| /* |
| * Copyright 2000-2013 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.psi.impl.source.tree.java; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.JavaTokenType; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiField; |
| import com.intellij.psi.impl.PsiImplUtil; |
| import com.intellij.psi.impl.source.Constants; |
| import com.intellij.psi.impl.source.tree.*; |
| import com.intellij.psi.tree.ChildRoleBase; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.CharTable; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class FieldElement extends CompositeElement{ |
| public FieldElement() { |
| super(JavaElementType.FIELD); |
| } |
| |
| protected FieldElement(@NotNull IElementType type) { |
| super(type); |
| } |
| |
| @Override |
| public int getTextOffset() { |
| return findChildByRole(ChildRole.NAME).getStartOffset(); |
| } |
| |
| @Override |
| public void deleteChildInternal(@NotNull ASTNode child) { |
| if (getChildRole(child) == ChildRole.INITIALIZER){ |
| ASTNode eq = findChildByRole(ChildRole.INITIALIZER_EQ); |
| if (eq != null){ |
| deleteChildInternal(eq); |
| } |
| } |
| super.deleteChildInternal(child); |
| } |
| |
| @Override |
| public ASTNode findChildByRole(int role){ |
| assert (ChildRole.isUnique(role)); |
| switch(role){ |
| default: |
| return null; |
| |
| case ChildRole.DOC_COMMENT: |
| return PsiImplUtil.findDocComment(this); |
| |
| case ChildRole.MODIFIER_LIST: |
| return findChildByType(JavaElementType.MODIFIER_LIST); |
| |
| case ChildRole.TYPE: |
| return findChildByType(JavaElementType.TYPE); |
| |
| case ChildRole.NAME: |
| return findChildByType(JavaTokenType.IDENTIFIER); |
| |
| case ChildRole.INITIALIZER_EQ: |
| return findChildByType(JavaTokenType.EQ); |
| |
| case ChildRole.INITIALIZER: |
| return findChildByType(ElementType.EXPRESSION_BIT_SET); |
| |
| case ChildRole.CLOSING_SEMICOLON: |
| return TreeUtil.findChildBackward(this, JavaTokenType.SEMICOLON); |
| } |
| } |
| |
| @Override |
| public int getChildRole(ASTNode child) { |
| assert (child.getTreeParent() == this); |
| IElementType i = child.getElementType(); |
| if (i == JavaDocElementType.DOC_COMMENT) { |
| return getChildRole(child, ChildRole.DOC_COMMENT); |
| } |
| else if (i == JavaTokenType.C_STYLE_COMMENT || i == JavaTokenType.END_OF_LINE_COMMENT) { |
| return ChildRoleBase.NONE; |
| } |
| else if (i == JavaElementType.MODIFIER_LIST) { |
| return ChildRole.MODIFIER_LIST; |
| } |
| else if (i == JavaElementType.TYPE) { |
| return getChildRole(child, ChildRole.TYPE); |
| } |
| else if (i == JavaTokenType.IDENTIFIER) { |
| return getChildRole(child, ChildRole.NAME); |
| } |
| else if (i == JavaTokenType.EQ) { |
| return getChildRole(child, ChildRole.INITIALIZER_EQ); |
| } |
| else if (i == JavaTokenType.SEMICOLON) { |
| return getChildRole(child, ChildRole.CLOSING_SEMICOLON); |
| } |
| else { |
| if (ElementType.EXPRESSION_BIT_SET.contains(child.getElementType())) { |
| return ChildRole.INITIALIZER; |
| } |
| return ChildRoleBase.NONE; |
| } |
| } |
| |
| @Override |
| public ASTNode copyElement() { |
| final CharTable table = SharedImplUtil.findCharTableByTree(this); |
| final PsiClass psiClass = ((PsiField)getPsi()).getContainingClass(); |
| return psiClass != null ? ChangeUtil.copyElement(this, psiClass.getTypeParameterList(), table) : super.copyElement(); |
| } |
| |
| @Override |
| protected boolean isVisibilitySupported() { |
| return true; |
| } |
| |
| } |