generic structure view for dom

xml/dom-impl/src/META-INF/DomPlugin.xml

@@ -74,5 +74,6 @@
     <iconProvider implementation="com.intellij.util.xml.DomFileIconProvider" id="domFileDefault" order="last"/>
 
     <patterns.patternClass className="com.intellij.patterns.DomPatterns" alias="dom"/>
+    <xmlStructureViewBuilderProvider implementation="com.intellij.util.xml.structure.DomStructureViewBuilderProvider" order="last"/>
   </extensions>
 </idea-plugin>

xml/dom-impl/src/com/intellij/util/xml/structure/DomStructureTreeElement.java

@@ -64,6 +64,7 @@ public class DomStructureTreeElement implements StructureViewTreeElement, ItemPr
     final ArrayList<TreeElement> result = new ArrayList<TreeElement>();
     final DomElementVisitor elementVisitor = new DomElementVisitor() {
       public void visitDomElement(final DomElement element) {
+        if (element instanceof GenericDomValue) return;
         final DomService.StructureViewMode viewMode = myDescriptor.fun(element);
         switch (viewMode) {
           case SHOW:

xml/dom-impl/src/com/intellij/util/xml/structure/DomStructureViewBuilderProvider.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2000-2012 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.util.xml.structure;
+
+import com.intellij.ide.structureView.StructureViewBuilder;
+import com.intellij.ide.structureView.xml.XmlStructureViewBuilderProvider;
+import com.intellij.psi.xml.XmlFile;
+import com.intellij.util.Function;
+import com.intellij.util.xml.DomElement;
+import com.intellij.util.xml.DomManager;
+import com.intellij.util.xml.DomService;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author Dmitry Avdeev
+ *         Date: 6/7/12
+ */
+public class DomStructureViewBuilderProvider implements XmlStructureViewBuilderProvider {
+
+  @Override
+  public StructureViewBuilder createStructureViewBuilder(@NotNull XmlFile file) {
+    if (DomManager.getDomManager(file.getProject()).getDomFileDescription(file) != null) {
+      return new DomStructureViewBuilder(file, DESCRIPTOR);
+    }
+    return null;
+  }
+
+  private static final Function<DomElement,DomService.StructureViewMode> DESCRIPTOR =
+    new Function<DomElement, DomService.StructureViewMode>() {
+      @Override
+      public DomService.StructureViewMode fun(DomElement element) {
+        return DomService.StructureViewMode.SHOW;
+      }
+    };
+}

xml/impl/src/com/intellij/lang/xml/XmlStructureViewBuilderFactory.java

@@ -36,29 +36,27 @@ import org.jetbrains.annotations.Nullable;
 public class XmlStructureViewBuilderFactory implements PsiStructureViewFactory {
   @Nullable
   public StructureViewBuilder getStructureViewBuilder(final PsiFile psiFile) {
-    if (psiFile instanceof XmlFile) {
-      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() {
-        @NotNull
-        public StructureViewModel createStructureViewModel() {
-          return new XmlStructureViewTreeModel((XmlFile)psiFile);
-        }
-      };
-    }
-    else {
+    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() {
+      @NotNull
+      public StructureViewModel createStructureViewModel() {
+        return new XmlStructureViewTreeModel((XmlFile)psiFile);
+      }
+    };
   }
 
   private static XmlStructureViewBuilderProvider[] getStructureViewBuilderProviders() {