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/*
* 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.
*/
/*
* User: anna
* Date: 08-Jul-2007
*/
package com.intellij.codeInsight.intention.impl;
import com.intellij.codeInsight.CodeInsightBundle;
import com.intellij.codeInsight.ExternalAnnotationsManager;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.openapi.application.Result;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.command.undo.UndoUtil;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.popup.JBPopupFactory;
import com.intellij.openapi.ui.popup.PopupStep;
import com.intellij.openapi.ui.popup.util.BaseListPopupStep;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
public class DeannotateIntentionAction implements IntentionAction {
private static final Logger LOG = Logger.getInstance("#" + DeannotateIntentionAction.class.getName());
private String myAnnotationName = null;
@Override
@NotNull
public String getText() {
return CodeInsightBundle.message("deannotate.intention.action.text") + (myAnnotationName != null ? " " + myAnnotationName : "...");
}
@Override
@NotNull
public String getFamilyName() {
return CodeInsightBundle.message("deannotate.intention.action.text");
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
myAnnotationName = null;
PsiModifierListOwner listOwner = getContainer(editor, file);
if (listOwner != null) {
final ExternalAnnotationsManager externalAnnotationsManager = ExternalAnnotationsManager.getInstance(project);
final PsiAnnotation[] annotations = externalAnnotationsManager.findExternalAnnotations(listOwner);
if (annotations != null && annotations.length > 0) {
if (annotations.length == 1) {
myAnnotationName = annotations[0].getQualifiedName();
}
final List<PsiFile> files = externalAnnotationsManager.findExternalAnnotationsFiles(listOwner);
if (files == null || files.isEmpty()) return false;
final VirtualFile virtualFile = files.get(0).getVirtualFile();
return virtualFile != null && (virtualFile.isWritable() || virtualFile.isInLocalFileSystem());
}
}
return false;
}
@Nullable
public static PsiModifierListOwner getContainer(final Editor editor, final PsiFile file) {
final PsiElement element = file.findElementAt(editor.getCaretModel().getOffset());
PsiModifierListOwner listOwner = PsiTreeUtil.getParentOfType(element, PsiParameter.class, false);
if (listOwner == null) {
final PsiIdentifier psiIdentifier = PsiTreeUtil.getParentOfType(element, PsiIdentifier.class, false);
if (psiIdentifier != null && psiIdentifier.getParent() instanceof PsiModifierListOwner) {
listOwner = (PsiModifierListOwner)psiIdentifier.getParent();
} else {
PsiExpression expression = PsiTreeUtil.getParentOfType(element, PsiExpression.class);
if (expression != null) {
while (expression.getParent() instanceof PsiExpression) { //get top level expression
expression = (PsiExpression)expression.getParent();
if (expression instanceof PsiAssignmentExpression) break;
}
if (expression instanceof PsiMethodCallExpression) {
final PsiMethod psiMethod = ((PsiMethodCallExpression)expression).resolveMethod();
if (psiMethod != null) {
return psiMethod;
}
}
final PsiElement parent = expression.getParent();
if (parent instanceof PsiExpressionList) { //try to find corresponding formal parameter
int idx = -1;
final PsiExpression[] args = ((PsiExpressionList)parent).getExpressions();
for (int i = 0; i < args.length; i++) {
PsiExpression arg = args[i];
if (PsiTreeUtil.isAncestor(arg, expression, false)) {
idx = i;
break;
}
}
if (idx > -1) {
PsiElement grParent = parent.getParent();
if (grParent instanceof PsiCall) {
PsiMethod method = ((PsiCall)grParent).resolveMethod();
if (method != null) {
final PsiParameter[] parameters = method.getParameterList().getParameters();
if (parameters.length > idx) {
return parameters[idx];
}
}
}
}
}
}
}
}
return listOwner;
}
@Override
public void invoke(@NotNull final Project project, Editor editor, final PsiFile file) throws IncorrectOperationException {
final PsiModifierListOwner listOwner = getContainer(editor, file);
LOG.assertTrue(listOwner != null);
final ExternalAnnotationsManager annotationsManager = ExternalAnnotationsManager.getInstance(project);
final PsiAnnotation[] externalAnnotations = annotationsManager.findExternalAnnotations(listOwner);
LOG.assertTrue(externalAnnotations != null && externalAnnotations.length > 0);
if (externalAnnotations.length == 1) {
deannotate(externalAnnotations[0], project, file, annotationsManager, listOwner);
return;
}
JBPopupFactory.getInstance().createListPopup(new BaseListPopupStep<PsiAnnotation>(CodeInsightBundle.message("deannotate.intention.chooser.title"), externalAnnotations) {
@Override
public PopupStep onChosen(final PsiAnnotation selectedValue, final boolean finalChoice) {
deannotate(selectedValue, project, file, annotationsManager, listOwner);
return PopupStep.FINAL_CHOICE;
}
@Override
@NotNull
public String getTextFor(final PsiAnnotation value) {
final String qualifiedName = value.getQualifiedName();
LOG.assertTrue(qualifiedName != null);
return qualifiedName;
}
}).showInBestPositionFor(editor);
}
private void deannotate(final PsiAnnotation annotation,
final Project project,
final PsiFile file,
final ExternalAnnotationsManager annotationsManager,
final PsiModifierListOwner listOwner) {
new WriteCommandAction(project, getText()) {
@Override
protected void run(final Result result) throws Throwable {
final VirtualFile virtualFile = file.getVirtualFile();
String qualifiedName = annotation.getQualifiedName();
LOG.assertTrue(qualifiedName != null);
if (annotationsManager.deannotate(listOwner, qualifiedName) && virtualFile != null && virtualFile.isInLocalFileSystem()) {
UndoUtil.markPsiFileForUndo(file);
}
}
}.execute();
}
@Override
public boolean startInWriteAction() {
return false;
}
}
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