/*
* Copyright 2013 The authors
* 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.struts2.dom.struts.impl;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.Condition;
import com.intellij.psi.PsiElement;
import com.intellij.struts2.dom.ConverterUtil;
import com.intellij.struts2.dom.struts.model.StrutsModel;
import com.intellij.struts2.dom.struts.strutspackage.StrutsPackage;
import com.intellij.struts2.dom.struts.strutspackage.StrutsPackageExtendsResolveConverter;
import com.intellij.util.ArrayUtil;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.xml.ConvertContext;
import com.intellij.util.xml.DomUtil;
import com.intellij.util.xml.ElementPresentationManager;
import com.intellij.util.xml.GenericDomValue;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.List;
/**
* @author Yann Cébron
*/
public class StrutsPackageExtendsResolveConverterImpl extends StrutsPackageExtendsResolveConverter {
@Nullable
@Override
protected StrutsPackage convertString(@Nullable final String name, ConvertContext context) {
if (name == null) {
return null;
}
final StrutsModel strutsModel = ConverterUtil.getStrutsModel(context);
if (strutsModel == null) {
return null;
}
return ContainerUtil.find(strutsModel.getStrutsPackages(), new Condition<StrutsPackage>() {
public boolean value(final StrutsPackage strutsPackage) {
return Comparing.equal(name, strutsPackage.getName().getStringValue());
}
});
}
@Override
protected Object[] getReferenceVariants(ConvertContext context, GenericDomValue<List<StrutsPackage>> genericDomValue) {
final StrutsModel strutsModel = ConverterUtil.getStrutsModel(context);
if (strutsModel == null) {
return ArrayUtil.EMPTY_OBJECT_ARRAY;
}
final Collection<StrutsPackage> variants = removeCurrentElementFromVariants(context, strutsModel.getStrutsPackages());
return ElementPresentationManager.getInstance().createVariants(variants);
}
@Nullable
@Override
protected PsiElement resolveReference(@Nullable StrutsPackage strutsPackage, ConvertContext context) {
return strutsPackage != null ? strutsPackage.getXmlTag() : null;
}
private static Collection<StrutsPackage> removeCurrentElementFromVariants(final ConvertContext context,
final Collection<StrutsPackage> allVariants) {
final StrutsPackage currentElement = (StrutsPackage)DomUtil.getDomElement(context.getTag());
assert currentElement != null : "currentElement was null for " + context.getTag();
final GenericDomValue currentNameElement = currentElement.getGenericInfo().getNameDomElement(currentElement);
if (currentNameElement == null) {
return allVariants; // skip due to XML errors
}
final String currentName = currentNameElement.getStringValue();
if (currentName == null) {
return allVariants; // skip due to XML errors
}
final StrutsPackage currentElementInVariants = DomUtil.findByName(allVariants, currentName);
if (currentElementInVariants != null) {
allVariants.remove(currentElementInVariants);
}
return allVariants;
}
}