| /* |
| * Copyright 2000-2010 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.xml.refactoring; |
| |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiNamedElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.impl.source.xml.PossiblePrefixReference; |
| import com.intellij.psi.impl.source.xml.SchemaPrefix; |
| import com.intellij.refactoring.rename.inplace.VariableInplaceRenameHandler; |
| import com.intellij.refactoring.rename.inplace.VariableInplaceRenamer; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class SchemaPrefixRenameHandler extends VariableInplaceRenameHandler { |
| |
| @Nullable |
| private static PossiblePrefixReference getReference(PsiFile file, Editor editor) { |
| if (file != null && editor != null) { |
| int offset = editor.getCaretModel().getOffset(); |
| PsiReference reference = file.findReferenceAt(offset); |
| if (reference instanceof PossiblePrefixReference) { |
| return (PossiblePrefixReference)reference; |
| } |
| } |
| return null; |
| |
| } |
| |
| @Override |
| protected boolean isAvailable(PsiElement element, Editor editor, PsiFile file) { |
| PossiblePrefixReference ref = getReference(file, editor); |
| return ref != null && ref.resolve() instanceof SchemaPrefix; |
| } |
| |
| @Override |
| protected VariableInplaceRenamer createRenamer(@NotNull PsiElement elementToRename, Editor editor) { |
| PossiblePrefixReference reference = getReference(elementToRename.getContainingFile(), editor); |
| if (reference != null) { |
| PsiElement prefix = reference.resolve(); |
| if (prefix instanceof SchemaPrefix) { |
| return new VariableInplaceRenamer((PsiNamedElement)prefix, editor) { |
| @Override |
| protected void addReferenceAtCaret(Collection<PsiReference> refs) {} |
| |
| @Override |
| protected boolean isReferenceAtCaret(PsiElement selectedElement, PsiReference ref) { |
| return false; |
| } |
| }; |
| } |
| } |
| return null; |
| } |
| } |