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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.CodeInsightUtilBase;
import com.intellij.codeInsight.daemon.QuickFixBundle;
import com.intellij.codeInsight.generation.OverrideImplementUtil;
import com.intellij.codeInsight.template.Template;
import com.intellij.codeInsight.template.TemplateBuilderImpl;
import com.intellij.codeInsight.template.TemplateEditingAdapter;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.*;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* @author mike
*/
public class CreateConstructorFromCallFix extends CreateFromUsageBaseFix {
private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.daemon.impl.quickfix.CreateConstructorFromCallFix");
private final PsiConstructorCall myConstructorCall;
public CreateConstructorFromCallFix(PsiConstructorCall constructorCall) {
myConstructorCall = constructorCall;
}
@Override
protected boolean canBeTargetClass(PsiClass psiClass) {
return false;
}
@Override
protected void invokeImpl(final PsiClass targetClass) {
final Project project = myConstructorCall.getProject();
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory();
try {
PsiMethod constructor = (PsiMethod)targetClass.add(elementFactory.createConstructor());
final PsiFile file = targetClass.getContainingFile();
TemplateBuilderImpl templateBuilder = new TemplateBuilderImpl(constructor);
CreateFromUsageUtils.setupMethodParameters(constructor, templateBuilder, myConstructorCall.getArgumentList(),
getTargetSubstitutor(myConstructorCall));
final PsiMethod superConstructor = CreateClassFromNewFix.setupSuperCall(targetClass, constructor, templateBuilder);
constructor = CodeInsightUtilBase.forcePsiPostprocessAndRestoreElement(constructor);
Template template = templateBuilder.buildTemplate();
final Editor editor = positionCursor(project, targetClass.getContainingFile(), targetClass);
if (editor == null) return;
final TextRange textRange = constructor.getTextRange();
editor.getDocument().deleteString(textRange.getStartOffset(), textRange.getEndOffset());
editor.getCaretModel().moveToOffset(textRange.getStartOffset());
startTemplate(editor, template, project, new TemplateEditingAdapter() {
@Override
public void templateFinished(Template template, boolean brokenOff) {
ApplicationManager.getApplication().runWriteAction(new Runnable() {
@Override
public void run() {
try {
PsiDocumentManager.getInstance(project).commitDocument(editor.getDocument());
final int offset = editor.getCaretModel().getOffset();
PsiMethod constructor = PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiMethod.class, false);
if (superConstructor == null) {
CreateFromUsageUtils.setupMethodBody(constructor);
} else {
OverrideImplementUtil.setupMethodBody(constructor, superConstructor, targetClass);
}
CreateFromUsageUtils.setupEditor(constructor, editor);
}
catch (IncorrectOperationException e) {
LOG.error(e);
}
}
});
}
});
}
catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private static PsiFile getTargetFile(PsiElement element) {
final PsiConstructorCall constructorCall = (PsiConstructorCall)element;
//Enum constants constructors are file local
if (constructorCall instanceof PsiEnumConstant) return constructorCall.getContainingFile();
PsiJavaCodeReferenceElement referenceElement = getReferenceElement(constructorCall);
if (referenceElement.getQualifier() instanceof PsiJavaCodeReferenceElement) {
PsiJavaCodeReferenceElement qualifier = (PsiJavaCodeReferenceElement)referenceElement.getQualifier();
PsiElement psiElement = qualifier.resolve();
if (psiElement instanceof PsiClass) {
PsiClass psiClass = (PsiClass)psiElement;
return psiClass.getContainingFile();
}
}
return null;
}
@Override
protected PsiElement getElement() {
if (!myConstructorCall.isValid() || !myConstructorCall.getManager().isInProject(myConstructorCall)) return null;
PsiExpressionList argumentList = myConstructorCall.getArgumentList();
if (argumentList == null) return null;
if (myConstructorCall instanceof PsiEnumConstant) return myConstructorCall;
PsiJavaCodeReferenceElement referenceElement = getReferenceElement(myConstructorCall);
if (referenceElement == null) return null;
if (referenceElement.getReferenceNameElement() instanceof PsiIdentifier) return myConstructorCall;
return null;
}
@Override
protected boolean isValidElement(PsiElement element) {
PsiConstructorCall constructorCall = (PsiConstructorCall)element;
PsiMethod method = constructorCall.resolveConstructor();
PsiExpressionList argumentList = constructorCall.getArgumentList();
List<PsiClass> targetClasses = getTargetClasses(constructorCall);
if (targetClasses.isEmpty()) return false;
PsiClass targetClass = targetClasses.get(0);
return !CreateFromUsageUtils.shouldCreateConstructor(targetClass, argumentList, method);
}
@Override
protected boolean isAvailableImpl(int offset) {
PsiElement element = getElement(myConstructorCall);
PsiFile targetFile = getTargetFile(myConstructorCall);
if (targetFile != null && !targetFile.getManager().isInProject(targetFile)) {
return false;
}
if (CreateFromUsageUtils.shouldShowTag(offset, element, myConstructorCall)) {
setText(QuickFixBundle.message("create.constructor.from.new.text"));
return true;
}
return false;
}
private static PsiJavaCodeReferenceElement getReferenceElement(PsiConstructorCall constructorCall) {
if (constructorCall instanceof PsiNewExpression) {
return ((PsiNewExpression)constructorCall).getClassOrAnonymousClassReference();
}
return null;
}
private static PsiElement getElement(PsiElement targetElement) {
if (targetElement instanceof PsiNewExpression) {
PsiJavaCodeReferenceElement referenceElement = getReferenceElement((PsiNewExpression)targetElement);
if (referenceElement == null) return null;
return referenceElement.getReferenceNameElement();
}
else if (targetElement instanceof PsiEnumConstant) {
return targetElement;
}
return null;
}
@Override
@NotNull
public String getFamilyName() {
return QuickFixBundle.message("create.constructor.from.new.family");
}
}
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