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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.source.resolve.reference.impl.providers;
import com.intellij.psi.*;
import com.intellij.psi.jsp.JspSpiUtil;
import com.intellij.psi.util.PropertyUtil;
import com.intellij.psi.xml.XmlAttribute;
import com.intellij.psi.xml.XmlAttributeValue;
import com.intellij.psi.xml.XmlTag;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author peter
*/
public class MethodPropertyReference extends BasicAttributeValueReference {
private final boolean myReadable;
public MethodPropertyReference(final PsiElement element, boolean readable) {
super(element);
myReadable = readable;
}
protected PsiClass resolveClass() {
final PsiElement classReferencesElement = getClassReferencesElement();
if (classReferencesElement != null) {
final PsiReference[] references = classReferencesElement.getReferences();
if (references.length > 0) {
final PsiElement psiElement = references[references.length - 1].resolve();
if (psiElement instanceof XmlAttributeValue) {
final XmlTag beanTag = (XmlTag)psiElement.getParent().getParent();
XmlAttribute attribute = beanTag.getAttribute("class", null);
if (attribute == null) attribute = beanTag.getAttribute("type", null);
if (attribute != null) {
final PsiReference[] classReferences = attribute.getValueElement().getReferences();
if (classReferences.length > 0) {
final PsiElement classElement = classReferences[classReferences.length - 1].resolve();
if (classElement instanceof PsiClass) return (PsiClass)classElement;
}
}
} else if (psiElement instanceof PsiClass) {
return (PsiClass)psiElement;
} else if (psiElement instanceof PsiVariable) {
final PsiType type=((PsiVariable)psiElement).getType();
if (type instanceof PsiClassType) {
return ((PsiClassType)type).resolve();
}
}
}
}
return null;
}
protected PsiElement getClassReferencesElement() {
final XmlTag tag = (XmlTag)myElement.getParent().getParent();
final XmlAttribute name = tag.getAttribute("name",null);
if (name != null) { return name.getValueElement(); }
return null;
}
@Override
@Nullable
public PsiElement resolve() {
return JspSpiUtil.resolveMethodPropertyReference(this, resolveClass(), myReadable);
}
@Override
public PsiElement handleElementRename(String _newElementName) throws IncorrectOperationException {
String newElementName = PropertyUtil.getPropertyName(_newElementName);
if (newElementName == null) newElementName = _newElementName;
return super.handleElementRename(newElementName);
}
@Override
@NotNull
public Object[] getVariants() {
return JspSpiUtil.getMethodPropertyReferenceVariants(this, resolveClass(), myReadable);
}
@Override
public boolean isSoft() {
return true;
}
}
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