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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.daemon.impl.analysis.JavaHighlightUtil;
import com.intellij.codeInsight.intention.IntentionAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
public class DeleteCatchFix implements IntentionAction {
private final PsiParameter myCatchParameter;
public DeleteCatchFix(@NotNull PsiParameter myCatchParameter) {
this.myCatchParameter = myCatchParameter;
}
@Override
@NotNull
public String getText() {
return QuickFixBundle.message("delete.catch.text", JavaHighlightUtil.formatType(myCatchParameter.getType()));
}
@Override
@NotNull
public String getFamilyName() {
return QuickFixBundle.message("delete.catch.family");
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return myCatchParameter.isValid() && PsiManager.getInstance(project).isInProject(myCatchParameter.getContainingFile());
}
@Override
public void invoke(@NotNull Project project, Editor editor, PsiFile file) {
if (!FileModificationService.getInstance().prepareFileForWrite(myCatchParameter.getContainingFile())) return;
final PsiTryStatement tryStatement = ((PsiCatchSection)myCatchParameter.getDeclarationScope()).getTryStatement();
if (tryStatement.getCatchBlocks().length == 1 && tryStatement.getFinallyBlock() == null && tryStatement.getResourceList() == null) {
// unwrap entire try statement
final PsiCodeBlock tryBlock = tryStatement.getTryBlock();
PsiElement lastAddedStatement = null;
if (tryBlock != null) {
final PsiElement firstElement = tryBlock.getFirstBodyElement();
if (firstElement != null) {
final PsiElement tryParent = tryStatement.getParent();
if (tryParent instanceof PsiCodeBlock) {
final PsiElement lastBodyElement = tryBlock.getLastBodyElement();
assert lastBodyElement != null : tryBlock.getText();
tryParent.addRangeBefore(firstElement, lastBodyElement, tryStatement);
lastAddedStatement = tryStatement.getPrevSibling();
while (lastAddedStatement != null && (lastAddedStatement instanceof PsiWhiteSpace || lastAddedStatement.getTextLength() == 0)) {
lastAddedStatement = lastAddedStatement.getPrevSibling();
}
}
else {
tryParent.addBefore(tryBlock, tryStatement);
lastAddedStatement = tryBlock;
}
}
}
tryStatement.delete();
if (lastAddedStatement != null) {
editor.getCaretModel().moveToOffset(lastAddedStatement.getTextRange().getEndOffset());
}
return;
}
// delete catch section
final PsiElement catchSection = myCatchParameter.getParent();
assert catchSection instanceof PsiCatchSection : catchSection;
//save previous element to move caret to
PsiElement previousElement = catchSection.getPrevSibling();
while (previousElement instanceof PsiWhiteSpace) {
previousElement = previousElement.getPrevSibling();
}
catchSection.delete();
if (previousElement != null) {
//move caret to previous catch section
editor.getCaretModel().moveToOffset(previousElement.getTextRange().getEndOffset());
}
}
@Override
public boolean startInWriteAction() {
return true;
}
}
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