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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.psi.impl.light;
import com.intellij.codeInsight.completion.originInfo.OriginInfoAwareElement;
import com.intellij.lang.Language;
import com.intellij.lang.java.JavaLanguage;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.impl.ElementPresentationUtil;
import com.intellij.psi.impl.PsiImplUtil;
import com.intellij.ui.RowIcon;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.PlatformIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
/**
* @author ven
*/
public abstract class LightVariableBase extends LightElement implements PsiVariable, OriginInfoAwareElement {
protected PsiElement myScope;
protected PsiIdentifier myNameIdentifier;
protected PsiType myType;
protected final PsiModifierList myModifierList;
protected boolean myWritable;
private String myOriginInfo = null;
public LightVariableBase(PsiManager manager, PsiIdentifier nameIdentifier, PsiType type, boolean writable, PsiElement scope) {
this(manager, nameIdentifier, JavaLanguage.INSTANCE, type, writable, scope);
}
public LightVariableBase(PsiManager manager, PsiIdentifier nameIdentifier, Language language, PsiType type, boolean writable, PsiElement scope) {
super(manager, language);
myNameIdentifier = nameIdentifier;
myWritable = writable;
myType = type;
myScope = scope;
myModifierList = createModifierList();
}
protected PsiModifierList createModifierList() {
return new LightModifierList(getManager());
}
@NotNull
public PsiElement getDeclarationScope() {
return myScope;
}
@Override
public PsiIdentifier getNameIdentifier() {
return myNameIdentifier;
}
@Override
public boolean isValid() {
return myNameIdentifier == null || myNameIdentifier.isValid();
}
@Override
@NotNull
public String getName() {
return StringUtil.notNullize(getNameIdentifier().getText());
}
@Override
public PsiElement setName(@NotNull String name) throws IncorrectOperationException{
PsiImplUtil.setName(getNameIdentifier(), name);
return this;
}
@Override
@NotNull
public PsiType getType() {
if (myType == null) {
myType = computeType();
}
return myType;
}
@NotNull
protected PsiType computeType() {
return PsiType.VOID;
}
@Override
@NotNull
public PsiTypeElement getTypeElement() {
return JavaPsiFacade.getInstance(getProject()).getElementFactory().createTypeElement(myType);
}
@Override
public PsiModifierList getModifierList() {
return myModifierList;
}
@Override
public boolean hasModifierProperty(@NotNull String name) {
return getModifierList().hasModifierProperty(name);
}
@Override
public PsiExpression getInitializer() {
return null;
}
@Override
public boolean hasInitializer() {
return false;
}
@Override
public String getText() {
return myNameIdentifier.getText();
}
@Override
public Object computeConstantValue() {
return null;
}
@Override
public void normalizeDeclaration() throws IncorrectOperationException {
}
@Override
public boolean isWritable() {
return myWritable;
}
@Override
protected boolean isVisibilitySupported() {
return true;
}
@Override
public Icon getElementIcon(final int flags) {
final RowIcon baseIcon = ElementPresentationUtil.createLayeredIcon(PlatformIcons.VARIABLE_ICON, this, false);
return ElementPresentationUtil.addVisibilityIcon(this, flags, baseIcon);
}
@Override
public PsiType getTypeNoResolve() {
return getType();
}
@Nullable
@Override
public String getOriginInfo() {
return myOriginInfo;
}
public void setOriginInfo(String originInfo) {
myOriginInfo = originInfo;
}
}
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