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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.
*/
package com.intellij.codeInsight.daemon.impl.quickfix;
import com.intellij.codeInsight.FileModificationService;
import com.intellij.codeInsight.daemon.QuickFixBundle;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.psi.codeStyle.CodeStyleManager;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
/**
* @author ven
*/
public class AddNewArrayExpressionFix implements IntentionAction {
private final PsiArrayInitializerExpression myInitializer;
public AddNewArrayExpressionFix(PsiArrayInitializerExpression initializer) {
myInitializer = initializer;
}
@Override
@NotNull
public String getText() {
PsiType type = getType();
return QuickFixBundle.message("add.new.array.text", type.getPresentableText());
}
@Override
@NotNull
public String getFamilyName() {
return QuickFixBundle.message("add.new.array.family");
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
if (!myInitializer.isValid() || !myInitializer.getManager().isInProject(myInitializer)) return false;
return getType() != null;
}
@Override
public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException {
if (!FileModificationService.getInstance().preparePsiElementsForWrite(myInitializer, file)) return;
PsiManager manager = file.getManager();
PsiType type = getType();
PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
@NonNls String text = "new " + type.getPresentableText() + "[]{}";
PsiNewExpression newExpr = (PsiNewExpression) factory.createExpressionFromText(text, null);
newExpr.getArrayInitializer().replace(myInitializer);
newExpr = (PsiNewExpression) CodeStyleManager.getInstance(manager.getProject()).reformat(newExpr);
myInitializer.replace(newExpr);
}
private PsiType getType() {
final PsiExpression[] initializers = myInitializer.getInitializers();
final PsiElement parent = myInitializer.getParent();
if (!(parent instanceof PsiAssignmentExpression)) {
if (initializers.length <= 0) return null;
return initializers[0].getType();
}
final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression)parent;
final PsiType type = assignmentExpression.getType();
if (!(type instanceof PsiArrayType)) {
if (initializers.length <= 0) return null;
return initializers[0].getType();
}
return ((PsiArrayType)type).getComponentType();
}
@Override
public boolean startInWriteAction() {
return true;
}
}
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