(final PsiElement element) {
PsiNameIdentifierOwner parent = PsiTreeUtil.getParentOfType(element, PsiMethod.class, PsiClass.class);
if (parent == null) {
return null;
}
return FindSuperElementsHelper.findSuperElements(parent);
}
}
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