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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.ExpectedTypeInfo;
import com.intellij.codeInsight.daemon.QuickFixBundle;
import com.intellij.codeInsight.template.Template;
import com.intellij.codeInsight.template.TemplateEditingAdapter;
import com.intellij.openapi.application.ApplicationManager;
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.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtil;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
/**
* @author Mike
*/
public class CreateFieldFromUsageFix extends CreateVarFromUsageFix {
public CreateFieldFromUsageFix(@NotNull PsiReferenceExpression referenceElement) {
super(referenceElement);
}
@Override
protected String getText(String varName) {
return QuickFixBundle.message("create.field.from.usage.text", varName);
}
protected boolean createConstantField() {
return false;
}
@NotNull
@Override
protected List<PsiClass> getTargetClasses(PsiElement element) {
final List<PsiClass> targetClasses = new ArrayList<PsiClass>();
for (PsiClass psiClass : super.getTargetClasses(element)) {
if (psiClass.getManager().isInProject(psiClass) &&
(!psiClass.isInterface() && !psiClass.isAnnotationType() || shouldCreateStaticMember(myReferenceExpression, psiClass))) {
targetClasses.add(psiClass);
}
}
return targetClasses;
}
@Override
protected boolean canBeTargetClass(PsiClass psiClass) {
return psiClass.getManager().isInProject(psiClass) && !psiClass.isInterface() && !psiClass.isAnnotationType();
}
@Override
protected void invokeImpl(final PsiClass targetClass) {
final Project project = myReferenceExpression.getProject();
JVMElementFactory factory = JVMElementFactories.getFactory(targetClass.getLanguage(), project);
if (factory == null) factory = JavaPsiFacade.getElementFactory(project);
PsiMember enclosingContext = null;
PsiClass parentClass;
do {
enclosingContext = PsiTreeUtil.getParentOfType(enclosingContext == null ? myReferenceExpression : enclosingContext, PsiMethod.class,
PsiField.class, PsiClassInitializer.class);
parentClass = enclosingContext == null ? null : enclosingContext.getContainingClass();
}
while (parentClass instanceof PsiAnonymousClass);
ExpectedTypeInfo[] expectedTypes = CreateFromUsageUtils.guessExpectedTypes(myReferenceExpression, false);
String fieldName = myReferenceExpression.getReferenceName();
assert fieldName != null;
PsiField field = factory.createField(fieldName, PsiType.INT);
if (createConstantField()) {
PsiUtil.setModifierProperty(field, PsiModifier.FINAL, true);
}
if (createConstantField()) {
PsiUtil.setModifierProperty(field, PsiModifier.STATIC, true);
PsiUtil.setModifierProperty(field, PsiModifier.FINAL, true);
} else {
if (!targetClass.isInterface() && shouldCreateStaticMember(myReferenceExpression, targetClass)) {
PsiUtil.setModifierProperty(field, PsiModifier.STATIC, true);
}
if (shouldCreateFinalMember(myReferenceExpression, targetClass)) {
PsiUtil.setModifierProperty(field, PsiModifier.FINAL, true);
}
}
field = CreateFieldFromUsageHelper.insertField(targetClass, field, myReferenceExpression);
setupVisibility(parentClass, targetClass, field.getModifierList());
createFieldFromUsageTemplate(targetClass, project, expectedTypes, field, createConstantField(), myReferenceExpression);
}
public static void createFieldFromUsageTemplate(final PsiClass targetClass,
final Project project,
final ExpectedTypeInfo[] expectedTypes,
final PsiField field,
final boolean createConstantField,
final PsiElement context) {
final PsiFile targetFile = targetClass.getContainingFile();
final Editor newEditor = positionCursor(project, targetFile, field);
if (newEditor == null) return;
Template template =
CreateFieldFromUsageHelper.setupTemplate(field, expectedTypes, targetClass, newEditor, context, createConstantField);
startTemplate(newEditor, template, project, new TemplateEditingAdapter() {
@Override
public void templateFinished(Template template, boolean brokenOff) {
PsiDocumentManager.getInstance(project).commitDocument(newEditor.getDocument());
final int offset = newEditor.getCaretModel().getOffset();
final PsiField psiField = PsiTreeUtil.findElementOfClassAtOffset(targetFile, offset, PsiField.class, false);
if (psiField != null) {
ApplicationManager.getApplication().runWriteAction(new Runnable() {
@Override
public void run() {
CodeStyleManager.getInstance(project).reformat(psiField);
}
});
newEditor.getCaretModel().moveToOffset(psiField.getTextRange().getEndOffset() - 1);
}
}
});
}
private static boolean shouldCreateFinalMember(@NotNull PsiReferenceExpression ref, @NotNull PsiClass targetClass) {
if (!PsiTreeUtil.isAncestor(targetClass, ref, true)) {
return false;
}
final PsiElement element = PsiTreeUtil.getParentOfType(ref, PsiClassInitializer.class, PsiMethod.class);
if (element instanceof PsiClassInitializer) {
return true;
}
if (element instanceof PsiMethod && ((PsiMethod)element).isConstructor()) {
return true;
}
return false;
}
@Override
@NotNull
public String getFamilyName() {
return QuickFixBundle.message("create.field.from.usage.family");
}
}
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