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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.refactoring.inline;
import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.PropertiesBundle;
import com.intellij.lang.properties.references.PropertyReference;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.search.searches.ReferencesSearch;
import com.intellij.refactoring.HelpID;
import com.intellij.refactoring.RefactoringBundle;
import com.intellij.refactoring.listeners.RefactoringEventData;
import com.intellij.refactoring.listeners.RefactoringEventListener;
import com.intellij.refactoring.util.CommonRefactoringUtil;
import com.intellij.refactoring.util.RefactoringMessageDialog;
import com.intellij.util.Processor;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.FilteringIterator;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
/**
* @author gregsh
*/
public class InlinePropertyHandler extends JavaInlineActionHandler {
public static final String REFACTORING_NAME = PropertiesBundle.message("inline.property.refactoring");
public static final String REFACTORING_ID = "refactoring.inline.property";
public boolean canInlineElement(PsiElement element) {
if (element instanceof PsiJavaToken && ((PsiJavaToken)element).getTokenType() == JavaTokenType.STRING_LITERAL) {
PsiReference[] references = element.getParent().getReferences();
return ContainerUtil.find(references, FilteringIterator.instanceOf(PropertyReference.class)) != null;
}
return element instanceof IProperty;
}
public void inlineElement(final Project project, Editor editor, PsiElement psiElement) {
if (!(psiElement instanceof IProperty)) return;
IProperty property = (IProperty)psiElement;
final String propertyValue = property.getValue();
if (propertyValue == null) return;
final List<PsiElement> occurrences = Collections.synchronizedList(ContainerUtil.<PsiElement>newArrayList());
final Collection<PsiFile> containingFiles = Collections.synchronizedSet(new HashSet<PsiFile>());
containingFiles.add(psiElement.getContainingFile());
boolean result = ReferencesSearch.search(psiElement).forEach(
new Processor<PsiReference>() {
public boolean process(final PsiReference psiReference) {
PsiElement element = psiReference.getElement();
PsiElement parent = element.getParent();
if (parent instanceof PsiExpressionList && parent.getParent() instanceof PsiMethodCallExpression) {
if (((PsiExpressionList)parent).getExpressions().length == 1) {
occurrences.add(parent.getParent());
containingFiles.add(element.getContainingFile());
return true;
}
}
return false;
}
}
);
if (!result) {
CommonRefactoringUtil.showErrorHint(project, editor, "Property has non-method usages", REFACTORING_NAME, null);
}
if (occurrences.isEmpty()) {
CommonRefactoringUtil.showErrorHint(project, editor, "Property has no usages", REFACTORING_NAME, null);
return;
}
if (!ApplicationManager.getApplication().isUnitTestMode()) {
String occurrencesString = RefactoringBundle.message("occurrences.string", occurrences.size());
String question = PropertiesBundle.message("inline.property.confirmation", property.getName(), propertyValue) + " " + occurrencesString;
RefactoringMessageDialog dialog = new RefactoringMessageDialog(REFACTORING_NAME, question, HelpID.INLINE_VARIABLE,
"OptionPane.questionIcon", true, project);
dialog.show();
if (!dialog.isOK()) {
return;
}
}
final RefactoringEventData data = new RefactoringEventData();
data.addElement(psiElement.copy());
new WriteCommandAction.Simple(project, REFACTORING_NAME, containingFiles.toArray(new PsiFile[containingFiles.size()])) {
@Override
protected void run() throws Throwable {
project.getMessageBus().syncPublisher(RefactoringEventListener.REFACTORING_EVENT_TOPIC).refactoringStarted(REFACTORING_ID, data);
PsiLiteral stringLiteral = (PsiLiteral)JavaPsiFacade.getInstance(getProject()).getElementFactory().
createExpressionFromText("\"" + StringUtil.escapeStringCharacters(propertyValue) + "\"", null);
for (PsiElement occurrence : occurrences) {
occurrence.replace(stringLiteral.copy());
}
project.getMessageBus().syncPublisher(RefactoringEventListener.REFACTORING_EVENT_TOPIC).refactoringDone(REFACTORING_ID, null);
}
}.execute();
}
}
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