| /* |
| * Copyright 2000-2014 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. |
| */ |
| |
| /* |
| * @author max |
| */ |
| package com.intellij.lang.xml; |
| |
| import com.intellij.ide.structureView.StructureViewBuilder; |
| import com.intellij.ide.structureView.StructureViewModel; |
| import com.intellij.ide.structureView.TreeBasedStructureViewBuilder; |
| import com.intellij.ide.structureView.impl.xml.XmlStructureViewTreeModel; |
| import com.intellij.ide.structureView.xml.XmlStructureViewBuilderProvider; |
| import com.intellij.lang.Language; |
| import com.intellij.lang.LanguageStructureViewBuilder; |
| import com.intellij.lang.PsiStructureViewFactory; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.xml.XmlFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class XmlStructureViewBuilderFactory implements PsiStructureViewFactory { |
| @Override |
| @Nullable |
| public StructureViewBuilder getStructureViewBuilder(final PsiFile psiFile) { |
| if (!(psiFile instanceof XmlFile)) { |
| return null; |
| } |
| StructureViewBuilder builder = getStructureViewBuilderForExtensions(psiFile); |
| if (builder != null) { |
| return builder; |
| } |
| |
| for (XmlStructureViewBuilderProvider xmlStructureViewBuilderProvider : getStructureViewBuilderProviders()) { |
| final StructureViewBuilder structureViewBuilder = xmlStructureViewBuilderProvider.createStructureViewBuilder((XmlFile)psiFile); |
| if (structureViewBuilder != null) { |
| return structureViewBuilder; |
| } |
| } |
| |
| return new TreeBasedStructureViewBuilder() { |
| @Override |
| @NotNull |
| public StructureViewModel createStructureViewModel(@Nullable Editor editor) { |
| return new XmlStructureViewTreeModel((XmlFile)psiFile, editor); |
| } |
| }; |
| } |
| |
| private static XmlStructureViewBuilderProvider[] getStructureViewBuilderProviders() { |
| return (XmlStructureViewBuilderProvider[])Extensions.getExtensions(XmlStructureViewBuilderProvider.EXTENSION_POINT_NAME); |
| } |
| |
| @Nullable |
| private static StructureViewBuilder getStructureViewBuilderForExtensions(final PsiFile psiFile) { |
| for (Language language : XMLLanguage.INSTANCE.getLanguageExtensionsForFile(psiFile)) { |
| PsiStructureViewFactory factory = LanguageStructureViewBuilder.INSTANCE.forLanguage(language); |
| if (factory == null) continue; |
| final StructureViewBuilder builder = factory.getStructureViewBuilder(psiFile); |
| if (builder != null) { |
| return builder; |
| } |
| } |
| return null; |
| } |
| } |