| /* |
| * 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 com.intellij.codeInsight.completion; |
| |
| import com.intellij.codeInsight.lookup.LookupElementBuilder; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.impl.source.xml.XmlContentDFA; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.xml.XmlElementDescriptor; |
| import com.intellij.xml.impl.schema.XmlElementDescriptorImpl; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class XmlSmartCompletionProvider { |
| |
| public void complete(CompletionParameters parameters, final CompletionResultSet result, PsiElement element) { |
| if (!XmlCompletionContributor.isXmlNameCompletion(parameters)) { |
| return; |
| } |
| result.stopHere(); |
| if (!(element.getParent() instanceof XmlTag)) { |
| return; |
| } |
| |
| final XmlTag tag = (XmlTag)element.getParent(); |
| final XmlTag parentTag = tag.getParentTag(); |
| if (parentTag == null) return; |
| final XmlContentDFA dfa = XmlContentDFA.getContentDFA(parentTag); |
| if (dfa == null) return; |
| ApplicationManager.getApplication().runReadAction(new Runnable() { |
| @Override |
| public void run() { |
| for (XmlTag subTag : parentTag.getSubTags()) { |
| if (subTag == tag) { |
| break; |
| } |
| dfa.transition(subTag); |
| } |
| List<XmlElementDescriptor> elements = dfa.getPossibleElements(); |
| for (XmlElementDescriptor elementDescriptor: elements) { |
| addElementToResult(elementDescriptor, result); |
| } |
| } |
| }); |
| } |
| |
| private static void addElementToResult(@NotNull XmlElementDescriptor descriptor, CompletionResultSet result) { |
| XmlTagInsertHandler insertHandler = XmlTagInsertHandler.INSTANCE; |
| if (descriptor instanceof XmlElementDescriptorImpl) { |
| String name = descriptor.getName(); |
| if (name != null) { |
| insertHandler = new ExtendedTagInsertHandler(name, ((XmlElementDescriptorImpl)descriptor).getNamespace(), null); |
| } |
| } |
| result.addElement(createLookupElement(descriptor).withInsertHandler(insertHandler)); |
| } |
| |
| public static LookupElementBuilder createLookupElement(@NotNull XmlElementDescriptor descriptor) { |
| LookupElementBuilder builder = LookupElementBuilder.create(descriptor.getName()); |
| if (descriptor instanceof XmlElementDescriptorImpl) { |
| builder = builder.withTypeText(((XmlElementDescriptorImpl)descriptor).getNamespace(), true); |
| } |
| return builder; |
| } |
| |
| } |