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Change signature action moved to lang-impl

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Kirill.Safonov
2010-09-20 13:48:15 +04:00
parent 2d330662d5
commit 087b96a6df
3 changed files with 2 additions and 2 deletions
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java/java-impl/src/com/intellij/refactoring/actions/ChangeSignatureAction.java
-115
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@@ -1,115 +0,0 @@
/*
* 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.refactoring.actions;
import com.intellij.lang.Language;
import com.intellij.lang.LanguageRefactoringSupport;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.LangDataKeys;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.ScrollType;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import com.intellij.refactoring.RefactoringActionHandler;
import com.intellij.refactoring.changeSignature.ChangeSignatureHandler;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class ChangeSignatureAction extends BaseRefactoringAction {
public boolean isAvailableInEditorOnly() {
return false;
}
public boolean isEnabledOnElements(PsiElement[] elements) {
return elements.length == 1 && findTargetMember(elements[0]) != null;
}
protected boolean isAvailableOnElementInEditorAndFile(final PsiElement element, final Editor editor, PsiFile file, DataContext context) {
PsiElement targetMember = findTargetMember(file, editor);
if (targetMember == null) return false;
final ChangeSignatureHandler targetHandler = getChangeSignatureHandler(targetMember.getLanguage());
if (targetHandler == null) return false;
return true;
}
@Nullable
private static PsiElement findTargetMember(PsiFile file, Editor editor) {
final PsiElement element = file.findElementAt(editor.getCaretModel().getOffset());
final PsiElement targetMember = findTargetMember(element);
if (targetMember != null) return targetMember;
final PsiReference reference = file.findReferenceAt(editor.getCaretModel().getOffset());
if (reference == null) return null;
return reference.resolve();
}
@Nullable
private static PsiElement findTargetMember(@Nullable PsiElement element) {
if (element == null) return null;
final ChangeSignatureHandler fileHandler = getChangeSignatureHandler(element.getLanguage());
if (fileHandler != null) {
final PsiElement targetMember = fileHandler.findTargetMember(element);
if (targetMember != null) return targetMember;
}
final PsiReference reference = element.getReference();
if (reference == null) return null;
return reference.resolve();
}
public RefactoringActionHandler getHandler(DataContext dataContext) {
Language language = LangDataKeys.LANGUAGE.getData(dataContext);
if (language == null) {
PsiElement psiElement = LangDataKeys.PSI_ELEMENT.getData(dataContext);
if (psiElement != null) {
language = psiElement.getLanguage();
}
}
if (language != null) {
return new RefactoringActionHandler() {
public void invoke(@NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) {
editor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);
final PsiElement targetMember = findTargetMember(file, editor);
if (targetMember == null) return;
final ChangeSignatureHandler handler = getChangeSignatureHandler(targetMember.getLanguage());
if (handler == null) return;
handler.invoke(project, new PsiElement[]{targetMember}, dataContext);
}
public void invoke(@NotNull Project project, @NotNull PsiElement[] elements, DataContext dataContext) {
if (elements.length != 1) return;
final PsiElement targetMember = findTargetMember(elements[0]);
if (targetMember == null) return;
final ChangeSignatureHandler handler = getChangeSignatureHandler(targetMember.getLanguage());
if (handler == null) return;
handler.invoke(project, new PsiElement[]{targetMember}, dataContext);
}
};
}
return null;
}
@Override
protected boolean isAvailableForLanguage(Language language) {
return getChangeSignatureHandler(language) != null;
}
@Nullable
private static ChangeSignatureHandler getChangeSignatureHandler(Language language) {
return LanguageRefactoringSupport.INSTANCE.forLanguage(language).getChangeSignatureHandler();
}
}