| /* |
| * 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 org.jetbrains.idea.maven.dom.model.completion; |
| |
| import com.intellij.codeInsight.completion.CompletionContributor; |
| import com.intellij.codeInsight.completion.CompletionParameters; |
| import com.intellij.codeInsight.completion.CompletionResultSet; |
| import com.intellij.codeInsight.completion.CompletionType; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.impl.source.xml.TagNameReference; |
| import com.intellij.psi.xml.XmlText; |
| import com.intellij.util.SmartList; |
| import com.intellij.util.xml.Converter; |
| import com.intellij.util.xml.ResolvingConverter; |
| import com.intellij.util.xml.impl.GenericDomValueReference; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.idea.maven.dom.MavenDomUtil; |
| import org.jetbrains.idea.maven.dom.converters.MavenSmartConverter; |
| import org.jetbrains.idea.maven.dom.references.MavenPropertyCompletionContributor; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| public class MavenSmartCompletionContributor extends CompletionContributor { |
| @Override |
| public void fillCompletionVariants(@NotNull final CompletionParameters parameters, @NotNull CompletionResultSet result) { |
| if (parameters.getCompletionType() != CompletionType.SMART) return; |
| |
| Collection<?> variants = getVariants(parameters); |
| |
| MavenPropertyCompletionContributor.addVariants(variants, result); |
| } |
| |
| @NotNull |
| private static Collection<?> getVariants(CompletionParameters parameters) { |
| if (!MavenDomUtil.isMavenFile(parameters.getOriginalFile())) return Collections.emptyList(); |
| |
| SmartList<?> result = new SmartList<Object>(); |
| |
| for (PsiReference each : getReferences(parameters)) { |
| if (each instanceof TagNameReference) continue; |
| |
| if (each instanceof GenericDomValueReference) { |
| GenericDomValueReference reference = (GenericDomValueReference)each; |
| |
| Converter converter = reference.getConverter(); |
| |
| if (converter instanceof MavenSmartConverter) { |
| Collection variants = ((MavenSmartConverter)converter).getSmartVariants(reference.getConvertContext()); |
| if (converter instanceof ResolvingConverter) { |
| addVariants((ResolvingConverter)converter, variants, result); |
| } |
| else { |
| result.addAll(variants); |
| } |
| } |
| else if (converter instanceof ResolvingConverter) { |
| //noinspection unchecked |
| ResolvingConverter resolvingConverter = (ResolvingConverter)converter; |
| Collection variants = resolvingConverter.getVariants(reference.getConvertContext()); |
| addVariants(resolvingConverter, variants, result); |
| } |
| } |
| else { |
| //noinspection unchecked |
| Collections.addAll((Collection)result, each.getVariants()); |
| } |
| } |
| return result; |
| } |
| |
| private static <T> void addVariants(ResolvingConverter<T> converter, Collection<T> variants, Collection result) { |
| for (T variant : variants) { |
| LookupElement lookupElement = converter.createLookupElement(variant); |
| if (lookupElement != null) { |
| result.add(lookupElement); |
| } |
| else { |
| result.add(variant); |
| } |
| } |
| } |
| |
| @NotNull |
| private static PsiReference[] getReferences(CompletionParameters parameters) { |
| PsiElement psiElement = parameters.getPosition().getParent(); |
| return psiElement instanceof XmlText ? psiElement.getParent().getReferences() : psiElement.getReferences(); |
| } |
| } |